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cargo/tests/testsuite/build.rs

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use std::env;
use std::fs::{self, File};
use std::io::prelude::*;
use crate::support::paths::{root, CargoPathExt};
use crate::support::registry::Package;
use crate::support::ProjectBuilder;
use crate::support::{
basic_bin_manifest, basic_lib_manifest, basic_manifest, is_nightly, rustc_host, sleep_ms,
};
use crate::support::{main_file, project, Execs};
use cargo::util::paths::dylib_path_envvar;
#[test]
fn cargo_compile_simple() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
p.process(&p.bin("foo")).with_stdout("i am foo\n").run();
}
#[test]
fn cargo_fail_with_no_stderr() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &String::from("refusal"))
.build();
p.cargo("build --message-format=json")
.with_status(101)
.with_stderr_does_not_contain("--- stderr")
.run();
}
/// Check that the `CARGO_INCREMENTAL` environment variable results in
/// `rustc` getting `-Zincremental` passed to it.
#[test]
fn cargo_compile_incremental() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.build();
p.cargo("build -v")
.env("CARGO_INCREMENTAL", "1")
.with_stderr_contains(
"[RUNNING] `rustc [..] -C incremental=[..]/target/debug/incremental[..]`\n",
)
.run();
p.cargo("test -v")
.env("CARGO_INCREMENTAL", "1")
.with_stderr_contains(
"[RUNNING] `rustc [..] -C incremental=[..]/target/debug/incremental[..]`\n",
)
.run();
}
#[test]
fn incremental_profile() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
authors = []
[profile.dev]
incremental = false
[profile.release]
incremental = true
"#,
)
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build -v")
.env_remove("CARGO_INCREMENTAL")
.with_stderr_does_not_contain("[..]C incremental=[..]")
.run();
p.cargo("build -v")
.env("CARGO_INCREMENTAL", "1")
.with_stderr_contains("[..]C incremental=[..]")
.run();
p.cargo("build --release -v")
.env_remove("CARGO_INCREMENTAL")
.with_stderr_contains("[..]C incremental=[..]")
.run();
p.cargo("build --release -v")
.env("CARGO_INCREMENTAL", "0")
.with_stderr_does_not_contain("[..]C incremental=[..]")
.run();
}
#[test]
fn incremental_config() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file(
".cargo/config",
r#"
[build]
incremental = false
"#,
)
.build();
p.cargo("build -v")
.env_remove("CARGO_INCREMENTAL")
.with_stderr_does_not_contain("[..]C incremental=[..]")
.run();
p.cargo("build -v")
.env("CARGO_INCREMENTAL", "1")
.with_stderr_contains("[..]C incremental=[..]")
.run();
}
#[test]
fn cargo_compile_with_workspace_excluded() {
let p = project().file("src/main.rs", "fn main() {}").build();
p.cargo("build --all --exclude foo")
.with_stderr_does_not_contain("[..]virtual[..]")
.with_stderr_contains("[..]no packages to compile")
.with_status(101)
.run();
}
#[test]
fn cargo_compile_manifest_path() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.build();
p.cargo("build --manifest-path foo/Cargo.toml")
.cwd(p.root().parent().unwrap())
.run();
assert!(p.bin("foo").is_file());
}
#[test]
fn cargo_compile_with_invalid_manifest() {
let p = project().file("Cargo.toml", "").build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
virtual manifests must be configured with [workspace]
",
)
.run();
}
#[test]
fn cargo_compile_with_invalid_manifest2() {
let p = project()
.file(
"Cargo.toml",
r"
[project]
foo = bar
",
)
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
could not parse input as TOML
Caused by:
invalid number at line 3
",
)
.run();
}
#[test]
fn cargo_compile_with_invalid_manifest3() {
let p = project().file("src/Cargo.toml", "a = bar").build();
p.cargo("build --manifest-path src/Cargo.toml")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
could not parse input as TOML
Caused by:
invalid number at line 1
",
)
.run();
}
#[test]
fn cargo_compile_duplicate_build_targets() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[lib]
name = "main"
path = "src/main.rs"
crate-type = ["dylib"]
[dependencies]
"#,
)
.file("src/main.rs", "#![allow(warnings)] fn main() {}")
.build();
p.cargo("build")
.with_stderr(
"\
warning: file found to be present in multiple build targets: [..]main.rs
[COMPILING] foo v0.0.1 ([..])
[FINISHED] [..]
",
)
.run();
}
#[test]
fn cargo_compile_with_invalid_version() {
let p = project()
.file("Cargo.toml", &basic_manifest("foo", "1.0"))
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
Expected dot for key `package.version`
",
)
.run();
}
#[test]
fn cargo_compile_with_empty_package_name() {
let p = project()
.file("Cargo.toml", &basic_manifest("", "0.0.0"))
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
package name cannot be an empty string
",
)
.run();
}
#[test]
fn cargo_compile_with_invalid_package_name() {
let p = project()
.file("Cargo.toml", &basic_manifest("foo::bar", "0.0.0"))
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
Invalid character `:` in package name: `foo::bar`
",
)
.run();
}
#[test]
fn cargo_compile_with_invalid_bin_target_name() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[[bin]]
name = ""
"#,
)
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
binary target names cannot be empty
",
)
.run();
}
#[test]
fn cargo_compile_with_forbidden_bin_target_name() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[[bin]]
name = "build"
"#,
)
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
the binary target name `build` is forbidden
",
)
.run();
}
#[test]
fn cargo_compile_with_bin_and_crate_type() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[[bin]]
name = "the_foo_bin"
path = "src/foo.rs"
crate-type = ["cdylib", "rlib"]
"#,
)
.file("src/foo.rs", "fn main() {}")
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
the target `the_foo_bin` is a binary and can't have any crate-types set \
(currently \"cdylib, rlib\")",
)
.run();
}
#[test]
fn cargo_compile_with_bin_and_proc() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[[bin]]
name = "the_foo_bin"
path = "src/foo.rs"
proc-macro = true
"#,
)
.file("src/foo.rs", "fn main() {}")
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
the target `the_foo_bin` is a binary and can't have `proc-macro` set `true`",
)
.run();
}
#[test]
fn cargo_compile_with_invalid_lib_target_name() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[lib]
name = ""
"#,
)
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
library target names cannot be empty
",
)
.run();
}
#[test]
fn cargo_compile_with_invalid_non_numeric_dep_version() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
[dependencies]
crossbeam = "y"
"#,
)
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[CWD]/Cargo.toml`
Caused by:
failed to parse the version requirement `y` for dependency `crossbeam`
Caused by:
the given version requirement is invalid
",
)
.run();
}
#[test]
fn cargo_compile_without_manifest() {
let p = project().no_manifest().build();
p.cargo("build")
.with_status(101)
.with_stderr("[ERROR] could not find `Cargo.toml` in `[..]` or any parent directory")
.run();
}
#[test]
fn cargo_compile_with_invalid_code() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", "invalid rust code!")
.build();
p.cargo("build")
.with_status(101)
.with_stderr_contains(
"\
[ERROR] Could not compile `foo`.
To learn more, run the command again with --verbose.\n",
)
.run();
assert!(p.root().join("Cargo.lock").is_file());
}
#[test]
fn cargo_compile_with_invalid_code_in_deps() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.bar]
path = "../bar"
[dependencies.baz]
path = "../baz"
"#,
)
.file("src/main.rs", "invalid rust code!")
.build();
let _bar = project()
.at("bar")
.file("Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("src/lib.rs", "invalid rust code!")
.build();
let _baz = project()
.at("baz")
.file("Cargo.toml", &basic_manifest("baz", "0.1.0"))
.file("src/lib.rs", "invalid rust code!")
.build();
p.cargo("build")
.with_status(101)
.with_stderr_contains("[..]invalid rust code[..]")
.with_stderr_contains("[ERROR] Could not compile [..]")
.run();
}
#[test]
fn cargo_compile_with_warnings_in_the_root_package() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", "fn main() {} fn dead() {}")
.build();
p.cargo("build")
.with_stderr_contains("[..]function is never used: `dead`[..]")
.run();
}
#[test]
fn cargo_compile_with_warnings_in_a_dep_package() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
[[bin]]
name = "foo"
"#,
)
.file("src/foo.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file("bar/Cargo.toml", &basic_lib_manifest("bar"))
.file(
"bar/src/bar.rs",
r#"
pub fn gimme() -> &'static str {
"test passed"
}
fn dead() {}
"#,
)
.build();
p.cargo("build")
.with_stderr_contains("[..]function is never used: `dead`[..]")
.run();
assert!(p.bin("foo").is_file());
p.process(&p.bin("foo")).with_stdout("test passed\n").run();
}
#[test]
fn cargo_compile_with_nested_deps_inferred() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = 'bar'
[[bin]]
name = "foo"
"#,
)
.file("src/foo.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.baz]
path = "../baz"
"#,
)
.file(
"bar/src/lib.rs",
r#"
extern crate baz;
pub fn gimme() -> String {
baz::gimme()
}
"#,
)
.file("baz/Cargo.toml", &basic_manifest("baz", "0.5.0"))
.file(
"baz/src/lib.rs",
r#"
pub fn gimme() -> String {
"test passed".to_string()
}
"#,
)
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
assert!(!p.bin("libbar.rlib").is_file());
assert!(!p.bin("libbaz.rlib").is_file());
p.process(&p.bin("foo")).with_stdout("test passed\n").run();
}
#[test]
fn cargo_compile_with_nested_deps_correct_bin() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
[[bin]]
name = "foo"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.baz]
path = "../baz"
"#,
)
.file(
"bar/src/lib.rs",
r#"
extern crate baz;
pub fn gimme() -> String {
baz::gimme()
}
"#,
)
.file("baz/Cargo.toml", &basic_manifest("baz", "0.5.0"))
.file(
"baz/src/lib.rs",
r#"
pub fn gimme() -> String {
"test passed".to_string()
}
"#,
)
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
assert!(!p.bin("libbar.rlib").is_file());
assert!(!p.bin("libbaz.rlib").is_file());
p.process(&p.bin("foo")).with_stdout("test passed\n").run();
}
#[test]
fn cargo_compile_with_nested_deps_shorthand() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.baz]
path = "../baz"
[lib]
name = "bar"
"#,
)
.file(
"bar/src/bar.rs",
r#"
extern crate baz;
pub fn gimme() -> String {
baz::gimme()
}
"#,
)
.file("baz/Cargo.toml", &basic_lib_manifest("baz"))
.file(
"baz/src/baz.rs",
r#"
pub fn gimme() -> String {
"test passed".to_string()
}
"#,
)
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
assert!(!p.bin("libbar.rlib").is_file());
assert!(!p.bin("libbaz.rlib").is_file());
p.process(&p.bin("foo")).with_stdout("test passed\n").run();
}
#[test]
fn cargo_compile_with_nested_deps_longhand() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
version = "0.5.0"
[[bin]]
name = "foo"
"#,
)
.file("src/foo.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.baz]
path = "../baz"
version = "0.5.0"
[lib]
name = "bar"
"#,
)
.file(
"bar/src/bar.rs",
r#"
extern crate baz;
pub fn gimme() -> String {
baz::gimme()
}
"#,
)
.file("baz/Cargo.toml", &basic_lib_manifest("baz"))
.file(
"baz/src/baz.rs",
r#"
pub fn gimme() -> String {
"test passed".to_string()
}
"#,
)
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
assert!(!p.bin("libbar.rlib").is_file());
assert!(!p.bin("libbaz.rlib").is_file());
p.process(&p.bin("foo")).with_stdout("test passed\n").run();
}
// Check that Cargo gives a sensible error if a dependency can't be found
// because of a name mismatch.
#[test]
fn cargo_compile_with_dep_name_mismatch() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = ["wycats@example.com"]
[[bin]]
name = "foo"
[dependencies.notquitebar]
path = "bar"
"#,
)
.file("src/bin/foo.rs", &main_file(r#""i am foo""#, &["bar"]))
.file("bar/Cargo.toml", &basic_bin_manifest("bar"))
.file("bar/src/bar.rs", &main_file(r#""i am bar""#, &[]))
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
r#"error: no matching package named `notquitebar` found
location searched: [CWD]/bar
required by package `foo v0.0.1 ([CWD])`
"#,
)
.run();
}
#[test]
fn cargo_compile_with_filename() {
let p = project()
.file("src/lib.rs", "")
.file(
"src/bin/a.rs",
r#"
extern crate foo;
fn main() { println!("hello a.rs"); }
"#,
)
.file("examples/a.rs", r#"fn main() { println!("example"); }"#)
.build();
p.cargo("build --bin bin.rs")
.with_status(101)
.with_stderr("[ERROR] no bin target named `bin.rs`")
.run();
p.cargo("build --bin a.rs")
.with_status(101)
.with_stderr(
"\
[ERROR] no bin target named `a.rs`
Did you mean `a`?",
)
.run();
p.cargo("build --example example.rs")
.with_status(101)
.with_stderr("[ERROR] no example target named `example.rs`")
.run();
p.cargo("build --example a.rs")
.with_status(101)
.with_stderr(
"\
[ERROR] no example target named `a.rs`
Did you mean `a`?",
)
.run();
}
#[test]
fn cargo_compile_path_with_offline() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.bar]
path = "bar"
"#,
)
.file("src/lib.rs", "")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1"))
.file("bar/src/lib.rs", "")
.build();
p.cargo("build -Zoffline")
.masquerade_as_nightly_cargo()
.run();
}
#[test]
fn cargo_compile_with_downloaded_dependency_with_offline() {
Package::new("present_dep", "1.2.3")
.file("Cargo.toml", &basic_manifest("present_dep", "1.2.3"))
.file("src/lib.rs", "")
.publish();
{
// make package downloaded
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
[dependencies]
present_dep = "1.2.3"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build").run();
}
let p2 = project()
.at("bar")
.file(
"Cargo.toml",
r#"
[project]
name = "bar"
version = "0.1.0"
[dependencies]
present_dep = "1.2.3"
"#,
)
.file("src/lib.rs", "")
.build();
p2.cargo("build -Zoffline")
.masquerade_as_nightly_cargo()
.with_stderr(
"\
[COMPILING] present_dep v1.2.3
[COMPILING] bar v0.1.0 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]",
)
.run();
}
#[test]
fn cargo_compile_offline_not_try_update() {
let p = project()
.at("bar")
.file(
"Cargo.toml",
r#"
[project]
name = "bar"
version = "0.1.0"
[dependencies]
not_cached_dep = "1.2.5"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build -Zoffline")
.masquerade_as_nightly_cargo()
.with_status(101)
.with_stderr(
"\
error: no matching package named `not_cached_dep` found
location searched: registry `[..]`
required by package `bar v0.1.0 ([..])`
As a reminder, you're using offline mode (-Z offline) \
which can sometimes cause surprising resolution failures, \
if this error is too confusing you may wish to retry \
without the offline flag.",
)
.run();
}
#[test]
fn compile_offline_without_maxvers_cached() {
Package::new("present_dep", "1.2.1").publish();
Package::new("present_dep", "1.2.2").publish();
Package::new("present_dep", "1.2.3")
.file("Cargo.toml", &basic_manifest("present_dep", "1.2.3"))
.file(
"src/lib.rs",
r#"pub fn get_version()->&'static str {"1.2.3"}"#,
)
.publish();
Package::new("present_dep", "1.2.5")
.file("Cargo.toml", &basic_manifest("present_dep", "1.2.5"))
.file("src/lib.rs", r#"pub fn get_version(){"1.2.5"}"#)
.publish();
{
// make package cached
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
[dependencies]
present_dep = "=1.2.3"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build").run();
}
let p2 = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
[dependencies]
present_dep = "1.2"
"#,
)
.file(
"src/main.rs",
"\
extern crate present_dep;
fn main(){
println!(\"{}\", present_dep::get_version());
}",
)
.build();
p2.cargo("run -Zoffline")
.masquerade_as_nightly_cargo()
.with_stderr(
"\
[COMPILING] present_dep v1.2.3
[COMPILING] foo v0.1.0 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
Running `[..]`",
)
.with_stdout("1.2.3")
.run();
}
#[test]
fn incompatible_dependencies() {
Package::new("bad", "0.1.0").publish();
Package::new("bad", "1.0.0").publish();
Package::new("bad", "1.0.1").publish();
Package::new("bad", "1.0.2").publish();
Package::new("bar", "0.1.0").dep("bad", "0.1.0").publish();
Package::new("baz", "0.1.1").dep("bad", "=1.0.0").publish();
Package::new("baz", "0.1.0").dep("bad", "=1.0.0").publish();
Package::new("qux", "0.1.2").dep("bad", ">=1.0.1").publish();
Package::new("qux", "0.1.1").dep("bad", ">=1.0.1").publish();
Package::new("qux", "0.1.0").dep("bad", ">=1.0.1").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.0.1"
[dependencies]
bar = "0.1.0"
baz = "0.1.0"
qux = "0.1.0"
"#,
)
.file("src/main.rs", "fn main(){}")
.build();
p.cargo("build")
.with_status(101)
.with_stderr_contains(
"\
error: failed to select a version for `bad`.
... required by package `qux v0.1.0`
... which is depended on by `foo v0.0.1 ([..])`
versions that meet the requirements `>= 1.0.1` are: 1.0.2, 1.0.1
all possible versions conflict with previously selected packages.
previously selected package `bad v1.0.0`
... which is depended on by `baz v0.1.0`
... which is depended on by `foo v0.0.1 ([..])`
failed to select a version for `bad` which could resolve this conflict",
)
.run();
}
#[test]
fn incompatible_dependencies_with_multi_semver() {
Package::new("bad", "1.0.0").publish();
Package::new("bad", "1.0.1").publish();
Package::new("bad", "2.0.0").publish();
Package::new("bad", "2.0.1").publish();
Package::new("bar", "0.1.0").dep("bad", "=1.0.0").publish();
Package::new("baz", "0.1.0").dep("bad", ">=2.0.1").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.0.1"
[dependencies]
bar = "0.1.0"
baz = "0.1.0"
bad = ">=1.0.1, <=2.0.0"
"#,
)
.file("src/main.rs", "fn main(){}")
.build();
p.cargo("build")
.with_status(101)
.with_stderr_contains(
"\
error: failed to select a version for `bad`.
... required by package `foo v0.0.1 ([..])`
versions that meet the requirements `>= 1.0.1, <= 2.0.0` are: 2.0.0, 1.0.1
all possible versions conflict with previously selected packages.
previously selected package `bad v2.0.1`
... which is depended on by `baz v0.1.0`
... which is depended on by `foo v0.0.1 ([..])`
previously selected package `bad v1.0.0`
... which is depended on by `bar v0.1.0`
... which is depended on by `foo v0.0.1 ([..])`
failed to select a version for `bad` which could resolve this conflict",
)
.run();
}
#[test]
fn compile_offline_while_transitive_dep_not_cached() {
let baz = Package::new("baz", "1.0.0");
let baz_path = baz.archive_dst();
baz.publish();
let mut content = Vec::new();
let mut file = File::open(baz_path.clone()).ok().unwrap();
let _ok = file.read_to_end(&mut content).ok().unwrap();
drop(file);
drop(File::create(baz_path.clone()).ok().unwrap());
Package::new("bar", "0.1.0").dep("baz", "1.0.0").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.0.1"
[dependencies]
bar = "0.1.0"
"#,
)
.file("src/main.rs", "fn main(){}")
.build();
// simulate download bar, but fail to download baz
p.cargo("build")
.with_status(101)
.with_stderr_contains("[..]failed to verify the checksum of `baz[..]")
.run();
drop(File::create(baz_path).ok().unwrap().write_all(&content));
p.cargo("build -Zoffline")
.masquerade_as_nightly_cargo()
.with_status(101)
.with_stderr(
"\
error: no matching package named `baz` found
location searched: registry `[..]`
required by package `bar v0.1.0`
... which is depended on by `foo v0.0.1 ([CWD])`
As a reminder, you're using offline mode (-Z offline) \
which can sometimes cause surprising resolution failures, \
if this error is too confusing you may wish to retry \
without the offline flag.",
)
.run();
}
#[test]
fn compile_path_dep_then_change_version() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.bar]
path = "bar"
"#,
)
.file("src/lib.rs", "")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1"))
.file("bar/src/lib.rs", "")
.build();
p.cargo("build").run();
File::create(&p.root().join("bar/Cargo.toml"))
.unwrap()
.write_all(basic_manifest("bar", "0.0.2").as_bytes())
.unwrap();
p.cargo("build").run();
}
#[test]
fn ignores_carriage_return_in_lockfile() {
let p = project()
.file("src/main.rs", r"mod a; fn main() {}")
.file("src/a.rs", "")
.build();
p.cargo("build").run();
let lockfile = p.root().join("Cargo.lock");
let mut lock = String::new();
File::open(&lockfile)
.unwrap()
.read_to_string(&mut lock)
.unwrap();
let lock = lock.replace("\n", "\r\n");
File::create(&lockfile)
.unwrap()
.write_all(lock.as_bytes())
.unwrap();
p.cargo("build").run();
}
#[test]
fn cargo_default_env_metadata_env_var() {
// Ensure that path dep + dylib + env_var get metadata
// (even though path_dep + dylib should not)
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.bar]
path = "bar"
"#,
)
.file("src/lib.rs", "// hi")
.file(
"bar/Cargo.toml",
r#"
[package]
name = "bar"
version = "0.0.1"
authors = []
[lib]
name = "bar"
crate_type = ["dylib"]
"#,
)
.file("bar/src/lib.rs", "// hello")
.build();
// No metadata on libbar since it's a dylib path dependency
p.cargo("build -v")
.with_stderr(&format!(
"\
[COMPILING] bar v0.0.1 ([CWD]/bar)
[RUNNING] `rustc --crate-name bar bar/src/lib.rs --color never --crate-type dylib \
--emit=dep-info,link \
-C prefer-dynamic -C debuginfo=2 \
-C metadata=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/debug/deps`
[COMPILING] foo v0.0.1 ([CWD])
[RUNNING] `rustc --crate-name foo src/lib.rs --color never --crate-type lib \
--emit=dep-info,link -C debuginfo=2 \
-C metadata=[..] \
-C extra-filename=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/debug/deps \
--extern bar=[CWD]/target/debug/deps/{prefix}bar{suffix}`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]",
prefix = env::consts::DLL_PREFIX,
suffix = env::consts::DLL_SUFFIX,
))
.run();
p.cargo("clean").run();
// If you set the env-var, then we expect metadata on libbar
p.cargo("build -v")
.env("__CARGO_DEFAULT_LIB_METADATA", "stable")
.with_stderr(&format!(
"\
[COMPILING] bar v0.0.1 ([CWD]/bar)
[RUNNING] `rustc --crate-name bar bar/src/lib.rs --color never --crate-type dylib \
--emit=dep-info,link \
-C prefer-dynamic -C debuginfo=2 \
-C metadata=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/debug/deps`
[COMPILING] foo v0.0.1 ([CWD])
[RUNNING] `rustc --crate-name foo src/lib.rs --color never --crate-type lib \
--emit=dep-info,link -C debuginfo=2 \
-C metadata=[..] \
-C extra-filename=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/debug/deps \
--extern bar=[CWD]/target/debug/deps/{prefix}bar-[..]{suffix}`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
prefix = env::consts::DLL_PREFIX,
suffix = env::consts::DLL_SUFFIX,
))
.run();
}
#[test]
fn crate_env_vars() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.1-alpha.1"
description = "This is foo"
homepage = "https://example.com"
repository = "https://example.com/repo.git"
authors = ["wycats@example.com"]
"#,
)
.file(
"src/main.rs",
r#"
extern crate foo;
static VERSION_MAJOR: &'static str = env!("CARGO_PKG_VERSION_MAJOR");
static VERSION_MINOR: &'static str = env!("CARGO_PKG_VERSION_MINOR");
static VERSION_PATCH: &'static str = env!("CARGO_PKG_VERSION_PATCH");
static VERSION_PRE: &'static str = env!("CARGO_PKG_VERSION_PRE");
static VERSION: &'static str = env!("CARGO_PKG_VERSION");
static CARGO_MANIFEST_DIR: &'static str = env!("CARGO_MANIFEST_DIR");
static PKG_NAME: &'static str = env!("CARGO_PKG_NAME");
static HOMEPAGE: &'static str = env!("CARGO_PKG_HOMEPAGE");
static REPOSITORY: &'static str = env!("CARGO_PKG_REPOSITORY");
static DESCRIPTION: &'static str = env!("CARGO_PKG_DESCRIPTION");
fn main() {
let s = format!("{}-{}-{} @ {} in {}", VERSION_MAJOR,
VERSION_MINOR, VERSION_PATCH, VERSION_PRE,
CARGO_MANIFEST_DIR);
assert_eq!(s, foo::version());
println!("{}", s);
assert_eq!("foo", PKG_NAME);
assert_eq!("https://example.com", HOMEPAGE);
assert_eq!("https://example.com/repo.git", REPOSITORY);
assert_eq!("This is foo", DESCRIPTION);
let s = format!("{}.{}.{}-{}", VERSION_MAJOR,
VERSION_MINOR, VERSION_PATCH, VERSION_PRE);
assert_eq!(s, VERSION);
}
"#,
)
.file(
"src/lib.rs",
r#"
pub fn version() -> String {
format!("{}-{}-{} @ {} in {}",
env!("CARGO_PKG_VERSION_MAJOR"),
env!("CARGO_PKG_VERSION_MINOR"),
env!("CARGO_PKG_VERSION_PATCH"),
env!("CARGO_PKG_VERSION_PRE"),
env!("CARGO_MANIFEST_DIR"))
}
"#,
)
.build();
println!("build");
p.cargo("build -v").run();
println!("bin");
p.process(&p.bin("foo"))
.with_stdout("0-5-1 @ alpha.1 in [CWD]")
.run();
println!("test");
p.cargo("test -v").run();
}
#[test]
fn crate_authors_env_vars() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.1-alpha.1"
authors = ["wycats@example.com", "neikos@example.com"]
"#,
)
.file(
"src/main.rs",
r#"
extern crate foo;
static AUTHORS: &'static str = env!("CARGO_PKG_AUTHORS");
fn main() {
let s = "wycats@example.com:neikos@example.com";
assert_eq!(AUTHORS, foo::authors());
println!("{}", AUTHORS);
assert_eq!(s, AUTHORS);
}
"#,
)
.file(
"src/lib.rs",
r#"
pub fn authors() -> String {
format!("{}", env!("CARGO_PKG_AUTHORS"))
}
"#,
)
.build();
println!("build");
p.cargo("build -v").run();
println!("bin");
p.process(&p.bin("foo"))
.with_stdout("wycats@example.com:neikos@example.com")
.run();
println!("test");
p.cargo("test -v").run();
}
#[test]
fn vv_prints_rustc_env_vars() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.0.1"
authors = ["escape='\"@example.com"]
"#,
)
.file("src/main.rs", "fn main() {}")
.build();
let mut b = p.cargo("build -vv");
if cfg!(windows) {
b.with_stderr_contains(
"[RUNNING] `[..]set CARGO_PKG_NAME=foo&& [..]rustc [..]`"
).with_stderr_contains(
r#"[RUNNING] `[..]set CARGO_PKG_AUTHORS="escape='\"@example.com"&& [..]rustc [..]`"#
)
} else {
b.with_stderr_contains("[RUNNING] `[..]CARGO_PKG_NAME=foo [..]rustc [..]`")
.with_stderr_contains(
r#"[RUNNING] `[..]CARGO_PKG_AUTHORS='escape='\''"@example.com' [..]rustc [..]`"#,
)
};
b.run();
}
// The tester may already have LD_LIBRARY_PATH=::/foo/bar which leads to a false positive error
fn setenv_for_removing_empty_component(mut execs: Execs) -> Execs {
let v = dylib_path_envvar();
if let Ok(search_path) = env::var(v) {
let new_search_path =
env::join_paths(env::split_paths(&search_path).filter(|e| !e.as_os_str().is_empty()))
.expect("join_paths");
execs.env(v, new_search_path); // build_command() will override LD_LIBRARY_PATH accordingly
}
execs
}
// Regression test for #4277
#[test]
fn crate_library_path_env_var() {
let p = project()
.file(
"src/main.rs",
&format!(
r##"
fn main() {{
let search_path = env!("{}");
let paths = std::env::split_paths(&search_path).collect::<Vec<_>>();
assert!(!paths.contains(&"".into()));
}}
"##,
dylib_path_envvar()
),
)
.build();
setenv_for_removing_empty_component(p.cargo("run")).run();
}
// Regression test for #4277
#[test]
fn build_with_fake_libc_not_loading() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file("src/lib.rs", r#" "#)
.file("libc.so.6", r#""#)
.build();
setenv_for_removing_empty_component(p.cargo("build")).run();
}
// this is testing that src/<pkg-name>.rs still works (for now)
#[test]
fn many_crate_types_old_style_lib_location() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "foo"
crate_type = ["rlib", "dylib"]
"#,
)
.file("src/foo.rs", "pub fn foo() {}")
.build();
p.cargo("build")
.with_stderr_contains(
"\
[WARNING] path `[..]src/foo.rs` was erroneously implicitly accepted for library `foo`,
please rename the file to `src/lib.rs` or set lib.path in Cargo.toml",
)
.run();
assert!(p.root().join("target/debug/libfoo.rlib").is_file());
let fname = format!("{}foo{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX);
assert!(p.root().join("target/debug").join(&fname).is_file());
}
#[test]
fn many_crate_types_correct() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "foo"
crate_type = ["rlib", "dylib"]
"#,
)
.file("src/lib.rs", "pub fn foo() {}")
.build();
p.cargo("build").run();
assert!(p.root().join("target/debug/libfoo.rlib").is_file());
let fname = format!("{}foo{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX);
assert!(p.root().join("target/debug").join(&fname).is_file());
}
#[test]
fn self_dependency() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "test"
version = "0.0.0"
authors = []
[dependencies.test]
path = "."
[lib]
name = "test"
path = "src/test.rs"
"#,
)
.file("src/test.rs", "fn main() {}")
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] cyclic package dependency: package `test v0.0.0 ([CWD])` depends on itself. Cycle:
package `test v0.0.0 ([CWD])`",
)
.run();
}
#[test]
fn ignore_broken_symlinks() {
// windows and symlinks don't currently agree that well
if cfg!(windows) {
return;
}
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.symlink("Notafile", "bar")
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
p.process(&p.bin("foo")).with_stdout("i am foo\n").run();
}
#[test]
fn missing_lib_and_bin() {
let p = project().build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]Cargo.toml`
Caused by:
no targets specified in the manifest
either src/lib.rs, src/main.rs, a [lib] section, or [[bin]] section must be present\n",
)
.run();
}
#[test]
fn lto_build() {
// FIXME: currently this hits a linker bug on 32-bit MSVC
if cfg!(all(target_env = "msvc", target_pointer_width = "32")) {
return;
}
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "test"
version = "0.0.0"
authors = []
[profile.release]
lto = true
"#,
)
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build -v --release")
.with_stderr(
"\
[COMPILING] test v0.0.0 ([CWD])
[RUNNING] `rustc --crate-name test src/main.rs --color never --crate-type bin \
--emit=dep-info,link \
-C opt-level=3 \
-C lto \
-C metadata=[..] \
--out-dir [CWD]/target/release/deps \
-L dependency=[CWD]/target/release/deps`
[FINISHED] release [optimized] target(s) in [..]
",
)
.run();
}
#[test]
fn verbose_build() {
let p = project().file("src/lib.rs", "").build();
p.cargo("build -v")
.with_stderr(
"\
[COMPILING] foo v0.0.1 ([CWD])
[RUNNING] `rustc --crate-name foo src/lib.rs --color never --crate-type lib \
--emit=dep-info,link -C debuginfo=2 \
-C metadata=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/debug/deps`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
}
#[test]
fn verbose_release_build() {
let p = project().file("src/lib.rs", "").build();
p.cargo("build -v --release")
.with_stderr(
"\
[COMPILING] foo v0.0.1 ([CWD])
[RUNNING] `rustc --crate-name foo src/lib.rs --color never --crate-type lib \
--emit=dep-info,link \
-C opt-level=3 \
-C metadata=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/release/deps`
[FINISHED] release [optimized] target(s) in [..]
",
)
.run();
}
#[test]
fn verbose_release_build_deps() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "test"
version = "0.0.0"
authors = []
[dependencies.foo]
path = "foo"
"#,
)
.file("src/lib.rs", "")
.file(
"foo/Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.0"
authors = []
[lib]
name = "foo"
crate_type = ["dylib", "rlib"]
"#,
)
.file("foo/src/lib.rs", "")
.build();
p.cargo("build -v --release")
.with_stderr(&format!(
"\
[COMPILING] foo v0.0.0 ([CWD]/foo)
[RUNNING] `rustc --crate-name foo foo/src/lib.rs --color never \
--crate-type dylib --crate-type rlib \
--emit=dep-info,link \
-C prefer-dynamic \
-C opt-level=3 \
-C metadata=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/release/deps`
[COMPILING] test v0.0.0 ([CWD])
[RUNNING] `rustc --crate-name test src/lib.rs --color never --crate-type lib \
--emit=dep-info,link \
-C opt-level=3 \
-C metadata=[..] \
--out-dir [..] \
-L dependency=[CWD]/target/release/deps \
--extern foo=[CWD]/target/release/deps/{prefix}foo{suffix} \
--extern foo=[CWD]/target/release/deps/libfoo.rlib`
[FINISHED] release [optimized] target(s) in [..]
",
prefix = env::consts::DLL_PREFIX,
suffix = env::consts::DLL_SUFFIX
))
.run();
}
#[test]
fn explicit_examples() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "1.0.0"
authors = []
[lib]
name = "foo"
path = "src/lib.rs"
[[example]]
name = "hello"
path = "examples/ex-hello.rs"
[[example]]
name = "goodbye"
path = "examples/ex-goodbye.rs"
"#,
)
.file(
"src/lib.rs",
r#"
pub fn get_hello() -> &'static str { "Hello" }
pub fn get_goodbye() -> &'static str { "Goodbye" }
pub fn get_world() -> &'static str { "World" }
"#,
)
.file(
"examples/ex-hello.rs",
r#"
extern crate foo;
fn main() { println!("{}, {}!", foo::get_hello(), foo::get_world()); }
"#,
)
.file(
"examples/ex-goodbye.rs",
r#"
extern crate foo;
fn main() { println!("{}, {}!", foo::get_goodbye(), foo::get_world()); }
"#,
)
.build();
p.cargo("test -v").run();
p.process(&p.bin("examples/hello"))
.with_stdout("Hello, World!\n")
.run();
p.process(&p.bin("examples/goodbye"))
.with_stdout("Goodbye, World!\n")
.run();
}
#[test]
fn non_existing_example() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "1.0.0"
authors = []
[lib]
name = "foo"
path = "src/lib.rs"
[[example]]
name = "hello"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("test -v")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
can't find `hello` example, specify example.path",
)
.run();
}
#[test]
fn non_existing_binary() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/lib.rs", "")
.file("src/bin/ehlo.rs", "")
.build();
p.cargo("build -v")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
can't find `foo` bin, specify bin.path",
)
.run();
}
#[test]
fn legacy_binary_paths_warnings() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "1.0.0"
authors = []
[[bin]]
name = "bar"
"#,
)
.file("src/lib.rs", "")
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build -v")
.with_stderr_contains(
"\
[WARNING] path `[..]src/main.rs` was erroneously implicitly accepted for binary `bar`,
please set bin.path in Cargo.toml",
)
.run();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "1.0.0"
authors = []
[[bin]]
name = "bar"
"#,
)
.file("src/lib.rs", "")
.file("src/bin/main.rs", "fn main() {}")
.build();
p.cargo("build -v")
.with_stderr_contains(
"\
[WARNING] path `[..]src/bin/main.rs` was erroneously implicitly accepted for binary `bar`,
please set bin.path in Cargo.toml",
)
.run();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "1.0.0"
authors = []
[[bin]]
name = "bar"
"#,
)
.file("src/bar.rs", "fn main() {}")
.build();
p.cargo("build -v")
.with_stderr_contains(
"\
[WARNING] path `[..]src/bar.rs` was erroneously implicitly accepted for binary `bar`,
please set bin.path in Cargo.toml",
)
.run();
}
#[test]
fn implicit_examples() {
let p = project()
.file(
"src/lib.rs",
r#"
pub fn get_hello() -> &'static str { "Hello" }
pub fn get_goodbye() -> &'static str { "Goodbye" }
pub fn get_world() -> &'static str { "World" }
"#,
)
.file(
"examples/hello.rs",
r#"
extern crate foo;
fn main() {
println!("{}, {}!", foo::get_hello(), foo::get_world());
}
"#,
)
.file(
"examples/goodbye.rs",
r#"
extern crate foo;
fn main() {
println!("{}, {}!", foo::get_goodbye(), foo::get_world());
}
"#,
)
.build();
p.cargo("test").run();
p.process(&p.bin("examples/hello"))
.with_stdout("Hello, World!\n")
.run();
p.process(&p.bin("examples/goodbye"))
.with_stdout("Goodbye, World!\n")
.run();
}
#[test]
fn standard_build_no_ndebug() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file(
"src/foo.rs",
r#"
fn main() {
if cfg!(debug_assertions) {
println!("slow")
} else {
println!("fast")
}
}
"#,
)
.build();
p.cargo("build").run();
p.process(&p.bin("foo")).with_stdout("slow\n").run();
}
#[test]
fn release_build_ndebug() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file(
"src/foo.rs",
r#"
fn main() {
if cfg!(debug_assertions) {
println!("slow")
} else {
println!("fast")
}
}
"#,
)
.build();
p.cargo("build --release").run();
p.process(&p.release_bin("foo")).with_stdout("fast\n").run();
}
#[test]
fn inferred_main_bin() {
let p = project().file("src/main.rs", "fn main() {}").build();
p.cargo("build").run();
p.process(&p.bin("foo")).run();
}
#[test]
fn deletion_causes_failure() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.bar]
path = "bar"
"#,
)
.file("src/main.rs", "extern crate bar; fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1"))
.file("bar/src/lib.rs", "")
.build();
p.cargo("build").run();
p.change_file("Cargo.toml", &basic_manifest("foo", "0.0.1"));
p.cargo("build")
.with_status(101)
.with_stderr_contains("[..]can't find crate for `bar`")
.run();
}
#[test]
fn bad_cargo_toml_in_target_dir() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file("target/Cargo.toml", "bad-toml")
.build();
p.cargo("build").run();
p.process(&p.bin("foo")).run();
}
#[test]
fn lib_with_standard_name() {
let p = project()
.file("Cargo.toml", &basic_manifest("syntax", "0.0.1"))
.file("src/lib.rs", "pub fn foo() {}")
.file(
"src/main.rs",
"extern crate syntax; fn main() { syntax::foo() }",
)
.build();
p.cargo("build")
.with_stderr(
"\
[COMPILING] syntax v0.0.1 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
}
#[test]
fn simple_staticlib() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.1"
[lib]
name = "foo"
crate-type = ["staticlib"]
"#,
)
.file("src/lib.rs", "pub fn foo() {}")
.build();
// env var is a test for #1381
p.cargo("build").env("RUST_LOG", "nekoneko=trace").run();
}
#[test]
fn staticlib_rlib_and_bin() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.1"
[lib]
name = "foo"
crate-type = ["staticlib", "rlib"]
"#,
)
.file("src/lib.rs", "pub fn foo() {}")
.file("src/main.rs", "extern crate foo; fn main() { foo::foo(); }")
.build();
p.cargo("build -v").run();
}
#[test]
fn opt_out_of_bin() {
let p = project()
.file(
"Cargo.toml",
r#"
bin = []
[package]
name = "foo"
authors = []
version = "0.0.1"
"#,
)
.file("src/lib.rs", "")
.file("src/main.rs", "bad syntax")
.build();
p.cargo("build").run();
}
#[test]
fn single_lib() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.1"
[lib]
name = "foo"
path = "src/bar.rs"
"#,
)
.file("src/bar.rs", "")
.build();
p.cargo("build").run();
}
#[test]
fn freshness_ignores_excluded() {
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.0"
authors = []
build = "build.rs"
exclude = ["src/b*.rs"]
"#,
)
.file("build.rs", "fn main() {}")
.file("src/lib.rs", "pub fn bar() -> i32 { 1 }")
.build();
foo.root().move_into_the_past();
foo.cargo("build")
.with_stderr(
"\
[COMPILING] foo v0.0.0 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
// Smoke test to make sure it doesn't compile again
println!("first pass");
foo.cargo("build").with_stdout("").run();
// Modify an ignored file and make sure we don't rebuild
println!("second pass");
File::create(&foo.root().join("src/bar.rs")).unwrap();
foo.cargo("build").with_stdout("").run();
}
#[test]
fn rebuild_preserves_out_dir() {
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.0"
authors = []
build = 'build.rs'
"#,
)
.file(
"build.rs",
r#"
use std::env;
use std::fs::File;
use std::path::Path;
fn main() {
let path = Path::new(&env::var("OUT_DIR").unwrap()).join("foo");
if env::var_os("FIRST").is_some() {
File::create(&path).unwrap();
} else {
File::create(&path).unwrap();
}
}
"#,
)
.file("src/lib.rs", "pub fn bar() -> i32 { 1 }")
.build();
foo.root().move_into_the_past();
foo.cargo("build")
.env("FIRST", "1")
.with_stderr(
"\
[COMPILING] foo v0.0.0 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
File::create(&foo.root().join("src/bar.rs")).unwrap();
foo.cargo("build")
.with_stderr(
"\
[COMPILING] foo v0.0.0 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
}
#[test]
fn dep_no_libs() {
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.0"
authors = []
[dependencies.bar]
path = "bar"
"#,
)
.file("src/lib.rs", "pub fn bar() -> i32 { 1 }")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.0.0"))
.file("bar/src/main.rs", "")
.build();
foo.cargo("build").run();
}
#[test]
fn recompile_space_in_name() {
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.0"
authors = []
[lib]
name = "foo"
path = "src/my lib.rs"
"#,
)
.file("src/my lib.rs", "")
.build();
foo.cargo("build").run();
foo.root().move_into_the_past();
foo.cargo("build").with_stdout("").run();
}
#[cfg(unix)]
#[test]
fn ignore_bad_directories() {
use std::os::unix::prelude::*;
let foo = project()
.file("Cargo.toml", &basic_manifest("foo", "0.0.0"))
.file("src/lib.rs", "")
.build();
let dir = foo.root().join("tmp");
fs::create_dir(&dir).unwrap();
let stat = fs::metadata(&dir).unwrap();
let mut perms = stat.permissions();
perms.set_mode(0o644);
fs::set_permissions(&dir, perms.clone()).unwrap();
foo.cargo("build").run();
perms.set_mode(0o755);
fs::set_permissions(&dir, perms).unwrap();
}
#[test]
fn bad_cargo_config() {
let foo = project()
.file("Cargo.toml", &basic_manifest("foo", "0.0.0"))
.file("src/lib.rs", "")
.file(".cargo/config", "this is not valid toml")
.build();
foo.cargo("build -v")
.with_status(101)
.with_stderr(
"\
[ERROR] could not load Cargo configuration
Caused by:
could not parse TOML configuration in `[..]`
Caused by:
could not parse input as TOML
Caused by:
expected an equals, found an identifier at line 1
",
)
.run();
}
#[test]
fn cargo_platform_specific_dependency() {
let host = rustc_host();
let p = project()
.file(
"Cargo.toml",
&format!(
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
build = "build.rs"
[target.{host}.dependencies]
dep = {{ path = "dep" }}
[target.{host}.build-dependencies]
build = {{ path = "build" }}
[target.{host}.dev-dependencies]
dev = {{ path = "dev" }}
"#,
host = host
),
)
.file("src/main.rs", "extern crate dep; fn main() { dep::dep() }")
.file(
"tests/foo.rs",
"extern crate dev; #[test] fn foo() { dev::dev() }",
)
.file(
"build.rs",
"extern crate build; fn main() { build::build(); }",
)
.file("dep/Cargo.toml", &basic_manifest("dep", "0.5.0"))
.file("dep/src/lib.rs", "pub fn dep() {}")
.file("build/Cargo.toml", &basic_manifest("build", "0.5.0"))
.file("build/src/lib.rs", "pub fn build() {}")
.file("dev/Cargo.toml", &basic_manifest("dev", "0.5.0"))
.file("dev/src/lib.rs", "pub fn dev() {}")
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
p.cargo("test").run();
}
#[test]
fn bad_platform_specific_dependency() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[target.wrong-target.dependencies.bar]
path = "bar"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file("bar/Cargo.toml", &basic_manifest("bar", "0.5.0"))
.file(
"bar/src/lib.rs",
r#"pub fn gimme() -> String { format!("") }"#,
)
.build();
p.cargo("build")
.with_status(101)
.with_stderr_contains("[..]can't find crate for `bar`")
.run();
}
#[test]
fn cargo_platform_specific_dependency_wrong_platform() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[target.non-existing-triplet.dependencies.bar]
path = "bar"
"#,
)
.file("src/main.rs", "fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.5.0"))
.file(
"bar/src/lib.rs",
"invalid rust file, should not be compiled",
)
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
p.process(&p.bin("foo")).run();
let loc = p.root().join("Cargo.lock");
let mut lockfile = String::new();
File::open(&loc)
.unwrap()
.read_to_string(&mut lockfile)
.unwrap();
assert!(lockfile.contains("bar"));
}
#[test]
fn example_as_lib() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[[example]]
name = "ex"
crate-type = ["lib"]
"#,
)
.file("src/lib.rs", "")
.file("examples/ex.rs", "")
.build();
p.cargo("build --example=ex").run();
assert!(p.example_lib("ex", "lib").is_file());
}
#[test]
fn example_as_rlib() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[[example]]
name = "ex"
crate-type = ["rlib"]
"#,
)
.file("src/lib.rs", "")
.file("examples/ex.rs", "")
.build();
p.cargo("build --example=ex").run();
assert!(p.example_lib("ex", "rlib").is_file());
}
#[test]
fn example_as_dylib() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[[example]]
name = "ex"
crate-type = ["dylib"]
"#,
)
.file("src/lib.rs", "")
.file("examples/ex.rs", "")
.build();
p.cargo("build --example=ex").run();
assert!(p.example_lib("ex", "dylib").is_file());
}
#[test]
fn example_as_proc_macro() {
if !is_nightly() {
return;
}
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[[example]]
name = "ex"
crate-type = ["proc-macro"]
"#,
)
.file("src/lib.rs", "")
.file("examples/ex.rs", "#![feature(proc_macro)]")
.build();
p.cargo("build --example=ex").run();
assert!(p.example_lib("ex", "proc-macro").is_file());
}
#[test]
fn example_bin_same_name() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file("examples/foo.rs", "fn main() {}")
.build();
p.cargo("test --no-run -v").run();
assert!(!p.bin("foo").is_file());
// We expect a file of the form bin/foo-{metadata_hash}
assert!(p.bin("examples/foo").is_file());
p.cargo("test --no-run -v").run();
assert!(!p.bin("foo").is_file());
// We expect a file of the form bin/foo-{metadata_hash}
assert!(p.bin("examples/foo").is_file());
}
#[test]
fn compile_then_delete() {
let p = project().file("src/main.rs", "fn main() {}").build();
p.cargo("run -v").run();
assert!(p.bin("foo").is_file());
if cfg!(windows) {
// On windows unlinking immediately after running often fails, so sleep
sleep_ms(100);
}
fs::remove_file(&p.bin("foo")).unwrap();
p.cargo("run -v").run();
}
#[test]
fn transitive_dependencies_not_available() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.aaaaa]
path = "a"
"#,
)
.file(
"src/main.rs",
"extern crate bbbbb; extern crate aaaaa; fn main() {}",
)
.file(
"a/Cargo.toml",
r#"
[package]
name = "aaaaa"
version = "0.0.1"
authors = []
[dependencies.bbbbb]
path = "../b"
"#,
)
.file("a/src/lib.rs", "extern crate bbbbb;")
.file("b/Cargo.toml", &basic_manifest("bbbbb", "0.0.1"))
.file("b/src/lib.rs", "")
.build();
p.cargo("build -v")
.with_status(101)
.with_stderr_contains("[..] can't find crate for `bbbbb`[..]")
.run();
}
#[test]
fn cyclic_deps_rejected() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.a]
path = "a"
"#,
)
.file("src/lib.rs", "")
.file(
"a/Cargo.toml",
r#"
[package]
name = "a"
version = "0.0.1"
authors = []
[dependencies.foo]
path = ".."
"#,
)
.file("a/src/lib.rs", "")
.build();
p.cargo("build -v")
.with_status(101)
.with_stderr(
"[ERROR] cyclic package dependency: package `a v0.0.1 ([CWD]/a)` depends on itself. Cycle:
package `a v0.0.1 ([CWD]/a)`
... which is depended on by `foo v0.0.1 ([CWD])`",
).run();
}
#[test]
fn predictable_filenames() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[lib]
name = "foo"
crate-type = ["dylib", "rlib"]
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build -v").run();
assert!(p.root().join("target/debug/libfoo.rlib").is_file());
let dylib_name = format!("{}foo{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX);
assert!(p.root().join("target/debug").join(dylib_name).is_file());
}
#[test]
fn dashes_to_underscores() {
let p = project()
.file("Cargo.toml", &basic_manifest("foo-bar", "0.0.1"))
.file("src/lib.rs", "")
.file("src/main.rs", "extern crate foo_bar; fn main() {}")
.build();
p.cargo("build -v").run();
assert!(p.bin("foo-bar").is_file());
}
#[test]
fn dashes_in_crate_name_bad() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[lib]
name = "foo-bar"
"#,
)
.file("src/lib.rs", "")
.file("src/main.rs", "extern crate foo_bar; fn main() {}")
.build();
p.cargo("build -v")
.with_status(101)
.with_stderr(
"\
[ERROR] failed to parse manifest at `[..]/foo/Cargo.toml`
Caused by:
library target names cannot contain hyphens: foo-bar
",
)
.run();
}
#[test]
fn rustc_env_var() {
let p = project().file("src/lib.rs", "").build();
p.cargo("build -v")
.env("RUSTC", "rustc-that-does-not-exist")
.with_status(101)
.with_stderr(
"\
[ERROR] could not execute process `rustc-that-does-not-exist -vV` ([..])
Caused by:
[..]
",
)
.run();
assert!(!p.bin("a").is_file());
}
#[test]
fn filtering() {
let p = project()
.file("src/lib.rs", "")
.file("src/bin/a.rs", "fn main() {}")
.file("src/bin/b.rs", "fn main() {}")
.file("examples/a.rs", "fn main() {}")
.file("examples/b.rs", "fn main() {}")
.build();
p.cargo("build --lib").run();
assert!(!p.bin("a").is_file());
p.cargo("build --bin=a --example=a").run();
assert!(p.bin("a").is_file());
assert!(!p.bin("b").is_file());
assert!(p.bin("examples/a").is_file());
assert!(!p.bin("examples/b").is_file());
}
#[test]
fn filtering_implicit_bins() {
let p = project()
.file("src/lib.rs", "")
.file("src/bin/a.rs", "fn main() {}")
.file("src/bin/b.rs", "fn main() {}")
.file("examples/a.rs", "fn main() {}")
.file("examples/b.rs", "fn main() {}")
.build();
p.cargo("build --bins").run();
assert!(p.bin("a").is_file());
assert!(p.bin("b").is_file());
assert!(!p.bin("examples/a").is_file());
assert!(!p.bin("examples/b").is_file());
}
#[test]
fn filtering_implicit_examples() {
let p = project()
.file("src/lib.rs", "")
.file("src/bin/a.rs", "fn main() {}")
.file("src/bin/b.rs", "fn main() {}")
.file("examples/a.rs", "fn main() {}")
.file("examples/b.rs", "fn main() {}")
.build();
p.cargo("build --examples").run();
assert!(!p.bin("a").is_file());
assert!(!p.bin("b").is_file());
assert!(p.bin("examples/a").is_file());
assert!(p.bin("examples/b").is_file());
}
#[test]
fn ignore_dotfile() {
let p = project()
.file("src/bin/.a.rs", "")
.file("src/bin/a.rs", "fn main() {}")
.build();
p.cargo("build").run();
}
#[test]
fn ignore_dotdirs() {
let p = project()
.file("src/bin/a.rs", "fn main() {}")
.file(".git/Cargo.toml", "")
.file(".pc/dummy-fix.patch/Cargo.toml", "")
.build();
p.cargo("build").run();
}
#[test]
fn dotdir_root() {
let p = ProjectBuilder::new(root().join(".foo"))
.file("src/bin/a.rs", "fn main() {}")
.build();
p.cargo("build").run();
}
#[test]
fn custom_target_dir_env() {
let p = project().file("src/main.rs", "fn main() {}").build();
let exe_name = format!("foo{}", env::consts::EXE_SUFFIX);
p.cargo("build").env("CARGO_TARGET_DIR", "foo/target").run();
assert!(p.root().join("foo/target/debug").join(&exe_name).is_file());
assert!(!p.root().join("target/debug").join(&exe_name).is_file());
p.cargo("build").run();
assert!(p.root().join("foo/target/debug").join(&exe_name).is_file());
assert!(p.root().join("target/debug").join(&exe_name).is_file());
fs::create_dir(p.root().join(".cargo")).unwrap();
File::create(p.root().join(".cargo/config"))
.unwrap()
.write_all(
br#"
[build]
target-dir = "foo/target"
"#,
)
.unwrap();
p.cargo("build").env("CARGO_TARGET_DIR", "bar/target").run();
assert!(p.root().join("bar/target/debug").join(&exe_name).is_file());
assert!(p.root().join("foo/target/debug").join(&exe_name).is_file());
assert!(p.root().join("target/debug").join(&exe_name).is_file());
}
#[test]
fn custom_target_dir_line_parameter() {
let p = project().file("src/main.rs", "fn main() {}").build();
let exe_name = format!("foo{}", env::consts::EXE_SUFFIX);
p.cargo("build --target-dir foo/target").run();
assert!(p.root().join("foo/target/debug").join(&exe_name).is_file());
assert!(!p.root().join("target/debug").join(&exe_name).is_file());
p.cargo("build").run();
assert!(p.root().join("foo/target/debug").join(&exe_name).is_file());
assert!(p.root().join("target/debug").join(&exe_name).is_file());
fs::create_dir(p.root().join(".cargo")).unwrap();
File::create(p.root().join(".cargo/config"))
.unwrap()
.write_all(
br#"
[build]
target-dir = "foo/target"
"#,
)
.unwrap();
p.cargo("build --target-dir bar/target").run();
assert!(p.root().join("bar/target/debug").join(&exe_name).is_file());
assert!(p.root().join("foo/target/debug").join(&exe_name).is_file());
assert!(p.root().join("target/debug").join(&exe_name).is_file());
p.cargo("build --target-dir foobar/target")
.env("CARGO_TARGET_DIR", "bar/target")
.run();
assert!(p
.root()
.join("foobar/target/debug")
.join(&exe_name)
.is_file());
assert!(p.root().join("bar/target/debug").join(&exe_name).is_file());
assert!(p.root().join("foo/target/debug").join(&exe_name).is_file());
assert!(p.root().join("target/debug").join(&exe_name).is_file());
}
#[test]
fn build_multiple_packages() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.d1]
path = "d1"
[dependencies.d2]
path = "d2"
[[bin]]
name = "foo"
"#,
)
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.file("d1/Cargo.toml", &basic_bin_manifest("d1"))
.file("d1/src/lib.rs", "")
.file("d1/src/main.rs", "fn main() { println!(\"d1\"); }")
.file(
"d2/Cargo.toml",
r#"
[package]
name = "d2"
version = "0.0.1"
authors = []
[[bin]]
name = "d2"
doctest = false
"#,
)
.file("d2/src/main.rs", "fn main() { println!(\"d2\"); }")
.build();
p.cargo("build -p d1 -p d2 -p foo").run();
assert!(p.bin("foo").is_file());
p.process(&p.bin("foo")).with_stdout("i am foo\n").run();
let d1_path = &p
.build_dir()
.join("debug")
.join(format!("d1{}", env::consts::EXE_SUFFIX));
let d2_path = &p
.build_dir()
.join("debug")
.join(format!("d2{}", env::consts::EXE_SUFFIX));
assert!(d1_path.is_file());
p.process(d1_path).with_stdout("d1").run();
assert!(d2_path.is_file());
p.process(d2_path).with_stdout("d2").run();
}
#[test]
fn invalid_spec() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[dependencies.d1]
path = "d1"
[[bin]]
name = "foo"
"#,
)
.file("src/bin/foo.rs", &main_file(r#""i am foo""#, &[]))
.file("d1/Cargo.toml", &basic_bin_manifest("d1"))
.file("d1/src/lib.rs", "")
.file("d1/src/main.rs", "fn main() { println!(\"d1\"); }")
.build();
p.cargo("build -p notAValidDep")
.with_status(101)
.with_stderr("[ERROR] package id specification `notAValidDep` matched no packages")
.run();
p.cargo("build -p d1 -p notAValidDep")
.with_status(101)
.with_stderr("[ERROR] package id specification `notAValidDep` matched no packages")
.run();
}
#[test]
fn manifest_with_bom_is_ok() {
let p = project()
.file(
"Cargo.toml",
"\u{FEFF}
[package]
name = \"foo\"
version = \"0.0.1\"
authors = []
",
)
.file("src/lib.rs", "")
.build();
p.cargo("build -v").run();
}
#[test]
fn panic_abort_compiles_with_panic_abort() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[profile.dev]
panic = 'abort'
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build -v")
.with_stderr_contains("[..] -C panic=abort [..]")
.run();
}
#[test]
fn explicit_color_config_is_propagated_to_rustc() {
let p = project()
.file("Cargo.toml", &basic_manifest("test", "0.0.0"))
.file("src/lib.rs", "")
.build();
p.cargo("build -v --color always")
.with_stderr_contains("[..]rustc [..] src/lib.rs --color always[..]")
.run();
p.cargo("clean").run();
p.cargo("build -v --color never")
.with_stderr(
"\
[COMPILING] test v0.0.0 ([..])
[RUNNING] `rustc [..] --color never [..]`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
}
#[test]
fn compiler_json_error_format() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
"#,
)
.file(
"build.rs",
"fn main() { println!(\"cargo:rustc-cfg=xyz\") }",
)
.file("src/main.rs", "fn main() { let unused = 92; }")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.5.0"))
.file("bar/src/lib.rs", r#"fn dead() {}"#)
.build();
// Using jobs=1 to ensure that the order of messages is consistent.
p.cargo("build -v --message-format=json --jobs=1")
.with_json(
r#"
{
"reason":"compiler-artifact",
"package_id":"foo 0.5.0 ([..])",
"target":{
"kind":["custom-build"],
"crate_types":["bin"],
"edition": "2015",
"name":"build-script-build",
"src_path":"[..]build.rs"
},
"profile": {
"debug_assertions": true,
"debuginfo": 2,
"opt_level": "0",
"overflow_checks": true,
"test": false
},
"executable": null,
"features": [],
"filenames": "{...}",
"fresh": false
}
{
"reason":"compiler-message",
"package_id":"bar 0.5.0 ([..])",
"target":{
"kind":["lib"],
"crate_types":["lib"],
"edition": "2015",
"name":"bar",
"src_path":"[..]lib.rs"
},
"message":"{...}"
}
{
"reason":"compiler-artifact",
"profile": {
"debug_assertions": true,
"debuginfo": 2,
"opt_level": "0",
"overflow_checks": true,
"test": false
},
"executable": null,
"features": [],
"package_id":"bar 0.5.0 ([..])",
"target":{
"kind":["lib"],
"crate_types":["lib"],
"edition": "2015",
"name":"bar",
"src_path":"[..]lib.rs"
},
"filenames":["[..].rlib"],
"fresh": false
}
{
"reason":"build-script-executed",
"package_id":"foo 0.5.0 ([..])",
"linked_libs":[],
"linked_paths":[],
"env":[],
"cfgs":["xyz"]
}
{
"reason":"compiler-message",
"package_id":"foo 0.5.0 ([..])",
"target":{
"kind":["bin"],
"crate_types":["bin"],
"edition": "2015",
"name":"foo",
"src_path":"[..]main.rs"
},
"message":"{...}"
}
{
"reason":"compiler-artifact",
"package_id":"foo 0.5.0 ([..])",
"target":{
"kind":["bin"],
"crate_types":["bin"],
"edition": "2015",
"name":"foo",
"src_path":"[..]main.rs"
},
"profile": {
"debug_assertions": true,
"debuginfo": 2,
"opt_level": "0",
"overflow_checks": true,
"test": false
},
"executable": "[..]/foo/target/debug/foo[EXE]",
"features": [],
"filenames": "{...}",
"fresh": false
}
"#,
)
.run();
// With fresh build, we should repeat the artifacts,
// but omit compiler warnings.
p.cargo("build -v --message-format=json --jobs=1")
.with_json(
r#"
{
"reason":"compiler-artifact",
"package_id":"foo 0.5.0 ([..])",
"target":{
"kind":["custom-build"],
"crate_types":["bin"],
"edition": "2015",
"name":"build-script-build",
"src_path":"[..]build.rs"
},
"profile": {
"debug_assertions": true,
"debuginfo": 2,
"opt_level": "0",
"overflow_checks": true,
"test": false
},
"executable": null,
"features": [],
"filenames": "{...}",
"fresh": true
}
{
"reason":"compiler-artifact",
"profile": {
"debug_assertions": true,
"debuginfo": 2,
"opt_level": "0",
"overflow_checks": true,
"test": false
},
"executable": null,
"features": [],
"package_id":"bar 0.5.0 ([..])",
"target":{
"kind":["lib"],
"crate_types":["lib"],
"edition": "2015",
"name":"bar",
"src_path":"[..]lib.rs"
},
"filenames":["[..].rlib"],
"fresh": true
}
{
"reason":"build-script-executed",
"package_id":"foo 0.5.0 ([..])",
"linked_libs":[],
"linked_paths":[],
"env":[],
"cfgs":["xyz"]
}
{
"reason":"compiler-artifact",
"package_id":"foo 0.5.0 ([..])",
"target":{
"kind":["bin"],
"crate_types":["bin"],
"edition": "2015",
"name":"foo",
"src_path":"[..]main.rs"
},
"profile": {
"debug_assertions": true,
"debuginfo": 2,
"opt_level": "0",
"overflow_checks": true,
"test": false
},
"executable": "[..]/foo/target/debug/foo[EXE]",
"features": [],
"filenames": "{...}",
"fresh": true
}
"#,
)
.run();
}
#[test]
fn wrong_message_format_option() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build --message-format XML")
.with_status(1)
.with_stderr_contains(
"\
error: 'XML' isn't a valid value for '--message-format <FMT>'
<tab>[possible values: human, json, short]
",
)
.run();
}
#[test]
fn message_format_json_forward_stderr() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/main.rs", "fn main() { let unused = 0; }")
.build();
p.cargo("rustc --release --bin foo --message-format JSON")
.with_json(
r#"
{
"reason":"compiler-message",
"package_id":"foo 0.5.0 ([..])",
"target":{
"kind":["bin"],
"crate_types":["bin"],
"edition": "2015",
"name":"foo",
"src_path":"[..]"
},
"message":"{...}"
}
{
"reason":"compiler-artifact",
"package_id":"foo 0.5.0 ([..])",
"target":{
"kind":["bin"],
"crate_types":["bin"],
"edition": "2015",
"name":"foo",
"src_path":"[..]"
},
"profile":{
"debug_assertions":false,
"debuginfo":null,
"opt_level":"3",
"overflow_checks": false,
"test":false
},
"executable": "{...}",
"features":[],
"filenames": "{...}",
"fresh": false
}
"#,
)
.run();
}
#[test]
fn no_warn_about_package_metadata() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
[package.metadata]
foo = "bar"
a = true
b = 3
[package.metadata.another]
bar = 3
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build")
.with_stderr(
"[..] foo v0.0.1 ([..])\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
}
#[test]
fn cargo_build_empty_target() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build --target")
.arg("")
.with_status(101)
.with_stderr_contains("[..] target was empty")
.run();
}
#[test]
fn build_all_workspace() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
[dependencies]
bar = { path = "bar" }
[workspace]
"#,
)
.file("src/main.rs", "fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("bar/src/lib.rs", "pub fn bar() {}")
.build();
p.cargo("build --all")
.with_stderr(
"[..] Compiling bar v0.1.0 ([..])\n\
[..] Compiling foo v0.1.0 ([..])\n\
[..] Finished dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
}
#[test]
fn build_all_exclude() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
[workspace]
members = ["bar", "baz"]
"#,
)
.file("src/main.rs", "fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("bar/src/lib.rs", "pub fn bar() {}")
.file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
.file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }")
.build();
p.cargo("build --all --exclude baz")
.with_stderr_contains("[..]Compiling foo v0.1.0 [..]")
.with_stderr_contains("[..]Compiling bar v0.1.0 [..]")
.with_stderr_does_not_contain("[..]Compiling baz v0.1.0 [..]")
.run();
}
#[test]
fn build_all_workspace_implicit_examples() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
[dependencies]
bar = { path = "bar" }
[workspace]
"#,
)
.file("src/lib.rs", "")
.file("src/bin/a.rs", "fn main() {}")
.file("src/bin/b.rs", "fn main() {}")
.file("examples/c.rs", "fn main() {}")
.file("examples/d.rs", "fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("bar/src/lib.rs", "")
.file("bar/src/bin/e.rs", "fn main() {}")
.file("bar/src/bin/f.rs", "fn main() {}")
.file("bar/examples/g.rs", "fn main() {}")
.file("bar/examples/h.rs", "fn main() {}")
.build();
p.cargo("build --all --examples")
.with_stderr(
"[..] Compiling bar v0.1.0 ([..])\n\
[..] Compiling foo v0.1.0 ([..])\n\
[..] Finished dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
assert!(!p.bin("a").is_file());
assert!(!p.bin("b").is_file());
assert!(p.bin("examples/c").is_file());
assert!(p.bin("examples/d").is_file());
assert!(!p.bin("e").is_file());
assert!(!p.bin("f").is_file());
assert!(p.bin("examples/g").is_file());
assert!(p.bin("examples/h").is_file());
}
#[test]
fn build_all_virtual_manifest() {
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["bar", "baz"]
"#,
)
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("bar/src/lib.rs", "pub fn bar() {}")
.file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
.file("baz/src/lib.rs", "pub fn baz() {}")
.build();
// The order in which bar and baz are built is not guaranteed
p.cargo("build --all")
.with_stderr_contains("[..] Compiling baz v0.1.0 ([..])")
.with_stderr_contains("[..] Compiling bar v0.1.0 ([..])")
.with_stderr(
"[..] Compiling [..] v0.1.0 ([..])\n\
[..] Compiling [..] v0.1.0 ([..])\n\
[..] Finished dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
}
#[test]
fn build_virtual_manifest_all_implied() {
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["bar", "baz"]
"#,
)
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("bar/src/lib.rs", "pub fn bar() {}")
.file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
.file("baz/src/lib.rs", "pub fn baz() {}")
.build();
// The order in which bar and baz are built is not guaranteed
p.cargo("build")
.with_stderr_contains("[..] Compiling baz v0.1.0 ([..])")
.with_stderr_contains("[..] Compiling bar v0.1.0 ([..])")
.with_stderr(
"[..] Compiling [..] v0.1.0 ([..])\n\
[..] Compiling [..] v0.1.0 ([..])\n\
[..] Finished dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
}
#[test]
fn build_virtual_manifest_one_project() {
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["bar", "baz"]
"#,
)
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("bar/src/lib.rs", "pub fn bar() {}")
.file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
.file("baz/src/lib.rs", "pub fn baz() {}")
.build();
p.cargo("build -p bar")
.with_stderr_does_not_contain("[..]baz[..]")
.with_stderr_contains("[..] Compiling bar v0.1.0 ([..])")
.with_stderr(
"[..] Compiling [..] v0.1.0 ([..])\n\
[..] Finished dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
}
#[test]
fn build_all_virtual_manifest_implicit_examples() {
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["bar", "baz"]
"#,
)
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
.file("bar/src/lib.rs", "")
.file("bar/src/bin/a.rs", "fn main() {}")
.file("bar/src/bin/b.rs", "fn main() {}")
.file("bar/examples/c.rs", "fn main() {}")
.file("bar/examples/d.rs", "fn main() {}")
.file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
.file("baz/src/lib.rs", "")
.file("baz/src/bin/e.rs", "fn main() {}")
.file("baz/src/bin/f.rs", "fn main() {}")
.file("baz/examples/g.rs", "fn main() {}")
.file("baz/examples/h.rs", "fn main() {}")
.build();
// The order in which bar and baz are built is not guaranteed
p.cargo("build --all --examples")
.with_stderr_contains("[..] Compiling baz v0.1.0 ([..])")
.with_stderr_contains("[..] Compiling bar v0.1.0 ([..])")
.with_stderr(
"[..] Compiling [..] v0.1.0 ([..])\n\
[..] Compiling [..] v0.1.0 ([..])\n\
[..] Finished dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
assert!(!p.bin("a").is_file());
assert!(!p.bin("b").is_file());
assert!(p.bin("examples/c").is_file());
assert!(p.bin("examples/d").is_file());
assert!(!p.bin("e").is_file());
assert!(!p.bin("f").is_file());
assert!(p.bin("examples/g").is_file());
assert!(p.bin("examples/h").is_file());
}
#[test]
fn build_all_member_dependency_same_name() {
let p = project()
.file(
"Cargo.toml",
r#"
[workspace]
members = ["a"]
"#,
)
.file(
"a/Cargo.toml",
r#"
[project]
name = "a"
version = "0.1.0"
[dependencies]
a = "0.1.0"
"#,
)
.file("a/src/lib.rs", "pub fn a() {}")
.build();
Package::new("a", "0.1.0").publish();
p.cargo("build --all")
.with_stderr(
"[UPDATING] `[..]` index\n\
[DOWNLOADING] crates ...\n\
[DOWNLOADED] a v0.1.0 ([..])\n\
[COMPILING] a v0.1.0\n\
[COMPILING] a v0.1.0 ([..])\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]\n",
)
.run();
}
#[test]
fn run_proper_binary() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[[bin]]
name = "main"
[[bin]]
name = "other"
"#,
)
.file("src/lib.rs", "")
.file(
"src/bin/main.rs",
r#"fn main() { panic!("This should never be run."); }"#,
)
.file("src/bin/other.rs", "fn main() {}")
.build();
p.cargo("run --bin other").run();
}
#[test]
fn run_proper_binary_main_rs() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/lib.rs", "")
.file("src/bin/main.rs", "fn main() {}")
.build();
p.cargo("run --bin foo").run();
}
#[test]
fn run_proper_alias_binary_from_src() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[[bin]]
name = "foo"
[[bin]]
name = "bar"
"#,
)
.file("src/foo.rs", r#"fn main() { println!("foo"); }"#)
.file("src/bar.rs", r#"fn main() { println!("bar"); }"#)
.build();
p.cargo("build --all").run();
p.process(&p.bin("foo")).with_stdout("foo\n").run();
p.process(&p.bin("bar")).with_stdout("bar\n").run();
}
#[test]
fn run_proper_alias_binary_main_rs() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.0"
[[bin]]
name = "foo"
[[bin]]
name = "bar"
"#,
)
.file("src/main.rs", r#"fn main() { println!("main"); }"#)
.build();
p.cargo("build --all").run();
p.process(&p.bin("foo")).with_stdout("main\n").run();
p.process(&p.bin("bar")).with_stdout("main\n").run();
}
#[test]
fn run_proper_binary_main_rs_as_foo() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file(
"src/foo.rs",
r#" fn main() { panic!("This should never be run."); }"#,
)
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("run --bin foo").run();
}
#[test]
fn rustc_wrapper() {
// We don't have /usr/bin/env on Windows.
if cfg!(windows) {
return;
}
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.build();
p.cargo("build -v")
.env("RUSTC_WRAPPER", "/usr/bin/env")
.with_stderr_contains("[RUNNING] `/usr/bin/env rustc --crate-name foo [..]")
.run();
}
#[test]
fn cdylib_not_lifted() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
authors = []
version = "0.1.0"
[lib]
crate-type = ["cdylib"]
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build").run();
let files = if cfg!(windows) {
vec!["foo.dll.lib", "foo.dll.exp", "foo.dll"]
} else if cfg!(target_os = "macos") {
vec!["libfoo.dylib"]
} else {
vec!["libfoo.so"]
};
for file in files {
println!("checking: {}", file);
assert!(p.root().join("target/debug/deps").join(&file).is_file());
}
}
#[test]
fn cdylib_final_outputs() {
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo-bar"
authors = []
version = "0.1.0"
[lib]
crate-type = ["cdylib"]
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build").run();
let files = if cfg!(windows) {
vec!["foo_bar.dll.lib", "foo_bar.dll"]
} else if cfg!(target_os = "macos") {
vec!["libfoo_bar.dylib"]
} else {
vec!["libfoo_bar.so"]
};
for file in files {
println!("checking: {}", file);
assert!(p.root().join("target/debug").join(&file).is_file());
}
}
#[test]
fn deterministic_cfg_flags() {
// This bug is non-deterministic
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
authors = []
build = "build.rs"
[features]
default = ["f_a", "f_b", "f_c", "f_d"]
f_a = []
f_b = []
f_c = []
f_d = []
"#,
)
.file(
"build.rs",
r#"
fn main() {
println!("cargo:rustc-cfg=cfg_a");
println!("cargo:rustc-cfg=cfg_b");
println!("cargo:rustc-cfg=cfg_c");
println!("cargo:rustc-cfg=cfg_d");
println!("cargo:rustc-cfg=cfg_e");
}
"#,
)
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build -v")
.with_stderr(
"\
[COMPILING] foo v0.1.0 [..]
[RUNNING] [..]
[RUNNING] [..]
[RUNNING] `rustc --crate-name foo [..] \
--cfg[..]default[..]--cfg[..]f_a[..]--cfg[..]f_b[..]\
--cfg[..]f_c[..]--cfg[..]f_d[..] \
--cfg cfg_a --cfg cfg_b --cfg cfg_c --cfg cfg_d --cfg cfg_e`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]",
)
.run();
}
#[test]
fn explicit_bins_without_paths() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
authors = []
[[bin]]
name = "foo"
[[bin]]
name = "bar"
"#,
)
.file("src/lib.rs", "")
.file("src/main.rs", "fn main() {}")
.file("src/bin/bar.rs", "fn main() {}")
.build();
p.cargo("build").run();
}
#[test]
fn no_bin_in_src_with_lib() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/lib.rs", "")
.file("src/foo.rs", "fn main() {}")
.build();
p.cargo("build")
.with_status(101)
.with_stderr_contains(
"\
[ERROR] failed to parse manifest at `[..]`
Caused by:
can't find `foo` bin, specify bin.path",
)
.run();
}
#[test]
fn inferred_bins() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file("src/bin/bar.rs", "fn main() {}")
.file("src/bin/baz/main.rs", "fn main() {}")
.build();
p.cargo("build").run();
assert!(p.bin("foo").is_file());
assert!(p.bin("bar").is_file());
assert!(p.bin("baz").is_file());
}
#[test]
fn inferred_bins_duplicate_name() {
// this should fail, because we have two binaries with the same name
let p = project()
.file("src/main.rs", "fn main() {}")
.file("src/bin/bar.rs", "fn main() {}")
.file("src/bin/bar/main.rs", "fn main() {}")
.build();
p.cargo("build").with_status(101).with_stderr_contains(
"[..]found duplicate binary name bar, but all binary targets must have a unique name[..]",
)
.run();
}
#[test]
fn inferred_bin_path() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
authors = []
[[bin]]
name = "bar"
# Note, no `path` key!
"#,
)
.file("src/bin/bar/main.rs", "fn main() {}")
.build();
p.cargo("build").run();
assert!(p.bin("bar").is_file());
}
#[test]
fn inferred_examples() {
let p = project()
.file("src/lib.rs", "fn main() {}")
.file("examples/bar.rs", "fn main() {}")
.file("examples/baz/main.rs", "fn main() {}")
.build();
p.cargo("test").run();
assert!(p.bin("examples/bar").is_file());
assert!(p.bin("examples/baz").is_file());
}
#[test]
fn inferred_tests() {
let p = project()
.file("src/lib.rs", "fn main() {}")
.file("tests/bar.rs", "fn main() {}")
.file("tests/baz/main.rs", "fn main() {}")
.build();
p.cargo("test --test=bar --test=baz").run();
}
#[test]
fn inferred_benchmarks() {
let p = project()
.file("src/lib.rs", "fn main() {}")
.file("benches/bar.rs", "fn main() {}")
.file("benches/baz/main.rs", "fn main() {}")
.build();
p.cargo("bench --bench=bar --bench=baz").run();
}
#[test]
fn target_edition() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
[lib]
edition = "2018"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build -v")
.without_status() // passes on nightly, fails on stable, b/c --edition is nightly-only
.with_stderr_contains(
"\
[COMPILING] foo v0.0.1 ([..])
[RUNNING] `rustc [..]--edition=2018 [..]
",
)
.run();
}
#[test]
fn target_edition_override() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.0.1"
authors = []
edition = "2018"
[lib]
edition = "2015"
"#,
)
.file(
"src/lib.rs",
"
pub fn async() {}
pub fn try() {}
pub fn await() {}
",
)
.build();
p.cargo("build -v").run();
}
#[test]
fn same_metadata_different_directory() {
// A top-level crate built in two different workspaces should have the
// same metadata hash.
let p = project()
.at("foo1")
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.build();
let output = t!(String::from_utf8(
t!(p.cargo("build -v").exec_with_output()).stderr,
));
let metadata = output
.split_whitespace()
.find(|arg| arg.starts_with("metadata="))
.unwrap();
let p = project()
.at("foo2")
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.build();
p.cargo("build -v")
.with_stderr_contains(format!("[..]{}[..]", metadata))
.run();
}
#[test]
fn building_a_dependent_crate_witout_bin_should_fail() {
Package::new("testless", "0.1.0")
.file(
"Cargo.toml",
r#"
[project]
name = "testless"
version = "0.1.0"
[[bin]]
name = "a_bin"
"#,
)
.file("src/lib.rs", "")
.publish();
let p = project()
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.1.0"
[dependencies]
testless = "0.1.0"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("build")
.with_status(101)
.with_stderr_contains("[..]can't find `a_bin` bin, specify bin.path")
.run();
}
#[test]
fn uplift_dsym_of_bin_on_mac() {
if !cfg!(any(target_os = "macos", target_os = "ios")) {
return;
}
let p = project()
.file("src/main.rs", "fn main() { panic!(); }")
.file("src/bin/b.rs", "fn main() { panic!(); }")
.file("examples/c.rs", "fn main() { panic!(); }")
.file("tests/d.rs", "fn main() { panic!(); }")
.build();
p.cargo("build --bins --examples --tests").run();
assert!(p.bin("foo.dSYM").is_dir());
assert!(p.bin("b.dSYM").is_dir());
assert!(p
.bin("b.dSYM")
.symlink_metadata()
.expect("read metadata from b.dSYM")
.file_type()
.is_symlink());
assert!(!p.bin("c.dSYM").is_dir());
assert!(!p.bin("d.dSYM").is_dir());
}
#[test]
fn uplift_pdb_of_bin_on_windows() {
if !cfg!(all(target_os = "windows", target_env = "msvc")) {
return;
}
let p = project()
.file("src/main.rs", "fn main() { panic!(); }")
.file("src/bin/b.rs", "fn main() { panic!(); }")
.file("examples/c.rs", "fn main() { panic!(); }")
.file("tests/d.rs", "fn main() { panic!(); }")
.build();
p.cargo("build --bins --examples --tests").run();
assert!(p.target_debug_dir().join("foo.pdb").is_file());
assert!(p.target_debug_dir().join("b.pdb").is_file());
assert!(!p.target_debug_dir().join("c.pdb").is_file());
assert!(!p.target_debug_dir().join("d.pdb").is_file());
}
// Make sure that `cargo build` chooses the correct profile for building
// targets based on filters (assuming --profile is not specified).
#[test]
fn build_filter_infer_profile() {
let p = project()
.file("src/lib.rs", "")
.file("src/main.rs", "fn main() {}")
.file("tests/t1.rs", "")
.file("benches/b1.rs", "")
.file("examples/ex1.rs", "fn main() {}")
.build();
p.cargo("build -v")
.with_stderr_contains(
"[RUNNING] `rustc --crate-name foo src/lib.rs --color never --crate-type lib \
--emit=dep-info,link[..]",
)
.with_stderr_contains(
"[RUNNING] `rustc --crate-name foo src/main.rs --color never --crate-type bin \
--emit=dep-info,link[..]",
)
.run();
p.root().join("target").rm_rf();
p.cargo("build -v --test=t1")
.with_stderr_contains(
"[RUNNING] `rustc --crate-name foo src/lib.rs --color never --crate-type lib \
--emit=dep-info,link -C debuginfo=2 [..]",
)
.with_stderr_contains(
"[RUNNING] `rustc --crate-name t1 tests/t1.rs --color never --emit=dep-info,link \
-C debuginfo=2 [..]",
)
.with_stderr_contains(
"[RUNNING] `rustc --crate-name foo src/main.rs --color never --crate-type bin \
--emit=dep-info,link -C debuginfo=2 [..]",
)
.run();
p.root().join("target").rm_rf();
// Bench uses test profile without `--release`.
p.cargo("build -v --bench=b1")
.with_stderr_contains(
"[RUNNING] `rustc --crate-name foo src/lib.rs --color never --crate-type lib \
--emit=dep-info,link -C debuginfo=2 [..]",
)
.with_stderr_contains(
"[RUNNING] `rustc --crate-name b1 benches/b1.rs --color never --emit=dep-info,link \
-C debuginfo=2 [..]",
)
.with_stderr_does_not_contain("opt-level")
.with_stderr_contains(
"[RUNNING] `rustc --crate-name foo src/main.rs --color never --crate-type bin \
--emit=dep-info,link -C debuginfo=2 [..]",
)
.run();
}
#[test]
fn targets_selected_default() {
let p = project().file("src/main.rs", "fn main() {}").build();
p.cargo("build -v")
// bin
.with_stderr_contains(
"\
[RUNNING] `rustc --crate-name foo src/main.rs --color never --crate-type bin \
--emit=dep-info,link[..]",
)
// bench
.with_stderr_does_not_contain(
"\
[RUNNING] `rustc --crate-name foo src/main.rs --color never --emit=dep-info,link \
-C opt-level=3 --test [..]",
)
// unit test
.with_stderr_does_not_contain(
"\
[RUNNING] `rustc --crate-name foo src/main.rs --color never --emit=dep-info,link \
-C debuginfo=2 --test [..]",
)
.run();
}
#[test]
fn targets_selected_all() {
let p = project().file("src/main.rs", "fn main() {}").build();
p.cargo("build -v --all-targets")
// bin
.with_stderr_contains(
"\
[RUNNING] `rustc --crate-name foo src/main.rs --color never --crate-type bin \
--emit=dep-info,link[..]",
)
// unit test
.with_stderr_contains(
"\
[RUNNING] `rustc --crate-name foo src/main.rs --color never --emit=dep-info,link \
-C debuginfo=2 --test [..]",
)
.run();
}
#[test]
fn all_targets_no_lib() {
let p = project().file("src/main.rs", "fn main() {}").build();
p.cargo("build -v --all-targets")
// bin
.with_stderr_contains(
"\
[RUNNING] `rustc --crate-name foo src/main.rs --color never --crate-type bin \
--emit=dep-info,link[..]",
)
// unit test
.with_stderr_contains(
"\
[RUNNING] `rustc --crate-name foo src/main.rs --color never --emit=dep-info,link \
-C debuginfo=2 --test [..]",
)
.run();
}
#[test]
fn no_linkable_target() {
// Issue 3169. This is currently not an error as per discussion in PR #4797
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
authors = []
[dependencies]
the_lib = { path = "the_lib" }
"#,
)
.file("src/main.rs", "fn main() {}")
.file(
"the_lib/Cargo.toml",
r#"
[package]
name = "the_lib"
version = "0.1.0"
[lib]
name = "the_lib"
crate-type = ["staticlib"]
"#,
)
.file("the_lib/src/lib.rs", "pub fn foo() {}")
.build();
p.cargo("build")
.with_stderr_contains(
"\
[WARNING] The package `the_lib` provides no linkable [..] \
while compiling `foo`. [..] in `the_lib`'s Cargo.toml. [..]",
)
.run();
}
#[test]
fn avoid_dev_deps() {
Package::new("foo", "1.0.0").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.1.0"
authors = []
[dev-dependencies]
baz = "1.0.0"
"#,
)
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build")
.with_status(101)
.with_stderr(
"\
[UPDATING] [..]
[ERROR] no matching package named `baz` found
location searched: registry `https://github.com/rust-lang/crates.io-index`
required by package `bar v0.1.0 ([..]/foo)`
",
)
.run();
p.cargo("build -Zavoid-dev-deps")
.masquerade_as_nightly_cargo()
.run();
}
#[test]
fn invalid_jobs() {
let p = project()
.file("Cargo.toml", &basic_bin_manifest("foo"))
.file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
.build();
p.cargo("build --jobs over9000")
.with_status(1)
.with_stderr("error: Invalid value: could not parse `over9000` as a number")
.run();
}
#[test]
fn target_filters_workspace() {
let ws = project()
.at("ws")
.file(
"Cargo.toml",
r#"
[workspace]
members = ["a", "b"]
"#,
)
.file("a/Cargo.toml", &basic_lib_manifest("a"))
.file("a/src/lib.rs", "")
.file("a/examples/ex1.rs", "fn main() {}")
.file("b/Cargo.toml", &basic_bin_manifest("b"))
.file("b/src/lib.rs", "")
.file("b/src/main.rs", "fn main() {}")
.build();
ws.cargo("build -v --example ex")
.with_status(101)
.with_stderr(
"\
[ERROR] no example target named `ex`
Did you mean `ex1`?",
)
.run();
ws.cargo("build -v --lib")
.with_status(0)
.with_stderr_contains("[RUNNING] `rustc [..]a/src/lib.rs[..]")
.with_stderr_contains("[RUNNING] `rustc [..]b/src/lib.rs[..]")
.run();
ws.cargo("build -v --example ex1")
.with_status(0)
.with_stderr_contains("[RUNNING] `rustc [..]a/examples/ex1.rs[..]")
.run();
}
#[test]
fn target_filters_workspace_not_found() {
let ws = project()
.at("ws")
.file(
"Cargo.toml",
r#"
[workspace]
members = ["a", "b"]
"#,
)
.file("a/Cargo.toml", &basic_bin_manifest("a"))
.file("a/src/main.rs", "fn main() {}")
.file("b/Cargo.toml", &basic_bin_manifest("b"))
.file("b/src/main.rs", "fn main() {}")
.build();
ws.cargo("build -v --lib")
.with_status(101)
.with_stderr("[ERROR] no library targets found in packages: a, b")
.run();
}
#[cfg(unix)]
#[test]
fn signal_display() {
// Cause the compiler to crash with a signal.
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
[dependencies]
pm = { path = "pm" }
"#,
)
.file(
"src/lib.rs",
r#"
#[macro_use]
extern crate pm;
#[derive(Foo)]
pub struct S;
"#,
)
.file(
"pm/Cargo.toml",
r#"
[package]
name = "pm"
version = "0.1.0"
[lib]
proc-macro = true
"#,
)
.file(
"pm/src/lib.rs",
r#"
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_derive(Foo)]
pub fn derive(_input: TokenStream) -> TokenStream {
std::process::abort()
}
"#,
)
.build();
foo.cargo("build")
.with_stderr(
"\
[COMPILING] pm [..]
[COMPILING] foo [..]
[ERROR] Could not compile `foo`.
Caused by:
process didn't exit successfully: `rustc [..]` (signal: 6, SIGABRT: process abort signal)
",
)
.with_status(101)
.run();
}
#[test]
fn json_parse_fail() {
// Ensure when json parsing fails, and rustc exits with non-zero exit
// code, that a useful error message is displayed.
let foo = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
[dependencies]
pm = { path = "pm" }
"#,
)
.file(
"src/lib.rs",
r#"
#[macro_use]
extern crate pm;
#[derive(Foo)]
pub struct S;
"#,
)
.file(
"pm/Cargo.toml",
r#"
[package]
name = "pm"
version = "0.1.0"
[lib]
proc-macro = true
"#,
)
.file(
"pm/src/lib.rs",
r#"
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_derive(Foo)]
pub fn derive(_input: TokenStream) -> TokenStream {
eprintln!("{{evil proc macro}}");
panic!("something went wrong");
}
"#,
)
.build();
foo.cargo("build --message-format=json")
.with_stderr(
"\
[COMPILING] pm [..]
[COMPILING] foo [..]
[ERROR] Could not compile `foo`.
Caused by:
compiler produced invalid json: `{evil proc macro}`
Caused by:
failed to parse process output: `rustc [..]
",
)
.with_status(101)
.run();
}
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