Test WASI on CI

.github/workflows/ci.yml

@@ -41,6 +41,17 @@ jobs:
       - run: cargo bench
         if: startsWith(matrix.rust, 'nightly')
 
+  wasi:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Rust
+        run: rustup update stable
+      - uses: taiki-e/setup-cross-toolchain-action@v1
+        with:
+          target: wasm32-wasi
+      - run: cargo test --target wasm32-wasi
+
   msrv:
     runs-on: ubuntu-latest
     strategy:

Cargo.toml

@@ -14,10 +14,10 @@ keywords = ["simple", "fast", "rand", "random", "wyrand"]
 categories = ["algorithms"]
 exclude = ["/.*"]
 
-[target.'cfg(target_arch = "wasm32")'.dependencies]
+[target.'cfg(all(target_arch = "wasm32", not(target_os = "wasi")))'.dependencies]
 instant = "0.1"
 
-[target.'cfg(target_arch = "wasm32")'.dev-dependencies]
+[target.'cfg(all(target_arch = "wasm32", not(target_os = "wasi")))'.dev-dependencies]
 instant = { version = "0.1", features = ["wasm-bindgen"] }
 wasm-bindgen-test = "0.3"
 getrandom = { version = "0.2", features = ["js"] }

src/lib.rs

@@ -75,9 +75,9 @@ use std::hash::{Hash, Hasher};
 use std::ops::{Bound, RangeBounds};
 use std::thread;
 
-#[cfg(target_arch = "wasm32")]
+#[cfg(all(target_arch = "wasm32", not(target_os = "wasi")))]
 use instant::Instant;
-#[cfg(not(target_arch = "wasm32"))]
+#[cfg(not(all(target_arch = "wasm32", not(target_os = "wasi"))))]
 use std::time::Instant;
 
 /// A random number generator.

tests/smoke.rs

@@ -1,7 +1,7 @@
-#[cfg(target_family = "wasm")]
+#[cfg(all(target_family = "wasm", not(target_os = "wasi")))]
 use wasm_bindgen_test::wasm_bindgen_test as test;
 
-#[cfg(target_family = "wasm")]
+#[cfg(all(target_family = "wasm", not(target_os = "wasi")))]
 wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
 
 #[test]