109 lines
2.8 KiB
Go
109 lines
2.8 KiB
Go
package options
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import (
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"reflect"
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"strings"
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"testing"
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_ "github.com/docker/libnetwork/testutils"
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)
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func TestGenerate(t *testing.T) {
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gen := NewGeneric()
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gen["Int"] = 1
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gen["Rune"] = 'b'
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gen["Float64"] = 2.0
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type Model struct {
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Int int
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Rune rune
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Float64 float64
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}
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result, err := GenerateFromModel(gen, Model{})
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if err != nil {
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t.Fatal(err)
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}
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cast, ok := result.(Model)
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if !ok {
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t.Fatalf("result has unexpected type %s", reflect.TypeOf(result))
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}
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if expected := 1; cast.Int != expected {
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t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Int)
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}
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if expected := 'b'; cast.Rune != expected {
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t.Fatalf("wrong value for field Rune: expected %v, got %v", expected, cast.Rune)
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}
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if expected := 2.0; cast.Float64 != expected {
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t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Float64)
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}
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}
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func TestGeneratePtr(t *testing.T) {
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gen := NewGeneric()
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gen["Int"] = 1
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gen["Rune"] = 'b'
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gen["Float64"] = 2.0
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type Model struct {
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Int int
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Rune rune
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Float64 float64
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}
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result, err := GenerateFromModel(gen, &Model{})
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if err != nil {
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t.Fatal(err)
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}
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cast, ok := result.(*Model)
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if !ok {
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t.Fatalf("result has unexpected type %s", reflect.TypeOf(result))
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}
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if expected := 1; cast.Int != expected {
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t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Int)
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}
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if expected := 'b'; cast.Rune != expected {
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t.Fatalf("wrong value for field Rune: expected %v, got %v", expected, cast.Rune)
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}
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if expected := 2.0; cast.Float64 != expected {
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t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Float64)
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}
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}
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func TestGenerateMissingField(t *testing.T) {
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type Model struct{}
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_, err := GenerateFromModel(Generic{"foo": "bar"}, Model{})
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if _, ok := err.(NoSuchFieldError); !ok {
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t.Fatalf("expected NoSuchFieldError, got %#v", err)
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} else if expected := "no field"; !strings.Contains(err.Error(), expected) {
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t.Fatalf("expected %q in error message, got %s", expected, err.Error())
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}
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}
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func TestFieldCannotBeSet(t *testing.T) {
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type Model struct{ foo int }
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_, err := GenerateFromModel(Generic{"foo": "bar"}, Model{})
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if _, ok := err.(CannotSetFieldError); !ok {
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t.Fatalf("expected CannotSetFieldError, got %#v", err)
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} else if expected := "cannot set field"; !strings.Contains(err.Error(), expected) {
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t.Fatalf("expected %q in error message, got %s", expected, err.Error())
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}
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}
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func TestTypeMismatchError(t *testing.T) {
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type Model struct{ Foo int }
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_, err := GenerateFromModel(Generic{"Foo": "bar"}, Model{})
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if _, ok := err.(TypeMismatchError); !ok {
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t.Fatalf("expected TypeMismatchError, got %#v", err)
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} else if expected := "type mismatch"; !strings.Contains(err.Error(), expected) {
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t.Fatalf("expected %q in error message, got %s", expected, err.Error())
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}
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}
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