cfcbb4227f
This does not yet include support for the //go:embed directive added in this release. * Makefile.am (check-runtime): Don't create check-runtime-dir. (mostlyclean-local): Don't remove check-runtime-dir. (check-go-tool, check-vet): Copy in go.mod and modules.txt. (check-cgo-test, check-carchive-test): Add go.mod file. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/280172
112 lines
2.4 KiB
Go
112 lines
2.4 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package testing_test
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// This is exactly what a test would do without a TestMain.
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// It's here only so that there is at least one package in the
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// standard library with a TestMain, so that code is executed.
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func TestMain(m *testing.M) {
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os.Exit(m.Run())
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}
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func TestTempDirInCleanup(t *testing.T) {
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var dir string
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t.Run("test", func(t *testing.T) {
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t.Cleanup(func() {
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dir = t.TempDir()
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})
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_ = t.TempDir()
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})
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fi, err := os.Stat(dir)
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if fi != nil {
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t.Fatalf("Directory %q from user Cleanup still exists", dir)
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}
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if !os.IsNotExist(err) {
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t.Fatalf("Unexpected error: %v", err)
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}
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}
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func TestTempDirInBenchmark(t *testing.T) {
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testing.Benchmark(func(b *testing.B) {
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if !b.Run("test", func(b *testing.B) {
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// Add a loop so that the test won't fail. See issue 38677.
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for i := 0; i < b.N; i++ {
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_ = b.TempDir()
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}
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}) {
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t.Fatal("Sub test failure in a benchmark")
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}
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})
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}
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func TestTempDir(t *testing.T) {
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testTempDir(t)
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t.Run("InSubtest", testTempDir)
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t.Run("test/subtest", testTempDir)
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t.Run("test\\subtest", testTempDir)
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t.Run("test:subtest", testTempDir)
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t.Run("test/..", testTempDir)
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t.Run("../test", testTempDir)
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}
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func testTempDir(t *testing.T) {
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dirCh := make(chan string, 1)
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t.Cleanup(func() {
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// Verify directory has been removed.
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select {
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case dir := <-dirCh:
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fi, err := os.Stat(dir)
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if os.IsNotExist(err) {
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// All good
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return
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}
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if err != nil {
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t.Fatal(err)
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}
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t.Errorf("directory %q stil exists: %v, isDir=%v", dir, fi, fi.IsDir())
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default:
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if !t.Failed() {
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t.Fatal("never received dir channel")
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}
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}
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})
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dir := t.TempDir()
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if dir == "" {
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t.Fatal("expected dir")
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}
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dir2 := t.TempDir()
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if dir == dir2 {
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t.Fatal("subsequent calls to TempDir returned the same directory")
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}
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if filepath.Dir(dir) != filepath.Dir(dir2) {
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t.Fatalf("calls to TempDir do not share a parent; got %q, %q", dir, dir2)
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}
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dirCh <- dir
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fi, err := os.Stat(dir)
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if err != nil {
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t.Fatal(err)
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}
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if !fi.IsDir() {
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t.Errorf("dir %q is not a dir", dir)
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}
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files, err := os.ReadDir(dir)
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if err != nil {
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t.Fatal(err)
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}
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if len(files) > 0 {
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t.Errorf("unexpected %d files in TempDir: %v", len(files), files)
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}
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}
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