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test: use T.TempDir to create temporary test directory (#21043)

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A testing cleanup. 

This pull request replaces `os.MkdirTemp` with `t.TempDir`. We can use the `T.TempDir` function from the `testing` package to create temporary directory. The directory created by `T.TempDir` is automatically removed when the test and all its subtests complete. 

This saves us at least 2 lines (error check, and cleanup) on every instance, or in some cases adds cleanup that we forgot.

Reference: https://pkg.go.dev/testing#T.TempDir

```go
func TestFoo(t *testing.T) {
	// before
	tmpDir, err := os.MkdirTemp("", "")
	require.NoError(t, err)
	defer os.RemoveAll(tmpDir)

	// now
	tmpDir := t.TempDir()
}
```

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
This commit is contained in:
Eng Zer Jun 2022-09-04 23:14:53 +08:00 • committed by GitHub
parent c722a26e7e
commit 8b0aaa5f86
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24 changed files with 57 additions and 194 deletions
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20
modules/log/file_test.go
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@ -14,15 +14,11 @@ import (
"testing"
"time"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
)
func TestFileLoggerFails(t *testing.T) {
tmpDir, err := os.MkdirTemp("", "TestFileLogger")
assert.NoError(t, err)
defer util.RemoveAll(tmpDir)
tmpDir := t.TempDir()
prefix := "TestPrefix "
level := INFO
@ -34,7 +30,7 @@ func TestFileLoggerFails(t *testing.T) {
// assert.True(t, ok)
// Fail if there is bad json
err = fileLogger.Init("{")
err := fileLogger.Init("{")
assert.Error(t, err)
// Fail if there is no filename
@ -47,9 +43,7 @@ func TestFileLoggerFails(t *testing.T) {
}
func TestFileLogger(t *testing.T) {
tmpDir, err := os.MkdirTemp("", "TestFileLogger")
assert.NoError(t, err)
defer util.RemoveAll(tmpDir)
tmpDir := t.TempDir()
prefix := "TestPrefix "
level := INFO
@ -150,9 +144,7 @@ func TestFileLogger(t *testing.T) {
}
func TestCompressFileLogger(t *testing.T) {
tmpDir, err := os.MkdirTemp("", "TestFileLogger")
assert.NoError(t, err)
defer util.RemoveAll(tmpDir)
tmpDir := t.TempDir()
prefix := "TestPrefix "
level := INFO
@ -210,9 +202,7 @@ func TestCompressFileLogger(t *testing.T) {
}
func TestCompressOldFile(t *testing.T) {
tmpDir, err := os.MkdirTemp("", "TestFileLogger")
assert.NoError(t, err)
defer util.RemoveAll(tmpDir)
tmpDir := t.TempDir()
fname := filepath.Join(tmpDir, "test")
nonGzip := filepath.Join(tmpDir, "test-nonGzip")