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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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GPG key ID: 4AEE18F83AFDEB23
24 changed files with 57 additions and 194 deletions
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8
modules/git/repo_compare_test.go
View file

@ -10,19 +10,16 @@ import (
"path/filepath"
"testing"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
)
func TestGetFormatPatch(t *testing.T) {
bareRepo1Path := filepath.Join(testReposDir, "repo1_bare")
clonedPath, err := cloneRepo(bareRepo1Path, "repo1_TestGetFormatPatch")
clonedPath, err := cloneRepo(t, bareRepo1Path)
if err != nil {
assert.NoError(t, err)
return
}
defer util.RemoveAll(clonedPath)
repo, err := openRepositoryWithDefaultContext(clonedPath)
if err != nil {
@ -84,12 +81,11 @@ func TestReadWritePullHead(t *testing.T) {
bareRepo1Path := filepath.Join(testReposDir, "repo1_bare")
// As we are writing we should clone the repository first
clonedPath, err := cloneRepo(bareRepo1Path, "TestReadWritePullHead")
clonedPath, err := cloneRepo(t, bareRepo1Path)
if err != nil {
assert.NoError(t, err)
return
}
defer util.RemoveAll(clonedPath)
repo, err := openRepositoryWithDefaultContext(clonedPath)
if err != nil {