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

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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@ -5,11 +5,9 @@
package code
import (
"os"
"testing"
"code.gitea.io/gitea/models/unittest"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
)
@ -17,13 +15,7 @@ import (
func TestBleveIndexAndSearch(t *testing.T) {
unittest.PrepareTestEnv(t)
dir, err := os.MkdirTemp("", "bleve.index")
assert.NoError(t, err)
if err != nil {
assert.Fail(t, "Unable to create temporary directory")
return
}
defer util.RemoveAll(dir)
dir := t.TempDir()
idx, _, err := NewBleveIndexer(dir)
if err != nil {