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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GPG key ID: 4AEE18F83AFDEB23
24 changed files with 57 additions and 194 deletions

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@ -14,7 +14,6 @@ import (
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/routers"
"code.gitea.io/gitea/tests"
@ -70,13 +69,7 @@ func TestSessionFileCreation(t *testing.T) {
config.Provider = "file"
// Now create a temporaryDirectory
tmpDir, err := os.MkdirTemp("", "sessions")
assert.NoError(t, err)
defer func() {
if _, err := os.Stat(tmpDir); !os.IsNotExist(err) {
_ = util.RemoveAll(tmpDir)
}
}()
tmpDir := t.TempDir()
config.ProviderConfig = tmpDir
newConfigBytes, err := json.Marshal(config)