Use T.TempDir() in tests.

Author: tristanmorgan

Diff for: decompress_tar_test.go

@@ -78,14 +78,11 @@ func TestTarLimits(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	td, err := os.MkdirTemp("", "getter")
-	if err != nil {
-		t.Fatalf("err: %s", err)
-	}
+	td := t.TempDir()
 
 	tarFilePath := filepath.Join(td, "input.tar")
 
-	err = os.WriteFile(tarFilePath, b.Bytes(), 0666)
+	err := os.WriteFile(tarFilePath, b.Bytes(), 0666)
 	if err != nil {
 		t.Fatalf("err: %s", err)
 	}
@@ -129,15 +126,12 @@ func TestTarLimits(t *testing.T) {
 
 // testDecompressPermissions decompresses a directory and checks the permissions of the expanded files
 func testDecompressorPermissions(t *testing.T, d Decompressor, input string, expected map[string]int, umask os.FileMode) {
-	td, err := os.MkdirTemp("", "getter")
-	if err != nil {
-		t.Fatalf("err: %s", err)
-	}
+	td := t.TempDir()
 
 	// Destination is always joining result so that we have a new path
 	dst := filepath.Join(td, "subdir", "result")
 
-	err = d.Decompress(dst, input, true, umask)
+	err := d.Decompress(dst, input, true, umask)
 	if err != nil {
 		t.Fatalf("err: %s", err)
 	}

Diff for: decompress_zip_test.go

@@ -165,14 +165,11 @@ func TestDecompressZipBomb(t *testing.T) {
 		}
 	}
 
-	td, err := os.MkdirTemp("", "go-getter-zip")
-	if err != nil {
-		t.Fatalf("err: %s", err)
-	}
+	td := t.TempDir()
 
 	zipFilePath := filepath.Join(td, "input.zip")
 
-	err = os.WriteFile(zipFilePath, buf.Bytes(), 0666)
+	err := os.WriteFile(zipFilePath, buf.Bytes(), 0666)
 	if err != nil {
 		t.Fatalf("err: %s", err)
 	}

Diff for: detect_file_unix_test.go

@@ -11,16 +11,13 @@ import (
 // If a relative symlink is passed in as the pwd to Detect, the resulting URL
 // can have an invalid path.
 func TestFileDetector_relativeSymlink(t *testing.T) {
-	tmpDir, err := os.MkdirTemp("", "go-getter")
-	if err != nil {
-		t.Fatal(err)
-	}
+	tmpDir := t.TempDir()
 
 	defer os.RemoveAll(tmpDir)
 
 	// We may have a symlinked tmp dir,
 	// e.g. OSX uses /var -> /private/var
-	tmpDir, err = filepath.EvalSymlinks(tmpDir)
+	tmpDir, err := filepath.EvalSymlinks(tmpDir)
 	if err != nil {
 		t.Fatal(err)
 	}

Diff for: get_git_test.go

@@ -417,14 +417,11 @@ func TestGitGetter_gitVersion(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		t.Skip("skipping on windows since the test requires sh")
 	}
-	dir, err := os.MkdirTemp("", "go-getter")
-	if err != nil {
-		t.Fatal(err)
-	}
+	dir := t.TempDir()
 	defer os.RemoveAll(dir)
 
 	script := filepath.Join(dir, "git")
-	err = os.WriteFile(
+	err := os.WriteFile(
 		script,
 		[]byte("#!/bin/sh\necho \"git version 2.0 (Some Metadata Here)\n\""),
 		0700)
@@ -992,10 +989,7 @@ type gitRepo struct {
 
 // testGitRepo creates a new test git repository.
 func testGitRepo(t *testing.T, name string) *gitRepo {
-	dir, err := os.MkdirTemp("", "go-getter")
-	if err != nil {
-		t.Fatal(err)
-	}
+	dir := t.TempDir()
 	dir = filepath.Join(dir, name)
 	if err := os.Mkdir(dir, 0700); err != nil {
 		t.Fatal(err)

Diff for: get_http_test.go

@@ -757,10 +757,7 @@ func TestHttpGetter_subdirLink(t *testing.T) {
 	defer ln.Close()
 
 	httpGetter := new(HttpGetter)
-	dst, err := os.MkdirTemp("", "tf")
-	if err != nil {
-		t.Fatalf("err: %s", err)
-	}
+	dst := t.TempDir()
 
 	t.Logf("dst: %q", dst)
 
@@ -780,7 +777,7 @@ func TestHttpGetter_subdirLink(t *testing.T) {
 		},
 	}
 
-	err = client.Get()
+	err := client.Get()
 	if err != nil {
 		t.Fatalf("get err: %v", err)
 	}

Diff for: source_test.go

@@ -53,10 +53,7 @@ func TestSourceDirSubdir(t *testing.T) {
 }
 
 func TestSourceSubdirGlob(t *testing.T) {
-	td, err := os.MkdirTemp("", "subdir-glob")
-	if err != nil {
-		t.Fatal(err)
-	}
+	td := t.TempDir()
 	defer os.RemoveAll(td)
 
 	if err := os.Mkdir(filepath.Join(td, "subdir"), 0755); err != nil {