Function TestAtomicWriteFile

internal/fileutil/fileutil_test.go:29–60

TestAtomicWriteFile tests the happy path of AtomicWriteFile function. It verifies that the function correctly writes content to a file with the specified mode.

(t *testing.T)

// TestAtomicWriteFile tests the happy path of AtomicWriteFile function.
// It verifies that the function correctly writes content to a file with the specified mode.
func TestAtomicWriteFile(t *testing.T) {
	dir := t.TempDir()

	testpath := filepath.Join(dir, "test")
	stringContent := "Test content"
	reader := bytes.NewReader([]byte(stringContent))
	mode := os.FileMode(0644)

	err := AtomicWriteFile(testpath, reader, mode)
	if err != nil {
		t.Errorf("AtomicWriteFile error: %s", err)
	}

	got, err := os.ReadFile(testpath)
	if err != nil {
		t.Fatal(err)
	}

	if stringContent != string(got) {
		t.Fatalf("expected: %s, got: %s", stringContent, string(got))
	}

	gotinfo, err := os.Stat(testpath)
	if err != nil {
		t.Fatal(err)
	}

	if mode != gotinfo.Mode() {
		t.Fatalf("expected %s: to be the same mode as %s",
			mode, gotinfo.Mode())
	}
}

// TestAtomicWriteFile_CreateTempError tests the error path when os.CreateTemp fails
func TestAtomicWriteFile_CreateTempError(t *testing.T) {