Function TestBuildFormdata

internal/cmdutil/fileupload_test.go:265–392

(t *testing.T)

}

func TestBuildFormdata(t *testing.T) {
	fio := &localfileio.LocalFileIO{}

	t.Run("stdin success", func(t *testing.T) {
		stdin := bytes.NewReader([]byte("file-content-here"))
		fd, err := BuildFormdata(fio, "file", "", true, stdin, nil)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		if fd == nil {
			t.Fatal("expected non-nil Formdata")
		}
	})

	t.Run("stdin nil reader", func(t *testing.T) {
		_, err := BuildFormdata(fio, "file", "", true, nil, nil)
		if err == nil {
			t.Fatal("expected error for nil stdin")
		}
		if !strings.Contains(err.Error(), "stdin is not available") {
			t.Errorf("error = %q, want containing %q", err.Error(), "stdin is not available")
		}
		requireFileValidationError(t, err, errs.SubtypeFailedPrecondition)
	})

	t.Run("stdin read failure", func(t *testing.T) {
		readErr := errors.New("pipe closed")
		_, err := BuildFormdata(fio, "file", "", true, &failingReader{err: readErr}, nil)
		if err == nil {
			t.Fatal("expected error for failing stdin reader")
		}
		requireFileValidationError(t, err, errs.SubtypeInvalidArgument)
		if !errors.Is(err, readErr) {
			t.Error("underlying read error not reachable via errors.Is; WithCause missing")
		}
	})

	t.Run("stdin empty", func(t *testing.T) {
		stdin := bytes.NewReader([]byte{})
		_, err := BuildFormdata(fio, "file", "", true, stdin, nil)
		if err == nil {
			t.Fatal("expected error for empty stdin")
		}
		if !strings.Contains(err.Error(), "stdin is empty") {
			t.Errorf("error = %q, want containing %q", err.Error(), "stdin is empty")
		}
		requireFileValidationError(t, err, errs.SubtypeInvalidArgument)
	})

	t.Run("file open success", func(t *testing.T) {
		dir := t.TempDir()
		TestChdir(t, dir)

		if err := os.WriteFile(filepath.Join(dir, "test.txt"), []byte("hello"), 0600); err != nil {
			t.Fatalf("failed to create test file: %v", err)
		}

		fd, err := BuildFormdata(fio, "photo", "test.txt", false, nil, nil)