Function checkRcloneBinaryVersion

cmd/gitannex/e2e_test.go:25–53

checkRcloneBinaryVersion runs whichever rclone is on the PATH and checks whether it reports a version that matches the test's expectations. Returns nil when the version is the expected version, otherwise returns an error.

(t *testing.T)

// whether it reports a version that matches the test's expectations. Returns
// nil when the version is the expected version, otherwise returns an error.
func checkRcloneBinaryVersion(t *testing.T) error {
	// versionInfo is a subset of information produced by "core/version".
	type versionInfo struct {
		Version string
		IsGit   bool
		GoTags  string
	}

	cmd := exec.Command("rclone", "rc", "--loopback", "core/version")
	stdout, err := cmd.Output()
	require.NoError(t, err)

	var parsed versionInfo
	if err := json.Unmarshal(stdout, &parsed); err != nil {
		return fmt.Errorf("failed to parse rclone version: %w", err)
	}
	if parsed.Version != fs.Version {
		return fmt.Errorf("expected version %q, but got %q", fs.Version, parsed.Version)
	}
	if parsed.IsGit != strings.HasSuffix(fs.Version, "-DEV") {
		return errors.New("expected rclone to be a dev build")
	}
	_, tagString := buildinfo.GetLinkingAndTags()
	if parsed.GoTags != tagString {
		// TODO: Skip the test when tags do not match.
		t.Logf("expected tag string %q, but got %q. Not skipping!", tagString, parsed.GoTags)
	}
	return nil
}

// countFilesRecursively returns the number of files nested underneath `dir`. It
// counts files only and excludes directories.