Function TestValidateCandidate

cli-plugins/manager/candidate_test.go:32–164

(t *testing.T)

}

func TestValidateCandidate(t *testing.T) {
	const (
		goodPluginName = metadata.NamePrefix + "goodplugin"
		builtinName    = metadata.NamePrefix + "builtin"
		builtinAlias   = metadata.NamePrefix + "alias"

		badPrefixPath  = "/usr/local/libexec/cli-plugins/wobble"
		badNamePath    = "/usr/local/libexec/cli-plugins/docker-123456"
		goodPluginPath = "/usr/local/libexec/cli-plugins/" + goodPluginName
	)

	fakeroot := &cobra.Command{Use: "docker"}
	fakeroot.AddCommand(&cobra.Command{
		Use: strings.TrimPrefix(builtinName, metadata.NamePrefix),
		Aliases: []string{
			strings.TrimPrefix(builtinAlias, metadata.NamePrefix),
		},
	})

	for _, tc := range []struct {
		name   string
		plugin *fakeCandidate

		// Either err or invalid may be non-empty, but not both (both can be empty for a good plugin).
		err     string
		invalid string
		expVer  string
	}{
		// Invalid cases.
		{
			name:   "empty path",
			plugin: &fakeCandidate{path: ""},
			err:    "plugin candidate path cannot be empty",
		},
		{
			name:   "bad prefix",
			plugin: &fakeCandidate{path: badPrefixPath},
			err:    fmt.Sprintf("does not have %q prefix", metadata.NamePrefix),
		},
		{
			name:    "bad path",
			plugin:  &fakeCandidate{path: badNamePath},
			invalid: "did not match",
		},
		{
			name:    "builtin command",
			plugin:  &fakeCandidate{path: builtinName},
			invalid: `plugin "builtin" duplicates builtin command`,
		},
		{
			name:    "builtin alias",
			plugin:  &fakeCandidate{path: builtinAlias},
			invalid: `plugin "alias" duplicates an alias of builtin command "builtin"`,
		},
		{
			name:    "fetch failure",
			plugin:  &fakeCandidate{path: goodPluginPath, exec: false},
			invalid: fmt.Sprintf("failed to fetch metadata: faked a failure to exec %q", goodPluginPath),