package volumes import ( "os" "testing" "github.com/docker/docker/pkg/stringutils" ) func TestContainers(t *testing.T) { v := &Volume{containers: make(map[string]struct{})} id := "1234" v.AddContainer(id) if v.Containers()[0] != id { t.Fatalf("adding a container ref failed") } v.RemoveContainer(id) if len(v.Containers()) != 0 { t.Fatalf("removing container failed") } } // os.Stat(v.Path) is returning ErrNotExist, initialize catch it and try to // mkdir v.Path but it dies and correctly returns the error func TestInitializeCannotMkdirOnNonExistentPath(t *testing.T) { v := &Volume{Path: "nonexistentpath"} err := v.initialize() if err == nil { t.Fatal("Expected not to initialize volume with a non existent path") } if !os.IsNotExist(err) { t.Fatalf("Expected to get ErrNotExist error, got %s", err) } } // os.Stat(v.Path) is NOT returning ErrNotExist so skip and return error from // initialize func TestInitializeCannotStatPathFileNameTooLong(t *testing.T) { // ENAMETOOLONG v := &Volume{Path: stringutils.GenerateRandomAlphaOnlyString(300)} err := v.initialize() if err == nil { t.Fatal("Expected not to initialize volume with a non existent path") } if os.IsNotExist(err) { t.Fatal("Expected to not get ErrNotExist") } }