package volumes import "testing" 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") } }