// FIXME: Do more extensive tests (ex: create multiple, delete, recreate;
//       create multiple, check the amount of images and paths, etc..)
func TestGraphCreate(t *testing.T) {
	graph, _ := tempGraph(t)
	defer nukeGraph(graph)
	archive, err := fakeTar()
	if err != nil {
		t.Fatal(err)
	}
	img, err := graph.Create(archive, "", "", "Testing", "", nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	if err := utils.ValidateID(img.ID); err != nil {
		t.Fatal(err)
	}
	if img.Comment != "Testing" {
		t.Fatalf("Wrong comment: should be '%s', not '%s'", "Testing", img.Comment)
	}
	if img.DockerVersion != dockerversion.VERSION {
		t.Fatalf("Wrong docker_version: should be '%s', not '%s'", dockerversion.VERSION, img.DockerVersion)
	}
	images, err := graph.Map()
	if err != nil {
		t.Fatal(err)
	} else if l := len(images); l != 1 {
		t.Fatalf("Wrong number of images. Should be %d, not %d", 1, l)
	}
	if images[img.ID] == nil {
		t.Fatalf("Could not find image with id %s", img.ID)
	}
}
func TestRegister(t *testing.T) {
	graph, _ := tempGraph(t)
	defer nukeGraph(graph)
	archive, err := fakeTar()
	if err != nil {
		t.Fatal(err)
	}
	image := &image.Image{
		ID:      common.GenerateRandomID(),
		Comment: "testing",
		Created: time.Now(),
	}
	err = graph.Register(image, archive)
	if err != nil {
		t.Fatal(err)
	}
	if images, err := graph.Map(); err != nil {
		t.Fatal(err)
	} else if l := len(images); l != 1 {
		t.Fatalf("Wrong number of images. Should be %d, not %d", 1, l)
	}
	if resultImg, err := graph.Get(image.ID); err != nil {
		t.Fatal(err)
	} else {
		if resultImg.ID != image.ID {
			t.Fatalf("Wrong image ID. Should be '%s', not '%s'", image.ID, resultImg.ID)
		}
		if resultImg.Comment != image.Comment {
			t.Fatalf("Wrong image comment. Should be '%s', not '%s'", image.Comment, resultImg.Comment)
		}
	}
}
func TestInit(t *testing.T) {
	graph, _ := tempGraph(t)
	defer nukeGraph(graph)
	// Root should exist
	if _, err := os.Stat(graph.Root); err != nil {
		t.Fatal(err)
	}
	// Map() should be empty
	if l, err := graph.Map(); err != nil {
		t.Fatal(err)
	} else if len(l) != 0 {
		t.Fatalf("len(Map()) should return %d, not %d", 0, len(l))
	}
}