func testStorageStoreRetrieveImage(storage cluster.Storage, t *testing.T) {
defer storage.RemoveImage("img-1", "id1", "host-1.something")
defer storage.RemoveImage("img-1", "id1", "host-2")
defer storage.RemoveImage("img-1", "id2", "host-2")
err := storage.StoreImage("img-1", "id1", "host-1.something")
assertIsNil(err, t)
err = storage.StoreImage("img-1", "id1", "host-2")
assertIsNil(err, t)
img, err := storage.RetrieveImage("img-1")
assertIsNil(err, t)
expected := cluster.Image{Repository: "img-1", LastId: "id1", LastNode: "host-2", History: []cluster.ImageHistory{{
Node: "host-1.something",
ImageId: "id1",
}, {
Node: "host-2",
ImageId: "id1",
}}}
compareImage(img, expected, t)
err = storage.StoreImage("img-1", "id2", "host-2")
assertIsNil(err, t)
expected.History = append(expected.History, cluster.ImageHistory{Node: "host-2", ImageId: "id2"})
expected.LastId = "id2"
img, err = storage.RetrieveImage("img-1")
assertIsNil(err, t)
compareImage(img, expected, t)
}
func testStorageStoreRemoveImage(storage cluster.Storage, t *testing.T) {
err := storage.StoreImage("img-1", "host-1")
assertIsNil(err, t)
err = storage.StoreImage("img-1", "host-2")
assertIsNil(err, t)
err = storage.RemoveImage("img-1")
assertIsNil(err, t)
_, err = storage.RetrieveImage("img-1")
if err != cstorage.ErrNoSuchImage {
t.Errorf("Error should be cstorage.ErrNoSuchImage, received: %s", err)
}
}
func testStorageStoreImageIgnoreDups(storage cluster.Storage, t *testing.T) {
defer storage.RemoveImage("img-x", "id1", "host-1")
err := storage.StoreImage("img-x", "id1", "host-1")
assertIsNil(err, t)
err = storage.StoreImage("img-x", "id1", "host-1")
assertIsNil(err, t)
img, err := storage.RetrieveImage("img-x")
assertIsNil(err, t)
expected := cluster.Image{Repository: "img-x", LastId: "id1", LastNode: "host-1", History: []cluster.ImageHistory{{
Node: "host-1",
ImageId: "id1",
}}}
compareImage(img, expected, t)
}
func testStorageStoreImageIgnoreDups(storage cluster.Storage, t *testing.T) {
defer storage.RemoveImage("img-x")
err := storage.StoreImage("img-x", "host-1")
assertIsNil(err, t)
err = storage.StoreImage("img-x", "host-1")
assertIsNil(err, t)
hosts, err := storage.RetrieveImage("img-x")
assertIsNil(err, t)
if len(hosts) != 1 {
t.Fatalf("Expected host list to have len 1, got: %d", len(hosts))
}
if hosts[0] != "host-1" {
t.Fatalf("Expected host list to have value host-1, got: %s", hosts[0])
}
}
func testStorageStoreRetrieveImage(storage cluster.Storage, t *testing.T) {
defer storage.RemoveImage("img-1")
defer storage.RemoveImage("img-2")
err := storage.StoreImage("img-1", "host-1")
assertIsNil(err, t)
err = storage.StoreImage("img-1", "host-2")
assertIsNil(err, t)
err = storage.StoreImage("img-2", "host-2")
assertIsNil(err, t)
hosts, err := storage.RetrieveImage("img-1")
assertIsNil(err, t)
sort.Strings(hosts)
if !reflect.DeepEqual(hosts, []string{"host-1", "host-2"}) {
t.Errorf("unexpected array %#v", hosts)
}
}
func testStorageStoreRemoveImage(storage cluster.Storage, t *testing.T) {
err := storage.StoreImage("img-1", "id1", "host-1")
assertIsNil(err, t)
err = storage.StoreImage("img-1", "id1", "host-2")
assertIsNil(err, t)
err = storage.StoreImage("img-1", "id2", "host-2")
assertIsNil(err, t)
expected := cluster.Image{Repository: "img-1", LastId: "id2", LastNode: "host-2", History: []cluster.ImageHistory{{
Node: "host-1",
ImageId: "id1",
}, {
Node: "host-2",
ImageId: "id1",
}, {
Node: "host-2",
ImageId: "id2",
}}}
img, err := storage.RetrieveImage("img-1")
assertIsNil(err, t)
compareImage(img, expected, t)
err = storage.RemoveImage("img-1", "id1", "host-1")
assertIsNil(err, t)
expected.History = []cluster.ImageHistory{{
Node: "host-2",
ImageId: "id1",
}, {
Node: "host-2",
ImageId: "id2",
}}
img, err = storage.RetrieveImage("img-1")
assertIsNil(err, t)
compareImage(img, expected, t)
err = storage.RemoveImage("img-1", "id1", "host-2")
assertIsNil(err, t)
expected.History = []cluster.ImageHistory{{
Node: "host-2",
ImageId: "id2",
}}
img, err = storage.RetrieveImage("img-1")
assertIsNil(err, t)
compareImage(img, expected, t)
err = storage.RemoveImage("img-1", "id2", "host-2")
_, err = storage.RetrieveImage("img-1")
if err != cstorage.ErrNoSuchImage {
t.Fatalf("Expected error to be ErrNoSuchImage, got %s", err)
}
}