Golang String.HasAll方法代码示例

// SeenAllSources returns true if seenSources contains all sources in the
// config, and also this config has received a SET message from each source.
func (c *PodConfig) SeenAllSources(seenSources sets.String) bool {
	if c.pods == nil {
		return false
	}
	glog.V(6).Infof("Looking for %v, have seen %v", c.sources.List(), seenSources)
	return seenSources.HasAll(c.sources.List()...) && c.pods.seenSources(c.sources.List()...)
}

// Test public interface
func doTestIndex(t *testing.T, indexer Indexer) {
	mkObj := func(id string, val string) testStoreObject {
		return testStoreObject{id: id, val: val}
	}

	// Test Index
	expected := map[string]sets.String{}
	expected["b"] = sets.NewString("a", "c")
	expected["f"] = sets.NewString("e")
	expected["h"] = sets.NewString("g")
	indexer.Add(mkObj("a", "b"))
	indexer.Add(mkObj("c", "b"))
	indexer.Add(mkObj("e", "f"))
	indexer.Add(mkObj("g", "h"))
	{
		for k, v := range expected {
			found := sets.String{}
			indexResults, err := indexer.Index("by_val", mkObj("", k))
			if err != nil {
				t.Errorf("Unexpected error %v", err)
			}
			for _, item := range indexResults {
				found.Insert(item.(testStoreObject).id)
			}
			items := v.List()
			if !found.HasAll(items...) {
				t.Errorf("missing items, index %s, expected %v but found %v", k, items, found.List())
			}
		}
	}
}

func CheckSetEq(lhs, rhs sets.String) bool {
	return lhs.HasAll(rhs.List()...) && rhs.HasAll(lhs.List()...)
}

// Test public interface
func doTestStore(t *testing.T, store Store) {
	mkObj := func(id string, val string) testStoreObject {
		return testStoreObject{id: id, val: val}
	}

	store.Add(mkObj("foo", "bar"))
	if item, ok, _ := store.Get(mkObj("foo", "")); !ok {
		t.Errorf("didn't find inserted item")
	} else {
		if e, a := "bar", item.(testStoreObject).val; e != a {
			t.Errorf("expected %v, got %v", e, a)
		}
	}
	store.Update(mkObj("foo", "baz"))
	if item, ok, _ := store.Get(mkObj("foo", "")); !ok {
		t.Errorf("didn't find inserted item")
	} else {
		if e, a := "baz", item.(testStoreObject).val; e != a {
			t.Errorf("expected %v, got %v", e, a)
		}
	}
	store.Delete(mkObj("foo", ""))
	if _, ok, _ := store.Get(mkObj("foo", "")); ok {
		t.Errorf("found deleted item??")
	}

	// Test List.
	store.Add(mkObj("a", "b"))
	store.Add(mkObj("c", "d"))
	store.Add(mkObj("e", "e"))
	{
		found := sets.String{}
		for _, item := range store.List() {
			found.Insert(item.(testStoreObject).val)
		}
		if !found.HasAll("b", "d", "e") {
			t.Errorf("missing items, found: %v", found)
		}
		if len(found) != 3 {
			t.Errorf("extra items")
		}
	}

	// Test Replace.
	store.Replace([]interface{}{
		mkObj("foo", "foo"),
		mkObj("bar", "bar"),
	}, "0")

	{
		found := sets.String{}
		for _, item := range store.List() {
			found.Insert(item.(testStoreObject).val)
		}
		if !found.HasAll("foo", "bar") {
			t.Errorf("missing items")
		}
		if len(found) != 2 {
			t.Errorf("extra items")
		}
	}
}

func TestWatchCacheBasic(t *testing.T) {
	store := newTestWatchCache(2)

	// Test Add/Update/Delete.
	pod1 := makeTestPod("pod", 1)
	if err := store.Add(pod1); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if item, ok, _ := store.Get(pod1); !ok {
		t.Errorf("didn't find pod")
	} else {
		if !api.Semantic.DeepEqual(pod1, item) {
			t.Errorf("expected %v, got %v", pod1, item)
		}
	}
	pod2 := makeTestPod("pod", 2)
	if err := store.Update(pod2); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if item, ok, _ := store.Get(pod2); !ok {
		t.Errorf("didn't find pod")
	} else {
		if !api.Semantic.DeepEqual(pod2, item) {
			t.Errorf("expected %v, got %v", pod1, item)
		}
	}
	pod3 := makeTestPod("pod", 3)
	if err := store.Delete(pod3); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if _, ok, _ := store.Get(pod3); ok {
		t.Errorf("found pod")
	}

	// Test List.
	store.Add(makeTestPod("pod1", 4))
	store.Add(makeTestPod("pod2", 5))
	store.Add(makeTestPod("pod3", 6))
	{
		podNames := sets.String{}
		for _, item := range store.List() {
			podNames.Insert(item.(*api.Pod).ObjectMeta.Name)
		}
		if !podNames.HasAll("pod1", "pod2", "pod3") {
			t.Errorf("missing pods, found %v", podNames)
		}
		if len(podNames) != 3 {
			t.Errorf("found missing/extra items")
		}
	}

	// Test Replace.
	store.Replace([]interface{}{
		makeTestPod("pod4", 7),
		makeTestPod("pod5", 8),
	}, "8")
	{
		podNames := sets.String{}
		for _, item := range store.List() {
			podNames.Insert(item.(*api.Pod).ObjectMeta.Name)
		}
		if !podNames.HasAll("pod4", "pod5") {
			t.Errorf("missing pods, found %v", podNames)
		}
		if len(podNames) != 2 {
			t.Errorf("found missing/extra items")
		}
	}
}

func TestList(t *testing.T) {
	server, etcdStorage := newEtcdTestStorage(t, testapi.Default.Codec(), etcdtest.PathPrefix())
	defer server.Terminate(t)
	cacher := newTestCacher(etcdStorage)
	defer cacher.Stop()

	podFoo := makeTestPod("foo")
	podBar := makeTestPod("bar")
	podBaz := makeTestPod("baz")

	podFooPrime := makeTestPod("foo")
	podFooPrime.Spec.NodeName = "fakeNode"

	fooCreated := updatePod(t, etcdStorage, podFoo, nil)
	_ = updatePod(t, etcdStorage, podBar, nil)
	_ = updatePod(t, etcdStorage, podBaz, nil)

	_ = updatePod(t, etcdStorage, podFooPrime, fooCreated)

	deleted := api.Pod{}
	if err := etcdStorage.Delete(context.TODO(), etcdtest.AddPrefix("pods/ns/bar"), &deleted, nil); err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	// We first List directly from etcd by passing empty resourceVersion,
	// to get the current etcd resourceVersion.
	rvResult := &api.PodList{}
	if err := cacher.List(context.TODO(), "pods/ns", "", storage.Everything, rvResult); err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	deletedPodRV := rvResult.ListMeta.ResourceVersion

	result := &api.PodList{}
	// We pass the current etcd ResourceVersion received from the above List() operation,
	// since there is not easy way to get ResourceVersion of barPod deletion operation.
	if err := cacher.List(context.TODO(), "pods/ns", deletedPodRV, storage.Everything, result); err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if result.ListMeta.ResourceVersion != deletedPodRV {
		t.Errorf("Incorrect resource version: %v", result.ListMeta.ResourceVersion)
	}
	if len(result.Items) != 2 {
		t.Errorf("Unexpected list result: %d", len(result.Items))
	}
	keys := sets.String{}
	for _, item := range result.Items {
		keys.Insert(item.Name)
	}
	if !keys.HasAll("foo", "baz") {
		t.Errorf("Unexpected list result: %#v", result)
	}
	for _, item := range result.Items {
		// unset fields that are set by the infrastructure
		item.ResourceVersion = ""
		item.CreationTimestamp = unversioned.Time{}

		var expected *api.Pod
		switch item.Name {
		case "foo":
			expected = podFooPrime
		case "baz":
			expected = podBaz
		default:
			t.Errorf("Unexpected item: %v", item)
		}
		if e, a := *expected, item; !reflect.DeepEqual(e, a) {
			t.Errorf("Expected: %#v, got: %#v", e, a)
		}
	}
}