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storage: Get rid of TestListDeprecated
This commit extends the test cases of RunTestList to include the things tested by TestListDeprecated and subsequently deletes the test. This additionally adds a test case for checking that the list return the modified version of an object. Signed-off-by: Madhav Jivrajani <madhav.jiv@gmail.com>
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1d639085ee
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@ -502,7 +502,7 @@ func RunTestList(ctx context.Context, t *testing.T, store storage.Interface, ign
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getAttrs := func(obj runtime.Object) (labels.Set, fields.Set, error) {
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pod := obj.(*example.Pod)
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return nil, fields.Set{"metadata.name": pod.Name}, nil
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return nil, fields.Set{"metadata.name": pod.Name, "spec.nodeName": pod.Spec.NodeName}, nil
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}
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tests := []struct {
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@ -993,6 +993,30 @@ func RunTestList(ctx context.Context, t *testing.T, store storage.Interface, ign
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rvMatch: metav1.ResourceVersionMatchNotOlderThan,
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expectedOut: []example.Pod{*preset[0], *preset[1], *preset[2], *preset[3], *preset[4]},
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},
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{
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name: "verify list returns updated version of object; filter returns one item, page size equal to total list size with current resource version and match=NotOlderThan",
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prefix: "/pods",
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pred: storage.SelectionPredicate{
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Field: fields.OneTermEqualSelector("spec.nodeName", "fakeNode"),
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Label: labels.Everything(),
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Limit: 5,
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},
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rv: list.ResourceVersion,
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rvMatch: metav1.ResourceVersionMatchNotOlderThan,
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expectedOut: []example.Pod{*preset[0]},
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},
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{
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name: "verify list does not return deleted object; filter for deleted object, page size equal to total list size with current resource version and match=NotOlderThan",
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prefix: "/pods",
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pred: storage.SelectionPredicate{
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Field: fields.OneTermEqualSelector("metadata.name", "baz"),
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Label: labels.Everything(),
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Limit: 5,
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},
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rv: list.ResourceVersion,
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rvMatch: metav1.ResourceVersionMatchNotOlderThan,
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expectedOut: []example.Pod{},
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},
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}
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for _, tt := range tests {
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@ -1159,6 +1183,7 @@ func seedMultiLevelData(ctx context.Context, store storage.Interface) (string, [
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// - second/
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// | - bar
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// | - foo
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// | - [deleted] baz
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// |
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// - third/
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// | - barfoo
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@ -1166,6 +1191,7 @@ func seedMultiLevelData(ctx context.Context, store storage.Interface) (string, [
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barFirst := &example.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: "first", Name: "bar"}}
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barSecond := &example.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: "second", Name: "bar"}}
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fooSecond := &example.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: "second", Name: "foo"}}
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bazSecond := &example.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: "second", Name: "baz"}}
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barfooThird := &example.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: "third", Name: "barfoo"}}
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fooThird := &example.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: "third", Name: "foo"}}
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@ -1194,6 +1220,10 @@ func seedMultiLevelData(ctx context.Context, store storage.Interface) (string, [
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key: computePodKey(fooThird),
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obj: fooThird,
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},
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{
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key: computePodKey(bazSecond),
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obj: bazSecond,
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},
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}
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// we want to figure out the resourceVersion before we create anything
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@ -1211,6 +1241,29 @@ func seedMultiLevelData(ctx context.Context, store storage.Interface) (string, [
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}
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}
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// For barFirst, we first create it with key /pods/first/bar and then we update
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// it by changing its spec.nodeName. The point of doing this is to be able to
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// test that if a pod with key /pods/first/bar is in fact returned, the returned
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// pod is the updated one (i.e. with spec.nodeName changed).
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preset[0].storedObj = &example.Pod{}
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if err := store.GuaranteedUpdate(ctx, computePodKey(barFirst), preset[0].storedObj, true, nil,
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func(input runtime.Object, _ storage.ResponseMeta) (output runtime.Object, ttl *uint64, err error) {
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pod := input.(*example.Pod).DeepCopy()
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pod.Spec.NodeName = "fakeNode"
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return pod, nil, nil
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}, nil); err != nil {
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return "", nil, fmt.Errorf("failed to update object: %w", err)
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}
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// We now delete bazSecond provided it has been created first. We do this to enable
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// testing cases that had an object exist initially and then was deleted and how this
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// would be reflected in responses of different calls.
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if err := store.Delete(ctx, computePodKey(bazSecond), preset[len(preset)-1].storedObj, nil, storage.ValidateAllObjectFunc, nil); err != nil {
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return "", nil, fmt.Errorf("failed to delete object: %w", err)
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}
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// Since we deleted bazSecond (last element of preset), we remove it from preset.
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preset = preset[:len(preset)-1]
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var created []*example.Pod
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for _, item := range preset {
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created = append(created, item.storedObj)
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@ -19,7 +19,6 @@ package tests
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import (
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"context"
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"fmt"
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"reflect"
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goruntime "runtime"
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"strconv"
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"sync"
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@ -37,7 +36,6 @@ import (
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/apiserver/pkg/apis/example"
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@ -181,101 +179,6 @@ func TestList(t *testing.T) {
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storagetesting.RunTestList(ctx, t, cacher, true)
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}
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// TODO(wojtek-t): We should extend the generic RunTestList test to cover the
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// scenarios that are not yet covered by it and get rid of this test.
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func TestListDeprecated(t *testing.T) {
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server, etcdStorage := newEtcdTestStorage(t, etcd3testing.PathPrefix())
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defer server.Terminate(t)
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cacher, _, err := newTestCacher(etcdStorage)
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if err != nil {
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t.Fatalf("Couldn't create cacher: %v", err)
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}
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defer cacher.Stop()
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podFoo := makeTestPod("foo")
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podBar := makeTestPod("bar")
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podBaz := makeTestPod("baz")
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podFooPrime := makeTestPod("foo")
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podFooPrime.Spec.NodeName = "fakeNode"
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fooCreated := updatePod(t, etcdStorage, podFoo, nil)
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_ = updatePod(t, etcdStorage, podBar, nil)
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_ = updatePod(t, etcdStorage, podBaz, nil)
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_ = updatePod(t, etcdStorage, podFooPrime, fooCreated)
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// Create a pod in a namespace that contains "ns" as a prefix
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// Make sure it is not returned in a watch of "ns"
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podFooNS2 := makeTestPod("foo")
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podFooNS2.Namespace += "2"
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updatePod(t, etcdStorage, podFooNS2, nil)
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deleted := example.Pod{}
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if err := etcdStorage.Delete(context.TODO(), "pods/ns/bar", &deleted, nil, storage.ValidateAllObjectFunc, nil); err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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// We first List directly from etcd by passing empty resourceVersion,
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// to get the current etcd resourceVersion.
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rvResult := &example.PodList{}
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options := storage.ListOptions{
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Predicate: storage.Everything,
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Recursive: true,
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}
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if err := cacher.GetList(context.TODO(), "pods/ns", options, rvResult); err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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deletedPodRV := rvResult.ListMeta.ResourceVersion
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result := &example.PodList{}
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// We pass the current etcd ResourceVersion received from the above List() operation,
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// since there is not easy way to get ResourceVersion of barPod deletion operation.
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options = storage.ListOptions{
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ResourceVersion: deletedPodRV,
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Predicate: storage.Everything,
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Recursive: true,
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}
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if err := cacher.GetList(context.TODO(), "pods/ns", options, result); err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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if result.ListMeta.ResourceVersion != deletedPodRV {
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t.Errorf("Incorrect resource version: %v", result.ListMeta.ResourceVersion)
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}
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if len(result.Items) != 2 {
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t.Errorf("Unexpected list result: %d", len(result.Items))
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}
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keys := sets.String{}
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for _, item := range result.Items {
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keys.Insert(item.Name)
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}
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if !keys.HasAll("foo", "baz") {
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t.Errorf("Unexpected list result: %#v", result)
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}
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for _, item := range result.Items {
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// unset fields that are set by the infrastructure
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item.ResourceVersion = ""
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item.CreationTimestamp = metav1.Time{}
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if item.Namespace != "ns" {
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t.Errorf("Unexpected namespace: %s", item.Namespace)
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}
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var expected *example.Pod
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switch item.Name {
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case "foo":
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expected = podFooPrime
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case "baz":
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expected = podBaz
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default:
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t.Errorf("Unexpected item: %v", item)
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}
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if e, a := *expected, item; !reflect.DeepEqual(e, a) {
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t.Errorf("Expected: %#v, got: %#v", e, a)
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}
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}
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}
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func verifyWatchEvent(t *testing.T, w watch.Interface, eventType watch.EventType, eventObject runtime.Object) {
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_, _, line, _ := goruntime.Caller(1)
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select {
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