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https://github.com/k3s-io/kubernetes.git
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Standardize naming in generic storage watcher tests
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parent
95bd687a28
commit
593742f092
@ -37,9 +37,6 @@ import (
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"k8s.io/apiserver/pkg/storage/value"
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)
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// basePath for storage keys used across tests
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const basePath = "/keybase"
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// CreateObjList will create a list from the array of objects.
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func CreateObjList(prefix string, helper storage.Interface, items []runtime.Object) error {
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for i := range items {
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@ -44,65 +44,76 @@ func RunTestWatch(ctx context.Context, t *testing.T, store storage.Interface) {
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// - update should trigger Modified event
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// - update that gets filtered should trigger Deleted event
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func testWatch(ctx context.Context, t *testing.T, store storage.Interface, recursive bool) {
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podFoo := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
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podBar := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "bar"}}
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basePod := &example.Pod{
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ObjectMeta: metav1.ObjectMeta{Name: "foo"},
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Spec: example.PodSpec{NodeName: ""},
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}
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basePodAssigned := &example.Pod{
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ObjectMeta: metav1.ObjectMeta{Name: "foo"},
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Spec: example.PodSpec{NodeName: "bar"},
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}
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tests := []struct {
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name string
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namespace string
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key string
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pred storage.SelectionPredicate
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watchTests []*testWatchStruct
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}{{
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name: "create a key",
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key: basePath + "/somekey-1",
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watchTests: []*testWatchStruct{{podFoo, true, watch.Added}},
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namespace: fmt.Sprintf("test-ns-1-%t", recursive),
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watchTests: []*testWatchStruct{{basePod, true, watch.Added}},
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pred: storage.Everything,
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}, {
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name: "key updated to match predicate",
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key: basePath + "/somekey-3",
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watchTests: []*testWatchStruct{{podFoo, false, ""}, {podBar, true, watch.Added}},
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namespace: fmt.Sprintf("test-ns-2-%t", recursive),
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watchTests: []*testWatchStruct{{basePod, false, ""}, {basePodAssigned, true, watch.Added}},
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pred: storage.SelectionPredicate{
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Label: labels.Everything(),
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Field: fields.ParseSelectorOrDie("metadata.name=bar"),
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Field: fields.ParseSelectorOrDie("spec.nodename=bar"),
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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{"spec.nodename": pod.Spec.NodeName}, nil
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},
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},
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}, {
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name: "update",
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key: basePath + "/somekey-4",
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watchTests: []*testWatchStruct{{podFoo, true, watch.Added}, {podBar, true, watch.Modified}},
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namespace: fmt.Sprintf("test-ns-3-%t", recursive),
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watchTests: []*testWatchStruct{{basePod, true, watch.Added}, {basePodAssigned, true, watch.Modified}},
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pred: storage.Everything,
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}, {
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name: "delete because of being filtered",
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key: basePath + "/somekey-5",
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watchTests: []*testWatchStruct{{podFoo, true, watch.Added}, {podBar, true, watch.Deleted}},
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namespace: fmt.Sprintf("test-ns-4-%t", recursive),
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watchTests: []*testWatchStruct{{basePod, true, watch.Added}, {basePodAssigned, true, watch.Deleted}},
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pred: storage.SelectionPredicate{
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Label: labels.Everything(),
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Field: fields.ParseSelectorOrDie("metadata.name!=bar"),
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Field: fields.ParseSelectorOrDie("spec.nodename!=bar"),
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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{"spec.nodename": pod.Spec.NodeName}, nil
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},
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},
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}}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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w, err := store.Watch(ctx, tt.key, storage.ListOptions{ResourceVersion: "0", Predicate: tt.pred, Recursive: recursive})
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watchKey := fmt.Sprintf("pods/%s", tt.namespace)
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key := watchKey + "/foo"
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if !recursive {
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watchKey = key
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}
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w, err := store.Watch(ctx, watchKey, storage.ListOptions{ResourceVersion: "0", Predicate: tt.pred, Recursive: recursive})
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if err != nil {
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t.Fatalf("Watch failed: %v", err)
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}
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var prevObj *example.Pod
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for _, watchTest := range tt.watchTests {
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out := &example.Pod{}
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key := tt.key
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if recursive {
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key = key + "/item"
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}
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err := store.GuaranteedUpdate(ctx, key, out, true, nil, storage.SimpleUpdate(
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func(runtime.Object) (runtime.Object, error) {
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return watchTest.obj, nil
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obj := watchTest.obj.DeepCopy()
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obj.Namespace = tt.namespace
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return obj, nil
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}), nil)
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if err != nil {
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t.Fatalf("GuaranteedUpdate failed: %v", err)
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@ -127,7 +138,7 @@ func testWatch(ctx context.Context, t *testing.T, store storage.Interface, recur
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// - watch from 0 should sync up and grab the object added before
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// - watch from 0 is able to return events for objects whose previous version has been compacted
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func RunTestWatchFromZero(ctx context.Context, t *testing.T, store storage.Interface, compaction Compaction) {
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "ns"}})
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns"}})
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w, err := store.Watch(ctx, key, storage.ListOptions{ResourceVersion: "0", Predicate: storage.Everything})
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if err != nil {
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@ -140,7 +151,7 @@ func RunTestWatchFromZero(ctx context.Context, t *testing.T, store storage.Inter
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out := &example.Pod{}
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err = store.GuaranteedUpdate(ctx, key, out, true, nil, storage.SimpleUpdate(
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func(runtime.Object) (runtime.Object, error) {
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return &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "ns", Annotations: map[string]string{"a": "1"}}}, nil
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return &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns", Annotations: map[string]string{"a": "1"}}}, nil
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}), nil)
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if err != nil {
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t.Fatalf("GuaranteedUpdate failed: %v", err)
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@ -162,7 +173,7 @@ func RunTestWatchFromZero(ctx context.Context, t *testing.T, store storage.Inter
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out = &example.Pod{}
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err = store.GuaranteedUpdate(ctx, key, out, true, nil, storage.SimpleUpdate(
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func(runtime.Object) (runtime.Object, error) {
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return &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "ns"}}, nil
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return &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns"}}, nil
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}), nil)
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if err != nil {
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t.Fatalf("GuaranteedUpdate failed: %v", err)
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@ -180,7 +191,7 @@ func RunTestWatchFromZero(ctx context.Context, t *testing.T, store storage.Inter
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}
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func RunTestDeleteTriggerWatch(ctx context.Context, t *testing.T, store storage.Interface) {
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns"}})
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w, err := store.Watch(ctx, key, storage.ListOptions{ResourceVersion: storedObj.ResourceVersion, Predicate: storage.Everything})
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if err != nil {
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t.Fatalf("Watch failed: %v", err)
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@ -192,7 +203,7 @@ func RunTestDeleteTriggerWatch(ctx context.Context, t *testing.T, store storage.
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}
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func RunTestWatchFromNoneZero(ctx context.Context, t *testing.T, store storage.Interface) {
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns"}})
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w, err := store.Watch(ctx, key, storage.ListOptions{ResourceVersion: storedObj.ResourceVersion, Predicate: storage.Everything})
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if err != nil {
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@ -201,12 +212,17 @@ func RunTestWatchFromNoneZero(ctx context.Context, t *testing.T, store storage.I
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out := &example.Pod{}
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store.GuaranteedUpdate(ctx, key, out, true, nil, storage.SimpleUpdate(
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func(runtime.Object) (runtime.Object, error) {
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return &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "bar"}}, err
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newObj := storedObj.DeepCopy()
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newObj.Annotations = map[string]string{"version": "2"}
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return newObj, nil
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}), nil)
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testCheckResult(t, watch.Modified, w, out)
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}
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func RunTestWatchError(ctx context.Context, t *testing.T, store InterfaceWithPrefixTransformer) {
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obj := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns"}}
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key := computePodKey(obj)
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// Compute the initial resource version from which we can start watching later.
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list := &example.PodList{}
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storageOpts := storage.ListOptions{
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@ -214,13 +230,13 @@ func RunTestWatchError(ctx context.Context, t *testing.T, store InterfaceWithPre
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Predicate: storage.Everything,
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Recursive: true,
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}
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if err := store.GetList(ctx, basePath, storageOpts, list); err != nil {
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if err := store.GetList(ctx, "/pods", storageOpts, list); err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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if err := store.GuaranteedUpdate(ctx, basePath+"//foo", &example.Pod{}, true, nil, storage.SimpleUpdate(
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if err := store.GuaranteedUpdate(ctx, key, &example.Pod{}, true, nil, storage.SimpleUpdate(
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func(runtime.Object) (runtime.Object, error) {
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return &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}, nil
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return obj, nil
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}), nil); err != nil {
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t.Fatalf("GuaranteedUpdate failed: %v", err)
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}
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@ -232,7 +248,7 @@ func RunTestWatchError(ctx context.Context, t *testing.T, store InterfaceWithPre
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})
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defer revertTransformer()
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w, err := store.Watch(ctx, basePath+"//foo", storage.ListOptions{ResourceVersion: list.ResourceVersion, Predicate: storage.Everything})
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w, err := store.Watch(ctx, key, storage.ListOptions{ResourceVersion: list.ResourceVersion, Predicate: storage.Everything})
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if err != nil {
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t.Fatalf("Watch failed: %v", err)
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}
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@ -244,7 +260,7 @@ func RunTestWatchContextCancel(ctx context.Context, t *testing.T, store storage.
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cancel()
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// When we watch with a canceled context, we should detect that it's context canceled.
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// We won't take it as error and also close the watcher.
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w, err := store.Watch(canceledCtx, basePath+"/abc", storage.ListOptions{
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w, err := store.Watch(canceledCtx, "/pods/not-existing", storage.ListOptions{
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ResourceVersion: "0",
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Predicate: storage.Everything,
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})
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@ -263,7 +279,7 @@ func RunTestWatchContextCancel(ctx context.Context, t *testing.T, store storage.
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}
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func RunTestWatchDeleteEventObjectHaveLatestRV(ctx context.Context, t *testing.T, store storage.Interface) {
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns"}})
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watchCtx, _ := context.WithTimeout(ctx, wait.ForeverTestTimeout)
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w, err := store.Watch(watchCtx, key, storage.ListOptions{ResourceVersion: storedObj.ResourceVersion, Predicate: storage.Everything})
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@ -295,7 +311,7 @@ func RunTestWatchInitializationSignal(ctx context.Context, t *testing.T, store s
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initSignal := utilflowcontrol.NewInitializationSignal()
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ctx = utilflowcontrol.WithInitializationSignal(ctx, initSignal)
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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key, storedObj := testPropagateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test-ns"}})
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_, err := store.Watch(ctx, key, storage.ListOptions{ResourceVersion: storedObj.ResourceVersion, Predicate: storage.Everything})
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if err != nil {
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t.Fatalf("Watch failed: %v", err)
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@ -309,8 +325,8 @@ func RunTestWatchInitializationSignal(ctx context.Context, t *testing.T, store s
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// (it rather is used by wrappers of storage.Interface to implement its functionalities)
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// this test is currently considered optional.
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func RunOptionalTestProgressNotify(ctx context.Context, t *testing.T, store storage.Interface) {
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key := basePath + "/somekey"
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input := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "name"}}
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input := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "name", Namespace: "test-ns"}}
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key := computePodKey(input)
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out := &example.Pod{}
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if err := store.Create(ctx, key, input, out, 0); err != nil {
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t.Fatalf("Create failed: %v", err)
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