| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package cmd |
| |
| import ( |
| "context" |
| "encoding/json" |
| "fmt" |
| "strings" |
| "sync" |
| "testing" |
| ) |
| |
| import ( |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" |
| "k8s.io/apimachinery/pkg/runtime" |
| "k8s.io/apimachinery/pkg/runtime/schema" |
| "k8s.io/apimachinery/pkg/watch" |
| "k8s.io/client-go/dynamic" |
| "k8s.io/client-go/dynamic/fake" |
| ktesting "k8s.io/client-go/testing" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pilot/pkg/xds" |
| ) |
| |
| func TestWaitCmd(t *testing.T) { |
| cannedResponseObj := []xds.SyncedVersions{ |
| { |
| ProxyID: "foo", |
| ClusterVersion: "1", |
| ListenerVersion: "1", |
| RouteVersion: "1", |
| }, |
| } |
| cannedResponse, _ := json.Marshal(cannedResponseObj) |
| cannedResponseMap := map[string][]byte{"onlyonepilot": cannedResponse} |
| |
| cases := []execTestCase{ |
| { |
| execClientConfig: cannedResponseMap, |
| args: strings.Split("x wait --generation=2 --timeout=2s virtual-service foo.default", " "), |
| wantException: true, |
| }, |
| { |
| execClientConfig: cannedResponseMap, |
| args: strings.Split("x wait --generation=1 virtual-service foo.default", " "), |
| wantException: false, |
| }, |
| { |
| execClientConfig: cannedResponseMap, |
| args: strings.Split("x wait --generation=1 VirtualService foo.default", " "), |
| wantException: false, |
| }, |
| { |
| execClientConfig: cannedResponseMap, |
| args: strings.Split("x wait --generation=1 not-service foo.default", " "), |
| wantException: true, |
| }, |
| { |
| execClientConfig: cannedResponseMap, |
| args: strings.Split("x wait --timeout 2s virtual-service bar.default", " "), |
| wantException: true, |
| expectedOutput: "Error: timeout expired before resource networking.istio.io/v1alpha3/VirtualService/default/bar became effective on all sidecars\n", |
| }, |
| { |
| execClientConfig: cannedResponseMap, |
| args: strings.Split("x wait --timeout 2s virtualservice foo.default", " "), |
| wantException: false, |
| }, |
| { |
| execClientConfig: cannedResponseMap, |
| args: strings.Split("x wait --timeout 2s --revision canary virtualservice foo.default", " "), |
| wantException: false, |
| }, |
| } |
| |
| for i, c := range cases { |
| t.Run(fmt.Sprintf("case %d %s", i, strings.Join(c.args, " ")), func(t *testing.T) { |
| _ = setupK8Sfake() |
| verifyExecTestOutput(t, c) |
| }) |
| } |
| } |
| |
| func setupK8Sfake() *fake.FakeDynamicClient { |
| client := fake.NewSimpleDynamicClient(runtime.NewScheme()) |
| clientGetter = func(_, _ string) (dynamic.Interface, error) { |
| return client, nil |
| } |
| l := sync.Mutex{} |
| l.Lock() |
| client.PrependWatchReactor("*", func(action ktesting.Action) (handled bool, ret watch.Interface, err error) { |
| l.Unlock() |
| return false, nil, nil |
| }) |
| go func() { |
| // wait till watch created, then send create events. |
| // by default, k8s sends all existing objects at the beginning of a watch, but the test mock does not. This |
| // function forces the test to behave like kubernetes does, but creates a race condition on watch creation. |
| l.Lock() |
| gvr := schema.GroupVersionResource{Group: "networking.istio.io", Version: "v1alpha3", Resource: "virtualservices"} |
| x := client.Resource(gvr).Namespace("default") |
| |
| x.Create(context.TODO(), |
| newUnstructured("networking.istio.io/v1alpha3", "virtualservice", "default", "foo", int64(1)), |
| metav1.CreateOptions{}) |
| x.Create(context.TODO(), |
| newUnstructured("networking.istio.io/v1alpha3", "virtualservice", "default", "bar", int64(3)), |
| metav1.CreateOptions{}) |
| }() |
| return client |
| } |
| |
| func newUnstructured(apiVersion, kind, namespace, name string, generation int64) *unstructured.Unstructured { |
| return &unstructured.Unstructured{ |
| Object: map[string]interface{}{ |
| "apiVersion": apiVersion, |
| "kind": kind, |
| "metadata": map[string]interface{}{ |
| "namespace": namespace, |
| "name": name, |
| "generation": generation, |
| }, |
| }, |
| } |
| } |