blob: aeefe7e37118d7fed5303a2274cb9e0626d45070 [file] [log] [blame]
// 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,
},
},
}
}