252 lines
7.5 KiB
Go
252 lines
7.5 KiB
Go
/*
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Copyright 2020 KubeSphere Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package s2ibinary
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import (
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fakes3 "kubesphere.io/kubesphere/pkg/simple/client/s3/fake"
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"reflect"
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"testing"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/util/diff"
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k8sfake "k8s.io/client-go/kubernetes/fake"
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core "k8s.io/client-go/testing"
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"k8s.io/client-go/tools/cache"
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"k8s.io/client-go/tools/record"
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s2i "kubesphere.io/kubesphere/pkg/apis/devops/v1alpha1"
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"kubesphere.io/kubesphere/pkg/client/clientset/versioned/fake"
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informers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
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)
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var (
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alwaysReady = func() bool { return true }
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noResyncPeriodFunc = func() time.Duration { return 0 }
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)
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type fixture struct {
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t *testing.T
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client *fake.Clientset
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kubeclient *k8sfake.Clientset
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// Objects to put in the store.
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s2ibinaryLister []*s2i.S2iBinary
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actions []core.Action
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// Objects from here preloaded into NewSimpleFake.
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objects []runtime.Object
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// Objects from here preloaded into s3
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initS3Objects []*fakes3.Object
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expectS3Objects []*fakes3.Object
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}
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func newFixture(t *testing.T) *fixture {
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f := &fixture{}
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f.t = t
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f.objects = []runtime.Object{}
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return f
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}
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func newS2iBinary(name string, spec s2i.S2iBinarySpec) *s2i.S2iBinary {
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return &s2i.S2iBinary{
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TypeMeta: metav1.TypeMeta{APIVersion: s2i.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: metav1.NamespaceDefault,
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},
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Spec: spec,
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}
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}
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func newDeletingS2iBinary(name string) *s2i.S2iBinary {
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deleteTime := metav1.Now()
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return &s2i.S2iBinary{
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TypeMeta: metav1.TypeMeta{APIVersion: s2i.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: metav1.NamespaceDefault,
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Finalizers: []string{s2i.S2iBinaryFinalizerName},
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DeletionTimestamp: &deleteTime,
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},
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}
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}
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func (f *fixture) newController() (*Controller, informers.SharedInformerFactory, *fakes3.FakeS3) {
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f.client = fake.NewSimpleClientset(f.objects...)
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f.kubeclient = k8sfake.NewSimpleClientset()
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i := informers.NewSharedInformerFactory(f.client, noResyncPeriodFunc())
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s3I := fakes3.NewFakeS3(f.expectS3Objects...)
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c := NewController(f.kubeclient, f.client, i.Devops().V1alpha1().S2iBinaries(), s3I)
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c.s2iBinarySynced = alwaysReady
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c.eventRecorder = &record.FakeRecorder{}
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for _, f := range f.s2ibinaryLister {
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i.Devops().V1alpha1().S2iBinaries().Informer().GetIndexer().Add(f)
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}
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return c, i, s3I
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}
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func (f *fixture) run(fooName string) {
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f.runController(fooName, true, false)
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}
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func (f *fixture) runExpectError(fooName string) {
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f.runController(fooName, true, true)
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}
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func (f *fixture) runController(s2iBinaryName string, startInformers bool, expectError bool) {
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c, i, s3I := f.newController()
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if startInformers {
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stopCh := make(chan struct{})
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defer close(stopCh)
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i.Start(stopCh)
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}
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err := c.syncHandler(s2iBinaryName)
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if !expectError && err != nil {
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f.t.Errorf("error syncing foo: %v", err)
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} else if expectError && err == nil {
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f.t.Error("expected error syncing foo, got nil")
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}
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actions := filterInformerActions(f.client.Actions())
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for i, action := range actions {
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if len(f.actions) < i+1 {
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f.t.Errorf("%d unexpected actions: %+v", len(actions)-len(f.actions), actions[i:])
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break
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}
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expectedAction := f.actions[i]
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checkAction(expectedAction, action, f.t)
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}
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if len(f.actions) > len(actions) {
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f.t.Errorf("%d additional expected actions:%+v", len(f.actions)-len(actions), f.actions[len(actions):])
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}
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if len(s3I.Storage) != len(f.expectS3Objects) {
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f.t.Errorf(" unexpected objects: %v", s3I.Storage)
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}
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}
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// checkAction verifies that expected and actual actions are equal and both have
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// same attached resources
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func checkAction(expected, actual core.Action, t *testing.T) {
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if !(expected.Matches(actual.GetVerb(), actual.GetResource().Resource) && actual.GetSubresource() == expected.GetSubresource()) {
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t.Errorf("Expected\n\t%#v\ngot\n\t%#v", expected, actual)
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return
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}
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if reflect.TypeOf(actual) != reflect.TypeOf(expected) {
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t.Errorf("Action has wrong type. Expected: %t. Got: %t", expected, actual)
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return
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}
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switch a := actual.(type) {
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case core.CreateActionImpl:
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e, _ := expected.(core.CreateActionImpl)
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expObject := e.GetObject()
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object := a.GetObject()
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if !reflect.DeepEqual(expObject, object) {
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t.Errorf("Action %s %s has wrong object\nDiff:\n %s",
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a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expObject, object))
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}
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case core.UpdateActionImpl:
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e, _ := expected.(core.UpdateActionImpl)
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expObject := e.GetObject()
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object := a.GetObject()
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if !reflect.DeepEqual(expObject, object) {
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t.Errorf("Action %s %s has wrong object\nDiff:\n %s",
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a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expObject, object))
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}
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case core.PatchActionImpl:
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e, _ := expected.(core.PatchActionImpl)
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expPatch := e.GetPatch()
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patch := a.GetPatch()
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if !reflect.DeepEqual(expPatch, patch) {
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t.Errorf("Action %s %s has wrong patch\nDiff:\n %s",
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a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expPatch, patch))
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}
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default:
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t.Errorf("Uncaptured Action %s %s, you should explicitly add a case to capture it",
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actual.GetVerb(), actual.GetResource().Resource)
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}
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}
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// filterInformerActions filters list and watch actions for testing resources.
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// Since list and watch don't change resource state we can filter it to lower
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// nose level in our tests.
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func filterInformerActions(actions []core.Action) []core.Action {
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ret := []core.Action{}
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for _, action := range actions {
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if len(action.GetNamespace()) == 0 &&
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(action.Matches("list", s2i.ResourcePluralS2iBinary) ||
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action.Matches("watch", s2i.ResourcePluralS2iBinary)) {
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continue
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}
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ret = append(ret, action)
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}
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return ret
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}
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func (f *fixture) expectUpdateS2iBinaryAction(s2ibinary *s2i.S2iBinary) {
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action := core.NewUpdateAction(schema.GroupVersionResource{Resource: s2i.ResourcePluralS2iBinary}, s2ibinary.Namespace, s2ibinary)
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f.actions = append(f.actions, action)
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}
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func getKey(s2ibinary *s2i.S2iBinary, t *testing.T) string {
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key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(s2ibinary)
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if err != nil {
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t.Errorf("Unexpected error getting key for s2ibinary %v: %v", s2ibinary.Name, err)
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return ""
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}
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return key
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}
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func TestDoNothing(t *testing.T) {
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f := newFixture(t)
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s2iBinary := newS2iBinary("test", s2i.S2iBinarySpec{})
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f.s2ibinaryLister = append(f.s2ibinaryLister, s2iBinary)
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f.objects = append(f.objects, s2iBinary)
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f.expectUpdateS2iBinaryAction(s2iBinary)
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f.run(getKey(s2iBinary, t))
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}
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func TestDeleteS3Object(t *testing.T) {
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f := newFixture(t)
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s2iBinary := newDeletingS2iBinary("test")
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f.s2ibinaryLister = append(f.s2ibinaryLister, s2iBinary)
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f.objects = append(f.objects, s2iBinary)
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f.initS3Objects = []*fakes3.Object{{
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Key: "default-test",
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}}
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f.expectS3Objects = []*fakes3.Object{}
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f.expectUpdateS2iBinaryAction(s2iBinary)
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f.run(getKey(s2iBinary, t))
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}
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