427 lines
14 KiB
Go
427 lines
14 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 devopsproject
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import (
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v1 "k8s.io/api/core/v1"
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devopsprojects "kubesphere.io/kubesphere/pkg/apis/devops/v1alpha3"
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"kubesphere.io/kubesphere/pkg/constants"
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fakeDevOps "kubesphere.io/kubesphere/pkg/simple/client/devops/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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kubeinformers "k8s.io/client-go/informers"
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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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devops "kubesphere.io/kubesphere/pkg/apis/devops/v1alpha3"
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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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devopsProjectLister []*devops.DevOpsProject
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namespaceLister []*v1.Namespace
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actions []core.Action
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kubeactions []core.Action
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kubeobjects []runtime.Object
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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 devops
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initDevOpsProject []string
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expectDevOpsProject []string
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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 newDevOpsProject(name string, nsName string, withFinalizers bool, withStatus bool) *devopsprojects.DevOpsProject {
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project := &devopsprojects.DevOpsProject{
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TypeMeta: metav1.TypeMeta{APIVersion: devopsprojects.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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},
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}
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if withFinalizers {
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project.Finalizers = []string{devopsprojects.DevOpsProjectFinalizerName}
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}
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if withStatus {
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project.Status = devops.DevOpsProjectStatus{AdminNamespace: nsName}
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}
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return project
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}
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func newNamespace(name string, projectName string, useGenerateName, withOwnerReference bool) *v1.Namespace {
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ns := &v1.Namespace{
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TypeMeta: metav1.TypeMeta{
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Kind: "Namespace",
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APIVersion: v1.SchemeGroupVersion.String(),
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Labels: map[string]string{constants.DevOpsProjectLabelKey: projectName},
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},
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}
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if useGenerateName {
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ns.ObjectMeta.Name = ""
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ns.ObjectMeta.GenerateName = projectName
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}
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if withOwnerReference {
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TRUE := true
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ns.ObjectMeta.OwnerReferences = []metav1.OwnerReference{
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{
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APIVersion: devops.SchemeGroupVersion.String(),
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Kind: devops.ResourceKindDevOpsProject,
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Name: projectName,
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BlockOwnerDeletion: &TRUE,
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Controller: &TRUE,
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},
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}
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}
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return ns
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}
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func newDeletingDevOpsProject(name string) *devopsprojects.DevOpsProject {
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now := metav1.Now()
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return &devopsprojects.DevOpsProject{
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TypeMeta: metav1.TypeMeta{APIVersion: devopsprojects.SchemeGroupVersion.String()},
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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DeletionTimestamp: &now,
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Finalizers: []string{devopsprojects.DevOpsProjectFinalizerName},
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},
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}
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}
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func (f *fixture) newController() (*Controller, informers.SharedInformerFactory, kubeinformers.SharedInformerFactory, *fakeDevOps.Devops) {
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f.client = fake.NewSimpleClientset(f.objects...)
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f.kubeclient = k8sfake.NewSimpleClientset(f.kubeobjects...)
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i := informers.NewSharedInformerFactory(f.client, noResyncPeriodFunc())
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k8sI := kubeinformers.NewSharedInformerFactory(f.kubeclient, noResyncPeriodFunc())
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dI := fakeDevOps.New(f.initDevOpsProject...)
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c := NewController(f.kubeclient, f.client, dI,
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k8sI.Core().V1().Namespaces(),
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i.Devops().V1alpha3().DevOpsProjects(),
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i.Tenant().V1alpha1().Workspaces())
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c.devOpsProjectSynced = alwaysReady
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c.eventRecorder = &record.FakeRecorder{}
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for _, f := range f.devopsProjectLister {
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i.Devops().V1alpha3().DevOpsProjects().Informer().GetIndexer().Add(f)
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}
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for _, d := range f.namespaceLister {
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k8sI.Core().V1().Namespaces().Informer().GetIndexer().Add(d)
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}
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return c, i, k8sI, dI
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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(projectName string, startInformers bool, expectError bool) {
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c, i, k8sI, dI := 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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k8sI.Start(stopCh)
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}
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err := c.syncHandler(projectName)
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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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k8sActions := filterInformerActions(f.kubeclient.Actions())
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for i, action := range k8sActions {
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if len(f.kubeactions) < i+1 {
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f.t.Errorf("%d unexpected actions: %+v", len(k8sActions)-len(f.kubeactions), k8sActions[i:])
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break
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}
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expectedAction := f.kubeactions[i]
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checkAction(expectedAction, action, f.t)
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}
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if len(f.kubeactions) > len(k8sActions) {
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f.t.Errorf("%d additional expected actions:%+v", len(f.kubeactions)-len(k8sActions), f.kubeactions[len(k8sActions):])
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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(dI.Projects) != len(f.expectDevOpsProject) {
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f.t.Errorf(" unexpected objects: %v", dI.Projects)
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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", devopsprojects.ResourcePluralDevOpsProject) ||
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action.Matches("watch", devopsprojects.ResourcePluralDevOpsProject) ||
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action.Matches("list", "namespaces") ||
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action.Matches("watch", "namespaces") ||
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action.Matches("watch", "workspaces") ||
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action.Matches("list", "workspaces")) {
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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) expectUpdateDevOpsProjectAction(p *devopsprojects.DevOpsProject) {
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action := core.NewUpdateAction(schema.GroupVersionResource{Resource: devopsprojects.ResourcePluralDevOpsProject},
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p.Namespace, p)
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f.actions = append(f.actions, action)
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}
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func (f *fixture) expectUpdateNamespaceAction(p *v1.Namespace) {
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action := core.NewUpdateAction(schema.GroupVersionResource{
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Version: "v1",
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Resource: "namespaces",
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}, p.Namespace, p)
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f.kubeactions = append(f.kubeactions, action)
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}
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func (f *fixture) expectCreateNamespaceAction(p *v1.Namespace) {
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action := core.NewCreateAction(schema.GroupVersionResource{
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Version: "v1",
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Resource: "namespaces",
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}, p.Namespace, p)
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f.kubeactions = append(f.kubeactions, action)
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}
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func getKey(p *devopsprojects.DevOpsProject, t *testing.T) string {
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key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(p)
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if err != nil {
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t.Errorf("Unexpected error getting key for devopsprojects %v: %v", p.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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nsName := "test-123"
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projectName := "test"
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project := newDevOpsProject(projectName, nsName, true, true)
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ns := newNamespace(nsName, projectName, false, true)
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f.devopsProjectLister = append(f.devopsProjectLister, project)
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f.namespaceLister = append(f.namespaceLister, ns)
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f.objects = append(f.objects, project)
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f.initDevOpsProject = []string{ns.Name}
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f.expectDevOpsProject = []string{ns.Name}
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f.run(getKey(project, t))
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}
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func TestUpdateProjectFinalizers(t *testing.T) {
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f := newFixture(t)
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nsName := "test-123"
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projectName := "test"
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project := newDevOpsProject(projectName, nsName, false, true)
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ns := newNamespace(nsName, projectName, false, true)
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f.devopsProjectLister = append(f.devopsProjectLister, project)
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f.namespaceLister = append(f.namespaceLister, ns)
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f.objects = append(f.objects, project)
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f.kubeobjects = append(f.kubeobjects, ns)
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f.initDevOpsProject = []string{ns.Name}
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f.expectDevOpsProject = []string{ns.Name}
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expectUpdateProject := project.DeepCopy()
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expectUpdateProject.Finalizers = []string{devops.DevOpsProjectFinalizerName}
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f.expectUpdateDevOpsProjectAction(expectUpdateProject)
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f.run(getKey(project, t))
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}
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func TestUpdateProjectStatus(t *testing.T) {
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f := newFixture(t)
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nsName := "test-123"
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projectName := "test"
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project := newDevOpsProject(projectName, nsName, true, false)
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ns := newNamespace(nsName, projectName, false, true)
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f.devopsProjectLister = append(f.devopsProjectLister, project)
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f.namespaceLister = append(f.namespaceLister, ns)
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f.objects = append(f.objects, project)
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f.kubeobjects = append(f.kubeobjects, ns)
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f.initDevOpsProject = []string{ns.Name}
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f.expectDevOpsProject = []string{ns.Name}
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expectUpdateProject := project.DeepCopy()
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expectUpdateProject.Status.AdminNamespace = nsName
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f.expectUpdateDevOpsProjectAction(expectUpdateProject)
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f.run(getKey(project, t))
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}
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func TestUpdateNsOwnerReference(t *testing.T) {
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f := newFixture(t)
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nsName := "test-123"
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projectName := "test"
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project := newDevOpsProject(projectName, nsName, true, true)
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ns := newNamespace(nsName, projectName, false, false)
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f.devopsProjectLister = append(f.devopsProjectLister, project)
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f.namespaceLister = append(f.namespaceLister, ns)
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f.objects = append(f.objects, project)
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f.kubeobjects = append(f.kubeobjects, ns)
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f.initDevOpsProject = []string{ns.Name}
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f.expectDevOpsProject = []string{ns.Name}
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expectUpdateNs := newNamespace(nsName, projectName, false, true)
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f.expectUpdateNamespaceAction(expectUpdateNs)
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f.run(getKey(project, t))
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}
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func TestCreateDevOpsProjects(t *testing.T) {
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f := newFixture(t)
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project := newDevOpsProject("test", "", true, false)
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ns := newNamespace("test", "test", false, true)
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f.devopsProjectLister = append(f.devopsProjectLister, project)
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f.objects = append(f.objects, project)
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f.expectDevOpsProject = []string{""}
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expect := project.DeepCopy()
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expect.Status.AdminNamespace = "test"
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f.expectUpdateDevOpsProjectAction(expect)
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f.expectCreateNamespaceAction(ns)
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f.run(getKey(project, t))
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}
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func TestDeleteDevOpsProjects(t *testing.T) {
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f := newFixture(t)
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project := newDeletingDevOpsProject("test")
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f.devopsProjectLister = append(f.devopsProjectLister, project)
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f.objects = append(f.objects, project)
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f.initDevOpsProject = []string{project.Name}
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f.expectDevOpsProject = []string{project.Name}
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expectProject := project.DeepCopy()
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expectProject.Finalizers = []string{}
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f.expectUpdateDevOpsProjectAction(expectProject)
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f.run(getKey(project, t))
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}
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func TestDeleteDevOpsProjectsWithNull(t *testing.T) {
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f := newFixture(t)
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project := newDeletingDevOpsProject("test")
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f.devopsProjectLister = append(f.devopsProjectLister, project)
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f.objects = append(f.objects, project)
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f.expectDevOpsProject = []string{}
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expectProject := project.DeepCopy()
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expectProject.Finalizers = []string{}
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f.expectUpdateDevOpsProjectAction(expectProject)
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f.run(getKey(project, t))
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}
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