Files
kubesphere/pkg/controller/s2ibinary/s2ibinary_controller_test.go
runzexia 6a7bf0a86f add s2i controller test
Signed-off-by: runzexia <runzexia@yunify.com>
2020-03-19 09:53:16 +08:00

244 lines
7.0 KiB
Go

package s2ibinary
import (
fakeS3 "kubesphere.io/kubesphere/pkg/simple/client/s3/fake"
"reflect"
"testing"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/diff"
k8sfake "k8s.io/client-go/kubernetes/fake"
core "k8s.io/client-go/testing"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/tools/record"
s2i "kubesphere.io/kubesphere/pkg/apis/devops/v1alpha1"
"kubesphere.io/kubesphere/pkg/client/clientset/versioned/fake"
informers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
)
var (
alwaysReady = func() bool { return true }
noResyncPeriodFunc = func() time.Duration { return 0 }
)
type fixture struct {
t *testing.T
client *fake.Clientset
kubeclient *k8sfake.Clientset
// Objects to put in the store.
s2ibinaryLister []*s2i.S2iBinary
actions []core.Action
// Objects from here preloaded into NewSimpleFake.
objects []runtime.Object
// Objects from here preloaded into s3
initS3Objects []*fakeS3.Object
expectS3Objects []*fakeS3.Object
}
func newFixture(t *testing.T) *fixture {
f := &fixture{}
f.t = t
f.objects = []runtime.Object{}
return f
}
func newS2iBinary(name string, spec s2i.S2iBinarySpec) *s2i.S2iBinary {
return &s2i.S2iBinary{
TypeMeta: metav1.TypeMeta{APIVersion: s2i.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: metav1.NamespaceDefault,
},
Spec: s2i.S2iBinarySpec{
},
}
}
func newDeletingS2iBinary(name string) *s2i.S2iBinary {
deleteTime := metav1.Now()
return &s2i.S2iBinary{
TypeMeta: metav1.TypeMeta{APIVersion: s2i.SchemeGroupVersion.String()},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: metav1.NamespaceDefault,
Finalizers:[]string{s2i.S2iBinaryFinalizerName},
DeletionTimestamp: &deleteTime,
},
Spec: s2i.S2iBinarySpec{
},
}
}
func (f *fixture) newController() (*S2iBinaryController, informers.SharedInformerFactory, *fakeS3.FakeS3) {
f.client = fake.NewSimpleClientset(f.objects...)
f.kubeclient = k8sfake.NewSimpleClientset()
i := informers.NewSharedInformerFactory(f.client, noResyncPeriodFunc())
s3I := fakeS3.NewFakeS3(f.expectS3Objects...)
c := NewController(f.kubeclient, f.client, i.Devops().V1alpha1().S2iBinaries(), s3I)
c.s2iBinarySynced = alwaysReady
c.eventRecorder = &record.FakeRecorder{}
for _, f := range f.s2ibinaryLister {
i.Devops().V1alpha1().S2iBinaries().Informer().GetIndexer().Add(f)
}
return c, i, s3I
}
func (f *fixture) run(fooName string) {
f.runController(fooName, true, false)
}
func (f *fixture) runExpectError(fooName string) {
f.runController(fooName, true, true)
}
func (f *fixture) runController(s2iBinaryName string, startInformers bool, expectError bool) {
c, i, s3I := f.newController()
if startInformers {
stopCh := make(chan struct{})
defer close(stopCh)
i.Start(stopCh)
}
err := c.syncHandler(s2iBinaryName)
if !expectError && err != nil {
f.t.Errorf("error syncing foo: %v", err)
} else if expectError && err == nil {
f.t.Error("expected error syncing foo, got nil")
}
actions := filterInformerActions(f.client.Actions())
for i, action := range actions {
if len(f.actions) < i+1 {
f.t.Errorf("%d unexpected actions: %+v", len(actions)-len(f.actions), actions[i:])
break
}
expectedAction := f.actions[i]
checkAction(expectedAction, action, f.t)
}
if len(f.actions) > len(actions) {
f.t.Errorf("%d additional expected actions:%+v", len(f.actions)-len(actions), f.actions[len(actions):])
}
if len(s3I.Storage) != len(f.expectS3Objects){
f.t.Errorf(" unexpected objects: %v", s3I.Storage)
}
}
// checkAction verifies that expected and actual actions are equal and both have
// same attached resources
func checkAction(expected, actual core.Action, t *testing.T) {
if !(expected.Matches(actual.GetVerb(), actual.GetResource().Resource) && actual.GetSubresource() == expected.GetSubresource()) {
t.Errorf("Expected\n\t%#v\ngot\n\t%#v", expected, actual)
return
}
if reflect.TypeOf(actual) != reflect.TypeOf(expected) {
t.Errorf("Action has wrong type. Expected: %t. Got: %t", expected, actual)
return
}
switch a := actual.(type) {
case core.CreateActionImpl:
e, _ := expected.(core.CreateActionImpl)
expObject := e.GetObject()
object := a.GetObject()
if !reflect.DeepEqual(expObject, object) {
t.Errorf("Action %s %s has wrong object\nDiff:\n %s",
a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expObject, object))
}
case core.UpdateActionImpl:
e, _ := expected.(core.UpdateActionImpl)
expObject := e.GetObject()
object := a.GetObject()
if !reflect.DeepEqual(expObject, object) {
t.Errorf("Action %s %s has wrong object\nDiff:\n %s",
a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expObject, object))
}
case core.PatchActionImpl:
e, _ := expected.(core.PatchActionImpl)
expPatch := e.GetPatch()
patch := a.GetPatch()
if !reflect.DeepEqual(expPatch, patch) {
t.Errorf("Action %s %s has wrong patch\nDiff:\n %s",
a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expPatch, patch))
}
default:
t.Errorf("Uncaptured Action %s %s, you should explicitly add a case to capture it",
actual.GetVerb(), actual.GetResource().Resource)
}
}
// filterInformerActions filters list and watch actions for testing resources.
// Since list and watch don't change resource state we can filter it to lower
// nose level in our tests.
func filterInformerActions(actions []core.Action) []core.Action {
ret := []core.Action{}
for _, action := range actions {
if len(action.GetNamespace()) == 0 &&
(action.Matches("list", "foos") ||
action.Matches("watch", "foos") ||
action.Matches("list", "deployments") ||
action.Matches("watch", "deployments")) {
continue
}
ret = append(ret, action)
}
return ret
}
func (f *fixture) expectUpdateS2iBinaryAction(s2ibinary *s2i.S2iBinary) {
action := core.NewUpdateAction(schema.GroupVersionResource{Resource: s2i.ResourcePluralS2iBinary}, s2ibinary.Namespace, s2ibinary)
f.actions = append(f.actions, action)
}
func getKey(s2ibinary *s2i.S2iBinary, t *testing.T) string {
key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(s2ibinary)
if err != nil {
t.Errorf("Unexpected error getting key for s2ibinary %v: %v", s2ibinary.Name, err)
return ""
}
return key
}
func TestDoNothing(t *testing.T) {
f := newFixture(t)
s2iBinary := newS2iBinary("test", s2i.S2iBinarySpec{})
f.s2ibinaryLister = append(f.s2ibinaryLister, s2iBinary)
f.objects = append(f.objects, s2iBinary)
f.expectUpdateS2iBinaryAction(s2iBinary)
f.run(getKey(s2iBinary, t))
}
func TestDeleteS3Object(t *testing.T) {
f := newFixture(t)
s2iBinary := newDeletingS2iBinary("test")
f.s2ibinaryLister = append(f.s2ibinaryLister, s2iBinary)
f.objects = append(f.objects, s2iBinary)
f.initS3Objects = []*fakeS3.Object{&fakeS3.Object{
Key: "default-test",
},}
f.expectS3Objects = []*fakeS3.Object{}
f.expectUpdateS2iBinaryAction(s2iBinary)
f.run(getKey(s2iBinary, t))
}