pkg/injection/informers_test.go

77 lines
2.1 KiB
Go

/*
Copyright 2019 The Knative 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 injection
import (
"context"
"testing"
"k8s.io/client-go/rest"
"knative.dev/pkg/controller"
)
type fakeInformer struct{}
// HasSynced implements controller.Informer
func (*fakeInformer) HasSynced() bool {
return false
}
// Run implements controller.Informer
func (*fakeInformer) Run(<-chan struct{}) {}
var _ controller.Informer = (*fakeInformer)(nil)
func injectFooInformer(ctx context.Context) (context.Context, controller.Informer) {
return ctx, nil
}
func injectBarInformer(ctx context.Context) (context.Context, controller.Informer) {
return ctx, nil
}
func injectFooFilteredInformers(ctx context.Context) (context.Context, []controller.Informer) {
return ctx, []controller.Informer{nil, nil}
}
func TestRegisterInformersAndSetup(t *testing.T) {
i := &impl{}
if want, got := 0, len(i.GetInformers()); got != want {
t.Errorf("GetInformerFactories() = %d, wanted %d", want, got)
}
i.RegisterClient(injectFoo)
i.RegisterClient(injectBar)
i.RegisterInformerFactory(injectFooFactory)
i.RegisterInformerFactory(injectBarFactory)
i.RegisterInformer(injectFooInformer)
i.RegisterInformer(injectBarInformer)
i.RegisterFilteredInformers(injectFooFilteredInformers)
_, infs := i.SetupInformers(context.Background(), &rest.Config{})
// 2 nil informers injectFooInformer and injectBarInformer are registered by RegisterInformer,
// and another 2 nil informers are registered by injectFooFilteredInformers
if want, got := 4, len(infs); got != want {
t.Errorf("SetupInformers() = %d, wanted %d", want, got)
}
}