pkg/reconciler/testing/generate_name_reactor_test.go

105 lines
2.7 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 testing
import (
"testing"
"github.com/google/go-cmp/cmp"
appsv1 "k8s.io/api/apps/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
clientgotesting "k8s.io/client-go/testing"
)
var deploymentsResource = schema.GroupVersionResource{Group: "apps", Version: "v1", Resource: "deployments"}
func TestGenerateNameReactor(t *testing.T) {
tests := []struct {
name string
deployment *appsv1.Deployment
expectedName string
}{{
name: "resource with name",
expectedName: "basic",
deployment: &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Name: "basic",
},
},
}, {
name: "resource with generatedName",
expectedName: "fancy-00001",
deployment: &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "fancy-",
},
},
}, {
name: "resource with name and generatedName",
expectedName: "fancy-00002",
deployment: &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Name: "fancy-00002",
GenerateName: "fancy-",
},
},
}, {
name: "broken resource with no names",
expectedName: "",
deployment: &appsv1.Deployment{},
}}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
lastHandlerInvoked := false
fake := &clientgotesting.Fake{}
var mutated *appsv1.Deployment
fake.AddReactor("*", "*", func(action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
create, ok := action.(clientgotesting.CreateAction)
if !ok {
return false, nil, nil
}
deploy, ok := create.GetObject().(*appsv1.Deployment)
if !ok {
return false, nil, nil
}
lastHandlerInvoked = true
mutated = deploy
return false, nil, nil
})
PrependGenerateNameReactor(fake)
action := clientgotesting.NewCreateAction(deploymentsResource, "namespace", tc.deployment)
fake.Invokes(action, &appsv1.Deployment{})
if diff := cmp.Diff(tc.expectedName, mutated.GetName()); diff != "" {
t.Error(diff)
}
if !lastHandlerInvoked {
t.Error("GenreateNameReactor should not interfere with the fake's ReactionChain")
}
})
}
}