k3s/pkg/client/record/event_test.go

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/*
Copyright 2014 Google Inc. All rights reserved.
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 record_test
import (
"fmt"
"reflect"
"testing"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/client/record"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
)
type testEventRecorder struct {
OnEvent func(e *api.Event) (*api.Event, error)
}
// CreateEvent records the event for testing.
func (t *testEventRecorder) CreateEvent(e *api.Event) (*api.Event, error) {
if t.OnEvent != nil {
return t.OnEvent(e)
}
return e, nil
}
func (t *testEventRecorder) clearOnEvent() {
t.OnEvent = nil
}
func TestEventf(t *testing.T) {
table := []struct {
obj runtime.Object
fieldPath, status, reason string
messageFmt string
elements []interface{}
expect *api.Event
expectLog string
}{
{
obj: &api.Pod{
TypeMeta: api.TypeMeta{
SelfLink: "/api/v1beta1/pods/foo",
ID: "foo",
},
},
fieldPath: "desiredState.manifest.containers[2]",
status: "running",
reason: "started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &api.Event{
InvolvedObject: api.ObjectReference{
Kind: "Pod",
Name: "foo",
UID: "foo",
APIVersion: "v1beta1",
FieldPath: "desiredState.manifest.containers[2]",
},
Status: "running",
Reason: "started",
Message: "some verbose message: 1",
Source: "eventTest",
},
expectLog: `Event(api.ObjectReference{Kind:"Pod", Namespace:"", Name:"foo", UID:"foo", APIVersion:"v1beta1", ResourceVersion:"", FieldPath:"desiredState.manifest.containers[2]"}): status: 'running', reason: 'started' some verbose message: 1`,
},
}
for _, item := range table {
called := make(chan struct{})
testEvents := testEventRecorder{
OnEvent: func(a *api.Event) (*api.Event, error) {
if e := item.expect; !reflect.DeepEqual(e, a) {
t.Errorf("diff: %s", util.ObjectDiff(e, a))
}
called <- struct{}{}
return a, nil
},
}
recorder := record.StartRecording(&testEvents, "eventTest")
logger := record.StartLogging(t.Logf) // Prove that it is useful
logger2 := record.StartLogging(func(formatter string, args ...interface{}) {
if e, a := item.expectLog, fmt.Sprintf(formatter, args...); e != a {
t.Errorf("Expected '%v', got '%v'", e, a)
}
called <- struct{}{}
})
record.Eventf(item.obj, item.fieldPath, item.status, item.reason, item.messageFmt, item.elements...)
<-called
<-called
recorder.Stop()
logger.Stop()
logger2.Stop()
}
}