mirror of https://github.com/knative/pkg.git
86 lines
2.7 KiB
Go
86 lines
2.7 KiB
Go
/*
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Copyright 2019 The Knative 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 testing includes utilities for testing controllers.
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package testing
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import (
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"regexp"
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"testing"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/tools/cache"
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)
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// KeyOrDie returns the string key of the Kubernetes object or panics if a key
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// cannot be generated.
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func KeyOrDie(obj interface{}) string {
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key, err := cache.MetaNamespaceKeyFunc(obj)
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if err != nil {
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panic(err)
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}
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return key
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}
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// ExpectNormalEventDelivery returns a hook function that can be passed to a
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// Hooks.OnCreate() call to verify that an event of type Normal was created
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// matching the given regular expression. For this expectation to be effective
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// the test must also call Hooks.WaitForHooks().
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func ExpectNormalEventDelivery(t *testing.T, messageRegexp string) CreateHookFunc {
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t.Helper()
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wantRegexp, err := regexp.Compile(messageRegexp)
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if err != nil {
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t.Fatal("Invalid regular expression:", err)
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}
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return func(obj runtime.Object) HookResult {
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t.Helper()
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event := obj.(*corev1.Event)
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if !wantRegexp.MatchString(event.Message) {
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return HookIncomplete
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}
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t.Logf("Got an event message matching %q: %q", wantRegexp, event.Message)
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if got, want := event.Type, corev1.EventTypeNormal; got != want {
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t.Errorf("unexpected event Type: %q expected: %q", got, want)
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}
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return HookComplete
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}
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}
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// ExpectWarningEventDelivery returns a hook function that can be passed to a
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// Hooks.OnCreate() call to verify that an event of type Warning was created
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// matching the given regular expression. For this expectation to be effective
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// the test must also call Hooks.WaitForHooks().
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func ExpectWarningEventDelivery(t *testing.T, messageRegexp string) CreateHookFunc {
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t.Helper()
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wantRegexp, err := regexp.Compile(messageRegexp)
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if err != nil {
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t.Fatal("Invalid regular expression:", err)
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}
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return func(obj runtime.Object) HookResult {
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t.Helper()
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event := obj.(*corev1.Event)
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if !wantRegexp.MatchString(event.Message) {
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return HookIncomplete
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}
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t.Logf("Got an event message matching %q: %q", wantRegexp, event.Message)
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if got, want := event.Type, corev1.EventTypeWarning; got != want {
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t.Errorf("unexpected event Type: %q expected: %q", got, want)
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}
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return HookComplete
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}
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}
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