mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-07-01 10:20:35 +00:00
108 lines
2.3 KiB
Go
108 lines
2.3 KiB
Go
/*
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Copyright 2014 The Kubernetes 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 watch_test
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import (
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"fmt"
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"io"
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"reflect"
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"testing"
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"sigs.k8s.io/kustomize/pseudo/k8s/apimachinery/pkg/runtime"
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. "sigs.k8s.io/kustomize/pseudo/k8s/apimachinery/pkg/watch"
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)
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type fakeDecoder struct {
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items chan Event
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err error
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}
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func (f fakeDecoder) Decode() (action EventType, object runtime.Object, err error) {
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if f.err != nil {
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return "", nil, f.err
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}
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item, open := <-f.items
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if !open {
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return action, nil, io.EOF
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}
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return item.Type, item.Object, nil
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}
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func (f fakeDecoder) Close() {
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if f.items != nil {
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close(f.items)
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}
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}
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type fakeReporter struct {
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err error
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}
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func (f *fakeReporter) AsObject(err error) runtime.Object {
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f.err = err
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return runtime.Unstructured(nil)
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}
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func TestStreamWatcher(t *testing.T) {
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table := []Event{
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{Type: Added, Object: testType("foo")},
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}
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fd := fakeDecoder{items: make(chan Event, 5)}
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sw := NewStreamWatcher(fd, nil)
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for _, item := range table {
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fd.items <- item
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got, open := <-sw.ResultChan()
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if !open {
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t.Errorf("unexpected early close")
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}
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if e, a := item, got; !reflect.DeepEqual(e, a) {
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t.Errorf("expected %v, got %v", e, a)
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}
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}
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sw.Stop()
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_, open := <-sw.ResultChan()
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if open {
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t.Errorf("Unexpected failure to close")
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}
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}
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func TestStreamWatcherError(t *testing.T) {
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fd := fakeDecoder{err: fmt.Errorf("test error")}
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fr := &fakeReporter{}
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sw := NewStreamWatcher(fd, fr)
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evt, ok := <-sw.ResultChan()
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if !ok {
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t.Fatalf("unexpected close")
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}
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if evt.Type != Error || evt.Object != runtime.Unstructured(nil) {
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t.Fatalf("unexpected object: %#v", evt)
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}
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_, ok = <-sw.ResultChan()
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if ok {
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t.Fatalf("unexpected open channel")
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}
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sw.Stop()
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_, ok = <-sw.ResultChan()
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if ok {
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t.Fatalf("unexpected open channel")
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}
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}
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