135 lines
3 KiB
Go
135 lines
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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"testing"
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"k8s.io/apimachinery/pkg/runtime/schema"
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. "k8s.io/apimachinery/pkg/watch"
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)
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type testType string
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func (obj testType) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind }
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func TestFake(t *testing.T) {
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f := NewFake()
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table := []struct {
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t EventType
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s testType
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}{
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{Added, testType("foo")},
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{Modified, testType("qux")},
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{Modified, testType("bar")},
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{Deleted, testType("bar")},
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{Error, testType("error: blah")},
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}
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// Prove that f implements Interface by phrasing this as a function.
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consumer := func(w Interface) {
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for _, expect := range table {
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got, ok := <-w.ResultChan()
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if !ok {
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t.Fatalf("closed early")
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}
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if e, a := expect.t, got.Type; e != a {
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t.Fatalf("Expected %v, got %v", e, a)
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}
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if a, ok := got.Object.(testType); !ok || a != expect.s {
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t.Fatalf("Expected %v, got %v", expect.s, a)
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}
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}
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_, stillOpen := <-w.ResultChan()
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if stillOpen {
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t.Fatal("Never stopped")
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}
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}
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sender := func() {
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f.Add(testType("foo"))
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f.Action(Modified, testType("qux"))
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f.Modify(testType("bar"))
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f.Delete(testType("bar"))
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f.Error(testType("error: blah"))
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f.Stop()
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}
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go sender()
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consumer(f)
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}
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func TestRaceFreeFake(t *testing.T) {
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f := NewRaceFreeFake()
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table := []struct {
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t EventType
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s testType
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}{
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{Added, testType("foo")},
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{Modified, testType("qux")},
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{Modified, testType("bar")},
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{Deleted, testType("bar")},
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{Error, testType("error: blah")},
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}
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// Prove that f implements Interface by phrasing this as a function.
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consumer := func(w Interface) {
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for _, expect := range table {
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got, ok := <-w.ResultChan()
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if !ok {
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t.Fatalf("closed early")
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}
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if e, a := expect.t, got.Type; e != a {
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t.Fatalf("Expected %v, got %v", e, a)
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}
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if a, ok := got.Object.(testType); !ok || a != expect.s {
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t.Fatalf("Expected %v, got %v", expect.s, a)
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}
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}
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_, stillOpen := <-w.ResultChan()
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if stillOpen {
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t.Fatal("Never stopped")
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}
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}
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sender := func() {
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f.Add(testType("foo"))
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f.Action(Modified, testType("qux"))
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f.Modify(testType("bar"))
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f.Delete(testType("bar"))
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f.Error(testType("error: blah"))
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f.Stop()
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}
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go sender()
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consumer(f)
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}
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func TestEmpty(t *testing.T) {
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w := NewEmptyWatch()
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_, ok := <-w.ResultChan()
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if ok {
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t.Errorf("unexpected result channel result")
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}
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w.Stop()
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_, ok = <-w.ResultChan()
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if ok {
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t.Errorf("unexpected result channel result")
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}
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}
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