kubernetes/pkg/watch/watch_test.go
Clayton Coleman b2434de777 When connections are broken on Watch, write fewer errors to logs
Watch depends on long running connections, which intervening proxies
may break without the control of the remote server. Specific errors
handled are io.EOF, io.EOF wrapped by *url.Error, http connection
reset errors (caused by race conditions in golang http code), and
connection reset by peer (simply tolerated).
2014-12-18 16:15:51 -05:00

86 lines
1.9 KiB
Go

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