| /* |
| Copyright 2015 The Kubernetes Authors. |
| |
| 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 async |
| |
| import ( |
| "fmt" |
| "sync" |
| "testing" |
| ) |
| |
| func TestRunner(t *testing.T) { |
| var ( |
| lock sync.Mutex |
| events []string |
| funcs []func(chan struct{}) |
| ) |
| done := make(chan struct{}, 20) |
| for i := 0; i < 10; i++ { |
| iCopy := i |
| funcs = append(funcs, func(c chan struct{}) { |
| lock.Lock() |
| events = append(events, fmt.Sprintf("%v starting\n", iCopy)) |
| lock.Unlock() |
| <-c |
| lock.Lock() |
| events = append(events, fmt.Sprintf("%v stopping\n", iCopy)) |
| lock.Unlock() |
| done <- struct{}{} |
| }) |
| } |
| |
| r := NewRunner(funcs...) |
| r.Start() |
| r.Stop() |
| for i := 0; i < 10; i++ { |
| <-done |
| } |
| if len(events) != 20 { |
| t.Errorf("expected 20 events, but got:\n%v\n", events) |
| } |
| } |