| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 ( |
| "testing" |
| |
| "errors" |
| "golang.org/x/net/context" |
| "time" |
| ) |
| |
| type testTask struct { |
| done context.CancelFunc |
| test string |
| result bool |
| wait time.Duration |
| } |
| |
| func (tt *testTask) Key() string { |
| return "test" |
| } |
| |
| func (tt *testTask) Err() error { |
| if tt.result { |
| return nil |
| } |
| return errors.New(tt.test) |
| } |
| |
| func (tt *testTask) Do(ctx context.Context) error { |
| if tt.done != nil { |
| defer tt.done() |
| } |
| wait := tt.wait |
| if wait == 0 { |
| <-time.After(time.Second) |
| } else { |
| <-time.After(wait) |
| } |
| return tt.Err() |
| } |
| |
| func TestBaseAsyncTasker_AddTask(t *testing.T) { |
| at := NewTaskService() |
| at.Run() |
| defer at.Stop() |
| |
| ctx, cancel := context.WithCancel(context.Background()) |
| err := at.Add(ctx, nil) |
| if err == nil { |
| t.Fatalf("add nil task should be error") |
| } |
| cancel() |
| |
| testCtx1, testC1 := context.WithCancel(context.Background()) |
| err = at.Add(testCtx1, &testTask{ |
| done: testC1, |
| test: "test1", |
| }) |
| if testCtx1.Err() == nil || err == nil || err.Error() != "test1" { |
| t.Fatalf("first time add task should be sync") |
| } |
| lt, _ := at.LatestHandled("test") |
| if lt.Err().Error() != "test1" { |
| t.Fatalf("should get first handled task 'test1'") |
| } |
| |
| testCtx2, testC2 := context.WithTimeout(context.Background(), 3*time.Second) |
| err = at.Add(testCtx2, &testTask{ |
| done: testC2, |
| test: "test2", |
| }) |
| if err.Error() != "test1" { |
| t.Fatalf("second time add task should return prev result") |
| } |
| <-testCtx2.Done() |
| lt, _ = at.LatestHandled("test") |
| if lt.Err().Error() != "test2" { |
| t.Fatalf("should get second handled task 'test2'") |
| } |
| } |
| |
| func TestBaseAsyncTasker_Stop(t *testing.T) { |
| at := NewTaskService() |
| at.Stop() |
| at.Run() |
| |
| _, cancel := context.WithCancel(context.Background()) |
| err := at.Add(context.Background(), &testTask{ |
| done: cancel, |
| test: "test stop", |
| result: true, |
| }) |
| if err != nil { |
| t.Fatalf("add task should be ok") |
| } |
| _, cancel = context.WithCancel(context.Background()) |
| err = at.Add(context.Background(), &testTask{ |
| done: cancel, |
| test: "test stop", |
| wait: 3 * time.Second, |
| result: true, |
| }) |
| if err != nil { |
| t.Fatalf("add task should be ok") |
| } |
| <-time.After(time.Second) |
| at.Stop() |
| |
| err = at.Add(context.Background(), &testTask{result: true}) |
| if err != nil { |
| t.Fatalf("add task should be ok when Tasker is stopped") |
| } |
| |
| at.Stop() |
| } |