| /* |
| * 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 queue |
| |
| import ( |
| "context" |
| "fmt" |
| "sync/atomic" |
| "testing" |
| "time" |
| ) |
| |
| func TestNewUniQueue(t *testing.T) { |
| uq := NewUniQueue() |
| if uq == nil { |
| t.Fatalf("NewUniQueue should return ok") |
| } |
| } |
| |
| func TestUniQueue_Close(t *testing.T) { |
| uq := NewUniQueue() |
| err := uq.Put("abc") |
| if err != nil { |
| t.Fatalf("NewUniQueue should return ok") |
| } |
| |
| uq.Close() |
| |
| item := uq.Get(context.Background()) |
| if item != nil { |
| t.Fatalf("Get expect '%v' to 'nil' when queue closed", item) |
| } |
| |
| uq.Close() |
| } |
| |
| func TestUniQueue_Get(t *testing.T) { |
| uq := NewUniQueue() |
| defer uq.Close() |
| |
| ctx, _ := context.WithTimeout(context.Background(), time.Second) |
| start := time.Now() |
| item := uq.Get(ctx) |
| if time.Since(start) < time.Second || item != nil { |
| t.Fatalf("Get should be timed out, result: %v", item) |
| } |
| |
| err := uq.Put("abc") |
| if err != nil { |
| t.Fatalf("Put('abc') should be ok") |
| } |
| err = uq.Put("efg") |
| if err != nil { |
| t.Fatalf("Put('efg') should be ok") |
| } |
| |
| ctx, _ = context.WithTimeout(context.Background(), time.Second) |
| item = uq.Get(ctx) |
| if item == nil || item.(string) != "efg" { |
| t.Fatalf("Get expect '%v' to 'efg'", item) |
| } |
| |
| err = uq.Put("abc") |
| if err != nil { |
| t.Fatalf("Put('abc') should be ok") |
| } |
| err = uq.Put("efg") |
| if err != nil { |
| t.Fatalf("Put('efg') should be ok") |
| } |
| |
| ctx, cancel := context.WithCancel(context.Background()) |
| go func() { |
| item = <-uq.Chan() |
| if item == nil || item.(string) != "efg" { |
| t.Fatalf("Get expect '%v' to 'efg'", item) |
| } |
| cancel() |
| }() |
| <-ctx.Done() |
| } |
| |
| func TestUniQueue_Put(t *testing.T) { |
| uq := NewUniQueue() |
| |
| err := uq.Put(1) |
| if err != nil { |
| t.Fatalf("Put(1) should be ok") |
| } |
| uq.Close() |
| err = uq.Put(2) |
| if err == nil { |
| t.Fatalf("Put(2) should return 'channel is closed' error") |
| } |
| } |
| |
| func BenchmarkUniQueue_Get(b *testing.B) { |
| var g int32 = 0 |
| closed := make(chan struct{}) |
| uq := NewUniQueue() |
| go func() { |
| for { |
| item := uq.Get(context.Background()) |
| if item == nil { |
| fmt.Println("Parallel:", b.N) |
| close(closed) |
| return |
| } |
| <-time.After(50 * time.Millisecond) |
| fmt.Println(item.(int32)) |
| } |
| }() |
| b.RunParallel(func(pb *testing.PB) { |
| for pb.Next() { |
| err := uq.Put(atomic.AddInt32(&g, 1)) |
| if err != nil { |
| b.Fatalf("BenchmarkUniQueue_Get failed") |
| } |
| } |
| }) |
| uq.Close() |
| <-closed |
| b.ReportAllocs() |
| // 5000000 389 ns/op 4 B/op 1 allocs/op |
| } |