github.com/cloudwego/kitex@v0.9.0/pkg/retry/failure_test.go (about)

     1  /*
     2   * Copyright 2021 CloudWeGo Authors
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package retry
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/cloudwego/kitex/internal/test"
    24  )
    25  
    26  func BenchmarkRandomBackOff_Wait(b *testing.B) {
    27  	min := 10
    28  	max := 100
    29  	bk := &randomBackOff{
    30  		minMS: min,
    31  		maxMS: max,
    32  	}
    33  	b.RunParallel(func(pb *testing.PB) {
    34  		for pb.Next() {
    35  			ms := int(bk.randomDuration().Milliseconds())
    36  			test.Assert(b, ms <= max && ms >= min, ms)
    37  		}
    38  	})
    39  }
    40  
    41  func TestRandomBackOff_Wait(t *testing.T) {
    42  	const (
    43  		min = 99
    44  		max = 100
    45  	)
    46  	bk := &randomBackOff{
    47  		minMS: min,
    48  		maxMS: max,
    49  	}
    50  	startTime := time.Now()
    51  	bk.Wait(1)
    52  	waitTime := time.Since(startTime)
    53  	test.Assert(t, time.Millisecond*min <= waitTime)
    54  	test.Assert(t, waitTime < time.Millisecond*(max+5))
    55  }
    56  
    57  func TestRandomBackOff_String(t *testing.T) {
    58  	min := 10
    59  	max := 100
    60  	bk := &randomBackOff{
    61  		minMS: min,
    62  		maxMS: max,
    63  	}
    64  	msg := "RandomBackOff(10ms-100ms)"
    65  	test.Assert(t, bk.String() == msg)
    66  }
    67  
    68  func TestFixedBackOff_Wait(t *testing.T) {
    69  	const fix = 50
    70  	bk := &fixedBackOff{
    71  		fixMS: fix,
    72  	}
    73  	startTime := time.Now()
    74  	bk.Wait(1)
    75  	waitTime := time.Since(startTime)
    76  	test.Assert(t, time.Millisecond*fix <= waitTime)
    77  	test.Assert(t, waitTime < time.Millisecond*(fix+5))
    78  }
    79  
    80  func TestFixedBackOff_String(t *testing.T) {
    81  	fix := 50
    82  	bk := &fixedBackOff{
    83  		fixMS: fix,
    84  	}
    85  	msg := "FixedBackOff(50ms)"
    86  	test.Assert(t, bk.String() == msg)
    87  }
    88  
    89  func TestNoneBackOff_String(t *testing.T) {
    90  	bk := &noneBackOff{}
    91  	msg := "NoneBackOff"
    92  	test.Assert(t, bk.String() == msg)
    93  }