mirror of https://github.com/milvus-io/milvus.git
				
				
				
			
		
			
				
	
	
		
			131 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
// Copyright (C) 2019-2020 Zilliz. 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 retry
 | 
						|
 | 
						|
import (
 | 
						|
	"context"
 | 
						|
	"fmt"
 | 
						|
	"testing"
 | 
						|
	"time"
 | 
						|
 | 
						|
	"github.com/lingdor/stackerror"
 | 
						|
	"github.com/stretchr/testify/assert"
 | 
						|
)
 | 
						|
 | 
						|
func TestDo(t *testing.T) {
 | 
						|
	ctx := context.Background()
 | 
						|
 | 
						|
	n := 0
 | 
						|
	testFn := func() error {
 | 
						|
		if n < 3 {
 | 
						|
			n++
 | 
						|
			return fmt.Errorf("some error")
 | 
						|
		}
 | 
						|
		return nil
 | 
						|
	}
 | 
						|
 | 
						|
	err := Do(ctx, testFn)
 | 
						|
	assert.Nil(t, err)
 | 
						|
}
 | 
						|
 | 
						|
func TestAttempts(t *testing.T) {
 | 
						|
	ctx := context.Background()
 | 
						|
 | 
						|
	testFn := func() error {
 | 
						|
		return fmt.Errorf("some error")
 | 
						|
	}
 | 
						|
 | 
						|
	err := Do(ctx, testFn, Attempts(1))
 | 
						|
	assert.NotNil(t, err)
 | 
						|
	fmt.Println(err)
 | 
						|
}
 | 
						|
 | 
						|
func TestMaxSleepTime(t *testing.T) {
 | 
						|
	ctx := context.Background()
 | 
						|
 | 
						|
	testFn := func() error {
 | 
						|
		return fmt.Errorf("some error")
 | 
						|
	}
 | 
						|
 | 
						|
	err := Do(ctx, testFn, Attempts(3), MaxSleepTime(200*time.Millisecond))
 | 
						|
	assert.NotNil(t, err)
 | 
						|
	fmt.Println(err)
 | 
						|
}
 | 
						|
 | 
						|
func TestSleep(t *testing.T) {
 | 
						|
	ctx := context.Background()
 | 
						|
 | 
						|
	testFn := func() error {
 | 
						|
		return fmt.Errorf("some error")
 | 
						|
	}
 | 
						|
 | 
						|
	err := Do(ctx, testFn, Attempts(3), Sleep(500*time.Millisecond))
 | 
						|
	assert.NotNil(t, err)
 | 
						|
	fmt.Println(err)
 | 
						|
}
 | 
						|
 | 
						|
func TestAllError(t *testing.T) {
 | 
						|
	ctx := context.Background()
 | 
						|
 | 
						|
	testFn := func() error {
 | 
						|
		return stackerror.New("some error")
 | 
						|
	}
 | 
						|
 | 
						|
	err := Do(ctx, testFn, Attempts(3))
 | 
						|
	assert.NotNil(t, err)
 | 
						|
	fmt.Println(err)
 | 
						|
}
 | 
						|
 | 
						|
func TestUnRecoveryError(t *testing.T) {
 | 
						|
	attempts := 0
 | 
						|
	ctx := context.Background()
 | 
						|
 | 
						|
	testFn := func() error {
 | 
						|
		attempts++
 | 
						|
		return Unrecoverable(fmt.Errorf("some error"))
 | 
						|
	}
 | 
						|
 | 
						|
	err := Do(ctx, testFn, Attempts(3))
 | 
						|
	assert.NotNil(t, err)
 | 
						|
	assert.Equal(t, attempts, 1)
 | 
						|
}
 | 
						|
 | 
						|
func TestContextDeadline(t *testing.T) {
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
 | 
						|
	defer cancel()
 | 
						|
 | 
						|
	testFn := func() error {
 | 
						|
		return fmt.Errorf("some error")
 | 
						|
	}
 | 
						|
 | 
						|
	err := Do(ctx, testFn)
 | 
						|
	assert.NotNil(t, err)
 | 
						|
	fmt.Println(err)
 | 
						|
}
 | 
						|
 | 
						|
func TestContextCancel(t *testing.T) {
 | 
						|
	ctx, cancel := context.WithCancel(context.Background())
 | 
						|
 | 
						|
	testFn := func() error {
 | 
						|
		return fmt.Errorf("some error")
 | 
						|
	}
 | 
						|
 | 
						|
	go func() {
 | 
						|
		time.Sleep(100 * time.Millisecond)
 | 
						|
		cancel()
 | 
						|
	}()
 | 
						|
 | 
						|
	err := Do(ctx, testFn)
 | 
						|
	assert.NotNil(t, err)
 | 
						|
	fmt.Println(err)
 | 
						|
}
 |