github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/pkg/retry/error_retry_test.go (about)

     1  // Copyright 2023 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //	http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  package retry
    14  
    15  import (
    16  	"testing"
    17  	"time"
    18  
    19  	"github.com/pingcap/errors"
    20  	"github.com/stretchr/testify/require"
    21  )
    22  
    23  func TestGetRetryBackoff(t *testing.T) {
    24  	t.Parallel()
    25  
    26  	r := NewDefaultErrorRetry()
    27  	// test retry backoff
    28  	backoff, err := r.GetRetryBackoff(errors.New("test"))
    29  	require.NoError(t, err)
    30  	require.Less(t, backoff, 30*time.Second)
    31  	time.Sleep(500 * time.Millisecond)
    32  	elapsedTime := time.Since(r.firstRetryTime)
    33  
    34  	// mock time to test reset error backoff
    35  	r.lastErrorRetryTime = time.Unix(0, 0)
    36  	_, err = r.GetRetryBackoff(errors.New("test"))
    37  	require.NoError(t, err)
    38  	require.Less(t, time.Since(r.firstRetryTime), elapsedTime)
    39  }