c88c5916bb
Uses a fuzzy timer to reduce chance of multiple clients synchronizing.
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
// Copyright 2017 CoreOS, Inc.
|
|
//
|
|
// 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 client
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func init() {
|
|
// use quicker backoff for testing
|
|
backoffStart = time.Millisecond
|
|
backoffTries = 3
|
|
}
|
|
|
|
type tmpErr struct{}
|
|
|
|
func (e tmpErr) Error() string { return "fake temporary error" }
|
|
func (e tmpErr) Temporary() bool { return true }
|
|
func (e tmpErr) Timeout() bool { return false }
|
|
|
|
func TestExpNetBackoff(t *testing.T) {
|
|
tries := 0
|
|
err := expNetBackoff(func() error {
|
|
tries++
|
|
if tries < 2 {
|
|
return tmpErr{}
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
if tries != 2 {
|
|
t.Errorf("unexpected # of tries: %d", tries)
|
|
}
|
|
}
|