62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
|
/*
|
||
|
|
Copyright 2016 The Kubernetes Authors 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 util
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"testing"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Returns a function that will return n errors, then return successfully forever.
|
||
|
|
func errorGenerator(n int) func() error {
|
||
|
|
errors := 0
|
||
|
|
return func() (err error) {
|
||
|
|
if errors < n {
|
||
|
|
errors += 1
|
||
|
|
return fmt.Errorf("Error!")
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestErrorGenerator(t *testing.T) {
|
||
|
|
errors := 3
|
||
|
|
f := errorGenerator(errors)
|
||
|
|
for i := 0; i < errors-1; i++ {
|
||
|
|
if err := f(); err == nil {
|
||
|
|
t.Fatalf("Error should have been thrown at iteration %v", i)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if err := f(); err == nil {
|
||
|
|
t.Fatalf("Error should not have been thrown this call!")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestRetry(t *testing.T) {
|
||
|
|
|
||
|
|
f := errorGenerator(4)
|
||
|
|
if err := Retry(5, f); err != nil {
|
||
|
|
t.Fatalf("Error should not have been raised by retry.")
|
||
|
|
}
|
||
|
|
|
||
|
|
f = errorGenerator(5)
|
||
|
|
if err := Retry(4, f); err == nil {
|
||
|
|
t.Fatalf("Error should have been raised by retry.")
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|