83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2016 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"testing"
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"time"
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)
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// Tests for retry timer.
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func TestRetryTimerSimple(t *testing.T) {
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doneCh := make(chan struct{})
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attemptCh := newRetryTimerSimple(doneCh)
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i := <-attemptCh
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if i != 0 {
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close(doneCh)
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t.Fatalf("Invalid attempt counter returned should be 0, found %d instead", i)
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}
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i = <-attemptCh
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if i <= 0 {
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close(doneCh)
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t.Fatalf("Invalid attempt counter returned should be greater than 0, found %d instead", i)
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}
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close(doneCh)
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_, ok := <-attemptCh
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if ok {
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t.Fatal("Attempt counter should be closed")
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}
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}
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// Test retry time with no jitter.
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func TestRetryTimerWithNoJitter(t *testing.T) {
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doneCh := make(chan struct{})
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// No jitter
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attemptCh := newRetryTimerWithJitter(time.Millisecond, 5*time.Millisecond, NoJitter, doneCh)
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i := <-attemptCh
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if i != 0 {
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close(doneCh)
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t.Fatalf("Invalid attempt counter returned should be 0, found %d instead", i)
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}
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// Loop through the maximum possible attempt.
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for i = range attemptCh {
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if i == 30 {
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close(doneCh)
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}
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}
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_, ok := <-attemptCh
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if ok {
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t.Fatal("Attempt counter should be closed")
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}
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}
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// Test retry time with Jitter greater than MaxJitter.
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func TestRetryTimerWithJitter(t *testing.T) {
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doneCh := make(chan struct{})
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// Jitter will be set back to 1.0
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attemptCh := newRetryTimerWithJitter(defaultRetryUnit, defaultRetryCap, 2.0, doneCh)
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i := <-attemptCh
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if i != 0 {
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close(doneCh)
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t.Fatalf("Invalid attempt counter returned should be 0, found %d instead", i)
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}
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close(doneCh)
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_, ok := <-attemptCh
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if ok {
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t.Fatal("Attempt counter should be closed")
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}
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}
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