mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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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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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package probe
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import (
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestLivenessLock(t *testing.T) {
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p := &LivenessProbe{}
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assert.True(t, p.waitUntilNotLocked(time.Millisecond))
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// Test single lock
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p.Lock()
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assert.False(t, p.waitUntilNotLocked(time.Millisecond))
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p.Unlock()
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assert.True(t, p.waitUntilNotLocked(time.Millisecond))
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// Test multiple locks
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p.Lock()
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assert.False(t, p.waitUntilNotLocked(time.Millisecond))
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p.Lock()
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assert.False(t, p.waitUntilNotLocked(time.Millisecond))
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p.Unlock()
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assert.False(t, p.waitUntilNotLocked(time.Millisecond))
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p.Unlock()
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assert.True(t, p.waitUntilNotLocked(time.Millisecond))
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// Test concurrent waits
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wg := sync.WaitGroup{}
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p.Lock()
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wg.Add(1)
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go func() {
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// Waiter 1
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defer wg.Done()
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assert.True(t, p.waitUntilNotLocked(time.Millisecond*200))
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}()
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wg.Add(1)
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go func() {
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// Waiter 2
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defer wg.Done()
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assert.True(t, p.waitUntilNotLocked(time.Millisecond*200))
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}()
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wg.Add(1)
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go func() {
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// Waiter 3
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defer wg.Done()
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assert.False(t, p.waitUntilNotLocked(time.Millisecond*5))
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}()
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wg.Add(1)
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go func() {
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// Unlocker
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defer wg.Done()
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time.Sleep(time.Millisecond * 50)
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p.Unlock()
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}()
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wg.Wait()
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}
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