mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-15 01:23:45 +08:00
e81ccc406b
Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
545 lines
11 KiB
Go
545 lines
11 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package queue
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import (
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"sync"
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"testing"
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"time"
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"code.gitea.io/gitea/modules/log"
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"github.com/stretchr/testify/assert"
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)
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func TestPersistableChannelQueue(t *testing.T) {
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handleChan := make(chan *testData)
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handle := func(data ...Data) []Data {
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for _, datum := range data {
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if datum == nil {
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continue
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}
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testDatum := datum.(*testData)
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handleChan <- testDatum
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}
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return nil
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}
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lock := sync.Mutex{}
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queueShutdown := []func(){}
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queueTerminate := []func(){}
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tmpDir := t.TempDir()
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queue, err := NewPersistableChannelQueue(handle, PersistableChannelQueueConfiguration{
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DataDir: tmpDir,
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BatchLength: 2,
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QueueLength: 20,
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Workers: 1,
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BoostWorkers: 0,
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MaxWorkers: 10,
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Name: "first",
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}, &testData{})
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assert.NoError(t, err)
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readyForShutdown := make(chan struct{})
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readyForTerminate := make(chan struct{})
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go queue.Run(func(shutdown func()) {
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lock.Lock()
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defer lock.Unlock()
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select {
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case <-readyForShutdown:
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default:
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close(readyForShutdown)
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}
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queueShutdown = append(queueShutdown, shutdown)
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}, func(terminate func()) {
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lock.Lock()
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defer lock.Unlock()
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select {
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case <-readyForTerminate:
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default:
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close(readyForTerminate)
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}
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queueTerminate = append(queueTerminate, terminate)
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})
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test1 := testData{"A", 1}
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test2 := testData{"B", 2}
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err = queue.Push(&test1)
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assert.NoError(t, err)
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go func() {
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err := queue.Push(&test2)
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assert.NoError(t, err)
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}()
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result1 := <-handleChan
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assert.Equal(t, test1.TestString, result1.TestString)
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assert.Equal(t, test1.TestInt, result1.TestInt)
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result2 := <-handleChan
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assert.Equal(t, test2.TestString, result2.TestString)
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assert.Equal(t, test2.TestInt, result2.TestInt)
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// test1 is a testData not a *testData so will be rejected
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err = queue.Push(test1)
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assert.Error(t, err)
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<-readyForShutdown
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// Now shutdown the queue
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lock.Lock()
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callbacks := make([]func(), len(queueShutdown))
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copy(callbacks, queueShutdown)
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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// Wait til it is closed
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<-queue.(*PersistableChannelQueue).closed
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err = queue.Push(&test1)
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assert.NoError(t, err)
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err = queue.Push(&test2)
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assert.NoError(t, err)
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select {
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case <-handleChan:
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assert.Fail(t, "Handler processing should have stopped")
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default:
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}
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// terminate the queue
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<-readyForTerminate
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lock.Lock()
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callbacks = make([]func(), len(queueTerminate))
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copy(callbacks, queueTerminate)
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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select {
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case <-handleChan:
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assert.Fail(t, "Handler processing should have stopped")
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default:
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}
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// Reopen queue
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queue, err = NewPersistableChannelQueue(handle, PersistableChannelQueueConfiguration{
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DataDir: tmpDir,
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BatchLength: 2,
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QueueLength: 20,
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Workers: 1,
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BoostWorkers: 0,
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MaxWorkers: 10,
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Name: "second",
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}, &testData{})
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assert.NoError(t, err)
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readyForShutdown = make(chan struct{})
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readyForTerminate = make(chan struct{})
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go queue.Run(func(shutdown func()) {
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lock.Lock()
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defer lock.Unlock()
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select {
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case <-readyForShutdown:
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default:
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close(readyForShutdown)
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}
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queueShutdown = append(queueShutdown, shutdown)
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}, func(terminate func()) {
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lock.Lock()
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defer lock.Unlock()
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select {
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case <-readyForTerminate:
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default:
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close(readyForTerminate)
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}
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queueTerminate = append(queueTerminate, terminate)
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})
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result3 := <-handleChan
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assert.Equal(t, test1.TestString, result3.TestString)
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assert.Equal(t, test1.TestInt, result3.TestInt)
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result4 := <-handleChan
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assert.Equal(t, test2.TestString, result4.TestString)
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assert.Equal(t, test2.TestInt, result4.TestInt)
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<-readyForShutdown
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lock.Lock()
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callbacks = make([]func(), len(queueShutdown))
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copy(callbacks, queueShutdown)
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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<-readyForTerminate
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lock.Lock()
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callbacks = make([]func(), len(queueTerminate))
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copy(callbacks, queueTerminate)
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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}
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func TestPersistableChannelQueue_Pause(t *testing.T) {
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lock := sync.Mutex{}
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var queue Queue
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var err error
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pushBack := false
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handleChan := make(chan *testData)
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handle := func(data ...Data) []Data {
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lock.Lock()
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if pushBack {
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if pausable, ok := queue.(Pausable); ok {
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log.Info("pausing")
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pausable.Pause()
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}
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lock.Unlock()
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return data
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}
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lock.Unlock()
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for _, datum := range data {
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testDatum := datum.(*testData)
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handleChan <- testDatum
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}
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return nil
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}
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queueShutdown := []func(){}
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queueTerminate := []func(){}
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terminated := make(chan struct{})
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tmpDir := t.TempDir()
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queue, err = NewPersistableChannelQueue(handle, PersistableChannelQueueConfiguration{
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DataDir: tmpDir,
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BatchLength: 2,
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QueueLength: 20,
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Workers: 1,
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BoostWorkers: 0,
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MaxWorkers: 10,
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Name: "first",
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}, &testData{})
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assert.NoError(t, err)
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go func() {
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queue.Run(func(shutdown func()) {
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lock.Lock()
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defer lock.Unlock()
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queueShutdown = append(queueShutdown, shutdown)
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}, func(terminate func()) {
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lock.Lock()
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defer lock.Unlock()
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queueTerminate = append(queueTerminate, terminate)
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})
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close(terminated)
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}()
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// Shutdown and Terminate in defer
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defer func() {
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lock.Lock()
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callbacks := make([]func(), len(queueShutdown))
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copy(callbacks, queueShutdown)
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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lock.Lock()
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log.Info("Finally terminating")
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callbacks = make([]func(), len(queueTerminate))
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copy(callbacks, queueTerminate)
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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}()
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test1 := testData{"A", 1}
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test2 := testData{"B", 2}
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err = queue.Push(&test1)
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assert.NoError(t, err)
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pausable, ok := queue.(Pausable)
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if !assert.True(t, ok) {
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return
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}
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result1 := <-handleChan
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assert.Equal(t, test1.TestString, result1.TestString)
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assert.Equal(t, test1.TestInt, result1.TestInt)
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pausable.Pause()
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paused, _ := pausable.IsPausedIsResumed()
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select {
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case <-paused:
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case <-time.After(100 * time.Millisecond):
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assert.Fail(t, "Queue is not paused")
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return
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}
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queue.Push(&test2)
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var result2 *testData
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select {
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case result2 = <-handleChan:
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assert.Fail(t, "handler chan should be empty")
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case <-time.After(100 * time.Millisecond):
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}
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assert.Nil(t, result2)
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pausable.Resume()
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_, resumed := pausable.IsPausedIsResumed()
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select {
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case <-resumed:
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case <-time.After(100 * time.Millisecond):
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assert.Fail(t, "Queue should be resumed")
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return
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}
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select {
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case result2 = <-handleChan:
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case <-time.After(500 * time.Millisecond):
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assert.Fail(t, "handler chan should contain test2")
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}
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assert.Equal(t, test2.TestString, result2.TestString)
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assert.Equal(t, test2.TestInt, result2.TestInt)
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// Set pushBack to so that the next handle will result in a Pause
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lock.Lock()
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pushBack = true
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lock.Unlock()
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// Ensure that we're still resumed
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_, resumed = pausable.IsPausedIsResumed()
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select {
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case <-resumed:
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case <-time.After(100 * time.Millisecond):
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assert.Fail(t, "Queue is not resumed")
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return
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}
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// push test1
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queue.Push(&test1)
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// Now as this is handled it should pause
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paused, _ = pausable.IsPausedIsResumed()
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select {
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case <-paused:
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case <-handleChan:
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assert.Fail(t, "handler chan should not contain test1")
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return
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case <-time.After(500 * time.Millisecond):
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assert.Fail(t, "queue should be paused")
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return
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}
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lock.Lock()
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pushBack = false
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lock.Unlock()
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pausable.Resume()
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_, resumed = pausable.IsPausedIsResumed()
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select {
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case <-resumed:
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case <-time.After(500 * time.Millisecond):
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assert.Fail(t, "Queue should be resumed")
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return
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}
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select {
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case result1 = <-handleChan:
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case <-time.After(500 * time.Millisecond):
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assert.Fail(t, "handler chan should contain test1")
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return
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}
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assert.Equal(t, test1.TestString, result1.TestString)
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assert.Equal(t, test1.TestInt, result1.TestInt)
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lock.Lock()
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callbacks := make([]func(), len(queueShutdown))
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copy(callbacks, queueShutdown)
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queueShutdown = queueShutdown[:0]
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lock.Unlock()
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// Now shutdown the queue
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for _, callback := range callbacks {
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callback()
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}
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// Wait til it is closed
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select {
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case <-queue.(*PersistableChannelQueue).closed:
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case <-time.After(5 * time.Second):
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assert.Fail(t, "queue should close")
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return
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}
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err = queue.Push(&test1)
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assert.NoError(t, err)
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err = queue.Push(&test2)
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assert.NoError(t, err)
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select {
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case <-handleChan:
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assert.Fail(t, "Handler processing should have stopped")
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return
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default:
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}
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// terminate the queue
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lock.Lock()
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callbacks = make([]func(), len(queueTerminate))
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copy(callbacks, queueTerminate)
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queueShutdown = queueTerminate[:0]
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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select {
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case <-handleChan:
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assert.Fail(t, "Handler processing should have stopped")
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return
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case <-terminated:
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case <-time.After(10 * time.Second):
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assert.Fail(t, "Queue should have terminated")
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return
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}
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lock.Lock()
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pushBack = true
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lock.Unlock()
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// Reopen queue
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terminated = make(chan struct{})
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queue, err = NewPersistableChannelQueue(handle, PersistableChannelQueueConfiguration{
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DataDir: tmpDir,
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BatchLength: 1,
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QueueLength: 20,
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Workers: 1,
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BoostWorkers: 0,
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MaxWorkers: 10,
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Name: "second",
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}, &testData{})
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assert.NoError(t, err)
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pausable, ok = queue.(Pausable)
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if !assert.True(t, ok) {
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return
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}
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paused, _ = pausable.IsPausedIsResumed()
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go func() {
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queue.Run(func(shutdown func()) {
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lock.Lock()
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defer lock.Unlock()
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queueShutdown = append(queueShutdown, shutdown)
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}, func(terminate func()) {
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lock.Lock()
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defer lock.Unlock()
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queueTerminate = append(queueTerminate, terminate)
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})
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close(terminated)
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}()
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select {
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case <-handleChan:
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assert.Fail(t, "Handler processing should have stopped")
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return
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case <-paused:
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}
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paused, _ = pausable.IsPausedIsResumed()
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select {
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case <-paused:
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case <-time.After(500 * time.Millisecond):
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assert.Fail(t, "Queue is not paused")
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return
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}
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select {
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case <-handleChan:
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assert.Fail(t, "Handler processing should have stopped")
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return
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default:
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}
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lock.Lock()
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pushBack = false
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lock.Unlock()
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pausable.Resume()
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_, resumed = pausable.IsPausedIsResumed()
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select {
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case <-resumed:
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case <-time.After(500 * time.Millisecond):
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assert.Fail(t, "Queue should be resumed")
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return
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}
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var result3, result4 *testData
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select {
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case result3 = <-handleChan:
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case <-time.After(1 * time.Second):
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assert.Fail(t, "Handler processing should have resumed")
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return
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}
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select {
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case result4 = <-handleChan:
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case <-time.After(1 * time.Second):
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assert.Fail(t, "Handler processing should have resumed")
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return
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}
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if result4.TestString == test1.TestString {
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result3, result4 = result4, result3
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}
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assert.Equal(t, test1.TestString, result3.TestString)
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assert.Equal(t, test1.TestInt, result3.TestInt)
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assert.Equal(t, test2.TestString, result4.TestString)
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assert.Equal(t, test2.TestInt, result4.TestInt)
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lock.Lock()
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callbacks = make([]func(), len(queueShutdown))
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copy(callbacks, queueShutdown)
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queueShutdown = queueShutdown[:0]
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lock.Unlock()
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// Now shutdown the queue
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for _, callback := range callbacks {
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callback()
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}
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// terminate the queue
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lock.Lock()
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callbacks = make([]func(), len(queueTerminate))
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copy(callbacks, queueTerminate)
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queueShutdown = queueTerminate[:0]
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lock.Unlock()
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for _, callback := range callbacks {
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callback()
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}
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select {
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case <-time.After(10 * time.Second):
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assert.Fail(t, "Queue should have terminated")
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return
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case <-terminated:
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}
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}
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