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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package queue
import (
"context"
"io/ioutil"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestPersistableChannelQueue(t *testing.T) {
handleChan := make(chan *testData)
handle := func(data ...Data) {
assert.True(t, len(data) == 2)
for _, datum := range data {
testDatum := datum.(*testData)
handleChan <- testDatum
}
}
queueShutdown := []func(){}
queueTerminate := []func(){}
tmpDir, err := ioutil.TempDir("", "persistable-channel-queue-test-data")
assert.NoError(t, err)
defer os.RemoveAll(tmpDir)
queue, err := NewPersistableChannelQueue(handle, PersistableChannelQueueConfiguration{
DataDir: tmpDir,
BatchLength: 2,
QueueLength: 20,
Workers: 1,
MaxWorkers: 10,
}, &testData{})
assert.NoError(t, err)
go queue.Run(func(_ context.Context, shutdown func()) {
queueShutdown = append(queueShutdown, shutdown)
}, func(_ context.Context, terminate func()) {
queueTerminate = append(queueTerminate, terminate)
})
test1 := testData{"A", 1}
test2 := testData{"B", 2}
err = queue.Push(&test1)
assert.NoError(t, err)
go func() {
err = queue.Push(&test2)
assert.NoError(t, err)
}()
result1 := <-handleChan
assert.Equal(t, test1.TestString, result1.TestString)
assert.Equal(t, test1.TestInt, result1.TestInt)
result2 := <-handleChan
assert.Equal(t, test2.TestString, result2.TestString)
assert.Equal(t, test2.TestInt, result2.TestInt)
err = queue.Push(test1)
assert.Error(t, err)
for _, callback := range queueShutdown {
callback()
}
time.Sleep(200 * time.Millisecond)
err = queue.Push(&test1)
assert.NoError(t, err)
err = queue.Push(&test2)
assert.NoError(t, err)
select {
case <-handleChan:
assert.Fail(t, "Handler processing should have stopped")
default:
}
for _, callback := range queueTerminate {
callback()
}
// Reopen queue
queue, err = NewPersistableChannelQueue(handle, PersistableChannelQueueConfiguration{
DataDir: tmpDir,
BatchLength: 2,
QueueLength: 20,
Workers: 1,
MaxWorkers: 10,
}, &testData{})
assert.NoError(t, err)
go queue.Run(func(_ context.Context, shutdown func()) {
queueShutdown = append(queueShutdown, shutdown)
}, func(_ context.Context, terminate func()) {
queueTerminate = append(queueTerminate, terminate)
})
result3 := <-handleChan
assert.Equal(t, test1.TestString, result3.TestString)
assert.Equal(t, test1.TestInt, result3.TestInt)
result4 := <-handleChan
assert.Equal(t, test2.TestString, result4.TestString)
assert.Equal(t, test2.TestInt, result4.TestInt)
for _, callback := range queueShutdown {
callback()
}
for _, callback := range queueTerminate {
callback()
}
}
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