mirror of https://github.com/go-gitea/gitea.git
97 lines
1.9 KiB
Go
97 lines
1.9 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package globallock
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import (
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"context"
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"os"
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"sync"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestLockAndDo(t *testing.T) {
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t.Run("redis", func(t *testing.T) {
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url := "redis://127.0.0.1:6379/0"
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if os.Getenv("CI") == "" {
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// Make it possible to run tests against a local redis instance
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url = os.Getenv("TEST_REDIS_URL")
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if url == "" {
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t.Skip("TEST_REDIS_URL not set and not running in CI")
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return
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}
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}
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oldDefaultLocker := defaultLocker
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oldInitFunc := initFunc
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defer func() {
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defaultLocker = oldDefaultLocker
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initFunc = oldInitFunc
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if defaultLocker == nil {
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initOnce = sync.Once{}
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}
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}()
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initOnce = sync.Once{}
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initFunc = func() {
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defaultLocker = NewRedisLocker(url)
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}
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testLockAndDo(t)
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require.NoError(t, defaultLocker.(*redisLocker).Close())
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})
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t.Run("memory", func(t *testing.T) {
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oldDefaultLocker := defaultLocker
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oldInitFunc := initFunc
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defer func() {
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defaultLocker = oldDefaultLocker
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initFunc = oldInitFunc
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if defaultLocker == nil {
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initOnce = sync.Once{}
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}
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}()
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initOnce = sync.Once{}
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initFunc = func() {
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defaultLocker = NewMemoryLocker()
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}
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testLockAndDo(t)
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})
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}
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func testLockAndDo(t *testing.T) {
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const concurrency = 50
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ctx := context.Background()
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count := 0
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wg := sync.WaitGroup{}
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wg.Add(concurrency)
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for i := 0; i < concurrency; i++ {
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go func() {
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defer wg.Done()
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err := LockAndDo(ctx, "test", func(ctx context.Context) error {
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count++
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// It's impossible to acquire the lock inner the function
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ok, err := TryLockAndDo(ctx, "test", func(ctx context.Context) error {
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assert.Fail(t, "should not acquire the lock")
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return nil
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})
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assert.False(t, ok)
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assert.NoError(t, err)
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return nil
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})
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require.NoError(t, err)
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}()
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}
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wg.Wait()
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assert.Equal(t, concurrency, count)
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}
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