// Copyright 2023 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package queue import (	"context"	"fmt"	"testing"	"time" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func testQueueBasic(t *testing.T, newFn func(cfg *BaseConfig) (baseQueue, error), cfg *BaseConfig, isUnique bool) {	t.Run(fmt.Sprintf("testQueueBasic-%s-unique:%v", cfg.ManagedName, isUnique), func(t *testing.T) {		q, err := newFn(cfg)		require.NoError(t, err) 		ctx := t.Context()		_ = q.RemoveAll(ctx)		cnt, err := q.Len(ctx)		require.NoError(t, err)		assert.EqualValues(t, 0, cnt) 		// push the first item		err = q.PushItem(ctx, []byte("foo"))		require.NoError(t, err) 		cnt, err = q.Len(ctx)		require.NoError(t, err)		assert.EqualValues(t, 1, cnt) 		// push a duplicate item		err = q.PushItem(ctx, []byte("foo"))		if !isUnique {			require.NoError(t, err)		} else {			require.ErrorIs(t, err, ErrAlreadyInQueue)		} 		// check the duplicate item		cnt, err = q.Len(ctx)		require.NoError(t, err)		has, err := q.HasItem(ctx, []byte("foo"))		require.NoError(t, err)		if !isUnique {			assert.EqualValues(t, 2, cnt)			assert.False(t, has) // non-unique queues don't check for duplicates		} else {			assert.EqualValues(t, 1, cnt)			assert.True(t, has)		} 		// push another item		err = q.PushItem(ctx, []byte("bar"))		require.NoError(t, err) 		// pop the first item (and the duplicate if non-unique)		it, err := q.PopItem(ctx)		require.NoError(t, err)		assert.EqualValues(t, "foo", string(it)) 		if !isUnique {			it, err = q.PopItem(ctx)			require.NoError(t, err)			assert.EqualValues(t, "foo", string(it))		} 		// pop another item		it, err = q.PopItem(ctx)		require.NoError(t, err)		assert.EqualValues(t, "bar", string(it)) 		// pop an empty queue (timeout, cancel)		ctxTimed, cancel := context.WithTimeout(ctx, 10*time.Millisecond)		it, err = q.PopItem(ctxTimed)		require.ErrorIs(t, err, context.DeadlineExceeded)		assert.Nil(t, it)		cancel() 		ctxTimed, cancel = context.WithTimeout(ctx, 10*time.Millisecond)		cancel()		it, err = q.PopItem(ctxTimed)		require.ErrorIs(t, err, context.Canceled)		assert.Nil(t, it) 		// test blocking push if queue is full		for i := 0; i < cfg.Length; i++ {			err = q.PushItem(ctx, []byte(fmt.Sprintf("item-%d", i)))			require.NoError(t, err)		}		ctxTimed, cancel = context.WithTimeout(ctx, 10*time.Millisecond)		err = q.PushItem(ctxTimed, []byte("item-full"))		require.ErrorIs(t, err, context.DeadlineExceeded)		cancel() 		// test blocking push if queue is full (with custom pushBlockTime)		oldPushBlockTime := pushBlockTime		timeStart := time.Now()		pushBlockTime = 30 * time.Millisecond		err = q.PushItem(ctx, []byte("item-full"))		require.ErrorIs(t, err, context.DeadlineExceeded)		assert.GreaterOrEqual(t, time.Since(timeStart), pushBlockTime*2/3)		pushBlockTime = oldPushBlockTime 		// remove all		cnt, err = q.Len(ctx)		require.NoError(t, err)		assert.EqualValues(t, cfg.Length, cnt) 		_ = q.RemoveAll(ctx) 		cnt, err = q.Len(ctx)		require.NoError(t, err)		assert.EqualValues(t, 0, cnt)	})} func TestBaseDummy(t *testing.T) {	q, err := newBaseDummy(&BaseConfig{}, true)	require.NoError(t, err) 	ctx := t.Context()	require.NoError(t, q.PushItem(ctx, []byte("foo"))) 	cnt, err := q.Len(ctx)	require.NoError(t, err)	assert.EqualValues(t, 0, cnt) 	has, err := q.HasItem(ctx, []byte("foo"))	require.NoError(t, err)	assert.False(t, has) 	it, err := q.PopItem(ctx)	require.NoError(t, err)	assert.Nil(t, it) 	require.NoError(t, q.RemoveAll(ctx))}