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