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gitea/modules/queue/base_test.go
2024-12-15 10:41:29 +00:00

141 lines
3.5 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package queue
import (
"context"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
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)
assert.NoError(t, err)
ctx := context.Background()
_ = q.RemoveAll(ctx)
cnt, err := q.Len(ctx)
assert.NoError(t, err)
assert.EqualValues(t, 0, cnt)
// push the first item
err = q.PushItem(ctx, []byte("foo"))
assert.NoError(t, err)
cnt, err = q.Len(ctx)
assert.NoError(t, err)
assert.EqualValues(t, 1, cnt)
// push a duplicate item
err = q.PushItem(ctx, []byte("foo"))
if !isUnique {
assert.NoError(t, err)
} else {
assert.ErrorIs(t, err, ErrAlreadyInQueue)
}
// check the duplicate item
cnt, err = q.Len(ctx)
assert.NoError(t, err)
has, err := q.HasItem(ctx, []byte("foo"))
assert.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"))
assert.NoError(t, err)
// pop the first item (and the duplicate if non-unique)
it, err := q.PopItem(ctx)
assert.NoError(t, err)
assert.EqualValues(t, "foo", string(it))
if !isUnique {
it, err = q.PopItem(ctx)
assert.NoError(t, err)
assert.EqualValues(t, "foo", string(it))
}
// pop another item
it, err = q.PopItem(ctx)
assert.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)
assert.ErrorIs(t, err, context.DeadlineExceeded)
assert.Nil(t, it)
cancel()
ctxTimed, cancel = context.WithTimeout(ctx, 10*time.Millisecond)
cancel()
it, err = q.PopItem(ctxTimed)
assert.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)))
assert.NoError(t, err)
}
ctxTimed, cancel = context.WithTimeout(ctx, 10*time.Millisecond)
err = q.PushItem(ctxTimed, []byte("item-full"))
assert.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"))
assert.ErrorIs(t, err, context.DeadlineExceeded)
assert.GreaterOrEqual(t, time.Since(timeStart), pushBlockTime*2/3)
pushBlockTime = oldPushBlockTime
// remove all
cnt, err = q.Len(ctx)
assert.NoError(t, err)
assert.EqualValues(t, cfg.Length, cnt)
_ = q.RemoveAll(ctx)
cnt, err = q.Len(ctx)
assert.NoError(t, err)
assert.EqualValues(t, 0, cnt)
})
}
func TestBaseDummy(t *testing.T) {
q, err := newBaseDummy(&BaseConfig{}, true)
assert.NoError(t, err)
ctx := context.Background()
assert.NoError(t, q.PushItem(ctx, []byte("foo")))
cnt, err := q.Len(ctx)
assert.NoError(t, err)
assert.EqualValues(t, 0, cnt)
has, err := q.HasItem(ctx, []byte("foo"))
assert.NoError(t, err)
assert.False(t, has)
it, err := q.PopItem(ctx)
assert.NoError(t, err)
assert.Nil(t, it)
assert.NoError(t, q.RemoveAll(ctx))
}