mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-29 13:31:24 +00:00
785a31b5b8
.Site.Menus is mutated when it is sorted for now and this causes concurrency problem (#7594) In this patch, each related sort function copies Menu before sorting to prevent race condition. Pages already have such a sort and cache logic and this patch is identical to it. Closes #7594
81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
// Copyright 2021 The Hugo Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package navigation
|
|
|
|
import (
|
|
"sync"
|
|
"sync/atomic"
|
|
"testing"
|
|
|
|
qt "github.com/frankban/quicktest"
|
|
)
|
|
|
|
func createSortTestMenu(num int) Menu {
|
|
menu := make(Menu, num)
|
|
for i := 0; i < num; i++ {
|
|
m := &MenuEntry{}
|
|
menu[i] = m
|
|
}
|
|
return menu
|
|
}
|
|
|
|
func TestMenuCache(t *testing.T) {
|
|
t.Parallel()
|
|
c := qt.New(t)
|
|
c1 := newMenuCache()
|
|
|
|
changeFirst := func(m Menu) {
|
|
m[0].title = "changed"
|
|
}
|
|
|
|
var o1 uint64
|
|
var o2 uint64
|
|
|
|
var wg sync.WaitGroup
|
|
|
|
var l1 sync.Mutex
|
|
var l2 sync.Mutex
|
|
|
|
var testMenuSets []Menu
|
|
|
|
for i := 0; i < 50; i++ {
|
|
testMenuSets = append(testMenuSets, createSortTestMenu(i+1))
|
|
}
|
|
|
|
for j := 0; j < 100; j++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
for k, menu := range testMenuSets {
|
|
l1.Lock()
|
|
m, ca := c1.get("k1", nil, menu)
|
|
c.Assert(ca, qt.Equals, !atomic.CompareAndSwapUint64(&o1, uint64(k), uint64(k+1)))
|
|
l1.Unlock()
|
|
m2, c2 := c1.get("k1", nil, m)
|
|
c.Assert(c2, qt.Equals, true)
|
|
c.Assert(menuEqual(m, m2), qt.Equals, true)
|
|
c.Assert(menuEqual(m, menu), qt.Equals, true)
|
|
c.Assert(m, qt.Not(qt.IsNil))
|
|
|
|
l2.Lock()
|
|
m3, c3 := c1.get("k2", changeFirst, menu)
|
|
c.Assert(c3, qt.Equals, !atomic.CompareAndSwapUint64(&o2, uint64(k), uint64(k+1)))
|
|
l2.Unlock()
|
|
c.Assert(m3, qt.Not(qt.IsNil))
|
|
c.Assert("changed", qt.Equals, m3[0].title)
|
|
}
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
}
|