mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-12 22:53:09 -05:00
96 lines
2.1 KiB
Go
96 lines
2.1 KiB
Go
// Copyright 2019 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 para
|
|
|
|
import (
|
|
"context"
|
|
"runtime"
|
|
"sort"
|
|
"sync"
|
|
"sync/atomic"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/gohugoio/hugo/htesting"
|
|
|
|
qt "github.com/frankban/quicktest"
|
|
)
|
|
|
|
func TestPara(t *testing.T) {
|
|
if runtime.NumCPU() < 4 {
|
|
t.Skipf("skip para test, CPU count is %d", runtime.NumCPU())
|
|
}
|
|
|
|
// TODO(bep)
|
|
if htesting.IsCI() {
|
|
t.Skip("skip para test when running on CI")
|
|
}
|
|
|
|
c := qt.New(t)
|
|
|
|
c.Run("Order", func(c *qt.C) {
|
|
n := 500
|
|
ints := make([]int, n)
|
|
for i := 0; i < n; i++ {
|
|
ints[i] = i
|
|
}
|
|
|
|
p := New(4)
|
|
r, _ := p.Start(context.Background())
|
|
|
|
var result []int
|
|
var mu sync.Mutex
|
|
for i := 0; i < n; i++ {
|
|
i := i
|
|
r.Run(func() error {
|
|
mu.Lock()
|
|
defer mu.Unlock()
|
|
result = append(result, i)
|
|
return nil
|
|
})
|
|
}
|
|
|
|
c.Assert(r.Wait(), qt.IsNil)
|
|
c.Assert(result, qt.HasLen, len(ints))
|
|
c.Assert(sort.IntsAreSorted(result), qt.Equals, false, qt.Commentf("Para does not seem to be parallel"))
|
|
sort.Ints(result)
|
|
c.Assert(result, qt.DeepEquals, ints)
|
|
})
|
|
|
|
c.Run("Time", func(c *qt.C) {
|
|
const n = 100
|
|
|
|
p := New(5)
|
|
r, _ := p.Start(context.Background())
|
|
|
|
start := time.Now()
|
|
|
|
var counter int64
|
|
|
|
for i := 0; i < n; i++ {
|
|
r.Run(func() error {
|
|
atomic.AddInt64(&counter, 1)
|
|
time.Sleep(1 * time.Millisecond)
|
|
return nil
|
|
})
|
|
}
|
|
|
|
c.Assert(r.Wait(), qt.IsNil)
|
|
c.Assert(counter, qt.Equals, int64(n))
|
|
|
|
since := time.Since(start)
|
|
limit := n / 2 * time.Millisecond
|
|
c.Assert(since < limit, qt.Equals, true, qt.Commentf("%s >= %s", since, limit))
|
|
})
|
|
}
|