mirror of
https://github.com/gohugoio/hugo.git
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123 lines
3.5 KiB
Go
123 lines
3.5 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package page
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import (
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"fmt"
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"math/rand"
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"testing"
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"time"
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qt "github.com/frankban/quicktest"
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)
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func TestSearchPage(t *testing.T) {
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t.Parallel()
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c := qt.New(t)
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pages := createSortTestPages(10)
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for i, p := range pages {
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p.(*testPage).title = fmt.Sprintf("Title %d", i%2)
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}
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for _, pages := range []Pages{pages.ByTitle(), pages.ByTitle().Reverse()} {
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less := isPagesProbablySorted(pages, lessPageTitle)
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c.Assert(less, qt.Not(qt.IsNil))
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for i, p := range pages {
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idx := searchPageBinary(p, pages, less)
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c.Assert(idx, qt.Equals, i)
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}
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}
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}
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func BenchmarkSearchPage(b *testing.B) {
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type Variant struct {
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name string
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preparePages func(pages Pages) Pages
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search func(p Page, pages Pages) int
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}
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shufflePages := func(pages Pages) Pages {
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rand.Shuffle(len(pages), func(i, j int) { pages[i], pages[j] = pages[j], pages[i] })
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return pages
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}
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linearSearch := func(p Page, pages Pages) int {
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return searchPageLinear(p, pages, 0)
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}
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createPages := func(num int) Pages {
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pages := createSortTestPages(num)
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for _, p := range pages {
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tp := p.(*testPage)
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tp.weight = rand.Intn(len(pages))
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tp.title = fmt.Sprintf("Title %d", rand.Intn(len(pages)))
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tp.pubDate = time.Now().Add(time.Duration(rand.Intn(len(pages)/5)) * time.Hour)
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tp.date = time.Now().Add(time.Duration(rand.Intn(len(pages)/5)) * time.Hour)
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}
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return pages
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}
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for _, variant := range []Variant{
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{"Shuffled", shufflePages, searchPage},
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{"ByWeight", func(pages Pages) Pages {
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return pages.ByWeight()
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}, searchPage},
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{"ByWeight.Reverse", func(pages Pages) Pages {
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return pages.ByWeight().Reverse()
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}, searchPage},
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{"ByDate", func(pages Pages) Pages {
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return pages.ByDate()
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}, searchPage},
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{"ByPublishDate", func(pages Pages) Pages {
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return pages.ByPublishDate()
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}, searchPage},
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{"ByTitle", func(pages Pages) Pages {
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return pages.ByTitle()
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}, searchPage},
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{"ByTitle Linear", func(pages Pages) Pages {
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return pages.ByTitle()
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}, linearSearch},
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} {
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for _, numPages := range []int{100, 500, 1000, 5000} {
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b.Run(fmt.Sprintf("%s-%d", variant.name, numPages), func(b *testing.B) {
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b.StopTimer()
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pages := createPages(numPages)
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if variant.preparePages != nil {
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pages = variant.preparePages(pages)
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}
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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j := rand.Intn(numPages)
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k := variant.search(pages[j], pages)
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if k != j {
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b.Fatalf("%d != %d", k, j)
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}
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}
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})
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}
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}
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}
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func TestIsPagesProbablySorted(t *testing.T) {
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t.Parallel()
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c := qt.New(t)
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c.Assert(isPagesProbablySorted(createSortTestPages(6).ByWeight(), DefaultPageSort), qt.Not(qt.IsNil))
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c.Assert(isPagesProbablySorted(createSortTestPages(300).ByWeight(), DefaultPageSort), qt.Not(qt.IsNil))
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c.Assert(isPagesProbablySorted(createSortTestPages(6), DefaultPageSort), qt.IsNil)
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c.Assert(isPagesProbablySorted(createSortTestPages(300).ByTitle(), pageLessFunctions...), qt.Not(qt.IsNil))
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}
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