ref: a22294aa7c9ba22dabd0c3d1f48576fd449a8a3d
dir: /hugolib/pagination_test.go/
// Copyright 2015 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 hugolib
import (
"fmt"
"html/template"
"path/filepath"
"testing"
"github.com/spf13/hugo/source"
"github.com/spf13/viper"
"github.com/stretchr/testify/assert"
)
func TestSplitPages(t *testing.T) {
pages := createTestPages(21)
chunks := splitPages(pages, 5)
assert.Equal(t, 5, len(chunks))
for i := 0; i < 4; i++ {
assert.Equal(t, 5, chunks[i].Len())
}
lastChunk := chunks[4]
assert.Equal(t, 1, lastChunk.Len())
}
func TestSplitPageGroups(t *testing.T) {
pages := createTestPages(21)
groups, _ := pages.GroupBy("Weight", "desc")
chunks := splitPageGroups(groups, 5)
assert.Equal(t, 5, len(chunks))
firstChunk := chunks[0]
// alternate weight 5 and 10
if groups, ok := firstChunk.(PagesGroup); ok {
assert.Equal(t, 5, groups.Len())
for _, pg := range groups {
// first group 10 in weight
assert.Equal(t, 10, pg.Key)
for _, p := range pg.Pages {
assert.True(t, p.fuzzyWordCount%2 == 0) // magic test
}
}
} else {
t.Fatal("Excepted PageGroup")
}
lastChunk := chunks[4]
if groups, ok := lastChunk.(PagesGroup); ok {
assert.Equal(t, 1, groups.Len())
for _, pg := range groups {
// last should have 5 in weight
assert.Equal(t, 5, pg.Key)
for _, p := range pg.Pages {
assert.True(t, p.fuzzyWordCount%2 != 0) // magic test
}
}
} else {
t.Fatal("Excepted PageGroup")
}
}
func TestPager(t *testing.T) {
pages := createTestPages(21)
groups, _ := pages.GroupBy("Weight", "desc")
urlFactory := func(page int) string {
return fmt.Sprintf("page/%d/", page)
}
_, err := newPaginatorFromPages(pages, -1, urlFactory)
assert.NotNil(t, err)
_, err = newPaginatorFromPageGroups(groups, -1, urlFactory)
assert.NotNil(t, err)
pag, err := newPaginatorFromPages(pages, 5, urlFactory)
assert.Nil(t, err)
doTestPages(t, pag)
first := pag.Pagers()[0].First()
assert.NotEmpty(t, first.Pages())
assert.Empty(t, first.PageGroups())
pag, err = newPaginatorFromPageGroups(groups, 5, urlFactory)
assert.Nil(t, err)
doTestPages(t, pag)
first = pag.Pagers()[0].First()
assert.NotEmpty(t, first.PageGroups())
assert.Empty(t, first.Pages())
}
func doTestPages(t *testing.T, paginator *paginator) {
paginatorPages := paginator.Pagers()
assert.Equal(t, 5, len(paginatorPages))
assert.Equal(t, 21, paginator.TotalNumberOfElements())
assert.Equal(t, 5, paginator.PageSize())
assert.Equal(t, 5, paginator.TotalPages())
first := paginatorPages[0]
assert.Equal(t, template.HTML("page/1/"), first.URL())
assert.Equal(t, first, first.First())
assert.True(t, first.HasNext())
assert.Equal(t, paginatorPages[1], first.Next())
assert.False(t, first.HasPrev())
assert.Nil(t, first.Prev())
assert.Equal(t, 5, first.NumberOfElements())
assert.Equal(t, 1, first.PageNumber())
third := paginatorPages[2]
assert.True(t, third.HasNext())
assert.True(t, third.HasPrev())
assert.Equal(t, paginatorPages[1], third.Prev())
last := paginatorPages[4]
assert.Equal(t, template.HTML("page/5/"), last.URL())
assert.Equal(t, last, last.Last())
assert.False(t, last.HasNext())
assert.Nil(t, last.Next())
assert.True(t, last.HasPrev())
assert.Equal(t, 1, last.NumberOfElements())
assert.Equal(t, 5, last.PageNumber())
}
func TestPagerNoPages(t *testing.T) {
pages := createTestPages(0)
groups, _ := pages.GroupBy("Weight", "desc")
urlFactory := func(page int) string {
return fmt.Sprintf("page/%d/", page)
}
paginator, _ := newPaginatorFromPages(pages, 5, urlFactory)
doTestPagerNoPages(t, paginator)
first := paginator.Pagers()[0].First()
assert.Empty(t, first.PageGroups())
assert.Empty(t, first.Pages())
paginator, _ = newPaginatorFromPageGroups(groups, 5, urlFactory)
doTestPagerNoPages(t, paginator)
first = paginator.Pagers()[0].First()
assert.Empty(t, first.PageGroups())
assert.Empty(t, first.Pages())
}
func doTestPagerNoPages(t *testing.T, paginator *paginator) {
paginatorPages := paginator.Pagers()
assert.Equal(t, 1, len(paginatorPages))
assert.Equal(t, 0, paginator.TotalNumberOfElements())
assert.Equal(t, 5, paginator.PageSize())
assert.Equal(t, 0, paginator.TotalPages())
// pageOne should be nothing but the first
pageOne := paginatorPages[0]
assert.NotNil(t, pageOne.First())
assert.False(t, pageOne.HasNext())
assert.False(t, pageOne.HasPrev())
assert.Nil(t, pageOne.Next())
assert.Equal(t, 1, len(pageOne.Pagers()))
assert.Equal(t, 0, pageOne.Pages().Len())
assert.Equal(t, 0, pageOne.NumberOfElements())
assert.Equal(t, 0, pageOne.TotalNumberOfElements())
assert.Equal(t, 0, pageOne.TotalPages())
assert.Equal(t, 1, pageOne.PageNumber())
assert.Equal(t, 5, pageOne.PageSize())
}
func TestPaginationURLFactory(t *testing.T) {
testCommonResetState()
viper.Set("PaginatePath", "zoo")
unicode := newPaginationURLFactory("новости проекта")
fooBar := newPaginationURLFactory("foo", "bar")
assert.Equal(t, "/%D0%BD%D0%BE%D0%B2%D0%BE%D1%81%D1%82%D0%B8-%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B0/", unicode(1))
assert.Equal(t, "/foo/bar/", fooBar(1))
assert.Equal(t, "/%D0%BD%D0%BE%D0%B2%D0%BE%D1%81%D1%82%D0%B8-%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B0/zoo/4/", unicode(4))
assert.Equal(t, "/foo/bar/zoo/12345/", fooBar(12345))
}
func TestPaginator(t *testing.T) {
testCommonResetState()
for _, useViper := range []bool{false, true} {
doTestPaginator(t, useViper)
}
}
func doTestPaginator(t *testing.T, useViper bool) {
testCommonResetState()
pagerSize := 5
if useViper {
viper.Set("paginate", pagerSize)
} else {
viper.Set("paginate", -1)
}
pages := createTestPages(12)
s := newSiteDefaultLang()
n1 := s.newHomeNode(true, 0)
n2 := s.newHomeNode(true, 1)
n1.Data["Pages"] = pages
var paginator1 *Pager
var err error
if useViper {
paginator1, err = n1.Paginator()
} else {
paginator1, err = n1.Paginator(pagerSize)
}
assert.Nil(t, err)
assert.NotNil(t, paginator1)
assert.Equal(t, 3, paginator1.TotalPages())
assert.Equal(t, 12, paginator1.TotalNumberOfElements())
n2.paginator = paginator1.Next()
paginator2, err := n2.Paginator()
assert.Nil(t, err)
assert.Equal(t, paginator2, paginator1.Next())
n1.Data["Pages"] = createTestPages(1)
samePaginator, _ := n1.Paginator()
assert.Equal(t, paginator1, samePaginator)
p, _ := NewPage("test")
_, err = p.Paginator()
assert.NotNil(t, err)
}
func TestPaginatorWithNegativePaginate(t *testing.T) {
testCommonResetState()
viper.Set("paginate", -1)
s := newSiteDefaultLang()
_, err := s.newHomeNode(true, 0).Paginator()
assert.NotNil(t, err)
}
func TestPaginate(t *testing.T) {
testCommonResetState()
for _, useViper := range []bool{false, true} {
doTestPaginate(t, useViper)
}
}
func doTestPaginate(t *testing.T, useViper bool) {
pagerSize := 5
if useViper {
viper.Set("paginate", pagerSize)
} else {
viper.Set("paginate", -1)
}
pages := createTestPages(6)
s := newSiteDefaultLang()
n1 := s.newHomeNode(true, 0)
n2 := s.newHomeNode(true, 1)
var paginator1, paginator2 *Pager
var err error
if useViper {
paginator1, err = n1.Paginate(pages)
} else {
paginator1, err = n1.Paginate(pages, pagerSize)
}
assert.Nil(t, err)
assert.NotNil(t, paginator1)
assert.Equal(t, 2, paginator1.TotalPages())
assert.Equal(t, 6, paginator1.TotalNumberOfElements())
n2.paginator = paginator1.Next()
if useViper {
paginator2, err = n2.Paginate(pages)
} else {
paginator2, err = n2.Paginate(pages, pagerSize)
}
assert.Nil(t, err)
assert.Equal(t, paginator2, paginator1.Next())
p, _ := NewPage("test")
_, err = p.Paginate(pages)
assert.NotNil(t, err)
}
func TestInvalidOptions(t *testing.T) {
s := newSiteDefaultLang()
n1 := s.newHomeNode(true, 0)
_, err := n1.Paginate(createTestPages(1), 1, 2)
assert.NotNil(t, err)
_, err = n1.Paginator(1, 2)
assert.NotNil(t, err)
_, err = n1.Paginator(-1)
assert.NotNil(t, err)
}
func TestPaginateWithNegativePaginate(t *testing.T) {
testCommonResetState()
viper.Set("paginate", -1)
s := newSiteDefaultLang()
_, err := s.newHomeNode(true, 0).Paginate(createTestPages(2))
assert.NotNil(t, err)
}
func TestPaginatePages(t *testing.T) {
groups, _ := createTestPages(31).GroupBy("Weight", "desc")
for i, seq := range []interface{}{createTestPages(11), groups, WeightedPages{}, PageGroup{}, &Pages{}} {
v, err := paginatePages(seq, 11, "t")
assert.NotNil(t, v, "Val %d", i)
assert.Nil(t, err, "Err %d", i)
}
_, err := paginatePages(Site{}, 11, "t")
assert.NotNil(t, err)
}
// Issue #993
func TestPaginatorFollowedByPaginateShouldFail(t *testing.T) {
testCommonResetState()
viper.Set("paginate", 10)
s := newSiteDefaultLang()
n1 := s.newHomeNode(true, 0)
n2 := s.newHomeNode(true, 1)
_, err := n1.Paginator()
assert.Nil(t, err)
_, err = n1.Paginate(createTestPages(2))
assert.NotNil(t, err)
_, err = n2.Paginate(createTestPages(2))
assert.Nil(t, err)
}
func TestPaginateFollowedByDifferentPaginateShouldFail(t *testing.T) {
testCommonResetState()
viper.Set("paginate", 10)
s := newSiteDefaultLang()
n1 := s.newHomeNode(true, 0)
n2 := s.newHomeNode(true, 1)
p1 := createTestPages(2)
p2 := createTestPages(10)
_, err := n1.Paginate(p1)
assert.Nil(t, err)
_, err = n1.Paginate(p1)
assert.Nil(t, err)
_, err = n1.Paginate(p2)
assert.NotNil(t, err)
_, err = n2.Paginate(p2)
assert.Nil(t, err)
}
func TestProbablyEqualPageLists(t *testing.T) {
fivePages := createTestPages(5)
zeroPages := createTestPages(0)
zeroPagesByWeight, _ := createTestPages(0).GroupBy("Weight", "asc")
fivePagesByWeight, _ := createTestPages(5).GroupBy("Weight", "asc")
ninePagesByWeight, _ := createTestPages(9).GroupBy("Weight", "asc")
for i, this := range []struct {
v1 interface{}
v2 interface{}
expect bool
}{
{nil, nil, true},
{"a", "b", true},
{"a", fivePages, false},
{fivePages, "a", false},
{fivePages, createTestPages(2), false},
{fivePages, fivePages, true},
{zeroPages, zeroPages, true},
{fivePagesByWeight, fivePagesByWeight, true},
{zeroPagesByWeight, fivePagesByWeight, false},
{zeroPagesByWeight, zeroPagesByWeight, true},
{fivePagesByWeight, fivePages, false},
{fivePagesByWeight, ninePagesByWeight, false},
} {
result := probablyEqualPageLists(this.v1, this.v2)
if result != this.expect {
t.Errorf("[%d] got %t but expected %t", i, result, this.expect)
}
}
}
func TestPage(t *testing.T) {
urlFactory := func(page int) string {
return fmt.Sprintf("page/%d/", page)
}
fivePages := createTestPages(7)
fivePagesFuzzyWordCount, _ := createTestPages(7).GroupBy("FuzzyWordCount", "asc")
p1, _ := newPaginatorFromPages(fivePages, 2, urlFactory)
p2, _ := newPaginatorFromPageGroups(fivePagesFuzzyWordCount, 2, urlFactory)
f1 := p1.pagers[0].First()
f2 := p2.pagers[0].First()
page11, _ := f1.page(1)
page1Nil, _ := f1.page(3)
page21, _ := f2.page(1)
page2Nil, _ := f2.page(3)
assert.Equal(t, 3, page11.fuzzyWordCount)
assert.Nil(t, page1Nil)
assert.Equal(t, 3, page21.fuzzyWordCount)
assert.Nil(t, page2Nil)
}
func createTestPages(num int) Pages {
pages := make(Pages, num)
for i := 0; i < num; i++ {
pages[i] = &Page{
Node: Node{
URLPath: URLPath{
Section: "z",
URL: fmt.Sprintf("http://base/x/y/p%d.html", i),
},
Site: newSiteInfoDefaultLanguage("http://base/"),
},
Source: Source{File: *source.NewFile(filepath.FromSlash(fmt.Sprintf("/x/y/p%d.md", i)))},
}
w := 5
if i%2 == 0 {
w = 10
}
pages[i].fuzzyWordCount = i + 2
pages[i].Weight = w
}
return pages
}