mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
6667c6d743
This extends the page grouping in Hugo with a template function that allows for ad-hoc grouping.
A made-up example:
```
{{ $cool := where .Site.RegularPages "Params.cool" true | group "cool" }}
{{ $blue := where .Site.RegularPages "Params.blue" true | group "blue" }}
{{ $paginator := .Paginate (slice $cool $blue) }}
```
Closes #4865
483 lines
13 KiB
Go
483 lines
13 KiB
Go
// Copyright 2015 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 hugolib
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import (
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"errors"
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"path/filepath"
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"reflect"
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"testing"
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"github.com/spf13/cast"
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"github.com/stretchr/testify/require"
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)
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type pageGroupTestObject struct {
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path string
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weight int
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date string
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param string
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}
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var pageGroupTestSources = []pageGroupTestObject{
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{"/section1/testpage1.md", 3, "2012-04-06", "foo"},
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{"/section1/testpage2.md", 3, "2012-01-01", "bar"},
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{"/section1/testpage3.md", 2, "2012-04-06", "foo"},
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{"/section2/testpage4.md", 1, "2012-03-02", "bar"},
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{"/section2/testpage5.md", 1, "2012-04-06", "baz"},
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}
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func preparePageGroupTestPages(t *testing.T) Pages {
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s := newTestSite(t)
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var pages Pages
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for _, src := range pageGroupTestSources {
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p, err := s.NewPage(filepath.FromSlash(src.path))
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if err != nil {
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t.Fatalf("failed to prepare test page %s", src.path)
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}
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p.Weight = src.weight
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p.Date = cast.ToTime(src.date)
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p.PublishDate = cast.ToTime(src.date)
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p.ExpiryDate = cast.ToTime(src.date)
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p.params["custom_param"] = src.param
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p.params["custom_date"] = cast.ToTime(src.date)
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pages = append(pages, p)
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}
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return pages
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}
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func TestGroupByWithFieldNameArg(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: 1, Pages: Pages{pages[3], pages[4]}},
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{Key: 2, Pages: Pages{pages[2]}},
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{Key: 3, Pages: Pages{pages[0], pages[1]}},
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}
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groups, err := pages.GroupBy("Weight")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByWithMethodNameArg(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "section1", Pages: Pages{pages[0], pages[1], pages[2]}},
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{Key: "section2", Pages: Pages{pages[3], pages[4]}},
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}
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groups, err := pages.GroupBy("Type")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByWithSectionArg(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "section1", Pages: Pages{pages[0], pages[1], pages[2]}},
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{Key: "section2", Pages: Pages{pages[3], pages[4]}},
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}
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groups, err := pages.GroupBy("Section")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByInReverseOrder(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: 3, Pages: Pages{pages[0], pages[1]}},
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{Key: 2, Pages: Pages{pages[2]}},
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{Key: 1, Pages: Pages{pages[3], pages[4]}},
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}
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groups, err := pages.GroupBy("Weight", "desc")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByCalledWithEmptyPages(t *testing.T) {
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t.Parallel()
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var pages Pages
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groups, err := pages.GroupBy("Weight")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if groups != nil {
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t.Errorf("PagesGroup isn't empty. It should be %#v, got %#v", nil, groups)
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}
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}
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func TestGroupByCalledWithUnavailableKey(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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_, err := pages.GroupBy("UnavailableKey")
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if err == nil {
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t.Errorf("GroupByParam should return an error but didn't")
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}
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}
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func (page *Page) DummyPageMethodWithArgForTest(s string) string {
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return s
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}
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func (page *Page) DummyPageMethodReturnThreeValueForTest() (string, string, string) {
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return "foo", "bar", "baz"
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}
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func (page *Page) DummyPageMethodReturnErrorOnlyForTest() error {
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return errors.New("some error occurred")
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}
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func (page *Page) dummyPageMethodReturnTwoValueForTest() (string, string) {
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return "foo", "bar"
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}
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func TestGroupByCalledWithInvalidMethod(t *testing.T) {
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t.Parallel()
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var err error
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pages := preparePageGroupTestPages(t)
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_, err = pages.GroupBy("DummyPageMethodWithArgForTest")
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if err == nil {
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t.Errorf("GroupByParam should return an error but didn't")
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}
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_, err = pages.GroupBy("DummyPageMethodReturnThreeValueForTest")
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if err == nil {
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t.Errorf("GroupByParam should return an error but didn't")
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}
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_, err = pages.GroupBy("DummyPageMethodReturnErrorOnlyForTest")
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if err == nil {
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t.Errorf("GroupByParam should return an error but didn't")
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}
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_, err = pages.GroupBy("DummyPageMethodReturnTwoValueForTest")
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if err == nil {
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t.Errorf("GroupByParam should return an error but didn't")
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}
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}
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func TestReverse(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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groups1, err := pages.GroupBy("Weight", "desc")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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groups2, err := pages.GroupBy("Weight")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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groups2 = groups2.Reverse()
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if !reflect.DeepEqual(groups2, groups1) {
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t.Errorf("PagesGroup is sorted in unexpected order. It should be %#v, got %#v", groups2, groups1)
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}
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}
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func TestGroupByParam(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "bar", Pages: Pages{pages[1], pages[3]}},
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{Key: "baz", Pages: Pages{pages[4]}},
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{Key: "foo", Pages: Pages{pages[0], pages[2]}},
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}
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groups, err := pages.GroupByParam("custom_param")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByParamInReverseOrder(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "foo", Pages: Pages{pages[0], pages[2]}},
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{Key: "baz", Pages: Pages{pages[4]}},
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{Key: "bar", Pages: Pages{pages[1], pages[3]}},
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}
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groups, err := pages.GroupByParam("custom_param", "desc")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByParamCalledWithCapitalLetterString(t *testing.T) {
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testStr := "TestString"
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f := "/section1/test_capital.md"
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s := newTestSite(t)
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p, err := s.NewPage(filepath.FromSlash(f))
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if err != nil {
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t.Fatalf("failed to prepare test page %s", f)
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}
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p.params["custom_param"] = testStr
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pages := Pages{p}
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groups, err := pages.GroupByParam("custom_param")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if groups[0].Key != testStr {
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t.Errorf("PagesGroup key is converted to a lower character string. It should be %#v, got %#v", testStr, groups[0].Key)
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}
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}
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func TestGroupByParamCalledWithSomeUnavailableParams(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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delete(pages[1].params, "custom_param")
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delete(pages[3].params, "custom_param")
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delete(pages[4].params, "custom_param")
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expect := PagesGroup{
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{Key: "foo", Pages: Pages{pages[0], pages[2]}},
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}
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groups, err := pages.GroupByParam("custom_param")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByParamCalledWithEmptyPages(t *testing.T) {
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t.Parallel()
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var pages Pages
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groups, err := pages.GroupByParam("custom_param")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if groups != nil {
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t.Errorf("PagesGroup isn't empty. It should be %#v, got %#v", nil, groups)
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}
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}
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func TestGroupByParamCalledWithUnavailableParam(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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_, err := pages.GroupByParam("unavailable_param")
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if err == nil {
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t.Errorf("GroupByParam should return an error but didn't")
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}
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}
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func TestGroupByDate(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "2012-04", Pages: Pages{pages[4], pages[2], pages[0]}},
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{Key: "2012-03", Pages: Pages{pages[3]}},
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{Key: "2012-01", Pages: Pages{pages[1]}},
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}
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groups, err := pages.GroupByDate("2006-01")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByDateInReverseOrder(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "2012-01", Pages: Pages{pages[1]}},
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{Key: "2012-03", Pages: Pages{pages[3]}},
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{Key: "2012-04", Pages: Pages{pages[0], pages[2], pages[4]}},
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}
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groups, err := pages.GroupByDate("2006-01", "asc")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByPublishDate(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "2012-04", Pages: Pages{pages[4], pages[2], pages[0]}},
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{Key: "2012-03", Pages: Pages{pages[3]}},
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{Key: "2012-01", Pages: Pages{pages[1]}},
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}
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groups, err := pages.GroupByPublishDate("2006-01")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByPublishDateInReverseOrder(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "2012-01", Pages: Pages{pages[1]}},
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{Key: "2012-03", Pages: Pages{pages[3]}},
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{Key: "2012-04", Pages: Pages{pages[0], pages[2], pages[4]}},
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}
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groups, err := pages.GroupByDate("2006-01", "asc")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByPublishDateWithEmptyPages(t *testing.T) {
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t.Parallel()
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var pages Pages
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groups, err := pages.GroupByPublishDate("2006-01")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if groups != nil {
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t.Errorf("PagesGroup isn't empty. It should be %#v, got %#v", nil, groups)
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}
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}
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func TestGroupByExpiryDate(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "2012-04", Pages: Pages{pages[4], pages[2], pages[0]}},
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{Key: "2012-03", Pages: Pages{pages[3]}},
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{Key: "2012-01", Pages: Pages{pages[1]}},
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}
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groups, err := pages.GroupByExpiryDate("2006-01")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByParamDate(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "2012-04", Pages: Pages{pages[4], pages[2], pages[0]}},
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{Key: "2012-03", Pages: Pages{pages[3]}},
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{Key: "2012-01", Pages: Pages{pages[1]}},
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}
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groups, err := pages.GroupByParamDate("custom_date", "2006-01")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByParamDateInReverseOrder(t *testing.T) {
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t.Parallel()
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pages := preparePageGroupTestPages(t)
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expect := PagesGroup{
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{Key: "2012-01", Pages: Pages{pages[1]}},
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{Key: "2012-03", Pages: Pages{pages[3]}},
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{Key: "2012-04", Pages: Pages{pages[0], pages[2], pages[4]}},
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}
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groups, err := pages.GroupByParamDate("custom_date", "2006-01", "asc")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if !reflect.DeepEqual(groups, expect) {
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t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
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}
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}
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func TestGroupByParamDateWithEmptyPages(t *testing.T) {
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t.Parallel()
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var pages Pages
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groups, err := pages.GroupByParamDate("custom_date", "2006-01")
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if err != nil {
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t.Fatalf("Unable to make PagesGroup array: %s", err)
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}
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if groups != nil {
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t.Errorf("PagesGroup isn't empty. It should be %#v, got %#v", nil, groups)
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}
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}
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func TestGroupFunc(t *testing.T) {
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assert := require.New(t)
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pageContent := `
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---
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title: "Page"
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---
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`
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b := newTestSitesBuilder(t)
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b.WithSimpleConfigFile().
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WithContent("page1.md", pageContent, "page2.md", pageContent).
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WithTemplatesAdded("index.html", `
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{{ $cool := .Site.RegularPages | group "cool" }}
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{{ $cool.Key }}: {{ len $cool.Pages }}
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`)
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b.CreateSites().Build(BuildCfg{})
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assert.Equal(1, len(b.H.Sites))
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require.Len(t, b.H.Sites[0].RegularPages, 2)
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b.AssertFileContent("public/index.html", "cool: 2")
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}
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