hugo/hugolib/collections_test.go

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// Copyright 2018 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"
"testing"
"github.com/stretchr/testify/require"
)
func TestGroupFunc(t *testing.T) {
assert := require.New(t)
pageContent := `
---
title: "Page"
---
`
b := newTestSitesBuilder(t)
b.WithSimpleConfigFile().
WithContent("page1.md", pageContent, "page2.md", pageContent).
WithTemplatesAdded("index.html", `
{{ $cool := .Site.RegularPages | group "cool" }}
{{ $cool.Key }}: {{ len $cool.Pages }}
`)
b.CreateSites().Build(BuildCfg{})
assert.Equal(1, len(b.H.Sites))
require.Len(t, b.H.Sites[0].RegularPages, 2)
b.AssertFileContent("public/index.html", "cool: 2")
}
func TestSliceFunc(t *testing.T) {
assert := require.New(t)
pageContent := `
---
title: "Page"
tags: ["blue", "green"]
tags_weight: %d
---
`
b := newTestSitesBuilder(t)
b.WithSimpleConfigFile().
WithContent("page1.md", fmt.Sprintf(pageContent, 10), "page2.md", fmt.Sprintf(pageContent, 20)).
WithTemplatesAdded("index.html", `
{{ $cool := first 1 .Site.RegularPages | group "cool" }}
{{ $blue := after 1 .Site.RegularPages | group "blue" }}
{{ $weightedPages := index (index .Site.Taxonomies "tags") "blue" }}
{{ $p1 := index .Site.RegularPages 0 }}{{ $p2 := index .Site.RegularPages 1 }}
{{ $wp1 := index $weightedPages 0 }}{{ $wp2 := index $weightedPages 1 }}
{{ $pages := slice $p1 $p2 }}
{{ $pageGroups := slice $cool $blue }}
{{ $weighted := slice $wp1 $wp2 }}
{{ printf "pages:%d:%T:%v/%v" (len $pages) $pages (index $pages 0) (index $pages 1) }}
{{ printf "pageGroups:%d:%T:%v/%v" (len $pageGroups) $pageGroups (index (index $pageGroups 0).Pages 0) (index (index $pageGroups 1).Pages 0)}}
{{ printf "weightedPages:%d::%T:%v" (len $weighted) $weighted $weighted | safeHTML }}
`)
b.CreateSites().Build(BuildCfg{})
assert.Equal(1, len(b.H.Sites))
require.Len(t, b.H.Sites[0].RegularPages, 2)
b.AssertFileContent("public/index.html",
"pages:2:hugolib.Pages:Page(/page1.md)/Page(/page2.md)",
"pageGroups:2:hugolib.PagesGroup:Page(/page1.md)/Page(/page2.md)",
`weightedPages:2::hugolib.WeightedPages:[WeightedPage(10,"Page") WeightedPage(20,"Page")]`)
}
func TestAppendFunc(t *testing.T) {
assert := require.New(t)
pageContent := `
---
title: "Page"
tags: ["blue", "green"]
tags_weight: %d
---
`
b := newTestSitesBuilder(t)
b.WithSimpleConfigFile().
WithContent("page1.md", fmt.Sprintf(pageContent, 10), "page2.md", fmt.Sprintf(pageContent, 20)).
WithTemplatesAdded("index.html", `
{{ $p1 := index .Site.RegularPages 0 }}{{ $p2 := index .Site.RegularPages 1 }}
{{ $pages := slice }}
{{ if true }}
{{ $pages = $pages | append $p2 $p1 }}
{{ end }}
{{ $appendPages := .Site.Pages | append .Site.RegularPages }}
{{ $appendStrings := slice "a" "b" | append "c" "d" "e" }}
{{ $appendStringsSlice := slice "a" "b" "c" | append (slice "c" "d") }}
{{ printf "pages:%d:%T:%v/%v" (len $pages) $pages (index $pages 0) (index $pages 1) }}
{{ printf "appendPages:%d:%T:%v/%v" (len $appendPages) $appendPages (index $appendPages 0).Kind (index $appendPages 8).Kind }}
{{ printf "appendStrings:%T:%v" $appendStrings $appendStrings }}
{{ printf "appendStringsSlice:%T:%v" $appendStringsSlice $appendStringsSlice }}
{{/* add some slightly related funcs to check what types we get */}}
{{ $u := $appendStrings | union $appendStringsSlice }}
{{ $i := $appendStrings | intersect $appendStringsSlice }}
{{ printf "union:%T:%v" $u $u }}
{{ printf "intersect:%T:%v" $i $i }}
`)
b.CreateSites().Build(BuildCfg{})
assert.Equal(1, len(b.H.Sites))
require.Len(t, b.H.Sites[0].RegularPages, 2)
b.AssertFileContent("public/index.html",
"pages:2:hugolib.Pages:Page(/page2.md)/Page(/page1.md)",
"appendPages:9:hugolib.Pages:home/page",
"appendStrings:[]string:[a b c d e]",
"appendStringsSlice:[]string:[a b c c d]",
"union:[]string:[a b c d e]",
"intersect:[]string:[a b c d]",
)
}