hugo/markup/tableofcontents/tableofcontents_test.go

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// 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 tableofcontents
import (
"testing"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/common/collections"
)
var newTestTocBuilder = func() Builder {
var b Builder
b.AddAt(&Heading{Title: "Heading 1", ID: "h1-1"}, 0, 0)
b.AddAt(&Heading{Title: "1-H2-1", ID: "1-h2-1"}, 0, 1)
b.AddAt(&Heading{Title: "1-H2-2", ID: "1-h2-2"}, 0, 1)
b.AddAt(&Heading{Title: "1-H3-1", ID: "1-h2-2"}, 0, 2)
b.AddAt(&Heading{Title: "Heading 2", ID: "h1-2"}, 1, 0)
return b
}
var newTestToc = func() *Fragments {
return newTestTocBuilder().Build()
}
func TestToc(t *testing.T) {
c := qt.New(t)
toc := &Fragments{}
toc.addAt(&Heading{Title: "Heading 1", ID: "h1-1"}, 0, 0)
toc.addAt(&Heading{Title: "1-H2-1", ID: "1-h2-1"}, 0, 1)
toc.addAt(&Heading{Title: "1-H2-2", ID: "1-h2-2"}, 0, 1)
toc.addAt(&Heading{Title: "1-H3-1", ID: "1-h2-2"}, 0, 2)
toc.addAt(&Heading{Title: "Heading 2", ID: "h1-2"}, 1, 0)
got := string(toc.ToHTML(1, -1, false))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ul>
<li><a href="#h1-1">Heading 1</a>
<ul>
<li><a href="#1-h2-1">1-H2-1</a></li>
<li><a href="#1-h2-2">1-H2-2</a>
<ul>
<li><a href="#1-h2-2">1-H3-1</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#h1-2">Heading 2</a></li>
</ul>
</nav>`, qt.Commentf(got))
got = string(toc.ToHTML(1, 1, false))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ul>
<li><a href="#h1-1">Heading 1</a></li>
<li><a href="#h1-2">Heading 2</a></li>
</ul>
</nav>`, qt.Commentf(got))
got = string(toc.ToHTML(1, 2, false))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ul>
<li><a href="#h1-1">Heading 1</a>
<ul>
<li><a href="#1-h2-1">1-H2-1</a></li>
<li><a href="#1-h2-2">1-H2-2</a></li>
</ul>
</li>
<li><a href="#h1-2">Heading 2</a></li>
</ul>
</nav>`, qt.Commentf(got))
got = string(toc.ToHTML(2, 2, false))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ul>
<li><a href="#1-h2-1">1-H2-1</a></li>
<li><a href="#1-h2-2">1-H2-2</a></li>
</ul>
</nav>`, qt.Commentf(got))
got = string(toc.ToHTML(1, -1, true))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ol>
<li><a href="#h1-1">Heading 1</a>
<ol>
<li><a href="#1-h2-1">1-H2-1</a></li>
<li><a href="#1-h2-2">1-H2-2</a>
<ol>
<li><a href="#1-h2-2">1-H3-1</a></li>
</ol>
</li>
</ol>
</li>
<li><a href="#h1-2">Heading 2</a></li>
</ol>
</nav>`, qt.Commentf(got))
}
func TestTocMissingParent(t *testing.T) {
c := qt.New(t)
toc := &Fragments{}
toc.addAt(&Heading{Title: "H2", ID: "h2"}, 0, 1)
toc.addAt(&Heading{Title: "H3", ID: "h3"}, 1, 2)
toc.addAt(&Heading{Title: "H3", ID: "h3"}, 1, 2)
got := string(toc.ToHTML(1, -1, false))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ul>
<li>
<ul>
<li><a href="#h2">H2</a></li>
</ul>
</li>
<li>
<ul>
<li>
<ul>
<li><a href="#h3">H3</a></li>
<li><a href="#h3">H3</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</nav>`, qt.Commentf(got))
got = string(toc.ToHTML(3, 3, false))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ul>
<li><a href="#h3">H3</a></li>
<li><a href="#h3">H3</a></li>
</ul>
</nav>`, qt.Commentf(got))
got = string(toc.ToHTML(1, -1, true))
c.Assert(got, qt.Equals, `<nav id="TableOfContents">
<ol>
<li>
<ol>
<li><a href="#h2">H2</a></li>
</ol>
</li>
<li>
<ol>
<li>
<ol>
<li><a href="#h3">H3</a></li>
<li><a href="#h3">H3</a></li>
</ol>
</li>
</ol>
</li>
</ol>
</nav>`, qt.Commentf(got))
}
func TestTocMisc(t *testing.T) {
c := qt.New(t)
c.Run("Identifiers", func(c *qt.C) {
toc := newTestToc()
c.Assert(toc.Identifiers, qt.DeepEquals, collections.SortedStringSlice{"1-h2-1", "1-h2-2", "1-h2-2", "h1-1", "h1-2"})
})
c.Run("HeadingsMap", func(c *qt.C) {
toc := newTestToc()
m := toc.HeadingsMap
c.Assert(m["h1-1"].Title, qt.Equals, "Heading 1")
c.Assert(m["doesnot exist"], qt.IsNil)
})
}
func BenchmarkToc(b *testing.B) {
newTocs := func(n int) []*Fragments {
var tocs []*Fragments
for i := 0; i < n; i++ {
tocs = append(tocs, newTestToc())
}
return tocs
}
b.Run("Build", func(b *testing.B) {
var builders []Builder
for i := 0; i < b.N; i++ {
builders = append(builders, newTestTocBuilder())
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
b := builders[i]
b.Build()
}
})
b.Run("ToHTML", func(b *testing.B) {
tocs := newTocs(b.N)
b.ResetTimer()
for i := 0; i < b.N; i++ {
toc := tocs[i]
toc.ToHTML(1, -1, false)
}
})
}