mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
420 lines
14 KiB
Go
420 lines
14 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 helpers
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import (
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"bytes"
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"html/template"
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"reflect"
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"strings"
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"testing"
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"github.com/miekg/mmark"
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"github.com/russross/blackfriday"
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"github.com/stretchr/testify/assert"
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)
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const tstHTMLContent = "<!DOCTYPE html><html><head><script src=\"http://two/foobar.js\"></script></head><body><nav><ul><li hugo-nav=\"section_0\"></li><li hugo-nav=\"section_1\"></li></ul></nav><article>content <a href=\"http://two/foobar\">foobar</a>. Follow up</article><p>This is some text.<br>And some more.</p></body></html>"
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func TestStripHTML(t *testing.T) {
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type test struct {
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input, expected string
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}
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data := []test{
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{"<h1>strip h1 tag <h1>", "strip h1 tag "},
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{"<p> strip p tag </p>", " strip p tag \n"},
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{"</br> strip br<br>", " strip br\n"},
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{"</br> strip br2<br />", " strip br2\n"},
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{"This <strong>is</strong> a\nnewline", "This is a newline"},
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{"No Tags", "No Tags"},
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}
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for i, d := range data {
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output := StripHTML(d.input)
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if d.expected != output {
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t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
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}
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}
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}
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func BenchmarkStripHTML(b *testing.B) {
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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StripHTML(tstHTMLContent)
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}
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}
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func TestStripEmptyNav(t *testing.T) {
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cleaned := stripEmptyNav([]byte("do<nav>\n</nav>\n\nbedobedo"))
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assert.Equal(t, []byte("dobedobedo"), cleaned)
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}
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func TestBytesToHTML(t *testing.T) {
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assert.Equal(t, template.HTML("dobedobedo"), BytesToHTML([]byte("dobedobedo")))
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}
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func TestTruncateWordsToWholeSentence(t *testing.T) {
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type test struct {
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input, expected string
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max int
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truncated bool
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}
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data := []test{
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{"a b c", "a b c", 12, false},
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{"a b c", "a b c", 3, false},
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{"a", "a", 1, false},
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{"This is a sentence.", "This is a sentence.", 5, false},
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{"This is also a sentence!", "This is also a sentence!", 1, false},
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{"To be. Or not to be. That's the question.", "To be.", 1, true},
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{" \nThis is not a sentence\n ", "This is not a", 4, true},
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}
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for i, d := range data {
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output, truncated := TruncateWordsToWholeSentence(strings.Fields(d.input), d.max)
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if d.expected != output {
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t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
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}
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if d.truncated != truncated {
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t.Errorf("Test %d failed. Expected truncated=%t got %t", i, d.truncated, truncated)
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}
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}
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}
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func TestTruncateWordsByRune(t *testing.T) {
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type test struct {
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input, expected string
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max int
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truncated bool
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}
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data := []test{
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{"", "", 1, false},
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{"a b c", "a b c", 12, false},
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{"a b c", "a b c", 3, false},
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{"a", "a", 1, false},
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{"Hello 中国", "", 0, true},
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{"这是中文，全中文。", "这是中文，", 5, true},
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{"Hello 中国", "Hello 中", 2, true},
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{"Hello 中国", "Hello 中国", 3, false},
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{"Hello中国 Good 好的", "Hello中国 Good 好", 9, true},
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{"This is a sentence.", "This is", 2, true},
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{"This is also a sentence!", "This", 1, true},
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{"To be. Or not to be. That's the question.", "To be. Or not", 4, true},
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{" \nThis is not a sentence\n ", "This is not", 3, true},
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}
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for i, d := range data {
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output, truncated := TruncateWordsByRune(strings.Fields(d.input), d.max)
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if d.expected != output {
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t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
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}
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if d.truncated != truncated {
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t.Errorf("Test %d failed. Expected truncated=%t got %t", i, d.truncated, truncated)
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}
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}
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}
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func TestGetHTMLRendererFlags(t *testing.T) {
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ctx := &RenderingContext{}
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renderer := getHTMLRenderer(blackfriday.HTML_USE_XHTML, ctx)
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flags := renderer.GetFlags()
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if flags&blackfriday.HTML_USE_XHTML != blackfriday.HTML_USE_XHTML {
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t.Errorf("Test flag: %d was not found amongs set flags:%d; Result: %d", blackfriday.HTML_USE_XHTML, flags, flags&blackfriday.HTML_USE_XHTML)
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}
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}
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func TestGetHTMLRendererAllFlags(t *testing.T) {
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type data struct {
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testFlag int
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}
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allFlags := []data{
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{blackfriday.HTML_USE_XHTML},
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{blackfriday.HTML_FOOTNOTE_RETURN_LINKS},
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{blackfriday.HTML_USE_SMARTYPANTS},
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{blackfriday.HTML_SMARTYPANTS_ANGLED_QUOTES},
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{blackfriday.HTML_SMARTYPANTS_FRACTIONS},
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{blackfriday.HTML_HREF_TARGET_BLANK},
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{blackfriday.HTML_SMARTYPANTS_DASHES},
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{blackfriday.HTML_SMARTYPANTS_LATEX_DASHES},
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}
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defaultFlags := blackfriday.HTML_USE_XHTML
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ctx := &RenderingContext{}
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ctx.Config = ctx.getConfig()
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ctx.Config.AngledQuotes = true
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ctx.Config.Fractions = true
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ctx.Config.HrefTargetBlank = true
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ctx.Config.LatexDashes = true
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ctx.Config.PlainIDAnchors = true
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ctx.Config.SmartDashes = true
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ctx.Config.Smartypants = true
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ctx.Config.SourceRelativeLinksEval = true
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renderer := getHTMLRenderer(defaultFlags, ctx)
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actualFlags := renderer.GetFlags()
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var expectedFlags int
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//OR-ing flags together...
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for _, d := range allFlags {
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expectedFlags |= d.testFlag
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}
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if expectedFlags != actualFlags {
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t.Errorf("Expected flags (%d) did not equal actual (%d) flags.", expectedFlags, actualFlags)
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}
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}
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func TestGetHTMLRendererAnchors(t *testing.T) {
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ctx := &RenderingContext{}
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ctx.DocumentID = 123
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ctx.Config = ctx.getConfig()
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ctx.Config.PlainIDAnchors = false
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actualRenderer := getHTMLRenderer(0, ctx)
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headerBuffer := &bytes.Buffer{}
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footnoteBuffer := &bytes.Buffer{}
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expectedFootnoteHref := []byte("href=\"#fn:123:href\"")
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expectedHeaderID := []byte("<h1 id=\"id:123\"></h1>\n")
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actualRenderer.Header(headerBuffer, func() bool { return true }, 1, "id")
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actualRenderer.FootnoteRef(footnoteBuffer, []byte("href"), 1)
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if !bytes.Contains(footnoteBuffer.Bytes(), expectedFootnoteHref) {
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t.Errorf("Footnote anchor prefix not applied. Actual:%s Expected:%s", footnoteBuffer.String(), expectedFootnoteHref)
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}
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if !bytes.Equal(headerBuffer.Bytes(), expectedHeaderID) {
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t.Errorf("Header Id Postfix not applied. Actual:%s Expected:%s", headerBuffer.String(), expectedHeaderID)
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}
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}
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func TestGetMmarkHTMLRenderer(t *testing.T) {
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ctx := &RenderingContext{}
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ctx.DocumentID = 321
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ctx.Config = ctx.getConfig()
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ctx.Config.PlainIDAnchors = false
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actualRenderer := getMmarkHTMLRenderer(0, ctx)
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headerBuffer := &bytes.Buffer{}
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footnoteBuffer := &bytes.Buffer{}
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expectedFootnoteHref := []byte("href=\"#fn:321:href\"")
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expectedHeaderID := []byte("<h1 id=\"id\"></h1>")
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actualRenderer.FootnoteRef(footnoteBuffer, []byte("href"), 1)
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actualRenderer.Header(headerBuffer, func() bool { return true }, 1, "id")
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if !bytes.Contains(footnoteBuffer.Bytes(), expectedFootnoteHref) {
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t.Errorf("Footnote anchor prefix not applied. Actual:%s Expected:%s", footnoteBuffer.String(), expectedFootnoteHref)
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}
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if bytes.Equal(headerBuffer.Bytes(), expectedHeaderID) {
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t.Errorf("Header Id Postfix applied. Actual:%s Expected:%s", headerBuffer.String(), expectedHeaderID)
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}
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}
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func TestGetMarkdownExtensionsMasksAreRemovedFromExtensions(t *testing.T) {
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ctx := &RenderingContext{}
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ctx.Config = ctx.getConfig()
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ctx.Config.Extensions = []string{"headerId"}
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ctx.Config.ExtensionsMask = []string{"noIntraEmphasis"}
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actualFlags := getMarkdownExtensions(ctx)
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if actualFlags&blackfriday.EXTENSION_NO_INTRA_EMPHASIS == blackfriday.EXTENSION_NO_INTRA_EMPHASIS {
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t.Errorf("Masked out flag {%v} found amongst returned extensions.", blackfriday.EXTENSION_NO_INTRA_EMPHASIS)
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}
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}
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func TestGetMarkdownExtensionsByDefaultAllExtensionsAreEnabled(t *testing.T) {
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type data struct {
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testFlag int
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}
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ctx := &RenderingContext{}
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ctx.Config = ctx.getConfig()
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ctx.Config.Extensions = []string{""}
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ctx.Config.ExtensionsMask = []string{""}
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allExtensions := []data{
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{blackfriday.EXTENSION_NO_INTRA_EMPHASIS},
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{blackfriday.EXTENSION_TABLES},
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{blackfriday.EXTENSION_FENCED_CODE},
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{blackfriday.EXTENSION_AUTOLINK},
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{blackfriday.EXTENSION_STRIKETHROUGH},
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// {blackfriday.EXTENSION_LAX_HTML_BLOCKS},
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{blackfriday.EXTENSION_SPACE_HEADERS},
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// {blackfriday.EXTENSION_HARD_LINE_BREAK},
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// {blackfriday.EXTENSION_TAB_SIZE_EIGHT},
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{blackfriday.EXTENSION_FOOTNOTES},
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// {blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK},
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{blackfriday.EXTENSION_HEADER_IDS},
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// {blackfriday.EXTENSION_TITLEBLOCK},
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{blackfriday.EXTENSION_AUTO_HEADER_IDS},
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{blackfriday.EXTENSION_BACKSLASH_LINE_BREAK},
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{blackfriday.EXTENSION_DEFINITION_LISTS},
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}
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actualFlags := getMarkdownExtensions(ctx)
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for _, e := range allExtensions {
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if actualFlags&e.testFlag != e.testFlag {
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t.Errorf("Flag %v was not found in the list of extensions.", e)
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}
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}
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}
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func TestGetMarkdownExtensionsAddingFlagsThroughRenderingContext(t *testing.T) {
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ctx := &RenderingContext{}
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ctx.Config = ctx.getConfig()
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ctx.Config.Extensions = []string{"definitionLists"}
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ctx.Config.ExtensionsMask = []string{""}
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actualFlags := getMarkdownExtensions(ctx)
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if actualFlags&blackfriday.EXTENSION_DEFINITION_LISTS != blackfriday.EXTENSION_DEFINITION_LISTS {
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t.Errorf("Masked out flag {%v} found amongst returned extensions.", blackfriday.EXTENSION_DEFINITION_LISTS)
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}
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}
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func TestGetMarkdownRenderer(t *testing.T) {
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ctx := &RenderingContext{}
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ctx.Content = []byte("testContent")
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ctx.Config = ctx.getConfig()
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actualRenderedMarkdown := markdownRender(ctx)
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expectedRenderedMarkdown := []byte("<p>testContent</p>\n")
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if !bytes.Equal(actualRenderedMarkdown, expectedRenderedMarkdown) {
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t.Errorf("Actual rendered Markdown (%s) did not match expected markdown (%s)", actualRenderedMarkdown, expectedRenderedMarkdown)
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}
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}
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func TestGetMarkdownRendererWithTOC(t *testing.T) {
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ctx := &RenderingContext{}
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ctx.Content = []byte("testContent")
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ctx.Config = ctx.getConfig()
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actualRenderedMarkdown := markdownRenderWithTOC(ctx)
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expectedRenderedMarkdown := []byte("<nav>\n</nav>\n\n<p>testContent</p>\n")
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if !bytes.Equal(actualRenderedMarkdown, expectedRenderedMarkdown) {
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t.Errorf("Actual rendered Markdown (%s) did not match expected markdown (%s)", actualRenderedMarkdown, expectedRenderedMarkdown)
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}
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}
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func TestGetMmarkExtensions(t *testing.T) {
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//TODO: This is doing the same just with different marks...
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type data struct {
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testFlag int
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}
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ctx := &RenderingContext{}
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ctx.Config = ctx.getConfig()
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ctx.Config.Extensions = []string{"tables"}
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ctx.Config.ExtensionsMask = []string{""}
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allExtensions := []data{
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{mmark.EXTENSION_TABLES},
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{mmark.EXTENSION_FENCED_CODE},
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{mmark.EXTENSION_AUTOLINK},
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{mmark.EXTENSION_SPACE_HEADERS},
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{mmark.EXTENSION_CITATION},
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{mmark.EXTENSION_TITLEBLOCK_TOML},
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{mmark.EXTENSION_HEADER_IDS},
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{mmark.EXTENSION_AUTO_HEADER_IDS},
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{mmark.EXTENSION_UNIQUE_HEADER_IDS},
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{mmark.EXTENSION_FOOTNOTES},
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{mmark.EXTENSION_SHORT_REF},
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{mmark.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK},
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{mmark.EXTENSION_INCLUDE},
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}
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actualFlags := getMmarkExtensions(ctx)
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for _, e := range allExtensions {
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if actualFlags&e.testFlag != e.testFlag {
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t.Errorf("Flag %v was not found in the list of extensions.", e)
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}
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}
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}
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func TestMmarkRender(t *testing.T) {
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ctx := &RenderingContext{}
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ctx.Content = []byte("testContent")
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ctx.Config = ctx.getConfig()
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actualRenderedMarkdown := mmarkRender(ctx)
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expectedRenderedMarkdown := []byte("<p>testContent</p>\n")
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if !bytes.Equal(actualRenderedMarkdown, expectedRenderedMarkdown) {
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t.Errorf("Actual rendered Markdown (%s) did not match expected markdown (%s)", actualRenderedMarkdown, expectedRenderedMarkdown)
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}
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}
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func TestExtractTOCNormalContent(t *testing.T) {
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content := []byte("<nav>\n<ul>\nTOC<li><a href=\"#")
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actualTocLessContent, actualToc := ExtractTOC(content)
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expectedTocLess := []byte("TOC<li><a href=\"#")
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expectedToc := []byte("<nav id=\"TableOfContents\">\n<ul>\n")
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if !bytes.Equal(actualTocLessContent, expectedTocLess) {
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t.Errorf("Actual tocless (%s) did not equal expected (%s) tocless content", actualTocLessContent, expectedTocLess)
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}
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if !bytes.Equal(actualToc, expectedToc) {
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t.Errorf("Actual toc (%s) did not equal expected (%s) toc content", actualToc, expectedToc)
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}
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}
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func TestExtractTOCGreaterThanSeventy(t *testing.T) {
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content := []byte("<nav>\n<ul>\nTOC This is a very long content which will definitely be greater than seventy, I promise you that.<li><a href=\"#")
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actualTocLessContent, actualToc := ExtractTOC(content)
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//Because the start of Toc is greater than 70+startpoint of <li> content and empty TOC will be returned
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expectedToc := []byte("")
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if !bytes.Equal(actualTocLessContent, content) {
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t.Errorf("Actual tocless (%s) did not equal expected (%s) tocless content", actualTocLessContent, content)
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}
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if !bytes.Equal(actualToc, expectedToc) {
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t.Errorf("Actual toc (%s) did not equal expected (%s) toc content", actualToc, expectedToc)
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}
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}
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func TestExtractNoTOC(t *testing.T) {
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content := []byte("TOC")
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actualTocLessContent, actualToc := ExtractTOC(content)
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expectedToc := []byte("")
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if !bytes.Equal(actualTocLessContent, content) {
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t.Errorf("Actual tocless (%s) did not equal expected (%s) tocless content", actualTocLessContent, content)
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}
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if !bytes.Equal(actualToc, expectedToc) {
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t.Errorf("Actual toc (%s) did not equal expected (%s) toc content", actualToc, expectedToc)
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}
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}
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func TestTotalWords(t *testing.T) {
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testString := "Two, Words!"
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actualWordCount := TotalWords(testString)
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if actualWordCount != 2 {
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t.Errorf("Actual word count (%d) for test string (%s) did not match 2.", actualWordCount, testString)
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}
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}
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func TestWordCount(t *testing.T) {
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testString := "Two, Words!"
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expectedMap := map[string]int{"Two,": 1, "Words!": 1}
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actualMap := WordCount(testString)
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if !reflect.DeepEqual(expectedMap, actualMap) {
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t.Errorf("Actual Map (%v) does not equal expected (%v)", actualMap, expectedMap)
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}
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}
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func TestRemoveSummaryDivider(t *testing.T) {
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content := []byte("This is before. <!--more-->This is after.")
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actualRemovedContent := RemoveSummaryDivider(content)
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expectedRemovedContent := []byte("This is before. This is after.")
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if !bytes.Equal(actualRemovedContent, expectedRemovedContent) {
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t.Errorf("Actual removed content (%s) did not equal expected removed content (%s)", actualRemovedContent, expectedRemovedContent)
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}
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}
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