hugo/helpers/content_test.go

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