559 lines
19 KiB
Go
559 lines
19 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package markdown_test
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import (
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"context"
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"os"
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"strings"
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"testing"
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"code.gitea.io/gitea/models/unittest"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/markup"
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"code.gitea.io/gitea/modules/markup/markdown"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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"github.com/stretchr/testify/assert"
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)
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const (
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AppURL = "http://localhost:3000/"
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Repo = "gogits/gogs"
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AppSubURL = AppURL + Repo + "/"
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)
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// these values should match the Repo const above
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var localMetas = map[string]string{
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"user": "gogits",
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"repo": "gogs",
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"repoPath": "../../../tests/gitea-repositories-meta/user13/repo11.git/",
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}
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func TestMain(m *testing.M) {
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unittest.InitSettings()
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if err := git.InitSimple(context.Background()); err != nil {
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log.Fatal("git init failed, err: %v", err)
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}
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markup.Init(&markup.ProcessorHelper{
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IsUsernameMentionable: func(ctx context.Context, username string) bool {
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return username == "r-lyeh"
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},
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})
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os.Exit(m.Run())
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}
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func TestRender_StandardLinks(t *testing.T) {
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setting.AppURL = AppURL
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setting.AppSubURL = AppSubURL
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test := func(input, expected, expectedWiki string) {
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buffer, err := markdown.RenderString(&markup.RenderContext{
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Ctx: git.DefaultContext,
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URLPrefix: setting.AppSubURL,
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}, input)
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assert.NoError(t, err)
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assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
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buffer, err = markdown.RenderString(&markup.RenderContext{
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Ctx: git.DefaultContext,
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URLPrefix: setting.AppSubURL,
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IsWiki: true,
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}, input)
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assert.NoError(t, err)
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assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(buffer))
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}
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googleRendered := `<p><a href="https://google.com/" rel="nofollow">https://google.com/</a></p>`
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test("<https://google.com/>", googleRendered, googleRendered)
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lnk := util.URLJoin(AppSubURL, "WikiPage")
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lnkWiki := util.URLJoin(AppSubURL, "wiki", "WikiPage")
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test("[WikiPage](WikiPage)",
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`<p><a href="`+lnk+`" rel="nofollow">WikiPage</a></p>`,
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`<p><a href="`+lnkWiki+`" rel="nofollow">WikiPage</a></p>`)
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}
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func TestRender_Images(t *testing.T) {
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setting.AppURL = AppURL
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setting.AppSubURL = AppSubURL
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test := func(input, expected string) {
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buffer, err := markdown.RenderString(&markup.RenderContext{
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Ctx: git.DefaultContext,
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URLPrefix: setting.AppSubURL,
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}, input)
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assert.NoError(t, err)
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assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
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}
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url := "../../.images/src/02/train.jpg"
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title := "Train"
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href := "https://gitea.io"
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result := util.URLJoin(AppSubURL, url)
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// hint: With Markdown v2.5.2, there is a new syntax: [link](URL){:target="_blank"} , but we do not support it now
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test(
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"!["+title+"]("+url+")",
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`<p><a href="`+result+`" target="_blank" rel="nofollow noopener"><img src="`+result+`" alt="`+title+`"/></a></p>`)
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test(
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"[["+title+"|"+url+"]]",
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`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" title="`+title+`" alt="`+title+`"/></a></p>`)
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test(
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"[!["+title+"]("+url+")]("+href+")",
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`<p><a href="`+href+`" rel="nofollow"><img src="`+result+`" alt="`+title+`"/></a></p>`)
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url = "/../../.images/src/02/train.jpg"
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test(
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"!["+title+"]("+url+")",
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`<p><a href="`+result+`" target="_blank" rel="nofollow noopener"><img src="`+result+`" alt="`+title+`"/></a></p>`)
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test(
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"[["+title+"|"+url+"]]",
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`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" title="`+title+`" alt="`+title+`"/></a></p>`)
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test(
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"[!["+title+"]("+url+")]("+href+")",
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`<p><a href="`+href+`" rel="nofollow"><img src="`+result+`" alt="`+title+`"/></a></p>`)
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}
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func testAnswers(baseURLContent, baseURLImages string) []string {
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return []string{
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`<p>Wiki! Enjoy :)</p>
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<ul>
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<li><a href="` + baseURLContent + `/Links" rel="nofollow">Links, Language bindings, Engine bindings</a></li>
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<li><a href="` + baseURLContent + `/Tips" rel="nofollow">Tips</a></li>
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</ul>
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<p>See commit <a href="http://localhost:3000/gogits/gogs/commit/65f1bf27bc" rel="nofollow"><code>65f1bf27bc</code></a></p>
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<p>Ideas and codes</p>
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<ul>
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<li>Bezier widget (by <a href="` + AppURL + `r-lyeh" rel="nofollow">@r-lyeh</a>) <a href="http://localhost:3000/ocornut/imgui/issues/786" class="ref-issue" rel="nofollow">ocornut/imgui#786</a></li>
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<li>Bezier widget (by <a href="` + AppURL + `r-lyeh" rel="nofollow">@r-lyeh</a>) <a href="http://localhost:3000/gogits/gogs/issues/786" class="ref-issue" rel="nofollow">#786</a></li>
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<li>Node graph editors <a href="https://github.com/ocornut/imgui/issues/306" rel="nofollow">https://github.com/ocornut/imgui/issues/306</a></li>
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<li><a href="` + baseURLContent + `/memory_editor_example" rel="nofollow">Memory Editor</a></li>
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<li><a href="` + baseURLContent + `/plot_var_example" rel="nofollow">Plot var helper</a></li>
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</ul>
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`,
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`<h2 id="user-content-what-is-wine-staging">What is Wine Staging?</h2>
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<p><strong>Wine Staging</strong> on website <a href="http://wine-staging.com" rel="nofollow">wine-staging.com</a>.</p>
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<h2 id="user-content-quick-links">Quick Links</h2>
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<p>Here are some links to the most important topics. You can find the full list of pages at the sidebar.</p>
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<table>
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<thead>
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<tr>
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<th><a href="` + baseURLImages + `/images/icon-install.png" rel="nofollow"><img src="` + baseURLImages + `/images/icon-install.png" title="icon-install.png" alt="images/icon-install.png"/></a></th>
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<th><a href="` + baseURLContent + `/Installation" rel="nofollow">Installation</a></th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><a href="` + baseURLImages + `/images/icon-usage.png" rel="nofollow"><img src="` + baseURLImages + `/images/icon-usage.png" title="icon-usage.png" alt="images/icon-usage.png"/></a></td>
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<td><a href="` + baseURLContent + `/Usage" rel="nofollow">Usage</a></td>
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</tr>
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</tbody>
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</table>
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`,
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`<p><a href="http://www.excelsiorjet.com/" rel="nofollow">Excelsior JET</a> allows you to create native executables for Windows, Linux and Mac OS X.</p>
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<ol>
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<li><a href="https://github.com/libgdx/libgdx/wiki/Gradle-on-the-Commandline#packaging-for-the-desktop" rel="nofollow">Package your libGDX application</a><br/>
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<a href="` + baseURLImages + `/images/1.png" rel="nofollow"><img src="` + baseURLImages + `/images/1.png" title="1.png" alt="images/1.png"/></a></li>
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<li>Perform a test run by hitting the Run! button.<br/>
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<a href="` + baseURLImages + `/images/2.png" rel="nofollow"><img src="` + baseURLImages + `/images/2.png" title="2.png" alt="images/2.png"/></a></li>
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</ol>
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<h2 id="user-content-custom-id">More tests</h2>
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<p>(from <a href="https://www.markdownguide.org/extended-syntax/" rel="nofollow">https://www.markdownguide.org/extended-syntax/</a>)</p>
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<h3 id="user-content-checkboxes">Checkboxes</h3>
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<ul>
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<li class="task-list-item"><input type="checkbox" disabled="" data-source-position="434"/>unchecked</li>
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<li class="task-list-item"><input type="checkbox" disabled="" data-source-position="450" checked=""/>checked</li>
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<li class="task-list-item"><input type="checkbox" disabled="" data-source-position="464"/>still unchecked</li>
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</ul>
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<h3 id="user-content-definition-list">Definition list</h3>
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<dl>
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<dt>First Term</dt>
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<dd>This is the definition of the first term.</dd>
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<dt>Second Term</dt>
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<dd>This is one definition of the second term.</dd>
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<dd>This is another definition of the second term.</dd>
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</dl>
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<h3 id="user-content-footnotes">Footnotes</h3>
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<p>Here is a simple footnote,<sup id="fnref:user-content-1"><a href="#fn:user-content-1" rel="nofollow">1</a></sup> and here is a longer one.<sup id="fnref:user-content-bignote"><a href="#fn:user-content-bignote" rel="nofollow">2</a></sup></p>
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<div>
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<hr/>
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<ol>
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<li id="fn:user-content-1">
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<p>This is the first footnote. <a href="#fnref:user-content-1" rel="nofollow">↩︎</a></p>
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</li>
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<li id="fn:user-content-bignote">
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<p>Here is one with multiple paragraphs and code.</p>
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<p>Indent paragraphs to include them in the footnote.</p>
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<p><code>{ my code }</code></p>
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<p>Add as many paragraphs as you like. <a href="#fnref:user-content-bignote" rel="nofollow">↩︎</a></p>
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</li>
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</ol>
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</div>
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`, `<ul>
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<li class="task-list-item"><input type="checkbox" disabled="" data-source-position="3"/> If you want to rebase/retry this PR, click this checkbox.</li>
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</ul>
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<hr/>
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<p>This PR has been generated by <a href="https://github.com/renovatebot/renovate" rel="nofollow">Renovate Bot</a>.</p>
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`,
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}
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}
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// Test cases without ambiguous links
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var sameCases = []string{
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// dear imgui wiki markdown extract: special wiki syntax
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`Wiki! Enjoy :)
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- [[Links, Language bindings, Engine bindings|Links]]
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- [[Tips]]
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See commit 65f1bf27bc
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Ideas and codes
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- Bezier widget (by @r-lyeh) ` + AppURL + `ocornut/imgui/issues/786
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- Bezier widget (by @r-lyeh) ` + AppURL + `gogits/gogs/issues/786
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- Node graph editors https://github.com/ocornut/imgui/issues/306
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- [[Memory Editor|memory_editor_example]]
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- [[Plot var helper|plot_var_example]]`,
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// wine-staging wiki home extract: tables, special wiki syntax, images
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`## What is Wine Staging?
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**Wine Staging** on website [wine-staging.com](http://wine-staging.com).
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## Quick Links
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Here are some links to the most important topics. You can find the full list of pages at the sidebar.
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| [[images/icon-install.png]] | [[Installation]] |
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|--------------------------------|----------------------------------------------------------|
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| [[images/icon-usage.png]] | [[Usage]] |
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`,
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// libgdx wiki page: inline images with special syntax
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`[Excelsior JET](http://www.excelsiorjet.com/) allows you to create native executables for Windows, Linux and Mac OS X.
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1. [Package your libGDX application](https://github.com/libgdx/libgdx/wiki/Gradle-on-the-Commandline#packaging-for-the-desktop)
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[[images/1.png]]
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2. Perform a test run by hitting the Run! button.
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[[images/2.png]]
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## More tests {#custom-id}
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(from https://www.markdownguide.org/extended-syntax/)
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### Checkboxes
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- [ ] unchecked
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- [x] checked
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- [ ] still unchecked
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### Definition list
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First Term
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: This is the definition of the first term.
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Second Term
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: This is one definition of the second term.
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: This is another definition of the second term.
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### Footnotes
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Here is a simple footnote,[^1] and here is a longer one.[^bignote]
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[^1]: This is the first footnote.
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[^bignote]: Here is one with multiple paragraphs and code.
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Indent paragraphs to include them in the footnote.
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` + "`{ my code }`" + `
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Add as many paragraphs as you like.
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`,
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`
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- [ ] <!-- rebase-check --> If you want to rebase/retry this PR, click this checkbox.
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---
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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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<!-- test-comment -->`,
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}
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func TestTotal_RenderWiki(t *testing.T) {
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setting.AppURL = AppURL
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setting.AppSubURL = AppSubURL
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answers := testAnswers(util.URLJoin(AppSubURL, "wiki/"), util.URLJoin(AppSubURL, "wiki", "raw/"))
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for i := 0; i < len(sameCases); i++ {
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line, err := markdown.RenderString(&markup.RenderContext{
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Ctx: git.DefaultContext,
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URLPrefix: AppSubURL,
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Metas: localMetas,
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IsWiki: true,
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}, sameCases[i])
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assert.NoError(t, err)
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assert.Equal(t, answers[i], line)
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}
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testCases := []string{
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// Guard wiki sidebar: special syntax
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`[[Guardfile-DSL / Configuring-Guard|Guardfile-DSL---Configuring-Guard]]`,
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// rendered
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`<p><a href="` + AppSubURL + `wiki/Guardfile-DSL---Configuring-Guard" rel="nofollow">Guardfile-DSL / Configuring-Guard</a></p>
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`,
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// special syntax
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`[[Name|Link]]`,
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// rendered
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`<p><a href="` + AppSubURL + `wiki/Link" rel="nofollow">Name</a></p>
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`,
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}
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for i := 0; i < len(testCases); i += 2 {
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line, err := markdown.RenderString(&markup.RenderContext{
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Ctx: git.DefaultContext,
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URLPrefix: AppSubURL,
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IsWiki: true,
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}, testCases[i])
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assert.NoError(t, err)
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assert.Equal(t, testCases[i+1], line)
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}
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}
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func TestTotal_RenderString(t *testing.T) {
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setting.AppURL = AppURL
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setting.AppSubURL = AppSubURL
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answers := testAnswers(util.URLJoin(AppSubURL, "src", "master/"), util.URLJoin(AppSubURL, "raw", "master/"))
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for i := 0; i < len(sameCases); i++ {
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line, err := markdown.RenderString(&markup.RenderContext{
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Ctx: git.DefaultContext,
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URLPrefix: util.URLJoin(AppSubURL, "src", "master/"),
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Metas: localMetas,
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}, sameCases[i])
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assert.NoError(t, err)
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assert.Equal(t, answers[i], line)
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}
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testCases := []string{}
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for i := 0; i < len(testCases); i += 2 {
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line, err := markdown.RenderString(&markup.RenderContext{
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Ctx: git.DefaultContext,
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URLPrefix: AppSubURL,
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}, testCases[i])
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assert.NoError(t, err)
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assert.Equal(t, testCases[i+1], line)
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}
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}
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func TestRender_RenderParagraphs(t *testing.T) {
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test := func(t *testing.T, str string, cnt int) {
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res, err := markdown.RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, str)
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assert.NoError(t, err)
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assert.Equal(t, cnt, strings.Count(res, "<p"), "Rendered result for unix should have %d paragraph(s) but has %d:\n%s\n", cnt, strings.Count(res, "<p"), res)
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mac := strings.ReplaceAll(str, "\n", "\r")
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res, err = markdown.RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, mac)
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assert.NoError(t, err)
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assert.Equal(t, cnt, strings.Count(res, "<p"), "Rendered result for mac should have %d paragraph(s) but has %d:\n%s\n", cnt, strings.Count(res, "<p"), res)
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dos := strings.ReplaceAll(str, "\n", "\r\n")
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res, err = markdown.RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, dos)
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assert.NoError(t, err)
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assert.Equal(t, cnt, strings.Count(res, "<p"), "Rendered result for windows should have %d paragraph(s) but has %d:\n%s\n", cnt, strings.Count(res, "<p"), res)
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}
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test(t, "\nOne\nTwo\nThree", 1)
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test(t, "\n\nOne\nTwo\nThree", 1)
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test(t, "\n\nOne\nTwo\nThree\n\n\n", 1)
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test(t, "A\n\nB\nC\n", 2)
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test(t, "A\n\n\nB\nC\n", 2)
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}
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func TestMarkdownRenderRaw(t *testing.T) {
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testcases := [][]byte{
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{ // clusterfuzz_testcase_minimized_fuzz_markdown_render_raw_6267570554535936
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0x2a, 0x20, 0x2d, 0x0a, 0x09, 0x20, 0x60, 0x5b, 0x0a, 0x09, 0x20, 0x60,
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0x5b,
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},
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{ // clusterfuzz_testcase_minimized_fuzz_markdown_render_raw_6278827345051648
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0x2d, 0x20, 0x2d, 0x0d, 0x09, 0x60, 0x0d, 0x09, 0x60,
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},
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{ // clusterfuzz_testcase_minimized_fuzz_markdown_render_raw_6016973788020736[] = {
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0x7b, 0x63, 0x6c, 0x61, 0x73, 0x73, 0x3d, 0x35, 0x7d, 0x0a, 0x3d,
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},
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}
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for _, testcase := range testcases {
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log.Info("Test markdown render error with fuzzy data: %x, the following errors can be recovered", testcase)
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_, err := markdown.RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, string(testcase))
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assert.NoError(t, err)
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}
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}
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func TestRenderSiblingImages_Issue12925(t *testing.T) {
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testcase := `
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`
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expected := `<p><a href="/image1" target="_blank" rel="nofollow noopener"><img src="/image1" alt="image1"></a><br>
|
|
<a href="/image2" target="_blank" rel="nofollow noopener"><img src="/image2" alt="image2"></a></p>
|
|
`
|
|
res, err := markdown.RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, testcase)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, expected, res)
|
|
}
|
|
|
|
func TestRenderEmojiInLinks_Issue12331(t *testing.T) {
|
|
testcase := `[Link with emoji :moon: in text](https://gitea.io)`
|
|
expected := `<p><a href="https://gitea.io" rel="nofollow">Link with emoji <span class="emoji" aria-label="waxing gibbous moon">🌔</span> in text</a></p>
|
|
`
|
|
res, err := markdown.RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, testcase)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, expected, res)
|
|
}
|
|
|
|
func TestColorPreview(t *testing.T) {
|
|
const nl = "\n"
|
|
positiveTests := []struct {
|
|
testcase string
|
|
expected string
|
|
}{
|
|
{ // hex
|
|
"`#FF0000`",
|
|
`<p><code>#FF0000<span class="color-preview" style="background-color: #FF0000"></span></code></p>` + nl,
|
|
},
|
|
{ // rgb
|
|
"`rgb(16, 32, 64)`",
|
|
`<p><code>rgb(16, 32, 64)<span class="color-preview" style="background-color: rgb(16, 32, 64)"></span></code></p>` + nl,
|
|
},
|
|
{ // short hex
|
|
"This is the color white `#000`",
|
|
`<p>This is the color white <code>#000<span class="color-preview" style="background-color: #000"></span></code></p>` + nl,
|
|
},
|
|
{ // hsl
|
|
"HSL stands for hue, saturation, and lightness. An example: `hsl(0, 100%, 50%)`.",
|
|
`<p>HSL stands for hue, saturation, and lightness. An example: <code>hsl(0, 100%, 50%)<span class="color-preview" style="background-color: hsl(0, 100%, 50%)"></span></code>.</p>` + nl,
|
|
},
|
|
{ // uppercase hsl
|
|
"HSL stands for hue, saturation, and lightness. An example: `HSL(0, 100%, 50%)`.",
|
|
`<p>HSL stands for hue, saturation, and lightness. An example: <code>HSL(0, 100%, 50%)<span class="color-preview" style="background-color: HSL(0, 100%, 50%)"></span></code>.</p>` + nl,
|
|
},
|
|
}
|
|
|
|
for _, test := range positiveTests {
|
|
res, err := markdown.RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, test.testcase)
|
|
assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
|
|
assert.Equal(t, test.expected, res, "Unexpected result in testcase %q", test.testcase)
|
|
|
|
}
|
|
|
|
negativeTests := []string{
|
|
// not a color code
|
|
"`FF0000`",
|
|
// inside a code block
|
|
"```javascript" + nl + `const red = "#FF0000";` + nl + "```",
|
|
// no backticks
|
|
"rgb(166, 32, 64)",
|
|
// typo
|
|
"`hsI(0, 100%, 50%)`",
|
|
// looks like a color but not really
|
|
"`hsl(40, 60, 80)`",
|
|
}
|
|
|
|
for _, test := range negativeTests {
|
|
res, err := markdown.RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, test)
|
|
assert.NoError(t, err, "Unexpected error in testcase: %q", test)
|
|
assert.NotContains(t, res, `<span class="color-preview" style="background-color: `, "Unexpected result in testcase %q", test)
|
|
}
|
|
}
|
|
|
|
func TestMathBlock(t *testing.T) {
|
|
const nl = "\n"
|
|
testcases := []struct {
|
|
testcase string
|
|
expected string
|
|
}{
|
|
{
|
|
"$a$",
|
|
`<p><code class="language-math is-loading">a</code></p>` + nl,
|
|
},
|
|
{
|
|
"$ a $",
|
|
`<p><code class="language-math is-loading">a</code></p>` + nl,
|
|
},
|
|
{
|
|
"$a$ $b$",
|
|
`<p><code class="language-math is-loading">a</code> <code class="language-math is-loading">b</code></p>` + nl,
|
|
},
|
|
{
|
|
`\(a\) \(b\)`,
|
|
`<p><code class="language-math is-loading">a</code> <code class="language-math is-loading">b</code></p>` + nl,
|
|
},
|
|
{
|
|
`$a a$b b$`,
|
|
`<p><code class="language-math is-loading">a a$b b</code></p>` + nl,
|
|
},
|
|
{
|
|
`a a$b b`,
|
|
`<p>a a$b b</p>` + nl,
|
|
},
|
|
{
|
|
`a$b $a a$b b$`,
|
|
`<p>a$b <code class="language-math is-loading">a a$b b</code></p>` + nl,
|
|
},
|
|
{
|
|
"$$a$$",
|
|
`<pre class="code-block is-loading"><code class="chroma language-math display">a</code></pre>` + nl,
|
|
},
|
|
}
|
|
|
|
for _, test := range testcases {
|
|
res, err := markdown.RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, test.testcase)
|
|
assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
|
|
assert.Equal(t, test.expected, res, "Unexpected result in testcase %q", test.testcase)
|
|
|
|
}
|
|
}
|
|
|
|
func TestTaskList(t *testing.T) {
|
|
testcases := []struct {
|
|
testcase string
|
|
expected string
|
|
}{
|
|
{
|
|
// data-source-position should take into account YAML frontmatter.
|
|
`---
|
|
foo: bar
|
|
---
|
|
- [ ] task 1`,
|
|
`<details><summary><i class="icon table"></i></summary><table>
|
|
<thead>
|
|
<tr>
|
|
<th>foo</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>bar</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</details><ul>
|
|
<li class="task-list-item"><input type="checkbox" disabled="" data-source-position="19"/>task 1</li>
|
|
</ul>
|
|
`,
|
|
},
|
|
}
|
|
|
|
for _, test := range testcases {
|
|
res, err := markdown.RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, test.testcase)
|
|
assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
|
|
assert.Equal(t, test.expected, res, "Unexpected result in testcase %q", test.testcase)
|
|
}
|
|
}
|