mirror of
https://github.com/go-gitea/gitea.git
synced 2025-10-26 12:27:06 +00:00
550 lines
20 KiB
Go
550 lines
20 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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"html/template"
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"strings"
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"testing"
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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/test"
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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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testRepoOwnerName = "user13"
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testRepoName = "repo11"
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FullURL = AppURL + testRepoOwnerName + "/" + testRepoName + "/"
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)
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// these values should match the const above
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var localMetas = map[string]string{
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"user": testRepoOwnerName,
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"repo": testRepoName,
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}
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func TestRender_StandardLinks(t *testing.T) {
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test := func(input, expected string) {
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buffer, err := markdown.RenderString(markup.NewTestRenderContext(), input)
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assert.NoError(t, err)
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assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(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)
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test("[Link](Link)", `<p><a href="/Link" rel="nofollow">Link</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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render := func(input, expected string) {
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buffer, err := markdown.RenderString(markup.NewTestRenderContext(FullURL), input)
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assert.NoError(t, err)
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assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(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(FullURL, 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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render(
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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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render(
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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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render(
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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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render(
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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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render(
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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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render(
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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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defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableAdditionalAttributes, false)()
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render(
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"<a><img src='a.jpg'></a>", // by the way, empty "a" tag will be removed
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`<p dir="auto"><img src="http://localhost:3000/user13/repo11/a.jpg" loading="lazy"/></p>`)
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}
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func TestTotal_RenderString(t *testing.T) {
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defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableAdditionalAttributes, true)()
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// Test cases without ambiguous links (It is not right to copy a whole file here, instead it should clearly test what is being tested)
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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) ` + FullURL + `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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baseURL := ""
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testAnswers := []string{
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`<p>Wiki! Enjoy :)</p>
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<ul>
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<li><a href="` + baseURL + `/Links" rel="nofollow">Links, Language bindings, Engine bindings</a></li>
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<li><a href="` + baseURL + `/Tips" rel="nofollow">Tips</a></li>
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</ul>
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<p>See commit <a href="/` + testRepoOwnerName + `/` + testRepoName + `/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="/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="/r-lyeh" rel="nofollow">@r-lyeh</a>) <a href="` + FullURL + `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="` + baseURL + `/memory_editor_example" rel="nofollow">Memory Editor</a></li>
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<li><a href="` + baseURL + `/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="` + baseURL + `/images/icon-install.png" rel="nofollow"><img src="` + baseURL + `/images/icon-install.png" title="icon-install.png" alt="images/icon-install.png"/></a></th>
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<th><a href="` + baseURL + `/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="` + baseURL + `/images/icon-usage.png" rel="nofollow"><img src="` + baseURL + `/images/icon-usage.png" title="icon-usage.png" alt="images/icon-usage.png"/></a></td>
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<td><a href="` + baseURL + `/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>
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<a href="` + baseURL + `/images/1.png" rel="nofollow"><img src="` + baseURL + `/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.
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<a href="` + baseURL + `/images/2.png" rel="nofollow"><img src="` + baseURL + `/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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`,
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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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markup.Init(&markup.RenderHelperFuncs{
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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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for i := range sameCases {
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line, err := markdown.RenderString(markup.NewTestRenderContext(localMetas), sameCases[i])
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assert.NoError(t, err)
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assert.Equal(t, testAnswers[i], string(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.NewTestRenderContext(), 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.NewTestRenderContext(), 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.NewTestRenderContext(), 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.NewTestRenderContext(), 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>
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<a href="/image2" target="_blank" rel="nofollow noopener"><img src="/image2" alt="image2"/></a></p>
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`
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res, err := markdown.RenderString(markup.NewTestRenderContext(), testcase)
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assert.NoError(t, err)
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assert.Equal(t, expected, string(res))
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}
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func TestRenderEmojiInLinks_Issue12331(t *testing.T) {
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testcase := `[Link with emoji :moon: in text](https://gitea.io)`
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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>
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`
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res, err := markdown.RenderString(markup.NewTestRenderContext(), testcase)
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assert.NoError(t, err)
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assert.Equal(t, template.HTML(expected), res)
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}
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func TestColorPreview(t *testing.T) {
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const nl = "\n"
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positiveTests := []struct {
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testcase string
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expected string
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}{
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{ // do not render color names
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"The CSS class `red` is there",
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"<p>The CSS class <code>red</code> is there</p>\n",
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},
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{ // hex
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"`#FF0000`",
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`<p><code>#FF0000<span class="color-preview" style="background-color: #FF0000"></span></code></p>` + nl,
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},
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{ // rgb
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"`rgb(16, 32, 64)`",
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`<p><code>rgb(16, 32, 64)<span class="color-preview" style="background-color: rgb(16, 32, 64)"></span></code></p>` + nl,
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},
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{ // short hex
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"This is the color white `#0a0`",
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`<p>This is the color white <code>#0a0<span class="color-preview" style="background-color: #0a0"></span></code></p>` + nl,
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},
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{ // hsl
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"HSL stands for hue, saturation, and lightness. An example: `hsl(0, 100%, 50%)`.",
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`<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,
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},
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{ // uppercase hsl
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"HSL stands for hue, saturation, and lightness. An example: `HSL(0, 100%, 50%)`.",
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`<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,
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},
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}
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for _, test := range positiveTests {
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res, err := markdown.RenderString(markup.NewTestRenderContext(), test.testcase)
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assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
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assert.Equal(t, template.HTML(test.expected), res, "Unexpected result in testcase %q", test.testcase)
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}
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negativeTests := []string{
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// not a color code
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"`FF0000`",
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// inside a code block
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"```javascript" + nl + `const red = "#FF0000";` + nl + "```",
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// no backticks
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"rgb(166, 32, 64)",
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// typo
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"`hsI(0, 100%, 50%)`",
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// looks like a color but not really
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"`hsl(40, 60, 80)`",
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}
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for _, test := range negativeTests {
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res, err := markdown.RenderString(markup.NewTestRenderContext(), 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 TestMarkdownFrontmatter(t *testing.T) {
|
|
testcases := []struct {
|
|
name string
|
|
input string
|
|
expected string
|
|
}{
|
|
{
|
|
"MapInFrontmatter",
|
|
`---
|
|
key1: val1
|
|
key2: val2
|
|
---
|
|
test
|
|
`,
|
|
`<details class="frontmatter-content"><summary><span>octicon-table(12/)</span> key1, key2</summary><table>
|
|
<thead>
|
|
<tr>
|
|
<th>key1</th>
|
|
<th>key2</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>val1</td>
|
|
<td>val2</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</details><p>test</p>
|
|
`,
|
|
},
|
|
|
|
{
|
|
"ListInFrontmatter",
|
|
`---
|
|
- item1
|
|
- item2
|
|
---
|
|
test
|
|
`,
|
|
`- item1
|
|
- item2
|
|
|
|
<p>test</p>
|
|
`,
|
|
},
|
|
|
|
{
|
|
"StringInFrontmatter",
|
|
`---
|
|
anything
|
|
---
|
|
test
|
|
`,
|
|
`anything
|
|
|
|
<p>test</p>
|
|
`,
|
|
},
|
|
|
|
{
|
|
// data-source-position should take into account YAML frontmatter.
|
|
"ListAfterFrontmatter",
|
|
`---
|
|
foo: bar
|
|
---
|
|
- [ ] task 1`,
|
|
`<details class="frontmatter-content"><summary><span>octicon-table(12/)</span> foo</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.NewTestRenderContext(), test.input)
|
|
assert.NoError(t, err, "Unexpected error in testcase: %q", test.name)
|
|
assert.Equal(t, test.expected, string(res), "Unexpected result in testcase %q", test.name)
|
|
}
|
|
}
|
|
|
|
func TestRenderLinks(t *testing.T) {
|
|
input := ` space @mention-user${SPACE}${SPACE}
|
|
/just/a/path.bin
|
|
https://example.com/file.bin
|
|
[local link](file.bin)
|
|
[remote link](https://example.com)
|
|
[[local link|file.bin]]
|
|
[[remote link|https://example.com]]
|
|
|
|
|
|
|
|
|
|
[[local image|image.jpg]]
|
|
[[remote link|https://example.com/image.jpg]]
|
|
https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash
|
|
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare
|
|
https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb
|
|
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit
|
|
:+1:
|
|
mail@domain.com
|
|
@mention-user test
|
|
#123
|
|
space${SPACE}${SPACE}
|
|
`
|
|
input = strings.ReplaceAll(input, "${SPACE}", " ") // replace ${SPACE} with " ", to avoid some editor's auto-trimming
|
|
expected := `<p>space @mention-user<br/>
|
|
/just/a/path.bin
|
|
<a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a>
|
|
<a href="/file.bin" rel="nofollow">local link</a>
|
|
<a href="https://example.com" rel="nofollow">remote link</a>
|
|
<a href="/file.bin" rel="nofollow">local link</a>
|
|
<a href="https://example.com" rel="nofollow">remote link</a>
|
|
<a href="/image.jpg" target="_blank" rel="nofollow noopener"><img src="/image.jpg" alt="local image"/></a>
|
|
<a href="/path/file" target="_blank" rel="nofollow noopener"><img src="/path/file" alt="local image"/></a>
|
|
<a href="/path/file" target="_blank" rel="nofollow noopener"><img src="/path/file" alt="local image"/></a>
|
|
<a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a>
|
|
<a href="/image.jpg" rel="nofollow"><img src="/image.jpg" title="local image" alt="local image"/></a>
|
|
<a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a>
|
|
<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a>
|
|
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare
|
|
<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a>
|
|
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit
|
|
<span class="emoji" aria-label="thumbs up">👍</span>
|
|
<a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a>
|
|
@mention-user test
|
|
#123
|
|
space</p>
|
|
`
|
|
defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableAdditionalAttributes, true)()
|
|
result, err := markdown.RenderString(markup.NewTestRenderContext(localMetas), input)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, expected, string(result))
|
|
}
|
|
|
|
func TestMarkdownLink(t *testing.T) {
|
|
defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableAdditionalAttributes, true)()
|
|
input := `<a href=foo>link1</a>
|
|
<a href='/foo'>link2</a>
|
|
<a href="#foo">link3</a>`
|
|
result, err := markdown.RenderString(markup.NewTestRenderContext("/base", localMetas), input)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, `<p><a href="/base/foo" rel="nofollow">link1</a>
|
|
<a href="/base/foo" rel="nofollow">link2</a>
|
|
<a href="#user-content-foo" rel="nofollow">link3</a></p>
|
|
`, string(result))
|
|
}
|