discourse/spec/lib/excerpt_parser_spec.rb

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# frozen_string_literal: true
require "excerpt_parser"
RSpec.describe ExcerptParser do
it "handles nested <details> blocks" do
html = <<~HTML.strip
<details>
<summary>
FOO</summary>
<details>
<summary>
BAR</summary>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce ultrices, ex bibendum vestibulum vestibulum, mi velit pulvinar risus, sed consequat eros libero in eros. Fusce luctus mattis mauris, vitae semper lorem sodales quis. Donec pellentesque lacus ac ante aliquam, tincidunt iaculis risus interdum. In ullamcorper cursus massa ut lacinia. Donec quis diam finibus, rutrum odio eu, maximus leo. Nulla facilisi. Nullam suscipit quam et bibendum sagittis. Praesent sollicitudin neque at luctus ornare. Maecenas tristique dapibus risus, ac dictum ipsum gravida aliquam. Phasellus vehicula eu arcu sed imperdiet. Vestibulum ornare eros a nisi faucibus vehicula. Quisque congue placerat nulla, nec finibus nulla ultrices vitae. Quisque ac mi sem. Curabitur eu porttitor justo. Etiam dignissim in orci iaculis congue. Donec tempus cursus orci, a placerat elit varius nec.</p>
</details>
</details>
HTML
expect(ExcerptParser.get_excerpt(html, 50, {})).to match_html <<~HTML
<details><summary>FOO</summary>BAR
Lorem ipsum dolor sit amet, consectetur adi&hellip;</details>
HTML
expect(ExcerptParser.get_excerpt(html, 6, {})).to match_html('<details><summary>FOO</summary>BAR&hellip;</details>')
expect(ExcerptParser.get_excerpt(html, 3, {})).to match_html('<details class="disabled"><summary>FOO</summary></details>')
end
it "respects length parameter for <details> block" do
html = '<details><summary>foo</summary><p>bar</p></details>'
expect(ExcerptParser.get_excerpt(html, 100, {})).to match_html('<details><summary>foo</summary>bar</details>')
expect(ExcerptParser.get_excerpt(html, 5, {})).to match_html('<details><summary>foo</summary>ba&hellip;</details>')
expect(ExcerptParser.get_excerpt(html, 3, {})).to match_html('<details class="disabled"><summary>foo</summary></details>')
expect(ExcerptParser.get_excerpt(html, 2, {})).to match_html('<details class="disabled"><summary>fo&hellip;</summary></details>')
end
it "allows <svg> with <use> inside for icons when keep_svg is true" do
html = '<svg class="fa d-icon d-icon-folder svg-icon svg-node"><use href="#folder"></use></svg>'
expect(ExcerptParser.get_excerpt(html, 100, { keep_svg: true })).to match_html('<svg class="fa d-icon d-icon-folder svg-icon svg-node"><use href="#folder"></use></svg>')
expect(ExcerptParser.get_excerpt(html, 100, {})).to match_html('')
html = '<svg class="blah"><use href="#folder"></use></svg>'
expect(ExcerptParser.get_excerpt(html, 100, { keep_svg: true })).to match_html('')
html = '<svg><use href="#folder"></use></svg>'
expect(ExcerptParser.get_excerpt(html, 100, { keep_svg: true })).to match_html('')
html = '<use href="#user"></use><svg class="fa d-icon d-icon-folder svg-icon svg-node"><use href="#folder"></use></svg>'
expect(ExcerptParser.get_excerpt(html, 100, { keep_svg: true })).to match_html('<svg class="fa d-icon d-icon-folder svg-icon svg-node"><use href="#folder"></use></svg>')
end
describe "keep_onebox_body parameter" do
it "keeps the body content for external oneboxes" do
html = <<~HTML.strip
<aside class="onebox">
<header class="source">
<img src="https://github.githubassets.com/favicon.ico" class="site-icon" width="32" height="32">
<a href="https://github.com/discourse/discourse" target="_blank">GitHub</a>
</header>
<article class="onebox-body">
<img src="/uploads/default/original/1X/10c0f1565ee5b6ca3fe43f3183529bc0afd26003.jpeg" class="thumbnail">
<h3>
<a href="https://github.com/discourse/discourse" target="_blank">discourse/discourse</a>
</h3>
<p>A platform for community discussion. Free, open, simple. - discourse/discourse</p>
</article>
</aside>
HTML
expect(ExcerptParser.get_excerpt(html, 100, keep_onebox_body: true)).to eq(<<~HTML.strip)
[image]
<a href="https://github.com/discourse/discourse" target="_blank">discourse/discourse</a>
A platform for community discussion. Free, o&hellip;
HTML
end
it "keeps the content for internal oneboxes" do
html = <<~HTML.strip
<aside class="quote" data-post="1" data-topic="8">
<div class="title">
<div class="quote-controls"></div>
<img width="20" height="20" src="/user_avatar/localhost/system/40/2_2.png" class="avatar">
<a href="/t/welcome-to-discourse/8/1">Welcome to Discourse</a>
</div>
<blockquote>The first paragraph of this pinned topic will be visible as a welcome message to all new visitors on your homepage.</blockquote>
</aside>
HTML
expect(ExcerptParser.get_excerpt(html, 100, keep_onebox_body: true)).to eq(<<~HTML.strip)
[image]
<a href="/t/welcome-to-discourse/8/1">Welcome to Discourse</a>
The first paragraph of this pinned topic will be &hellip;
HTML
end
end
describe "keep_quotes parameter" do
it "should keep the quoted content in html" do
html = <<~HTML.strip
<aside class="quote">
<blockquote>
This is a quoted text.
</blockquote>
</aside>
HTML
expect(ExcerptParser.get_excerpt(html, 100, keep_quotes: true)).to eq("This is a quoted text.")
end
end
end