43 lines
1.7 KiB
C#
43 lines
1.7 KiB
C#
 
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using PrivaPub.Domain.Content;
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using PrivaPub.Models.Post;
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namespace PrivaPub.Tests.Domain
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{
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public class LinkPreviewTests
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{
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[Fact]
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public void Reads_open_graph_then_twitter_then_the_page_title()
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{
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var preview = LinkPreviews.Read("https://news.example/a?utm_source=x", new Uri("https://news.example/a"), """
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<html><head><title>Fallback title</title>
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<meta property="og:title" content="Rain & sun">
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<meta name="twitter:description" content="A <b>long</b> story">
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<meta property="og:image" content="/img/cover.jpg">
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<meta property="og:site_name" content="News">
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</head><body></body></html>
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""");
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Assert.Equal("Rain & sun", preview.Title);
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Assert.Equal("A long story", preview.Description);
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Assert.Equal("https://news.example/img/cover.jpg", preview.ImageURL);
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Assert.Equal("News", preview.SiteName);
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Assert.False(preview.Failed);
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Assert.True(LinkPreviews.Read("https://x.example", new Uri("https://x.example"), "<html><body>nothing</body></html>").Failed);
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}
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[Fact]
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public void Picks_the_first_real_link_and_skips_mentions_tags_quotes_and_ourselves() =>
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Assert.Equal("https://blog.example/post", LinkPreviews.FirstLink(new Post
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{
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Url = "https://m.example/@a/1",
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ContentHtml = """
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<p><span class="h-card"><a href="https://m.example/@bob" class="u-url mention">@bob</a></span>
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<a href="https://m.example/tags/x" class="mention hashtag" rel="tag">#x</a>
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<span class="quote-inline">RE: <a href="https://k.example/notes/1">link</a></span>
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<a href="https://privapub.test/@me">me</a>
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<a href="https://m.example/@a/1">self</a>
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<a href="https://blog.example/post">read this</a></p>
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"""
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}, "https://privapub.test"));
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}
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}
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