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a89ea78a7a
osu-lazer/osu.Game.Tests/Chat/MessageFormatterTests.cs
Bartłomiej Dach a89ea78a7a Add extended testing for Markdown links 
While reviewing #6542 it became apparent that there was another Markdown
link format variant, used in comments that came from the web API, called
the "inline link" style. It allows to specify the tooltip title within
the actual URL portion, as such:

    [link text](https://osu.ppy.sh "tooltip text")

Add tests with a couple of easy and trickier examples of such a format.
Moreover, add a new edge case of a Markdown link with a link inside
the display text, which during tests was detected to be problematic.
2019-10-24 15:52:55 +02:00

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using NUnit.Framework;
using osu.Game.Online.Chat;
namespace osu.Game.Tests.Chat
{
[TestFixture]
public class MessageFormatterTests
{
[Test]
public void TestBareLink()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a http://www.basic-link.com/?test=test." });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("http://www.basic-link.com/?test=test", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(36, result.Links[0].Length);
}
[Test]
public void TestMultipleComplexLinks()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a http://test.io/link#fragment. (see https://twitter.com). Also, This string should not be altered. http://example.com/" });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(3, result.Links.Count);
Assert.AreEqual("http://test.io/link#fragment", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(28, result.Links[0].Length);
Assert.AreEqual("https://twitter.com", result.Links[1].Url);
Assert.AreEqual(45, result.Links[1].Index);
Assert.AreEqual(19, result.Links[1].Length);
Assert.AreEqual("http://example.com/", result.Links[2].Url);
Assert.AreEqual(108, result.Links[2].Index);
Assert.AreEqual(19, result.Links[2].Length);
}
[Test]
public void TestAjaxLinks()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "https://twitter.com/#!/hashbanglinks" });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(result.Content, result.Links[0].Url);
Assert.AreEqual(0, result.Links[0].Index);
Assert.AreEqual(36, result.Links[0].Length);
}
[Test]
public void TestUnixHomeLinks()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "http://www.chiark.greenend.org.uk/~sgtatham/putty/" });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(result.Content, result.Links[0].Url);
Assert.AreEqual(0, result.Links[0].Index);
Assert.AreEqual(50, result.Links[0].Length);
}
[Test]
public void TestInsensitiveLinks()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "look: http://puu.sh/7Ggh8xcC6/asf0asd9876.NEF" });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(6, result.Links[0].Index);
Assert.AreEqual(39, result.Links[0].Length);
}
[Test]
public void TestWikiLink()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [[Wiki Link]]." });
Assert.AreEqual("This is a Wiki Link.", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh/wiki/Wiki Link", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(9, result.Links[0].Length);
}
[Test]
public void TestMultiWikiLink()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [[Wiki Link]] [[Wiki:Link]][[Wiki.Link]]." });
Assert.AreEqual("This is a Wiki Link Wiki:LinkWiki.Link.", result.DisplayContent);
Assert.AreEqual(3, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh/wiki/Wiki Link", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(9, result.Links[0].Length);
Assert.AreEqual("https://osu.ppy.sh/wiki/Wiki:Link", result.Links[1].Url);
Assert.AreEqual(20, result.Links[1].Index);
Assert.AreEqual(9, result.Links[1].Length);
Assert.AreEqual("https://osu.ppy.sh/wiki/Wiki.Link", result.Links[2].Url);
Assert.AreEqual(29, result.Links[2].Index);
Assert.AreEqual(9, result.Links[2].Length);
}
[Test]
public void TestOldFormatLink()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a (simple test)[https://osu.ppy.sh] of links." });
Assert.AreEqual("This is a simple test of links.", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(11, result.Links[0].Length);
}
[Test]
public void TestOldFormatLinkWithBalancedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a (tricky (one))[https://osu.ppy.sh]!" });
Assert.AreEqual("This is a tricky (one)!", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(12, result.Links[0].Length);
}
[Test]
public void TestOldFormatLinkWithEscapedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is (another loose bracket \\))[https://osu.ppy.sh]." });
Assert.AreEqual("This is another loose bracket ).", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(8, result.Links[0].Index);
Assert.AreEqual(23, result.Links[0].Length);
}
[Test]
public void TestOldFormatWithBackslashes()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This link (should end with a backslash \\)[https://osu.ppy.sh]." });
Assert.AreEqual("This link should end with a backslash \\.", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(29, result.Links[0].Length);
}
[Test]
public void TestOldFormatLinkWithEscapedAndBalancedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a (\\)super\\(\\( tricky (one))[https://osu.ppy.sh]!" });
Assert.AreEqual("This is a )super(( tricky (one)!", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(21, result.Links[0].Length);
}
[Test]
public void TestNewFormatLink()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [https://osu.ppy.sh simple test]." });
Assert.AreEqual("This is a simple test.", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(11, result.Links[0].Length);
}
[Test]
public void TestNewFormatLinkWithEscapedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [https://osu.ppy.sh nasty link with escaped brackets: \\] and \\[]" });
Assert.AreEqual("This is a nasty link with escaped brackets: ] and [", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(41, result.Links[0].Length);
}
[Test]
public void TestNewFormatLinkWithBackslashesInside()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [https://osu.ppy.sh link \\ with \\ backslashes \\]" });
Assert.AreEqual("This is a link \\ with \\ backslashes \\", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(27, result.Links[0].Length);
}
[Test]
public void TestNewFormatLinkWithEscapedAndBalancedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [https://osu.ppy.sh [link [with \\] too many brackets \\[ ]]]" });
Assert.AreEqual("This is a [link [with ] too many brackets [ ]]", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(36, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLink()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [simple test](https://osu.ppy.sh)." });
Assert.AreEqual("This is a simple test.", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(11, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLinkWithBalancedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [tricky [one]](https://osu.ppy.sh)!" });
Assert.AreEqual("This is a tricky [one]!", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(12, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLinkWithEscapedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is [another loose bracket \\]](https://osu.ppy.sh)." });
Assert.AreEqual("This is another loose bracket ].", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(8, result.Links[0].Index);
Assert.AreEqual(23, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatWithBackslashes()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This link [should end with a backslash \\](https://osu.ppy.sh)." });
Assert.AreEqual("This link should end with a backslash \\.", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(29, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLinkWithEscapedAndBalancedBrackets()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [\\]super\\[\\[ tricky [one]](https://osu.ppy.sh)!" });
Assert.AreEqual("This is a ]super[[ tricky [one]!", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(21, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLinkWithInlineTitle()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "I haven't seen [this link format](https://osu.ppy.sh \"osu!\") before..." });
Assert.AreEqual("I haven't seen this link format before...", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(15, result.Links[0].Index);
Assert.AreEqual(16, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLinkWithInlineTitleAndEscapedQuotes()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "I haven't seen [this link format](https://osu.ppy.sh \"inner quote \\\" just to confuse \") before..." });
Assert.AreEqual("I haven't seen this link format before...", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(15, result.Links[0].Index);
Assert.AreEqual(16, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLinkWithUrlInTextAndInlineTitle()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "I haven't seen [https://osu.ppy.sh](https://osu.ppy.sh \"https://osu.ppy.sh\") before..." });
Assert.AreEqual("I haven't seen https://osu.ppy.sh before...", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(15, result.Links[0].Index);
Assert.AreEqual(18, result.Links[0].Length);
}
[Test]
public void TestMarkdownFormatLinkWithMisleadingUrlInText()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "I haven't seen [https://google.com](https://osu.ppy.sh) before..." });
Assert.AreEqual("I haven't seen https://google.com before...", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(15, result.Links[0].Index);
Assert.AreEqual(18, result.Links[0].Length);
}
[Test]
public void TestChannelLink()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is an #english and #japanese." });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(2, result.Links.Count);
Assert.AreEqual("osu://chan/#english", result.Links[0].Url);
Assert.AreEqual("osu://chan/#japanese", result.Links[1].Url);
}
[Test]
public void TestOsuProtocol()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a custom protocol osu://chan/#english." });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("osu://chan/#english", result.Links[0].Url);
Assert.AreEqual(26, result.Links[0].Index);
Assert.AreEqual(19, result.Links[0].Length);
result = MessageFormatter.FormatMessage(new Message { Content = "This is a [custom protocol](osu://chan/#english)." });
Assert.AreEqual("This is a custom protocol.", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("osu://chan/#english", result.Links[0].Url);
Assert.AreEqual("#english", result.Links[0].Argument);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(15, result.Links[0].Length);
}
[Test]
public void TestOsuMpProtocol()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "Join my multiplayer game osump://12346." });
Assert.AreEqual(result.Content, result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("osump://12346", result.Links[0].Url);
Assert.AreEqual(25, result.Links[0].Index);
Assert.AreEqual(13, result.Links[0].Length);
}
[Test]
public void TestRecursiveBreaking()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [https://osu.ppy.sh [[simple test]]]." });
Assert.AreEqual("This is a [[simple test]].", result.DisplayContent);
Assert.AreEqual(1, result.Links.Count);
Assert.AreEqual("https://osu.ppy.sh", result.Links[0].Url);
Assert.AreEqual(10, result.Links[0].Index);
Assert.AreEqual(15, result.Links[0].Length);
}
[Test]
public void TestLinkComplex()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a [http://www.simple-test.com simple test] with some [traps] and [[wiki links]]. Don't forget to visit https://osu.ppy.sh (now!)[http://google.com]\uD83D\uDE12" });
Assert.AreEqual("This is a simple test with some [traps] and wiki links. Don't forget to visit https://osu.ppy.sh now!\0\0\0", result.DisplayContent);
Assert.AreEqual(5, result.Links.Count);
Link f = result.Links.Find(l => l.Url == "https://osu.ppy.sh/wiki/wiki links");
Assert.AreEqual(44, f.Index);
Assert.AreEqual(10, f.Length);
f = result.Links.Find(l => l.Url == "http://www.simple-test.com");
Assert.AreEqual(10, f.Index);
Assert.AreEqual(11, f.Length);
f = result.Links.Find(l => l.Url == "http://google.com");
Assert.AreEqual(97, f.Index);
Assert.AreEqual(4, f.Length);
f = result.Links.Find(l => l.Url == "https://osu.ppy.sh");
Assert.AreEqual(78, f.Index);
Assert.AreEqual(18, f.Length);
f = result.Links.Find(l => l.Url == "\uD83D\uDE12");
Assert.AreEqual(101, f.Index);
Assert.AreEqual(3, f.Length);
}
[Test]
public void TestEmoji()
{
Message result = MessageFormatter.FormatMessage(new Message { Content = "Hello world\uD83D\uDE12<--This is an emoji,There are more:\uD83D\uDE10\uD83D\uDE00,\uD83D\uDE20" });
Assert.AreEqual("Hello world\0\0\0<--This is an emoji,There are more:\0\0\0\0\0\0,\0\0\0", result.DisplayContent);
Assert.AreEqual(result.Links.Count, 4);
Assert.AreEqual(result.Links[0].Index, 11);
Assert.AreEqual(result.Links[1].Index, 49);
Assert.AreEqual(result.Links[2].Index, 52);
Assert.AreEqual(result.Links[3].Index, 56);
Assert.AreEqual(result.Links[0].Url, "\uD83D\uDE12");
Assert.AreEqual(result.Links[1].Url, "\uD83D\uDE10");
Assert.AreEqual(result.Links[2].Url, "\uD83D\uDE00");
Assert.AreEqual(result.Links[3].Url, "\uD83D\uDE20");
}
}
}
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