OpenTween.Tests/TweetExtractorTest.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2015 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   3 // All rights reserved.
   4 //
   5 // This file is part of OpenTween.
   6 //
   7 // This program is free software; you can redistribute it and/or modify it
   8 // under the terms of the GNU General Public License as published by the Free
   9 // Software Foundation; either version 3 of the License, or (at your option)
  10 // any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15 // for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  20 // Boston, MA 02110-1301, USA.
  21
  22 using System;
  23 using System.Collections.Generic;
  24 using System.Linq;
  25 using System.Text;
  26 using System.Threading.Tasks;
  27 using OpenTween.Api;
  28 using Xunit;
  29
  30 namespace OpenTween
  31 {
  32     public class TweetExtractorTest
  33     {
  34         [Fact]
  35         public void ExtractUrls_Test()
  36         {
  37             Assert.Equal(new[] { "http://example.com/" }, TweetExtractor.ExtractUrls("http://example.com/"));
  38             Assert.Equal(new[] { "http://example.com/hogehoge" }, TweetExtractor.ExtractUrls("http://example.com/hogehoge"));
  39             Assert.Equal(new[] { "http://example.com/" }, TweetExtractor.ExtractUrls("hogehoge http://example.com/"));
  40
  41             Assert.Equal(new[] { "https://example.com/" }, TweetExtractor.ExtractUrls("https://example.com/"));
  42             Assert.Equal(new[] { "https://example.com/hogehoge" }, TweetExtractor.ExtractUrls("https://example.com/hogehoge"));
  43             Assert.Equal(new[] { "https://example.com/" }, TweetExtractor.ExtractUrls("hogehoge https://example.com/"));
  44
  45             Assert.Equal(new[] { "example.com" }, TweetExtractor.ExtractUrls("example.com"));
  46             Assert.Equal(new[] { "example.com/hogehoge" }, TweetExtractor.ExtractUrls("example.com/hogehoge"));
  47             Assert.Equal(new[] { "example.com" }, TweetExtractor.ExtractUrls("hogehoge example.com"));
  48
  49             // スキーム (http://) を省略かつ末尾が ccTLD の場合は t.co に短縮されない
  50             Assert.Empty(TweetExtractor.ExtractUrls("example.jp"));
  51             // ただし、末尾にパスが続く場合は t.co に短縮される
  52             Assert.Equal(new[] { "example.jp/hogehoge" }, TweetExtractor.ExtractUrls("example.jp/hogehoge"));
  53         }
  54
  55         [Fact]
  56         public void ExtractUrlEntities_Test()
  57         {
  58             var entity = TweetExtractor.ExtractUrlEntities("hogehoge http://example.com/").Single();
  59
  60             Assert.Equal(new[] { 9, 28 }, entity.Indices);
  61             Assert.Equal("http://example.com/", entity.Url);
  62             Assert.Equal("http://example.com/", entity.ExpandedUrl);
  63             Assert.Equal("http://example.com/", entity.DisplayUrl);
  64         }
  65
  66         [Fact]
  67         public void ExtractUrlEntities_SurrogatePairTest()
  68         {
  69             var entity = TweetExtractor.ExtractUrlEntities("✨ http://example.com/ ✨").Single();
  70
  71             Assert.Equal(new[] { 2, 21 }, entity.Indices);
  72             Assert.Equal("http://example.com/", entity.Url);
  73             Assert.Equal("http://example.com/", entity.ExpandedUrl);
  74             Assert.Equal("http://example.com/", entity.DisplayUrl);
  75         }
  76
  77         [Fact]
  78         public void ExtractUrlEntities_CompositeCharacterTest()
  79         {
  80             // 合成文字 é ( \u00e9 ) を含むツイート (1文字としてカウントする)
  81             // 参照: https://dev.twitter.com/issues/251
  82             var entity = TweetExtractor.ExtractUrlEntities("Caf\u00e9 http://example.com/").Single();
  83
  84             Assert.Equal(new[] { 5, 24 }, entity.Indices);
  85             Assert.Equal("http://example.com/", entity.Url);
  86             Assert.Equal("http://example.com/", entity.ExpandedUrl);
  87             Assert.Equal("http://example.com/", entity.DisplayUrl);
  88         }
  89
  90         [Fact]
  91         public void ExtractUrlEntities_CombiningCharacterSequenceTest()
  92         {
  93             // 結合文字列 é ( e + \u0301 ) を含むツイート (2文字としてカウントする)
  94             // 参照: https://dev.twitter.com/issues/251
  95             var entity = TweetExtractor.ExtractUrlEntities("Cafe\u0301 http://example.com/").Single();
  96
  97             Assert.Equal(new[] { 6, 25 }, entity.Indices);
  98             Assert.Equal("http://example.com/", entity.Url);
  99             Assert.Equal("http://example.com/", entity.ExpandedUrl);
 100             Assert.Equal("http://example.com/", entity.DisplayUrl);
 101         }
 102
 103         [Fact]
 104         public void ExtractMentionEntities_Test()
 105         {
 106             var entity = TweetExtractor.ExtractMentionEntities("hogehoge @twitterapi").Single();
 107
 108             // Indices は「@twitterapi」の範囲を指すが、ScreenName には「@」を含めない
 109             Assert.Equal(new[] { 9, 20 }, entity.Indices);
 110             Assert.Equal("twitterapi", entity.ScreenName);
 111         }
 112
 113         [Fact]
 114         public void ExtractMentionEntities_ListTest()
 115         {
 116             var entity = TweetExtractor.ExtractMentionEntities("hogehoge @twitter/developers").Single();
 117
 118             // Indices は「@twitter/developers」の範囲を指すが、ScreenName には「@」を含めない
 119             Assert.Equal(new[] { 9, 28 }, entity.Indices);
 120             Assert.Equal("twitter/developers", entity.ScreenName);
 121         }
 122
 123         [Fact]
 124         public void ExtractHashtagEntities_Test()
 125         {
 126             var entity = TweetExtractor.ExtractHashtagEntities("hogehoge #test").Single();
 127
 128             // Indices は「#test」の範囲を指すが、Text には「#」を含めない
 129             Assert.Equal(new[] { 9, 14 }, entity.Indices);
 130             Assert.Equal("test", entity.Text);
 131         }
 132     }
 133 }