spec/lib/formatter_spec.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148

require 'rails_helper'

RSpec.describe Formatter do
  let(:account)       { Fabricate(:account, username: 'alice') }
  let(:local_text)    { 'Hello world http://google.com' }
  let(:local_status)  { Fabricate(:status, text: local_text, account: account) }
  let(:remote_status) { Fabricate(:status, text: '<script>alert("Hello")</script> Beep boop', uri: 'beepboop', account: account) }

  let(:local_text_with_mention) { "@#{account.username} @#{account.username}@example.com #{local_text}?x=@#{account.username} #hashtag" }
  let(:local_status_with_mention) { Fabricate(:status, text: local_text_with_mention,
                                              account: account, mentions: [Fabricate(:mention, account: account)]) }

  describe '#format' do
    subject { Formatter.instance.format(local_status) }

    it 'returns a string' do
      expect(subject).to be_a String
    end

    it 'contains plain text' do
      expect(subject).to match('Hello world')
    end

    it 'contains a link' do
      expect(subject).to match('<a href="http://google.com/" rel="nofollow noopener" target="_blank"><span class="invisible">http://</span><span class="">google.com/</span><span class="invisible"></span></a>')
    end

    it 'contains a mention' do
      result = Formatter.instance.format(local_status_with_mention)
      expect(result).to match "<a href=\"#{TagManager.instance.url_for(account)}\" class=\"u-url mention\">@<span>#{account.username}</span></a></span>"
      expect(result).to match %r{href=\"http://google.com/\?x=@#{account.username}}
      expect(result).not_to match "href=\"https://example.com/@#{account.username}"
    end

    it 'contains a hashtag' do
      result = Formatter.instance.format(local_status_with_mention)
      expect(result).to match("/tags/hashtag\" class=\"mention hashtag\">#<span>hashtag</span></a>")
    end

    context 'matches a stand-alone medium URL' do
      let(:local_text) { 'https://hackernoon.com/the-power-to-build-communities-a-response-to-mark-zuckerberg-3f2cac9148a4' }
      it 'has valid url' do
        expect(subject).to include('href="https://hackernoon.com/the-power-to-build-communities-a-response-to-mark-zuckerberg-3f2cac9148a4"')
      end
    end

    context 'matches a stand-alone google URL' do
      let(:local_text) { 'http://google.com' }
      it 'has valid url' do
        expect(subject).to include('href="http://google.com/"')
      end
    end

    context 'matches a stand-alone IDN URL' do
      let(:local_text) { 'https://nic.みんな/' }
      it 'has valid url' do
        expect(subject).to include('href="https://nic.xn--q9jyb4c/"')
      end

      it 'has display url' do
        expect(subject).to include('<span class="">nic.みんな/</span>')
      end
    end

    context 'matches a URL without trailing period' do
      let(:local_text) { 'http://www.mcmansionhell.com/post/156408871451/50-states-of-mcmansion-hell-scottsdale-arizona. ' }
      it 'has valid url' do
        expect(subject).to include('href="http://www.mcmansionhell.com/post/156408871451/50-states-of-mcmansion-hell-scottsdale-arizona"')
      end
    end

    xit 'matches a URL without closing paranthesis' do
      expect(subject.match('(http://google.com/)')[0]).to eq 'http://google.com'
    end

    context 'matches a URL without exclamation point' do
      let(:local_text) { 'http://www.google.com!' }
      it 'has valid url' do
        expect(subject).to include('href="http://www.google.com/"')
      end
    end

    context 'matches a URL without single quote' do
      let(:local_text) { "http://www.google.com'" }
      it 'has valid url' do
        expect(subject).to include('href="http://www.google.com/"')
      end
    end

    context 'matches a URL without angle brackets' do
      let(:local_text) { 'http://www.google.com>' }
      it 'has valid url' do
        expect(subject).to include('href="http://www.google.com/"')
      end
    end

    context 'matches a URL with a query string' do
      let(:local_text) { 'https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&q=autolink' }
      it 'has valid url' do
        expect(subject).to include('href="https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&amp;q=autolink"')
      end
    end

    context 'matches a URL with parenthesis in it' do
      let(:local_text) { 'https://en.wikipedia.org/wiki/Diaspora_(software)' }
      it 'has valid url' do
        expect(subject).to include('href="https://en.wikipedia.org/wiki/Diaspora_(software)"')
      end
    end

    context 'contains html (script tag)' do
        let(:local_text) { '<script>alert("Hello")</script>' }
        it 'has valid url' do
            expect(subject).to match '<p>&lt;script&gt;alert(&quot;Hello&quot;)&lt;/script&gt;</p>'
        end
    end

    context 'contains html (xss attack)' do
      let(:local_text) { %q{<img src="javascript:alert('XSS');">} }
      it 'has valid url' do
        expect(subject).to match '<p>&lt;img src=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</p>'
      end
    end

    context 'contains invalid URL' do
      let(:local_text) { 'http://www\.google\.com' }
      it 'has valid url' do
        expect(subject).to eq '<p>http://www\.google\.com</p>'
      end
    end
  end

  describe '#reformat' do
    subject { Formatter.instance.format(remote_status) }

    it 'returns a string' do
      expect(subject).to be_a String
    end

    it 'contains plain text' do
      expect(subject).to match('Beep boop')
    end

    it 'does not contain scripts' do
      expect(subject).to_not match('<script>alert("Hello")</script>')
    end
  end
end