faml/spec/compiler_newline_spec.rb at master · eagletmt/faml · GitHub

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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
# frozen_string_literal: true
require 'spec_helper'

class LineVerifier < StandardError
  def initialize
    super("raised at #{caller_locations(1, 1)[0].lineno}")
  end
end

module LineVerifierHelper
  extend RSpec::Matchers::DSL

  matcher :raised_at do |expected|
    match do |actual|
      actual == "raised at #{expected}"
    end
  end
end

RSpec.describe 'Faml::Compiler newline generation', type: :render do
  include LineVerifierHelper

  it do
    expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(3))
%div
  %span= 1
  %span>= raise LineVerifier
HAML
  end

  it do
    expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(2))
%img
%img{href: raise(LineVerifier)}>
%img
HAML
  end

  it do
    expect { render_string(<<'HAML') }.to raise_error(LineVerifier, raised_at(3))
%div
  %span hello
  %span #{raise LineVerifier}
  %span world
HAML
  end

  it do
    expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(2))

%div= raise LineVerifier
HAML
  end

  it 'keeps empty lines' do
    expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(4))
%div
  %span= 1

  %span= raise LineVerifier
HAML
  end

  it 'keeps leading empty lines' do
    expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(3))
%div

  %span= raise LineVerifier
HAML
  end

  it 'counts haml comments' do
    expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(3))
-# foo
   bar
%span= raise LineVerifier
HAML
  end

  context 'with conditional comment' do
    it do
      expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(3))
%div
  / [if IE]
    %span= raise LineVerifier
HAML
    end

    it do
      expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(4))
%div
  / [if IE]
    %span hello
  %span= raise LineVerifier
HAML
    end
  end

  context 'with filters' do
    it do
      expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(5))
:plain
  hello


= raise LineVerifier
HAML
    end

    context 'with interpolation' do
      it do
        expect { render_string(<<'HAML') }.to raise_error(LineVerifier, raised_at(5))
:plain
  #{'hello'}


= raise LineVerifier
HAML
      end
    end
  end

  context 'with tilt filters' do
    it 'keeps newlines in filter' do
      expect { render_string(<<'HAML') }.to raise_error(LineVerifier, raised_at(4))
:scss
  nav {
    ul {
      margin: #{raise LineVerifier}px;
    }
  }
HAML
    end

    it 'keeps newlines after filter' do
      expect { render_string(<<'HAML') }.to raise_error(LineVerifier, raised_at(8))
:scss
  nav {
    ul {
      margin: 0;
    }
  }

%span= raise LineVerifier
HAML
    end

    context 'with interpolation' do
      it 'keeps newlines after filter' do
        expect { render_string(<<'HAML') }.to raise_error(LineVerifier, raised_at(8))
:scss
  nav {
    ul {
      margin: #{0 + 5}px;
    }
  }

%span= raise LineVerifier
HAML
      end
    end

    context 'with multiline' do
      it 'keeps newlines in static attributes' do
        expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(3))
%span{a: 1,
  b: 2}
= raise LineVerifier
HAML
      end

      it 'keeps newlines in static HTML-style attributes' do
        expect(render_string(<<HAML)).to eq("<span a='1' b='2'></span>\n3\n")
%span(a=1
  b=2)
= __LINE__
HAML
      end

      it 'keeps newlines in dynamic attributes' do
        expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(2))
%span{a: 1,
  b: raise(LineVerifier)}
hello
HAML
        expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(3))
%span{a: 1,
  b: 2 + 3}
= raise LineVerifier
HAML
      end

      it 'keeps newlines in runtime attributes' do
        expect { render_string(<<HAML) }.to raise_error(LineVerifier, raised_at(2))
%span{[1,
  raise(LineVerifier)]}
hello
HAML
      end

      it 'keeps newlines in haml multiline' do
        expect(render_string(<<HAML)).to eq("foo bar 1\n4\n")
= 'foo ' + |
  'bar ' + |
  __LINE__.to_s |
= __LINE__
HAML
      end

      it 'keeps newlines in Ruby multiline' do
        expect(render_string(<<HAML)).to eq("1 2 3\n<span>4</span>\n")
= [__LINE__,
  __LINE__,
  __LINE__].join(' ')
%span= __LINE__
HAML
      end
    end
  end
end