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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
|
# frozen_string_literal: true
require "spec_helper"
module Roadie
describe Document do
sample_html = "<html><body><p>Hello world!</p></body></html>"
subject(:document) { described_class.new sample_html }
it "is initialized with HTML" do
doc = Document.new "<html></html>"
expect(doc.html).to eq("<html></html>")
end
it "has an accessor for URL options" do
document.url_options = {host: "foo.bar"}
expect(document.url_options).to eq({host: "foo.bar"})
end
it "has an accessor for serialization options" do
serialization_options = Nokogiri::XML::Node::SaveOptions::FORMAT |
Nokogiri::XML::Node::SaveOptions::NO_EMPTY_TAGS
document.serialization_options = serialization_options
expect(document.serialization_options).to eq(serialization_options)
document.serialization_options = nil
expect(document.serialization_options).to eq(0)
end
it "has a setting for keeping uninlinable styles" do
expect(document.keep_uninlinable_css).to be true
document.keep_uninlinable_css = false
expect(document.keep_uninlinable_css).to be false
end
it "has a ProviderList for normal and external providers" do
expect(document.asset_providers).to be_instance_of(ProviderList)
expect(document.external_asset_providers).to be_instance_of(ProviderList)
end
it "defaults to having just a FilesystemProvider in the normal provider list" do
expect(document).to have(1).asset_providers
expect(document).to have(0).external_asset_providers
provider = document.asset_providers.first
expect(provider).to be_instance_of(FilesystemProvider)
end
it "defaults to HTML mode" do
expect(document.mode).to eq(:html)
end
it "allows changes to the normal asset providers" do
other_provider = double "Other proider"
old_list = document.asset_providers
document.asset_providers = [other_provider]
expect(document.asset_providers).to be_instance_of(ProviderList)
expect(document.asset_providers.each.to_a).to eq([other_provider])
document.asset_providers = old_list
expect(document.asset_providers).to eq(old_list)
end
it "allows changes to the external asset providers" do
other_provider = double "Other proider"
old_list = document.external_asset_providers
document.external_asset_providers = [other_provider]
expect(document.external_asset_providers).to be_instance_of(ProviderList)
expect(document.external_asset_providers.each.to_a).to eq([other_provider])
document.external_asset_providers = old_list
expect(document.external_asset_providers).to eq(old_list)
end
it "allows changes to the mode setting" do
document.mode = :xhtml
expect(document.mode).to eq(:xhtml)
document.mode = :html
expect(document.mode).to eq(:html)
document.mode = :xml
expect(document.mode).to eq(:xml)
end
it "does not allow unknown modes" do
expect {
document.mode = :other
}.to raise_error(ArgumentError, /:other/)
end
it "can store callbacks for inlining" do
callable = double "Callable"
document.before_transformation = callable
document.after_transformation = callable
expect(document.before_transformation).to eq(callable)
expect(document.after_transformation).to eq(callable)
end
describe "transforming" do
it "runs the before and after callbacks" do
document = Document.new "<body></body>"
before = -> {}
after = -> {}
document.before_transformation = before
document.after_transformation = after
expect(before).to receive(:call).with(instance_of(Nokogiri::HTML::Document), document).ordered
expect(Inliner).to receive(:new).ordered.and_return double.as_null_object
expect(after).to receive(:call).with(instance_of(Nokogiri::HTML::Document), document).ordered
document.transform
end
context "in HTML mode" do
it "does not escape curly braces" do
document = Document.new "<body><a href='https://google.com/{{hello}}'>Hello</a></body>"
document.mode = :xhtml
expect(document.transform).to include("{{hello}}")
end
end
context "in XML mode" do
it "doesn't replace empty tags with self-closed ones" do
document = Document.new "<img src='https://google.com/image.png'></img>"
document.mode = :xml
expect(document.transform_partial).to end_with("</img>")
end
it "does not escape curly braces" do
document = Document.new "<a href='https://google.com/{{hello}}'>Hello</a>"
document.mode = :xml
expect(document.transform_partial).to include("{{hello}}")
end
end
end
describe "partial transforming" do
it "runs the before and after callbacks" do
document = Document.new "<p></p>"
before = -> {}
after = -> {}
document.before_transformation = before
document.after_transformation = after
expect(before).to receive(:call).with(
instance_of(Nokogiri::HTML::DocumentFragment),
document
).ordered
expect(Inliner).to receive(:new).ordered.and_return double.as_null_object
expect(after).to receive(:call).with(
instance_of(Nokogiri::HTML::DocumentFragment),
document
).ordered
document.transform_partial
end
context "in HTML mode" do
it "does not escape curly braces" do
document = Document.new "<a href='https://google.com/{{hello}}'>Hello</a>"
document.mode = :xhtml
expect(document.transform_partial).to include("{{hello}}")
end
end
context "in XML mode" do
it "doesn't replace empty tags with self-closed ones" do
document = Document.new "<img src='https://google.com/image.png'></img>"
document.mode = :xml
expect(document.transform_partial).to end_with("</img>")
end
it "does not escape curly braces" do
document = Document.new "<a href='https://google.com/{{hello}}'>Hello</a>"
document.mode = :xml
expect(document.transform_partial).to include("{{hello}}")
end
end
end
end
describe Document, "(integration)" do
it "can transform the document" do
document = Document.new <<-HTML
<html>
<head>
<title>Greetings</title>
</head>
<body>
<p>Hello, world!</p>
</body>
</html>
HTML
document.add_css "p { color: green; }"
result = Nokogiri::HTML.parse document.transform
expect(result).to have_selector("html > head > title")
expect(result.at_css("title").text).to eq("Greetings")
expect(result).to have_selector("html > body > p")
paragraph = result.at_css("p")
expect(paragraph.text).to eq("Hello, world!")
expect(paragraph.to_xml).to eq('<p style="color:green">Hello, world!</p>')
end
it "extracts styles from the HTML" do
document = Document.new <<-HTML
<html>
<head>
<title>Greetings</title>
<link rel="stylesheet" href="/sample.css" type="text/css">
</head>
<body>
<p>Hello, world!</p>
</body>
</html>
HTML
document.asset_providers = TestProvider.new({
"/sample.css" => "p { color: red; text-align: right; }"
})
document.add_css "p { color: green; text-size: 2em; }"
result = Nokogiri::HTML.parse document.transform
expect(result).to have_styling([
%w[color red],
%w[text-align right],
%w[color green],
%w[text-size 2em]
]).at_selector("p")
end
it "removes data-roadie-ignore markers" do
document = Document.new <<-HTML
<html>
<head>
<link rel="stylesheet" href="/cool.css" data-roadie-ignore id="first">
</head>
<body>
<style data-roadie-ignore id="second">a { color: red; }</style>
<a href="#" data-roadie-ignore>
Hello world!
<span data-roadie-ignore></span>
</a>
</body>
</html>
HTML
result = Nokogiri::HTML.parse document.transform
expect(result).to have_selector("body > a > span")
expect(result).not_to have_selector("[data-roadie-ignore]")
end
end
end
|
