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
|
# coding: utf-8
require File.dirname(__FILE__) + "/spec_helper"
describe PDF::Reader::Page, "raw_content()" do
it "should return a string from raw_content() from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.raw_content.should be_a_kind_of(String)
end
end
describe PDF::Reader::Page, "text()" do
# only do a very basc test here. Detailed testing of text extraction is
# done by testing the PageTextReceiver class
it "should return the text content from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.text.should eql("Hello James")
end
end
describe PDF::Reader::Page, "walk()" do
context "with page 1 of cairo-basic.pdf" do
let!(:browser) { PDF::Reader.new(pdf_spec_file("cairo-basic")) }
let!(:page) { browser.page(1) }
it "should call the special page= callback while walking content stream" do
receiver = PDF::Reader::RegisterReceiver.new
page.walk(receiver)
callbacks = receiver.callbacks.map { |cb| cb[:name] }
callbacks.first.should eql(:page=)
end
it "should run callbacks while walking content stream" do
receiver = PDF::Reader::RegisterReceiver.new
page.walk(receiver)
callbacks = receiver.callbacks.map { |cb| cb[:name] }
callbacks.size.should eql(16)
callbacks[0].should eql(:page=)
callbacks[1].should eql(:save_graphics_state)
end
it "should run callbacks on multiple receivers while walking content stream" do
receiver_one = PDF::Reader::RegisterReceiver.new
receiver_two = PDF::Reader::RegisterReceiver.new
page.walk(receiver_one, receiver_two)
callbacks = receiver_one.callbacks.map { |cb| cb[:name] }
callbacks.size.should eql(16)
callbacks.first.should eql(:page=)
callbacks = receiver_two.callbacks.map { |cb| cb[:name] }
callbacks.size.should eql(16)
callbacks.first.should eql(:page=)
end
end
end
describe PDF::Reader::Page, "number()" do
it "should return the text content from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.number.should eql(1)
end
end
describe PDF::Reader::Page, "number()" do
it "should return the text content from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.number.should eql(1)
end
end
describe PDF::Reader::Page, "attributes()" do
it "should contain attributes from the Page object" do
@browser = PDF::Reader.new(pdf_spec_file("inherited_page_attributes"))
@page = @browser.page(1)
attribs = @page.attributes
attribs[:Resources].should be_a_kind_of(Hash)
attribs[:Resources].size.should eql(2)
end
it "should contain inherited attributes" do
@browser = PDF::Reader.new(pdf_spec_file("inherited_page_attributes"))
@page = @browser.page(1)
attribs = @page.attributes
attribs[:MediaBox].should eql([0.0, 0.0, 595.276, 841.89])
end
it "should allow Page to override inherited attributes" do
@browser = PDF::Reader.new(pdf_spec_file("override_inherited_attributes"))
@page = @browser.page(1)
attribs = @page.attributes
attribs[:MediaBox].should eql([0, 0, 200, 200])
end
it "should not include attributes from the Pages object that don't belong on a Page" do
@browser = PDF::Reader.new(pdf_spec_file("inherited_page_attributes"))
@page = @browser.page(1)
attribs = @page.attributes
attribs[:Kids].should be_nil
end
it "should not include attributes from the Pages object that don't belong on a Page" do
@browser = PDF::Reader.new(pdf_spec_file("inherited_trimbox"))
@page = @browser.page(1)
attribs = @page.attributes
attribs[:TrimBox].should be_nil
end
it "should always include Type => Page" do
@browser = PDF::Reader.new(pdf_spec_file("inherited_page_attributes"))
@page = @browser.page(1)
attribs = @page.attributes
attribs[:Type].should eql(:Page)
end
it 'should assume 8.5" x 11" if MediaBox is missing (matches Acrobat behaviour)' do
@browser = PDF::Reader.new(pdf_spec_file("mediabox_missing"))
@page = @browser.page(1)
attribs = @page.attributes
attribs[:MediaBox].should eql([0,0,612,792])
end
end
describe PDF::Reader::Page, "fonts()" do
it "should return a hash with the correct size from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.fonts.should be_a_kind_of(Hash)
@page.fonts.size.should eql(1)
@page.fonts.keys.should eql([:"CairoFont-0-0"])
end
it "should contain inherited resources" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.fonts.should be_a_kind_of(Hash)
@page.fonts.size.should eql(1)
@page.fonts.keys.should eql([:"CairoFont-0-0"])
end
end
describe PDF::Reader::Page, "color_spaces()" do
it "should return an empty hash from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.color_spaces.should be_a_kind_of(Hash)
@page.color_spaces.size.should eql(0)
end
end
describe PDF::Reader::Page, "graphic_states()" do
it "should return an hash with 1 entry from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.graphic_states.should be_a_kind_of(Hash)
@page.graphic_states.size.should eql(1)
end
end
describe PDF::Reader::Page, "patterns()" do
it "should return an empty hash from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.patterns.should be_a_kind_of(Hash)
@page.patterns.size.should eql(0)
end
end
describe PDF::Reader::Page, "procedure_sets()" do
it "should return an empty array from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.procedure_sets.should be_a_kind_of(Array)
@page.procedure_sets.size.should eql(0)
end
end
describe PDF::Reader::Page, "properties()" do
it "should return an empty hash from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.properties.should be_a_kind_of(Hash)
@page.properties.size.should eql(0)
end
end
describe PDF::Reader::Page, "shadings()" do
it "should return an empty hash from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.shadings.should be_a_kind_of(Hash)
@page.shadings.size.should eql(0)
end
end
describe PDF::Reader::Page, "xobjects()" do
it "should return an empty hash from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
@page.xobjects.should be_a_kind_of(Hash)
@page.xobjects.size.should eql(0)
end
end
|
