/
page_spec.rb
248 lines (176 loc) · 7.02 KB
/
page_spec.rb
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# 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
it "should call the special page= callback while walking content stream from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
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 from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
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 from cairo-basic.pdf page 1" do
@browser = PDF::Reader.new(pdf_spec_file("cairo-basic"))
@page = @browser.page(1)
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
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
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