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require 'spec_helper'
describe PDFKit do
context "initialization" do
it "should accept HTML as the source" do
pdfkit = PDFKit.new('<h1>Oh Hai</h1>')
pdfkit.source.should be_html
pdfkit.source.to_s.should == '<h1>Oh Hai</h1>'
end
it "should accept a URL as the source" do
pdfkit = PDFKit.new('http://google.com')
pdfkit.source.should be_url
pdfkit.source.to_s.should == 'http://google.com'
end
it "should accept a File as the source" do
file_path = File.join(SPEC_ROOT,'fixtures','example.html')
pdfkit = PDFKit.new(File.new(file_path))
pdfkit.source.should be_file
pdfkit.source.to_s.should == file_path
end
it "should parse the options into a cmd line friedly format" do
pdfkit = PDFKit.new('html', :page_size => 'Letter')
pdfkit.options.should have_key('--page-size')
end
it "should provide default options" do
pdfkit = PDFKit.new('<h1>Oh Hai</h1>')
['--disable-smart-shrinking', '--margin-top', '--margin-right', '--margin-bottom', '--margin-left'].each do |option|
pdfkit.options.should have_key(option)
end
end
it "should not have any stylesheedt by default" do
pdfkit = PDFKit.new('<h1>Oh Hai</h1>')
pdfkit.stylesheets.should be_empty
end
end
context "command" do
it "should contstruct the correct command" do
pdfkit = PDFKit.new('html', :page_size => 'Letter', :toc_l1_font_size => 12)
pdfkit.command[0].should include('wkhtmltopdf')
pdfkit.command[pdfkit.command.index('--page-size') + 1].should == 'Letter'
pdfkit.command[pdfkit.command.index('--toc-l1-font-size') + 1].should == '12'
end
it "will not include default options it is told to omit" do
pdfkit = PDFKit.new('html')
pdfkit.command.should include('--disable-smart-shrinking')
pdfkit = PDFKit.new('html', :disable_smart_shrinking => false)
pdfkit.command.should_not include('--disable-smart-shrinking')
end
it "should encapsulate string arguments in quotes" do
pdfkit = PDFKit.new('html', :header_center => "foo [page]")
pdfkit.command[pdfkit.command.index('--header-center') + 1].should == 'foo [page]'
end
it "read the source from stdin if it is html" do
pdfkit = PDFKit.new('html')
pdfkit.command[-2..-1].should == ['-', '-']
end
it "specify the URL to the source if it is a url" do
pdfkit = PDFKit.new('http://google.com')
pdfkit.command[-2..-1].should == ['http://google.com', '-']
end
it "should specify the path to the source if it is a file" do
file_path = File.join(SPEC_ROOT,'fixtures','example.html')
pdfkit = PDFKit.new(File.new(file_path))
pdfkit.command[-2..-1].should == [file_path, '-']
end
it "should detect special pdfkit meta tags" do
body = %{
<html>
<head>
<meta name="pdfkit-page_size" content="Legal"/>
<meta name="pdfkit-orientation" content="Landscape"/>
</head>
</html>
}
pdfkit = PDFKit.new(body)
pdfkit.command[pdfkit.command.index('--page-size') + 1].should == 'Legal'
pdfkit.command[pdfkit.command.index('--orientation') + 1].should == 'Landscape'
end
end
context "#to_pdf" do
it "should generate a PDF of the HTML" do
pdfkit = PDFKit.new('html', :page_size => 'Letter')
pdf = pdfkit.to_pdf
pdf[0...4].should == "%PDF" # PDF Signature at beginning of file
end
it "should generate a PDF with a numerical parameter" do
pdfkit = PDFKit.new('html', :header_spacing => 1)
pdf = pdfkit.to_pdf
pdf[0...4].should == "%PDF" # PDF Signature at beginning of file
end
it "should generate a PDF with a symbol parameter" do
pdfkit = PDFKit.new('html', :page_size => :Letter)
pdf = pdfkit.to_pdf
pdf[0...4].should == "%PDF" # PDF Signature at beginning of file
end
it "should have the stylesheet added to the head if it has one" do
pdfkit = PDFKit.new("<html><head></head><body>Hai!</body></html>")
css = File.join(SPEC_ROOT,'fixtures','example.css')
pdfkit.stylesheets << css
pdfkit.to_pdf
pdfkit.source.to_s.should include("<style>#{File.read(css)}</style>")
end
it "should prepend style tags if the HTML doesn't have a head tag" do
pdfkit = PDFKit.new("<html><body>Hai!</body></html>")
css = File.join(SPEC_ROOT,'fixtures','example.css')
pdfkit.stylesheets << css
pdfkit.to_pdf
pdfkit.source.to_s.should include("<style>#{File.read(css)}</style><html>")
end
it "should throw an error if the source is not html and stylesheets have been added" do
pdfkit = PDFKit.new('http://google.com')
css = File.join(SPEC_ROOT,'fixtures','example.css')
pdfkit.stylesheets << css
lambda { pdfkit.to_pdf }.should raise_error(PDFKit::ImproperSourceError)
end
end
context "#to_file" do
before do
@file_path = File.join(SPEC_ROOT,'fixtures','test.pdf')
File.delete(@file_path) if File.exist?(@file_path)
end
after do
File.delete(@file_path)
end
it "should create a file with the PDF as content" do
pdfkit = PDFKit.new('html', :page_size => 'Letter')
pdfkit.expects(:to_pdf).returns('PDF')
file = pdfkit.to_file(@file_path)
file.should be_instance_of(File)
File.read(file.path).should == 'PDF'
end
end
context "security" do
before do
@test_path = File.join(SPEC_ROOT,'fixtures','security-oops')
File.delete(@test_path) if File.exist?(@test_path)
end
after do
File.delete(@test_path) if File.exist?(@test_path)
end
it "should not allow shell injection in options" do
pdfkit = PDFKit.new('html', :header_center => "a title\"; touch #{@test_path} #")
pdfkit.to_pdf
File.exist?(@test_path).should be_false
end
end
end