2011-05-26 19:05:16 +00:00
|
|
|
require 'spec_helper'
|
2012-07-08 19:17:08 +00:00
|
|
|
require 'capybara/webkit/driver'
|
2011-05-26 19:05:16 +00:00
|
|
|
require 'mini_magick'
|
|
|
|
|
|
2012-07-08 19:17:08 +00:00
|
|
|
describe Capybara::Webkit::Driver, "rendering an image" do
|
2012-07-08 20:38:19 +00:00
|
|
|
include AppRunner
|
2011-05-26 19:05:16 +00:00
|
|
|
|
2012-07-08 20:38:19 +00:00
|
|
|
let(:driver) do
|
2012-07-08 23:09:40 +00:00
|
|
|
driver_for_html(<<-HTML)
|
|
|
|
|
<html>
|
|
|
|
|
<body>
|
|
|
|
|
<h1>Hello World</h1>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
|
|
|
|
HTML
|
2011-05-26 19:05:16 +00:00
|
|
|
end
|
|
|
|
|
|
2012-07-08 20:38:19 +00:00
|
|
|
before(:each) do
|
|
|
|
|
# Set up the tmp directory and file name
|
|
|
|
|
tmp_dir = File.join(PROJECT_ROOT, 'tmp')
|
|
|
|
|
FileUtils.mkdir_p tmp_dir
|
|
|
|
|
@file_name = File.join(tmp_dir, 'render-test.png')
|
|
|
|
|
driver.visit '/'
|
|
|
|
|
end
|
2011-05-26 19:05:16 +00:00
|
|
|
|
|
|
|
|
def render(options)
|
|
|
|
|
FileUtils.rm_f @file_name
|
2012-11-17 15:33:31 +00:00
|
|
|
driver.save_screenshot @file_name, options
|
2011-05-26 19:05:16 +00:00
|
|
|
|
|
|
|
|
@image = MiniMagick::Image.open @file_name
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
context "with default options" do
|
2012-07-08 20:38:19 +00:00
|
|
|
before { render({}) }
|
2011-05-26 19:05:16 +00:00
|
|
|
|
|
|
|
|
it "should be a PNG" do
|
|
|
|
|
@image[:format].should == "PNG"
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
it "width default to 1000px (with 15px less for the scrollbar)" do
|
2011-07-05 15:33:30 +00:00
|
|
|
@image[:width].should be < 1001
|
|
|
|
|
@image[:width].should be > 1000-17
|
2011-05-26 19:05:16 +00:00
|
|
|
end
|
|
|
|
|
|
|
|
|
|
it "height should be at least 10px" do
|
|
|
|
|
@image[:height].should >= 10
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
context "with dimensions set larger than necessary" do
|
2012-07-08 20:38:19 +00:00
|
|
|
before { render(:width => 500, :height => 400) }
|
2011-05-26 19:05:16 +00:00
|
|
|
|
|
|
|
|
it "width should match the width given" do
|
|
|
|
|
@image[:width].should == 500
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
it "height should match the height given" do
|
|
|
|
|
@image[:height].should > 10
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
context "with dimensions set smaller than the document's default" do
|
2012-07-08 20:38:19 +00:00
|
|
|
before { render(:width => 50, :height => 10) }
|
2011-05-26 19:05:16 +00:00
|
|
|
|
|
|
|
|
it "width should be greater than the width given" do
|
|
|
|
|
@image[:width].should > 50
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
it "height should be greater than the height given" do
|
|
|
|
|
@image[:height].should > 10
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
end
|
