2011-05-26 15:05:16 -04:00
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require 'spec_helper'
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require 'capybara/driver/webkit'
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require 'mini_magick'
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describe Capybara::Driver::Webkit, "rendering an image" do
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before(:all) do
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# Set up the tmp directory and file name
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tmp_dir = File.join(PROJECT_ROOT, 'tmp')
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FileUtils.mkdir_p tmp_dir
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@file_name = File.join(tmp_dir, 'render-test.png')
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app = lambda do |env|
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body = <<-HTML
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<html>
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<body>
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<h1>Hello World</h1>
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</body>
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</html>
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HTML
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[200,
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{ 'Content-Type' => 'text/html', 'Content-Length' => body.length.to_s },
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[body]]
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end
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@driver = Capybara::Driver::Webkit.new(app, :browser => $webkit_browser)
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@driver.visit("/hello/world?success=true")
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end
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after(:all) { @driver.reset! }
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def render(options)
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FileUtils.rm_f @file_name
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@driver.render @file_name, options
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@image = MiniMagick::Image.open @file_name
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end
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context "with default options" do
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before(:all){ render({}) }
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it "should be a PNG" do
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@image[:format].should == "PNG"
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end
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it "width default to 1000px (with 15px less for the scrollbar)" do
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2011-07-05 11:33:30 -04:00
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@image[:width].should be < 1001
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@image[:width].should be > 1000-17
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2011-05-26 15:05:16 -04:00
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end
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it "height should be at least 10px" do
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@image[:height].should >= 10
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end
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end
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context "with dimensions set larger than necessary" do
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before(:all){ render(:width => 500, :height => 400) }
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it "width should match the width given" do
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@image[:width].should == 500
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end
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it "height should match the height given" do
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@image[:height].should > 10
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end
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end
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context "with dimensions set smaller than the document's default" do
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before(:all){ render(:width => 50, :height => 10) }
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it "width should be greater than the width given" do
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@image[:width].should > 50
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end
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it "height should be greater than the height given" do
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@image[:height].should > 10
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end
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end
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end
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