capybara-webkit depends on a WebKit implementation from Qt, a cross-platform development toolkit. You'll need to download the Qt libraries to build and install the gem. You can find instructions for downloading and installing QT on the capybara-webkit wiki
Currently 32bit Windows will compile Capybara-webkit. Support for Windows is provided by the open source community and Windows related issues should be posted to the mailing list
Without access to your application code we can't easily debug most crashes or generic failures, so we've included a debug version of the driver that prints a log of what happened during each test. Before filing a crash bug, please see Reporting Crashes. You're much more likely to get a fix if you follow those instructions.
If you are having compiling issues please check out the capybara-webkit wiki. If you don't have any luck there, please post to the mailing list. Please don't open a Github issue for a system-specific compiler issue.
If you're like us, you'll be using capybara-webkit on CI.
On Linux platforms, capybara-webkit requires an X server to run, although it doesn't create any visible windows. Xvfb works fine for this. You can setup Xvfb yourself and set a DISPLAY variable, or try out the headless gem.
Add the capybara-webkit gem to your Gemfile:
In RSpec, use the :js => true flag.
Take note of the transactional fixtures section of the capybara README.
See the CONTRIBUTING document.
Code for rendering the current webpage to a PNG is borrowed from Phantom.js' implementation.
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capybara-webkit is Copyright (c) 2011 thoughtbot, inc. It is free software, and may be redistributed under the terms specified in the LICENSE file.