bootstrap.sh

curl -O https://raw.github.com/pypa/pip/master/contrib/get-pip.py

echo -e "Installing pip..."
sudo python get-pip.py
rm get-pip.py
echo -e "Done."

echo -e "Installing Python packages..."
sudo pip install pytest
sudo pip install selenium
sudo pip install ipython
sudo pip install tornado
sudo pip install pyzmq
echo -e "Done."

if [ -z $(which brew) ]
then
	echo -e "Installing Homebrew..."
	ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
	echo -e "Done."
fi

echo -e "Installing Homebrew packages..."
brew install phantomjs
brew install chromedriver
echo -e "Done."

conftest.py

import pytest
from selenium import webdriver


BROWSER = {'chrome': webdriver.Chrome,
    	   'firefox': webdriver.Firefox,
           'headless': lambda: webdriver.PhantomJS(service_args=["--ignore-ssl-errors=yes"])
           }

def pytest_addoption(parser):
	parser.addoption('--url', action='store')
	parser.addoption('--browser', action='store', default='headless')		  
	parser.addoption('--username', action='store')
	parser.addoption('--password', action='store')

@pytest.fixture(scope="session")
def url(request):
	return request.config.getoption('url')

@pytest.fixture(scope="session")
def username(request):
	return request.config.getoption('username')

@pytest.fixture(scope="session")
def password(request):
	return request.config.getoption('password')	

@pytest.fixture(scope="session")
def browser(request):
	browser = request.config.getoption('browser')
	driver = BROWSER[browser]()
	request.addfinalizer(lambda: driver.quit())
	return driver