Selenium webdriver fixture for py.test
Project description
This fixture provides a configured webdriver for Selenium browser tests, that takes screenshots for you on test failures.
Installation
Install using your favourite package installer:
pip install pytest-webdriver
# or
easy_install pytest-webdriver
Enable the fixture explicitly in your tests or conftest.py (not required when using setuptools entry points):
pytest_plugins = ['pytest_webdriver']
Quickstart
This fixture connects to a remote selenium webdriver and returns the browser handle. It is scoped on a per-function level so you get one browser window per test.
To use this fixture, follow the following steps.
Nominate a browser host, and start up the webdriver executable on that host.
Download the latest zip file from here: https://sites.google.com/a/chromium.org/chromedriver/downloads
Unpack onto the target host, and run the unpacked chromedriver binary executable.
Set the environment variable SELENIUM_HOST to the IP address or hostname of the browser host. This defaults to the local hostname.
Set the environment variable SELENIUM_PORT to the port number of the webdriver server. The default port number is 4444.
Set the environment variable SELENIUM_BROWSER to the browser type. Defaults to chrome.
Use the fixture as a test argument:
def test_mywebpage(webdriver):
webdriver.get('http://www.google.com')
SELENIUM_URI setting
You can also specify the selenium server address using a URI format using the SELENIUM_URL environment variable:
.. code:: bash
$ export SELENIUM_URI=http://localhost:4444/wd/hub
This is needed when dealing with selenium server and not chrome driver (see https://groups.google.com/forum/?fromgroups#!topic/selenium-users/xodZDJxt81o). If SELENIUM_URI is not defined SELENIUM_HOST & SELENIUM_PORT will be used.
Automatic screenshots
When one of your browser tests fail, this plugin will take a screenshot for you and save it in the current working directory. The name will match the logical path to the test function that failed, like:
test_login_page__LoginPageTest__test_unicode.png
pytest-webdriver and PageObjects
If there is a pyramid_server fixture from the also running in the current test, it will detect this and set the root_uri attribute on the webdriver instance:
def test_my_pyramid_app(webdriver, pyramid_server):
assert webdriver.root_uri == pyramid_server.uri
Why is this needed, you may ask? It can be used by the PageObjects library to automatically set the base URL to your web app. This saves on a lot of string concatenation. For example:
from page_objects import PageObject, PageElement
class LoginPage(PageObject):
username = PageElement(id_='username')
password = PageElement(name='password')
login = PageElement(css='input[type="submit"]')
def test_login_page(webdriver, pyramid_server):
page = LoginPage(webdriver)
page.login.click()
page.get('/foo/bar')
assert webdriver.getCurrentUrl() == pyramid_server.uri + '/foo/bar'
Changelog
1.0.1 (2015-12-23)
Packaging bugfix
1.0.0 (2015-12-21)
Initial public release
Project details
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