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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.

  1. Nominate a browser host, and start up the webdriver executable on that host.
  2. Download the latest zip file from here: https://sites.google.com/a/chromium.org/chromedriver/downloads
  3. Unpack onto the target host, and run the unpacked chromedriver binary executable.
  4. Set the environment variable SELENIUM_HOST to the IP address or hostname of the browser host. This defaults to the local hostname.
  5. Set the environment variable SELENIUM_PORT to the port number of the webdriver server. The default port number is 4444.
  6. Set the environment variable SELENIUM_BROWSER to the browser type. Defaults to chrome.
  7. 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

1.3.0 (2017-11-17)

  • Fixed workspace deletion when teardown is None
  • Fixed squash of root logger in pytest-listener
  • Added S3 Minio fixture (many thanks to Gavin Bisesi)
  • Added Postgres fixture (many thanks to Gavin Bisesi)
  • Use requests for server fixtures http gets as it handles redirects and proxies properly

1.2.12 (2017-8-1)

  • Fixed regression on cacheing ephemeral hostname, some clients were relying on this. This is now optional.

1.2.11 (2017-7-21)

  • Fix for OSX binding to illegal local IP range (Thanks to Gavin Bisesi)
  • Setup and Py3k fixes for pytest-profiling (Thanks to xoviat)
  • We no longer try and bind port 5000 when reserving a local IP host, as someone could have bound it to 0.0.0.0
  • Fix for #46 sourcing gprof2dot when the local venv has not been activated

1.2.10 (2017-2-23)

  • Handle custom Pytest test items in pytest-webdriver

1.2.9 (2017-2-23)

  • Add username into mongo server fixture tempdir path to stop collisions on shared multiuser filesystems

1.2.8 (2017-2-21)

  • Return function results in shutil.run.run_as_main

1.2.7 (2017-2-20)

  • More handling for older versions of path.py
  • Allow virtualenv argument passing in pytest-virtualenv

1.2.6 (2017-2-16 )

  • Updated devpi server server setup for devpi-server >= 2.0
  • Improvements for random port picking
  • HTTPD server now binds to 0.0.0.0 by default to aid Selenium-style testing
  • Updated mongodb server args for mongodb >= 3.2
  • Corrections for mongodb fixture config and improve startup logic
  • Added module-scoped mongodb fixture
  • Handling for older versions of path.py
  • Fix for #40 where tests that chdir break pytest-profiling

1.2.5 (2016-12-09)

  • Improvements for server runner host and port generation, now supports random local IPs
  • Bugfix for RethinkDB fixture config

1.2.4 (2016-11-14)

  • Bugfix for pymongo extra dependency
  • Windows compatibility fix for pytest-virtualenv (Thanks to Jean-Christophe Fillion-Robin for PR)
  • Fix symlink handling for pytest-shutil.cmdline.get_real_python_executable

1.2.3 (2016-11-7)

  • Improve resiliency of Mongo fixture startup checks

1.2.2 (2016-10-27)

  • Python 3 compatibility across most of the modules
  • Fixed deprecated Path.py imports (Thanks to Bryan Moscon)
  • Fixed deprecated multicall in pytest-profiling (Thanks to Paul van der Linden for PR)
  • Added devpi-server fixture to create an index per test function
  • Added missing licence file
  • Split up httpd server fixture config so child classes can override loaded modules easier
  • Added ‘preserve_sys_path’ argument to TestServer base class which exports the current python sys.path to subprocesses.
  • Updated httpd, redis and jenkins runtime args and paths to current Ubuntu spec
  • Ignore errors when tearing down workspaces to avoid race conditions in ‘shutil.rmtree’ implementation

1.2.1 (2016-3-1)

  • Fixed pytest-verbose-parametrize for latest version of py.test

1.2.0 (2016-2-19)

  • New plugin: git repository fixture

1.1.1 (2016-2-16)

  • pytest-profiling improvement: escape illegal characters in .prof files (Thanks to Aarni Koskela for the PR)

1.1.0 (2016-2-15)

  • New plugin: devpi server fixture
  • pytest-profiling improvement: overly-long .prof files are saved as the short hash of the test name (Thanks to Vladimir Lagunov for PR)
  • Changed default behavior of workspace.run() to not use a subshell for security reasons
  • Corrected virtualenv.run() method to handle arguments the same as the parent method workspace.run()
  • Removed deprecated ‘–distribute’ from virtualenv args

1.0.1 (2015-12-23)

  • Packaging bugfix

1.0.0 (2015-12-21)

  • Initial public release

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