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zope.testing layer that integrates Selenium-RC for any WSGI, Zope 2, Plone, ZTK, or grok application.

Project description

Selenium RC integration with zope.testing

gocept.selenium integrates the Selenium remote control with your test suite for any WSGI, Plone, Zope 2, ZTK, or Grok application.

Quick start for WSGI applications

You can test any WSGI application using gocept.selenium by doing:

  1. Use the wsgi extra when requiring gocept.selenium.

  2. Create a layer for your tests:

    import gocept.selenium.wsgi
    
    from mypackage import App
    
    test_layer = gocept.selenium.wsgi.Layer(App())
    
  3. Inherit from gocept.selenium.wsgi.TestCase:

    class TestWSGITestCase(gocept.selenium.wsgi.TestCase):
    
        layer = test_layer
    

Quick start with ZTK (zope.app.testing)

Assuming that you already have a package that uses zc.buildout and zope.app.testing, you need to do this to enable Selenium tests:

  1. Add gocept.selenium to the list of eggs either in your setup.py, or in buildout.cfg, using the extra ztk, i.e. gocept.selenium[ztk].

  2. Install Selenium RC by some means, e.g. by downloading a version from seleniumhq.org . We do not recommend using the collective.recipe.seleniumrc buildout recipe for this since we have had some bad experiences with it related to new versions of Selenium RC and Firefox.

  3. Run buildout to install gocept.selenium and selenium (the Python bindings for Selenium RC).

  4. Create a layer for your tests, like this:

    import gocept.selenium.ztk
    import zope.app.testing.functional
    zcml_layer = zope.app.testing.functional.ZCMLLayer(
        'ftesting.zcml',
        __name__, __name__, allow_teardown=True)
    selenium_layer = gocept.selenium.ztk.Layer(zcml_layer)
    

    Essentially, the zcml_layer is what you would use for typical ZTK functional tests, and then you wrap it to create the selenium_layer.

  5. Start writing tests that inherit gocept.selenium.ztk.TestCase; make sure you set the layer attribute to selenium_layer on each test class.

  6. In your tests, use self.selenium to control Selenium RC, e.g.

    class MyTest(gocept.selenium.ztk.TestCase):
    
        layer = selenium_layer
    
        def test(self):
            self.selenium.open('http://%s/foo.html' % self.selenium.server)
            self.selenium.assertBodyText('foo')
    
  7. Run seleniumrc:

    $ java -jar /path/to/selenium-server.jar
    
  8. Run bin/test and see it work!

Quick start with ZTK (zope.app.wsgi)

Assuming that you already have a package that uses zc.buildout and zope.app.wsgi.testlayer, you should follow the steps described in Quick start with Grok.

Quick start with Zope 2/Plone

Essentially the same, just use gocept.selenium.zope2 or gocept.selenium.plone instead of gocept.selenium.ztk.

Quick start with Grok

This layer works a little different than in the ZTK steps above. Instead of delegating to a (probably already existing functional testing) layer, you’ll need a separate one for the selenium tests.

  1. Use the grok extra when requiring gocept.selenium.

  2. Create a layer for your tests:

    import gocept.selenium.grok
    
    selenium_layer = gocept.selenium.grok.Layer(my.package)
    
  3. Inherit from gocept.selenium.grok.TestCase. You will probably want to setup your app in your test setup:

    import transaction
    
    class MyTest(gocept.selenium.grok.TestCase):
        layer = selenium_layer
    
         def setUp(self):
             super(MyTest, self).setUp()
             root = self.getRootFolder()
             root['app'] = mypackage.App()
             transaction.commit()
    
         def test(self):
             self.selenium.open('/app')
             self.selenium.assertBodyText('foo')
    

Quick start with plone.testing

  1. Use the plonetesting extra when requiring gocept.selenium.
  2. gocept.selenium provides a plone.testing.Layer, gocept.selenium.plonetesting.SELENIUM that you can mix and match with your other layers, see plonetesting.testing/plonetesting.tests.zope2 and plonetesting.testing_plone/plonetesting.tests.plone{3,4} for some examples of integrating with Zope2 and Plone, respectively.

Selenium HTML tests conversion script

Selenium tests can be written in HTML tables.

Their syntax is a bit clunky. But their development and debugging is eased a lot by using Selenium IDE Firefox extension. Selenium IDE provides both initial recording of tests and stepping through those tests. However, HTML tests have a main drawback : they are hard to include in a continuous integration system.

gocept.selenium provides a script that converts a set of Selenium HTML tests into a Python module (based on gocept.selenium and plone.testing). That Python module contains a TestCase that can be included in any zope.testing test suite.

Using the converthtmltests script, the developer can use HTML tests - written, debugged and maintained with the Selenium tools - while being able to easily include those Selenium tests in a continuous integration system.

Usage

See hereunder an excerpt of the help provided by the script

converthtmltests -l LAYER [options] directory

options:
  -f FILE, --file=FILE  write tests to FILE
  -l LAYER, --layer=LAYER
                        full python import path to layer instance

The script gathers and converts all Selenium HTML tests found in the mentioned directory.

The user must refer to a plone.testing layer by specifying its Python import path. That layer is set on the test case generated in the Python module.

An output file can be specified. In case no output file name is specified, the module produced is named tests_all_selenium.py.

Controlling gocept.selenium through environment variables

You can configure the selenium server that gocept.selenium connects to from the command line. Selenium RC defaults to localhost:4444, but you can also connect to a selenium grid in your organization by using the following environment variables:

GOCEPT_SELENIUM_SERVER_HOST=selenium.mycompany.com
GOCEPT_SELENIUM_SERVER_PORT=8888

If multiple browsers are connected to your selenium grid, you can choose the browser to run the tests with as such:

GOCEPT_SELENIUM_BROWSER=*iexplore

When you are running your selenium tests on a selenium grid, you need to instruct the browser which host and port to connect to:

GOCEPT_SELENIUM_APP_HOST=10.0.0.15
GOCEPT_SELENIUM_APP_PORT=8001

When you are testing an application on one machine, you can access the running application from another machine if you set GOCEPT_SELENIUM_APP_HOST = 0.0.0.0 instead of the default localhost.

You can set the speed with which the tests are run through an environment variable:

GOCEPT_SELENIUM_SPEED=500

This example will introduce a 500 millisecond pause between tests.

Similar packages

zc.selenium – integrates Selenium Core with zope.testing.

Development

Report bugs at <https://intra.gocept.com/projects/projects/gocept-selenium/issues>.

Get the latest source with

svn co http://svn.zope.org/repos/main/gocept.selenium/trunk gocept.selenium

Changes

0.10.1 (2011-02-02)

  • Improvements on the README.
  • Wrote a quick start section for packages using ZTK but using zope.app.wsgi.testlayer instead of zope.app.testing.
  • Allowed to use regexp as pattern prefix for regular expressions additionally to regex to be compatible with the docstring and the Selenium documentation.

0.10 (2011-01-18)

  • Script that generates python tests from Selenium HTML tables. Reused from KSS project, courtesy of Jeroen Vloothuis, original author.
  • Using a URL of Selenium RC in README where version 1.0.3 can be downloaded (instead of 1.0.1) which works fine with Firefox on Mac OS X, too.

0.9 (2010-12-28)

  • Provide integration with the recent testlayer approach (zope.app.appsetup/zope.app.wsgi) used by Grok (#8260).
  • Provide integration with plone.testing
  • Make browser and RC server configurable (#6484).
  • Show current test case in command log (#7876).
  • Raise readable error when connection to RC server fails (#6489).
  • Quit browser when the testrunner terminates (#6485).

0.8 (2010-10-22)

  • Fixed tests for the StaticFilesLayer to pass with Python 2.4 through 2.7.
  • API expandsion: getSelectOptions

0.7 (2010-08-16)

  • API expansion: getElementHeight|Width, getCookie* and a few others.
  • lots of action methods (mouse* among others)

0.6 (2010-08-09)

  • assertXpathCount now also takes ints (#7681).
  • API expansion: add isChecked to verify checkboxes, runScript, clickAt, getLocation, getSelectedValue, getSelectedIndex.
  • The pause method uses float division now. Pauses where implicitly rounded to full seconds before when an int was passed.
  • The name of the factored test layer contains the module of the bases now. The name is used by zope.testrunner distinguish layers. Before this fix selenium layers factored from base layers with the same names but in different modules would be considered equal by zope.testrunner.
  • The factored ZTK layer cleanly shuts down the http server in tearDown now. This allows to run different selenium layers in one go.

0.5 (2010-08-03)

  • Add a static files test layer for running selenium tests against a set of static (HTML) files.
  • Patterns now also work with multiline strings, i. e. ‘foo*’ will match ‘foonbar’ (#7790).

0.4.2 (2010-05-20)

  • API expansion: *keyDown, *keyUp, keyPress.

0.4.1 (2010-04-01)

  • API expansion: added getSelectedLabel.
  • Ignore the code of a server’s response when calling open. The default behaviour of SeleniumRC changed between 1.0.1 and 1.0.2 but we want the old behaviour by default.

0.4 (2010-03-30)

  • API expansion: add getLocation to retrieve currently loaded URL in browser.
  • API expansion: added waitForPopUp, selectPopUp, deselectPopUp and close.
  • API expansion: added verifyAlertPresent, verifyAlertNotPresent and waitForAlertPresent.
  • Usability: raise a better readable exception when an unimplemented selenese method is called.
  • Usability: raise failure exceptions that convey the name of the failed assertion in spite of some lambdas wrapped around it.

0.3 (2010-01-12)

  • Extracted ‘host’ and ‘port’ as class attributes of gocept.selenium.ztk.Layer so subclasses can override them; stopped hardcoding 8087 as the server port.

0.2.1 (2009-12-18)

  • Fix incomplete sdist release on PyPI.

0.2 (2009-12-18)

  • Make Zope 2 test server reachable from the outside.
  • Implemented getTitle/assertTitle/waitForTitle/etc.

0.1 (2009-11-08)

  • first release

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