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TestEnvironmentSetup.md

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Test Environment Setup

To be able to write and run the tests written for Apache CloudStack the test environment setup is required. The tests are written using the Marvin test framework and use python libraries. Following document describes the prerequsite tools to get started with tests.

Prerequisites and Setup

If you have come to this wiki you should have the cloudstack code cloned to your local developer environment. Some basic developer tools - Eclipse IDE, shell environment, python installation are assumed. mvn should be building your code without issues.

The shell environment should not have MAVEN_OPTS set with debug ports enabled. This intervenes with the multiple mvn runs we will be doing simultaneously - one to run the management server and another to drive the tests. If this is set - remember to unset the MAVEN_OPTS in the shell environment where tests are run.

Python

Linux, Mac

All the tests require Python 2.7 to be installed. If you have multiple pythons ensure that python2.7 is the default python selected when you type python in the shell prompt. If not - alias the python2.7 binary in /usr/local/bin to python.

If python 2.7 is not available on your machine or you have an old python - you will need to get python from the python website. Compiling from source is the easiest way to do this. Some old RHEL/CentOS machines have python 2.6 installed and installing python 2.7 can overwrite your yum installation. To overcome this - use the make altinstall option.

pip is a package manager for python but is not installed with python installation. To install pip you will need setuptools for your platform. Once setup tools is installed you can install pip as shown here:

$ easy_install pip

Some linux platforms also package pip as an rpm so you can simply do:

$ yum install python-pip

Note: python-pip package would have been packaged for the default python installation on your distro.

For those with multiple python enviornments make sure to alias pip-2.7 to pip so that the packages go to the python2.7 package directories and not python 2.6/2.4 as the case may be. To see which python the default pip is pointing to:

$ pip --version
pip 1.2.1 from /Library/Python/2.7/site-packages/pip-1.2.1-py2.7.egg (python 2.7)

Mac OSX users who have homebrew can simply install python using brew. This will also install the right pip version for you:

$ brew install python

Windows

Windows python installation is easier since binary packages are simpler to click and install.

Non-Cygwin

If you are not using cygwin download the python installer for Python 2.7 from the python downloads page and run it.Then install pip from binaries for python 2.7.

Cygwin

Run the Cygwin setup.exe executable. On the dialog boxes under the Python section you should see the latest python 2.7 interpreter. Install it. If you have an older python already installed in Cygwin make sure to uninstall that before upgrading to 2.7. Set your environment variables to point python to the new python 2.7 installed python on your cygdrive. Try alternate mirrors if you find python 2.7 is not available on your default mirror.

To install pip the package manager you will have to install setuptools for cygwin and then do:

$ easy_install pip

This should link the python 2.7 installation and the pip installation for you.

Warning: The pydev plugin does not work well with cygwin and has problems resolving paths between cygwin and windows environments. At this time there is no available alternative for auto-completion plugins for Eclipse

PyDev installation

PyDev is a python plugin for eclipse which features auto-completion of python modules. To install PyDev -

  • go to Help->Install New Software
  • in the Work With: dialog box - add http://pydev.org/updates
  • select the pydev packages shown and click on Install

That should be it. If you face any problems follow the more in-depth pydev installation here.

You should configure your pydev installation to use the python2.7 interpreter you installed and configured earlier. To do this :

  • go to Window -> Preferences
  • Pydev -> Interpreter
  • Either use AutoConfig or select the path to you python executable