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Package proxy-object
Short Description A library that makes it much easier to generate a proxy of your system under test (SUT)
License Apache 2.0
Homepage http://www.github.com/lapistano/proxy-object
Informations about the package proxy-object
=========== ProxyObject
Initiated by Thomas Weinert back in 2008 I picked up his work and completed, extended, and tested it. The outcome is this little library making it much easier to generate a proxy of your system under test (SUT). Another thought on this library was, that it should be very easy to use if you know the way to mock classes and methods in PHPUnit. Proxy-object has almost the same API, but does not change the behavior of the proxied class/method. The only purpose is to expose hidden (protected & private) methods and members.
Installation
Thanks to the feedback of beberlei the source is now PSR-0 compatible.
There is no specific installation routine to be followed. Just clone or checkout the source into to your project
and use it.
In case you don't use a PSR-0 compatible autoloader, you only have to add the bootstrap.php
into your bootstrap or
autoloader.
Composer
Add the following lines to your composer.json
file and update your project's composer installation.
This composer configuration will checkout the sources tagged as the 2nd release. In case your want the 'cutting eadge' version replace '2.*' by 'dev-master'. But be alarmed that this might be broken sometimes.
NOTE: In case you do not know what this means the composer project website is a good place to start.
Github
Thus I recommend the composer way to make proxy-object a dependency to your project. The sources are also available via github. Just clone it as you might be familiar with.
Usecases
-
Exposing invisible Methods
One of the main purpose of this library is to expose invisible (private or protected) methods to the SUT. To do so use just create a new ProxyBuilder object and pass the method to be exposed.
-
Exposing invisible Members
Another purpose of this library is to expose invisible members not reachable via a setter. This is to prevent you from writing setter methods just for the purpose of unit testing. Use the
setProperties()
method to archieve.
Despite the fact that it is possible to expose private members by naming them in the setProperties array, generating a proxy object without the property declaration will only expose protected members. This is because I am not a big fan of exposing too much from a class. If someone thinks this should be changed, I would be more than happy to discuss this topic.
-
Creating a proxied object without calling the constructor
Sometimes it is necessary to supress the invokation of the defined constructor. Therefore I followed the API of PHPunits MockBuilder and added the
disableOriginalConstructor()
method.
Ease access to the proxy-object in your test suite
Since I am really lazy ;) and I really like convenience I extended the PHPUnit_Framework_TestCase
class and
added the following method.
Every of your test cases should now extend your own extended test case class so you can create a new proxy builder
by just calling $this->getProxyBuilder('\\my\\namespace\\myclass');
. Used in one of the examples above it will look like this.
Documentation
Since there is a exhausting documentation of the API in the source code, I decided not to write a separate one.
Use phpDocumentor to extract and generate your own documentation.
I added a phpdoc.example.ini in the doc/config folder. Follow the instructions in the doc/config/README
to setup
the generation of the documentation.
Limitations
As you might expect there are also some limitations this library has to deal with. This limitations are not introduced by this implementation, but are limitations which come from PHP. So it is not possible to expose methods marked as final or static.
Future stuff
- Improve error messages (e.g. by telling why a method/member could not be exposed)