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Informations about the package mimic
Mimic
This library can be used to create mimics of your classes, which can be used for (functional) testing.
A mimicked class is similar to mock objects with stub methods in phpunit, but on a functional level.
Installation
Install with composer
Install mimic using composer:
Example
Lets say you have a client class which talks to an external REST service. The interface might look like this:
Now, using a class which really connects to the REST server in a (functional) test is a bad idea, since that server may not be in the scope of your test and influence the results.
To create a mimic client you need to extend MimicActionHandler
like this:
Now you can mimic the behaviour of the RestClient
in your tests:
Argument Matchers
In case you want more control over the arguments that are expected for a call, you can use argument matchers.
The ArgumentMatchers
class instantiates several matchers which can be passed to the expected argument list of enqueue.
Usage
Extending MimicActionHandler
will allow your class to have the mimic enqueue system.
Every method you want to mimic should have this as the body:
See tests/Service/SampleMimic
for an example.
enableQueue
enableQueue
will enable the use of the queue.
disableQueue
disableQueue
will stop the use of the queue.
isQueueEnabled
isQueueEnabled
will return a boolean value with the state of the queue.
enqueue
enqueue
will add a method call to the expected queue.
You can add as many method prediction as you like.
If the next call to the mimic is the expected call then the given response will be returned and it will be removed from the queue.
If the next call to the mimic is not the same as the expected call added to the queue then an exception will be thrown.
If you set throw
to true
then the response will be thrown instead of returned.
getQueueContent
getQueueContent
will return all the remaining actions added to the queue as Action models.
See the Action
class for more information about the model.
isFinished
isFinished
will return true if there are no more action left in the queue. false otherwise.
clearQueue
clearQueue
will remove all the remaining actions from the queue.
All versions of mimic with dependencies
ext-json Version *