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UnitTesting\ClassSpy

In some cases, you may want to mock a class's methods without using testing facility like https://github.com/padraic/mockery. This trait will let you do that.

Installation

• composer require --dev unit-testing/class-spy:dev-master
• or in require-dev block of composer.json, add "unit-testing/class-spy": "dev-master" and then run composer update

Usage

In your phpunit test, you'll create a stub of your class under test. In that stub definition, add use \UnitTesting\ClassSpy\WatchableTrait;. Your stub will be extended with the following methods:

• trackMethodCall: For any method you want to test on the stub, you can create (or override its parent) method by calling return $this->trackMethodCall(); from within the method.
• getAllMethodCalls: Returns an array of all the arguments passed to all tracked methods. The array has a list of method names as keys and an array of arguments passed to the method as the value.
• getMethodCalls($method, $index = null): Pass the method name to get the arguments passed to it. Optionally add an index (where 1 = the first call) to get the arguments for a specific call if the method was called more than once. If the argument was never called, or was not called less times than the index provided, it will return null.
• getLastMethodCall($method): Get the last set of arguments for a particular method.
• setMethodResult($method, $result): Fake a specific result to be passed back from your tracked method. If the $result parameter is an instance Closure, the Closure will be executed with the actual parameters and its result will be returned.

All of the above have their equivalents for static class methods: trackStaticMethodCall, getAllStaticMethodCalls, getStaticMethodCalls, getLastStaticMethodCall, setStaticMethodResult.

Example