JMockit : passing the mock variable

We had a really long interface, that needed to be mocked. One class's contructor had this interface object as an argument.
With my traditional mocking approach, I would have written a @Mockclass that implements this interface, @Mock only the required method, and leave other methods unimplemented. Create a new instance of this mocked class. But that looked like BIG non required code.

@Injectable to rescue

JMockit have @Injectable annotation that you pass to test method as a parameter and define the Expectation. And thats it. Here is the code snippet

	class ABC {
	private SomeService service;
	ABC(SomeService service) {
	this.service = service;
	}
	void doSomething() {
	XYZ xyz = service.someMethod();
	}
	}
	class TestClass {
	@Test
	public void testMethod(@Injectable final SomeService service) {
	new Expectations() {{
	someService.someMethod();
	result = new XYZ();
	}}
	new ABC(service).doSomething();
	}
	}

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