How do you void in EasyMock?

How do you void in EasyMock?

When we use expectLastCall() and andAnswer() to mock void methods, we can use getCurrentArguments() to get the arguments passed to the method and perform some action on it. Finally, we have to return null since we are mocking a void method.

What does EasyMock expectLastCall do?

The API doc for EasyMock says this about expectLastCall() : Returns the expectation setter for the last expected invocation in the current thread. This method is used for expected invocations on void methods.

What does EasyMock verify do?

EasyMock verify() method is used to make sure that all the stubbed methods are being utilized and there are no unexpected calls. The behavior for unexpected calls changes for nice mock objects where it doesn’t throw any error.

How do you mock a method in EasyMock?

It uses the basic EasyMock concepts of expect, replay and verify.

1. Create mock instances for the objects you need to mock the method calls on, in this case the service and the stuffGetter .
2. Write expectations for the method calls using the expect method.
3. Replay the mock objects, in this case replay both of them.

How do I verify in EasyMock?

Example with EasyMock. Verify()

1. Step 1: Create an interface CalculatorService to provide mathematical functions.
2. Step 2: Create a JAVA class to represent MathApplication.
3. Step 3: Test the MathApplication class.
4. Step 4: Execute test cases.
5. Step 5: Verify the Result.

What is replay EasyMock?

The replay method is used to pass the mock from recording (where you record the method you expect to be called) to replaying state (where you actually test).

Can you use expect ( ) In EasyMock void method?

EasyMock expect() method can’t be used to mock void methods. However, we can use expectLastCall() along with andAnswer() to mock void methods. EasyMock void method. When we use expectLastCall() and andAnswer() to mock void methods, we can use getCurrentArguments() to get the arguments passed to the method and perform some action on it.

How to use expectlastcall to mock a void?

However, we can use expectLastCall () along with andAnswer () to mock void methods. When we use expectLastCall () and andAnswer () to mock void methods, we can use getCurrentArguments () to get the arguments passed to the method and perform some action on it. Finally, we have to return null since we are mocking a void method.

How to create a mock in Java EasyMock?

Create a mock. call expect(mock.[method call]).andReturn([result]) for each expected call. call mock.[method call], then EasyMock.expectLastCall() for each expected void call. call replay(mock) to switch from “record” mode to “playback” mode. inject the mock as needed. call the test method.

When to use expectation setter on void methods?

Returns the expectation setter for the last expected invocation in the current thread. This method is used for expected invocations on void methods. Detailed API of the IExpectationSetters is here. In your example you are just getting the handle and not doing anything with it hence you don’t see any impact of having or removing the statement.