How do you verify a method is called 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.

How do you expect a void method to call 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 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).

Which of the given method is used to create EasyMock?

The expect() method tells EasyMock to simulate a method with certain arguments. The andReturn() method defines the return value of this method for the specified method parameters. The times() method defines how often the Mock object will be called. The replay() method is called to make the Mock object available.

What is expectLastCall in EasyMock?

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.

How do I use mock verification?

Mockito verify() method can be used to test number of method invocations too. We can test exact number of times, at least once, at least, at most number of invocation times for a mocked method. We can use verifyNoMoreInteractions() after all the verify() method calls to make sure everything is verified.

Can we mock void methods?

Mockito provides following methods that can be used to mock void methods. doAnswer() : We can use this to perform some operations when a mocked object method is called that is returning void. doThrow() : We can use doThrow() when we want to stub a void method that throws exception.