This is because we have to create the captor outside the line we use it on, reducing readability. In contrast to the first test, notice how we have to perform an extra assert on the last line to do the same as eq(credentials).įinally, notice how it isn't immediately clear what credentialsCaptor.capture() refers to. A Java project can use Mockito directly, but a Kotlin project usually is better served by. When(thenticate(credentialsCaptor.capture())).thenReturn(AuthenticationStatus.AUTHENTICATED) ĪssertEquals(credentials, credentialsCaptor.getValue()) The leading mock implementation in use for Android is Mockito.
Next, consider the same test using an ArgumentCaptor instead: Credentials credentials = new Credentials("baeldung", "correct_password", "correct_key") Here we use eq(credentials) to specify when the mock should return an object. When(thenticate(eq(credentials))).thenReturn(AuthenticationStatus.AUTHENTICATED) ĪssertTrue(thenticatedSuccessfully(credentials)) Kotlin and Java are very close friend by Elye Mobile App Development Publication Medium Sign In 500 Apologies, but something went wrong on our end. There are several custom settings supported by methods of the MockSettings interface, such as registering a listener for method invocations on the current mock with invocationListeners, configuring serialization with serializable, specifying the instance to spy on with spiedInstance, configuring Mockito to attempt to use a constructor when. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Credentials credentials = new Credentials("baeldung", "correct_password", "correct_key") Mockito has been around since the early days of Android development and eventually became the de-facto mocking library for writing unit tests.
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