I m new to JUnit and Mockitio. Where can I find the specification/docs for the first sentence of the answer? So given case class ValueClass(value: Int) extends AnyVal, what you want to do is ValueClass(anyInt) instead of any[ValueClass]. Otherwise thanx for your input. How do you assert that a certain exception is thrown in JUnit tests? Find centralized, trusted content and collaborate around the technologies you use most. (Ep. In this case you should annotate your class with: You should also import into your dependency (Maven - pom.xml): You have three options for activating the @Mock annotation: MockitoRule, MockitoJUnitRunner, MockitoAnnotations.initMocks(this). Maybe you did it accidentally. Based on above suggestion https://stackoverflow.com/a/55616702/2643815. @bohsen still getting the same issue when doReturn/when is used, updated the description with the different cases, This passes in my IDE. StockController stockController; This only happens in Android Espresso tests. Can corresponding author withdraw a paper after it has accepted without permission/acceptance of first author. I am using JUnit version 4 and i still needed "@RunWith(MockitoJUnitRunner.class)" annotation for "when" method to work properly. Can you please create another question on StackOverflow with a complete example. As this is the closest I found to the issue I had, it's the first result that comes up and I didn't find an appropriate answer, I'll post the solution here for any future poor souls: any() doesn't work where mocked class method uses a primitive parameter. (Ep. Generating points along line with specifying the origin of point generation in QGIS, Folder's list view has different sized fonts in different folders. For JUnit 5 the test class has to be annotated with: you need to initialize MockitoAnnotations.initMocks(this) method has to called to initialize annotated fields. rev2023.5.1.43405. What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? It's not them. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? For JUnit5 check, you are using proper imports also. My issue was that I was trying to mock an object which was final in my service. And there's a problem in your test code you are telling the mocked instance to return null when calling method findById(), so most probably if that was to happen, you'll get a NPE in the main code, when trying to use the .orelse() method. the object in when() must be a mock created by Mockito.mock(), it does not work for manually created real objects - not sure if that's your issue, since I'm not really getting where your problem is Added some code. Optional optional = stockService.getProduct(productId); Two MacBook Pro with same model number (A1286) but different year. (Ep. Would My Planets Blue Sun Kill Earth-Life? Mockito cannot mock the final method. He also rips off an arm to use as a sword. Here is a list of 3 things you should check out. Most of the people just forget to specify the test runner, running class for mocking. In my case I was trying to mock a property which was annotated with @JvmField. recording its expected behavior, including the action, result, exceptions, etc. For example, the "org.easymock" package also does have an annotation called @Mock, which of course, won't work with Mockito specific setup. The text was updated successfully, but these errors were encountered: You should use doReturn/when construct instead of whenever/thenReturn. Product product = optional.get(); The object is null though, so the unboxing fails accessing a null pointer. MvcResults mvcResults = mockMvc.perform(get(/product).param(id, productId)).andExpect(Status().isOk()).andReturn(); I got null pointer bcoz of @RunWith(PowerMockRunner.class), instead of that I changed to @RunWith(MockitoJUnitRunner.class).

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