SpringMVCTestStandalone.java

@ExtendWith(MockitoExtension.class)
class OwnerControllerTest {

	@InjectMocks
	OwnerController ownerController;

	MockMvc mockMvc;

	@BeforeEach
	void setUp() {
		mockMvc = MockMvcBuilders.standaloneSetup(ownerController).build();
	}

	@Test
	void initCreationForm() throws Exception {
		mockMvc.perform(get("/owners/new"))
			.andExpect(status().isOk())
			.andExpect(model().attributeExists("owner"))
			.andExpect(view().name("owners/createOrUpdateOwnerForm"));
	}