https://github.com/spring-projects/spring-sync-samples/tree/master/spring-rest-todos
package todos;
import static org.hamcrest.Matchers.*;
import static org.mockito.Mockito.*;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
import java.util.Arrays;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* @author Roy Clarkson
*/
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = Application.class)
@Ignore
public class MainControllerTest {
@Autowired
private WebApplicationContext context;
@Mock
private TodoRepository repository;
@InjectMocks
TodoController mainController;
private MockMvc mvc;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
mvc = MockMvcBuilders.standaloneSetup(mainController).build();
}
@Test
public void testList() throws Exception {
final Todo a = new Todo(1L, "a", false);
final Todo b = new Todo(2L, "b", false);
final Todo c = new Todo(3L, "c", false);
when(repository.findAll()).thenReturn(Arrays.asList(a, b, c));
mvc.perform(get("/todos")
.accept(MediaType.APPLICATION_JSON))
.andExpect(status().isOk())
.andExpect(jsonPath("$", hasSize(3)))
.andExpect(jsonPath("$[0].id", is(1)))
.andExpect(jsonPath("$[0].description", is("a")))
.andExpect(jsonPath("$[0].complete", is(false)))
.andExpect(jsonPath("$[1].id", is(2)))
.andExpect(jsonPath("$[1].description", is("b")))
.andExpect(jsonPath("$[1].complete", is(false)))
.andExpect(jsonPath("$[2].id", is(3)))
.andExpect(jsonPath("$[2].description", is("c")))
.andExpect(jsonPath("$[2].complete", is(false)));
verify(repository, times(1)).findAll();
verifyNoMoreInteractions(repository);
}
@Ignore
@Test
public void testPatch() throws Exception {
}
@Test
public void testCreate() throws Exception {
final Todo todo = new Todo(1L, "a", false);
ObjectMapper objectMapper = new ObjectMapper();
final byte[] bytes = objectMapper.writeValueAsBytes(todo);
when(repository.save(Mockito.any(Todo.class))).thenReturn(todo);
mvc.perform(post("/todos")
.accept(MediaType.APPLICATION_JSON)
.contentType(MediaType.APPLICATION_JSON)
.content(bytes))
.andExpect(status().isOk())
.andExpect(jsonPath("$.id", is(1)))
.andExpect(jsonPath("$.description", is("a")))
.andExpect(jsonPath("$.complete", is(false)));
verify(repository, times(1)).save(Mockito.any(Todo.class));
verifyNoMoreInteractions(repository);
}
@Test
public void testUpdateSameIds() throws Exception {
final Todo updatedTodo = new Todo(1L, "z", true);
ObjectMapper objectMapper = new ObjectMapper();
byte[] bytes = objectMapper.writeValueAsBytes(updatedTodo);
when(repository.save(Mockito.any(Todo.class))).thenReturn(updatedTodo);
mvc.perform(put("/todos/{id}", 1L)
.contentType(MediaType.APPLICATION_JSON)
.content(bytes))
.andExpect(status().isNoContent());
verify(repository, times(0)).delete(1L);
verify(repository, times(1)).save(Mockito.any(Todo.class));
verifyNoMoreInteractions(repository);
}
@Test
public void testUpdateDifferentIds() throws Exception {
final Todo updatedTodo = new Todo(99L, "z", true);
ObjectMapper objectMapper = new ObjectMapper();
byte[] bytes = objectMapper.writeValueAsBytes(updatedTodo);
when(repository.save(Mockito.any(Todo.class))).thenReturn(updatedTodo);
mvc.perform(put("/todos/{id}", 1L)
.contentType(MediaType.APPLICATION_JSON)
.content(bytes))
.andExpect(status().isNoContent());
verify(repository, times(1)).delete(1L);
verify(repository, times(1)).save(Mockito.any(Todo.class));
verifyNoMoreInteractions(repository);
}
@Test
public void testDelete() throws Exception {
// this is how to test a void method with Mockito
// doThrow(new IllegalArgumentException()).when(repository).delete(null);
mvc.perform(delete("/todos/{id}", 1L))
.andExpect(status().isNoContent());
}
}