HomeControllerTests.java

/*
 * Copyright 2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.carlomicieli.nerdmovies.controllers;

import com.github.carlomicieli.nerdmovies.services.MovieService;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.mockito.runners.MockitoJUnitRunner;
import org.springframework.ui.ExtendedModelMap;
import org.springframework.ui.Model;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

/**
 * @author Carlo Micieli
 */
@RunWith(MockitoJUnitRunner.class)
public class HomeControllerTests {
    @Mock
    private Model mockModel;
    @Mock
    private MovieService mockService;
    @InjectMocks
    private HomeController homeController;

    @Before
    public void setUp() {
        //This method has to be called to initialize annotated fields.
        MockitoAnnotations.initMocks(this);
    }

    @Test
    public void indexShouldProduceTheCorrectViewName() {
        String viewName = homeController.index(mockModel);
        assertEquals("home/index", viewName);
    }

    @Test
    public void shouldFillTheListOfRecentMovies() {
        ExtendedModelMap model = new ExtendedModelMap();
        homeController.index(model);
        assertNotNull("List of movies is empty", model.get("movies"));

        verify(mockService, times(1)).getRecentMovies(10);
    }

    @Test
    public void aboutShouldProduceTheCorrectViewName() {
        String viewName = homeController.about();
        assertEquals("home/about", viewName);
    }
}