Java tutorial
/* * Copyright 2013-2015 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.expedia.seiso.domain.repo.adapter; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; import java.lang.reflect.Method; import lombok.val; import org.junit.Before; import org.junit.Test; import org.mockito.Mock; import org.mockito.MockitoAnnotations; import org.springframework.data.repository.support.Repositories; import org.springframework.util.ReflectionUtils; import com.expedia.seiso.domain.entity.Service; import com.expedia.seiso.domain.entity.ServiceInstancePort; import com.expedia.seiso.domain.entity.key.SimpleItemKey; import com.expedia.seiso.domain.meta.ItemMeta; import com.expedia.seiso.domain.meta.ItemMetaLookup; import com.expedia.seiso.domain.repo.ServiceRepo; /** * @author Willie Wheeler */ public class SimpleItemRepoAdapterTests { private static final String SERVICE_KEY = "my-service"; private static final String NONEXISTENT_SERVICE_KEY = "nonexistent-service"; // Class under test private SimpleItemRepoAdapter adapter; // Dependencies @Mock private ItemMetaLookup itemMetaLookup; @Mock private Repositories repositories; @Mock private ServiceRepo serviceRepo; // Test data private SimpleItemKey serviceKey, nonExistentServiceKey; @Mock private ItemMeta serviceItemMeta; @Mock private ItemMeta serviceInstancePortItemMeta; private Method findByKeyMethod; @Mock private Service service; @Before public void setUp() { MockitoAnnotations.initMocks(this); setUpTestData(); setUpDependencies(); this.adapter = new SimpleItemRepoAdapter(itemMetaLookup, repositories); } private void setUpTestData() { this.serviceKey = new SimpleItemKey(Service.class, SERVICE_KEY); this.nonExistentServiceKey = new SimpleItemKey(Service.class, NONEXISTENT_SERVICE_KEY); this.findByKeyMethod = ReflectionUtils.findMethod(ServiceRepo.class, "findByKey", String.class); when(serviceItemMeta.getRepositoryFindByKeyMethod()).thenReturn(findByKeyMethod); when(serviceInstancePortItemMeta.getRepositoryFindByKeyMethod()).thenReturn(null); } private void setUpDependencies() { when(itemMetaLookup.getItemMeta(Service.class)).thenReturn(serviceItemMeta); when(itemMetaLookup.getItemMeta(ServiceInstancePort.class)).thenReturn(serviceInstancePortItemMeta); when(repositories.getRepositoryFor(Service.class)).thenReturn(serviceRepo); when(serviceRepo.findByKey(SERVICE_KEY)).thenReturn(service); when(serviceRepo.findByKey(NONEXISTENT_SERVICE_KEY)).thenReturn(null); } @Test(expected = NullPointerException.class) public void init_nullItemMetaLookup() { new SimpleItemRepoAdapter(null, repositories); } @Test(expected = NullPointerException.class) public void init_nullRepositories() { new SimpleItemRepoAdapter(itemMetaLookup, null); } @Test public void supports_true() { val result = adapter.supports(Service.class); assertTrue(result); } @Test public void supports_false() { val result = adapter.supports(ServiceInstancePort.class); assertFalse(result); } @Test(expected = NullPointerException.class) public void supports_nullItemClass() { adapter.supports(null); } @Test public void find() { val result = adapter.find(serviceKey); assertNotNull(result); } @Test public void find_nonExistent() { val result = adapter.find(nonExistentServiceKey); assertNull(result); } @Test(expected = NullPointerException.class) public void find_nullItemKey() { adapter.find(null); } @Test public void delete() { adapter.delete(serviceKey); verify(serviceRepo).delete(service); } @Test public void delete_nonExistent() { adapter.delete(nonExistentServiceKey); } @Test(expected = NullPointerException.class) public void delete_nullItemKey() { adapter.delete(null); } }