Java tutorial
/** * Licensed to the Austrian Association for Software Tool Integration (AASTI) * under one or more contributor license agreements. See the NOTICE file * distributed with this work for additional information regarding copyright * ownership. The AASTI licenses this file to you 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 org.openengsb.connector.virtual.filewatcher.internal; import static org.hamcrest.Matchers.is; import static org.hamcrest.Matchers.not; import static org.hamcrest.Matchers.nullValue; import static org.junit.Assert.assertThat; import static org.mockito.Matchers.any; import static org.mockito.Mockito.doAnswer; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.timeout; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; import java.io.File; import java.util.ArrayList; import java.util.Collection; import java.util.Dictionary; import java.util.HashMap; import java.util.Hashtable; import java.util.List; import java.util.Map; import org.apache.commons.io.FileUtils; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.junit.rules.TemporaryFolder; import org.junit.runner.RunWith; import org.mockito.Mock; import org.mockito.invocation.InvocationOnMock; import org.mockito.runners.MockitoJUnitRunner; import org.mockito.stubbing.Answer; import org.openengsb.core.api.ConnectorManager; import org.openengsb.core.api.ConnectorProvider; import org.openengsb.core.api.Constants; import org.openengsb.core.api.Event; import org.openengsb.core.api.EventSupport; import org.openengsb.core.api.VirtualConnectorProvider; import org.openengsb.core.api.model.ConnectorDescription; import org.openengsb.core.api.persistence.ConfigPersistenceService; import org.openengsb.core.api.security.AuthenticationContext; import org.openengsb.core.common.SecurityAttributeProviderImpl; import org.openengsb.core.common.internal.Activator; import org.openengsb.core.ekb.api.EKBCommit; import org.openengsb.core.ekb.api.PersistInterface; import org.openengsb.core.ekb.api.QueryInterface; import org.openengsb.core.ekb.api.TransformationEngine; import org.openengsb.core.persistence.internal.DefaultConfigPersistenceService; import org.openengsb.core.services.internal.ConnectorManagerImpl; import org.openengsb.core.services.internal.ConnectorRegistrationManager; import org.openengsb.core.test.AbstractOsgiMockServiceTest; import org.openengsb.core.test.DummyConfigPersistenceService; import org.openengsb.core.test.NullDomain; import org.openengsb.core.test.ServiceList; import org.osgi.framework.ServiceReference; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; @RunWith(MockitoJUnitRunner.class) public class FileWatcherConnectorTest extends AbstractOsgiMockServiceTest { @Rule public TemporaryFolder tmpFolder = new TemporaryFolder(); protected ConnectorManager connectorManager; @Mock protected TransformationEngine transformationEngine; @Mock protected PersistInterface persistenceService; private Map<Class<?>, List<Object>> activeModels = new HashMap<Class<?>, List<Object>>(); @Mock protected QueryInterface queryService; @Before public void setUp() throws Exception { setupConnectorManager(); Activator activator = new Activator(); activator.start(bundleContext); createDomainProviderMock(NullDomain.class, "example"); Dictionary<String, Object> props = new Hashtable<String, Object>(); props.put("connector", "filewatcher"); doAnswer(new Answer<Object>() { @Override public Object answer(InvocationOnMock invocation) throws Throwable { ServiceList<EventSupport> eventSupports = makeServiceList(EventSupport.class); for (EventSupport e : eventSupports) { try { e.onEvent(new Event()); } catch (Exception e1) { e1.printStackTrace(); } } EKBCommit commit = (EKBCommit) invocation.getArguments()[0]; for (Object o : commit.getInserts()) { if (!activeModels.containsKey(o.getClass())) { activeModels.put(o.getClass(), new ArrayList<Object>()); } activeModels.get(o.getClass()).add(o); } return null; } }).when(persistenceService).commit(any(EKBCommit.class)); when(queryService.queryForActiveModels(any(Class.class))).thenAnswer(new Answer<List<Object>>() { @Override public List<Object> answer(InvocationOnMock invocation) throws Throwable { Class<?> type = (Class<?>) invocation.getArguments()[0]; return activeModels.get(type); } }); FileWatcherConnectorProvider provider = new FileWatcherConnectorProvider("foo", persistenceService, queryService, bundleContext, mock(AuthenticationContext.class)); provider.setId("filewatcher"); registerService(provider, props, VirtualConnectorProvider.class); } private void setupConnectorManager() { ConnectorRegistrationManager serviceRegistrationManagerImpl = new ConnectorRegistrationManager( bundleContext, transformationEngine, null, new SecurityAttributeProviderImpl()); serviceRegistrationManagerImpl.setBundleContext(bundleContext); ConnectorManagerImpl serviceManagerImpl = new ConnectorManagerImpl(); serviceManagerImpl.setRegistrationManager(serviceRegistrationManagerImpl); serviceManagerImpl.setConfigPersistence(registerConfigPersistence()); connectorManager = serviceManagerImpl; } private ConfigPersistenceService registerConfigPersistence() { DummyConfigPersistenceService<String> backend = new DummyConfigPersistenceService<String>(); Dictionary<String, Object> props = new Hashtable<String, Object>(); props.put(Constants.CONFIGURATION_ID, Constants.CONFIG_CONNECTOR); props.put(Constants.BACKEND_ID, "dummy"); DefaultConfigPersistenceService configPersistence = new DefaultConfigPersistenceService(backend); registerService(configPersistence, props, ConfigPersistenceService.class); return configPersistence; } @Test public void testConnectorProviderIsCreated() throws Exception { Collection<ServiceReference<ConnectorProvider>> serviceReferences = bundleContext .getServiceReferences(ConnectorProvider.class, "(domain=example)"); assertThat(serviceReferences.isEmpty(), is(false)); } @Test public void createFileWatcherConnector_shouldRegisterService() throws Exception { File testconnectorFolder = new File(tmpFolder.getRoot(), "testconnector"); File testfile = new File(testconnectorFolder, "testfile"); ConnectorDescription desc = makeConnectorDescription(CSVParser.class, testfile); connectorManager.create(desc); ServiceReference<NullDomain> serviceReference = bundleContext.getServiceReference(NullDomain.class); assertThat(serviceReference, not(nullValue())); } @Test public void createFileWatcherConnector_shouldCreateWatchDir() throws Exception { File testconnectorFolder = new File(tmpFolder.getRoot(), "testconnector"); File testfile = new File(testconnectorFolder, "testfile"); ConnectorDescription desc = makeConnectorDescription(CSVParser.class, testfile); connectorManager.create(desc); assertThat(testconnectorFolder.exists(), is(true)); } @Test public void datachangedEvent_shouldTriggerUpdate() throws Exception { File testconnectorFolder = new File(tmpFolder.getRoot(), "testconnector"); File testFile = new File(testconnectorFolder, "testfile"); ConnectorDescription desc = makeConnectorDescription(CSVParser.class, testFile); connectorManager.create(desc); ServiceReference<EventSupport> reference = bundleContext.getServiceReference(EventSupport.class); EventSupport service = bundleContext.getService(reference); service.onEvent(new Event()); verify(queryService).queryForActiveModels(TestModel.class); } private ConnectorDescription makeConnectorDescription(Class<?> parserClass, File testFile) { Map<String, String> attributes = new HashMap<String, String>(); attributes.put("watchfile", testFile.getAbsolutePath()); attributes.put("serializer", parserClass.getName()); attributes.put("mixin.1", EventSupport.class.getName()); attributes.put("modelType", TestModel.class.getName()); return new ConnectorDescription("example", "filewatcher", attributes, new HashMap<String, Object>()); } @Test public void modifyWatchedFile_shouldCallOnModified() throws Exception { File testconnectorFolder = new File(tmpFolder.getRoot(), "testconnector"); File testfile = new File(testconnectorFolder, "testfile"); ConnectorDescription desc = makeConnectorDescription(CSVParser.class, testfile); connectorManager.create(desc); FileUtils.write(testfile, "42,\"foo\",7"); verify(persistenceService, timeout(2500)).commit(any(EKBCommit.class)); } @Test public void modifyWatchedFile_shouldUpdateConnectedModels() throws Exception { File testconnectorFolder = new File(tmpFolder.getRoot(), "testconnector"); File testfile = new File(testconnectorFolder, "testfile"); ConnectorDescription desc = makeConnectorDescription(CSVParser.class, testfile); connectorManager.create(desc); File testconnectorFolder2 = new File(tmpFolder.getRoot(), "testconnector2"); File testfile2 = new File(testconnectorFolder2, "testfile"); ConnectorDescription desc2 = makeConnectorDescription(JSONParser.class, testfile2); desc2.getAttributes().put("modelType", TestModel.class.getName()); connectorManager.create(desc2); FileUtils.write(testfile, "42,\"foo\",7"); verify(persistenceService, timeout(2500)).commit(any(EKBCommit.class)); Thread.sleep(2000); System.out.println("reading file back:\n" + FileUtils.readFileToString(testfile2)); ObjectMapper objectMapper = new ObjectMapper(); JsonNode jsonNodes = objectMapper.readTree(testfile2); assertThat(jsonNodes.size(), is(1)); } }