Java tutorial
/** * Copyright (C) cedarsoft GmbH. * * Licensed under the GNU General Public License version 3 (the "License") * with Classpath Exception; you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.cedarsoft.org/gpl3ce * (GPL 3 with Classpath Exception) * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 3 only, as * published by the Free Software Foundation. cedarsoft GmbH designates this * particular file as subject to the "Classpath" exception as provided * by cedarsoft GmbH in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 3 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 3 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact cedarsoft GmbH, 72810 Gomaringen, Germany, * or visit www.cedarsoft.com if you need additional information or * have any questions. */ package com.cedarsoft.serialization.serializers.stax.mate.registry; import com.cedarsoft.exceptions.StillContainedException; import com.cedarsoft.registry.DefaultRegistry; import com.cedarsoft.registry.Registry; import com.cedarsoft.registry.RegistryFactory; import com.cedarsoft.test.utils.TestUtils; import org.apache.commons.io.FileUtils; import org.junit.*; import javax.annotation.Nonnull; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Comparator; import java.util.List; import java.util.Set; import static org.junit.Assert.*; /** * */ public class RegistrySerializerDirTest { private RegistrySerializer<String, Registry<String>, OutputStream, InputStream> serializer; private DirBasedObjectsAccess access; private File baseDir; @Before public void setup() { baseDir = TestUtils.createEmptyTmpDir(); access = new DirBasedObjectsAccess(baseDir); serializer = new RegistrySerializer<String, Registry<String>, OutputStream, InputStream>( new DirBasedRegistrySerializingStrategy<String>(access) { @Nonnull @Override protected String deserialize(@Nonnull String id, @Nonnull File dir) throws IOException { return FileUtils.readFileToString(new File(dir, "data")); } @Override protected void serialize(@Nonnull String object, @Nonnull String id, @Nonnull File dir) throws IOException { File data = new File(dir, "data"); FileUtils.writeStringToFile(data, object); } }, new RegistrySerializer.IdResolver<String>() { @Override @Nonnull public String getId(@Nonnull String object) { return object; } }); } @After public void tearDown() throws Exception { FileUtils.deleteDirectory(baseDir); } @Test public void testDuplicates() throws IOException { Registry<String> registry = serializer.createConnectedRegistry(new MyRegistryFactory()); assertEquals(0, registry.getStoredObjects().size()); registry.store("asdf"); assertEquals(1, registry.getStoredObjects().size()); try { registry.store("asdf"); fail("Where is the Exception"); } catch (StillContainedException ignore) { } assertEquals(1, registry.getStoredObjects().size()); } @Test public void testUpdated() throws Exception { Registry<String> registry = serializer.createConnectedRegistry(new MyRegistryFactory()); assertEquals(0, registry.getStoredObjects().size()); registry.store("asdf"); assertEquals(1, registry.getStoredObjects().size()); registry.updated("asdf"); assertEquals(1, registry.getStoredObjects().size()); } @Test public void testRemove() throws Exception { Registry<String> registry = serializer.createConnectedRegistry(new MyRegistryFactory()); assertEquals(0, registry.getStoredObjects().size()); registry.store("asdf"); assertEquals(1, registry.getStoredObjects().size()); registry.remove("asdf"); assertEquals(0, registry.getStoredObjects().size()); } @Test public void testDeserialize() throws IOException { serializer.serialize("1"); assertEquals(1, serializer.deserialize().size()); assertEquals("1", serializer.deserialize().get(0)); } @Test public void testConnected() throws IOException { serializer.serialize("1"); Registry<String> registry = serializer.createConnectedRegistry(new MyRegistryFactory()); assertEquals(1, registry.getStoredObjects().size()); assertEquals("1", registry.getStoredObjects().get(0)); registry.store("2"); assertEquals(2, registry.getStoredObjects().size()); assertEquals(2, access.getIds().size()); } @Test public void testEmptyConstrucot() throws IOException { Registry<String> registry = new DefaultRegistry<String>(serializer.deserialize()); assertEquals(0, registry.getStoredObjects().size()); } @Test public void testMulti() throws IOException { assertEquals(0, access.getIds().size()); serializer.serialize("1"); assertEquals(1, access.getIds().size()); try { serializer.serialize("1"); fail("Where is the Exception"); } catch (Exception e) { } Set<? extends String> ids = access.getIds(); assertEquals(1, ids.size()); assertTrue(ids.contains("1")); } private static class MyRegistryFactory implements RegistryFactory<String, Registry<String>> { @Override @Nonnull public Registry<String> createRegistry(@Nonnull List<? extends String> objects, @Nonnull Comparator<String> comparator) { return new DefaultRegistry<String>(objects, comparator); } } }