Java tutorial
/******************************************************************************* * See the NOTICE file distributed with this work for additional information * regarding copyright ownership. * * 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 hr.fer.zemris.vhdllab.service.workspace; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; import hr.fer.zemris.vhdllab.entity.File; import hr.fer.zemris.vhdllab.entity.Project; import hr.fer.zemris.vhdllab.service.hierarchy.Hierarchy; import hr.fer.zemris.vhdllab.test.ValueObjectTestSupport; import java.util.Collections; import java.util.HashSet; import java.util.Set; import org.apache.commons.collections.CollectionUtils; import org.apache.commons.collections.Predicate; import org.apache.commons.lang.SerializationUtils; import org.junit.Before; import org.junit.Test; public class ProjectMetadataTest extends ValueObjectTestSupport { private Hierarchy hierarchy; private Set<File> files; private ProjectMetadata metadata; @SuppressWarnings("unchecked") @Before public void initObject() { Project project = new Project("userId", "name"); hierarchy = new Hierarchy(project, Collections.EMPTY_LIST); files = new HashSet<File>(2); File file = new File("file1", null, "data"); file.setProject(project); files.add(file); file = new File("file2", null, "data2"); file.setProject(project); files.add(file); metadata = new ProjectMetadata(hierarchy, files); } @Test(expected = IllegalArgumentException.class) public void constructorNullProject() { new ProjectMetadata(null); } @Test(expected = IllegalArgumentException.class) public void constructorNullHierarchy() { new ProjectMetadata(null, files); } @Test(expected = IllegalArgumentException.class) public void constructorNullFiles() { new ProjectMetadata(hierarchy, null); } @Test public void constructorProject() { Project project = new Project("userId", "project_name"); metadata = new ProjectMetadata(project); assertEquals(project, metadata.getHierarchy().getProject()); assertEquals(project, metadata.getProject()); assertEquals(0, metadata.getHierarchy().getFileCount()); assertTrue(metadata.getFiles().isEmpty()); } @Test public void constructorHierarchyFiles() { metadata = new ProjectMetadata(hierarchy, files); assertEquals(hierarchy, metadata.getHierarchy()); assertEquals(2, metadata.getFiles().size()); files.add(new File()); assertEquals(2, metadata.getFiles().size()); File file = (File) CollectionUtils.get(metadata.getFiles(), 0); assertNull(file.getProject()); file = (File) CollectionUtils.get(files, 0); file.setName("new_name"); File another = (File) CollectionUtils.get(metadata.getFiles(), 0); assertFalse(file.equals(another)); } @Test public void getProject() { Project project = metadata.getProject(); project.setName("new_name"); assertFalse(project.equals(metadata.getProject())); } @Test(expected = UnsupportedOperationException.class) public void getFiles() { metadata.getFiles().add(new File()); } @Test public void getFiles2() { File file = (File) CollectionUtils.get(metadata.getFiles(), 0); file.setName("new_name"); File another = (File) CollectionUtils.get(metadata.getFiles(), 0); assertTrue(file.equals(another)); } @Test(expected = IllegalArgumentException.class) public void addFile() { metadata.addFile(null); } @Test public void addFile2() { File file = new File("file_name", null, "data"); file.setProject(hierarchy.getProject()); metadata.addFile(file); assertEquals(3, metadata.getFiles().size()); assertTrue(metadata.getFiles().contains(file)); File another = new File(file); another.setData("new_data"); metadata.addFile(another); assertEquals(3, metadata.getFiles().size()); File found = (File) CollectionUtils.find(metadata.getFiles(), new Predicate() { @Override public boolean evaluate(Object object) { File f = (File) object; return f.getName().equals("file_name"); } }); assertEquals("new_data", found.getData()); } @Test public void addFile3() { File file = new File("file_name", null, "data"); metadata.addFile(file); File found = (File) CollectionUtils.find(metadata.getFiles(), new Predicate() { @Override public boolean evaluate(Object object) { File f = (File) object; return f.getName().equals("file_name"); } }); assertEquals(hierarchy.getProject(), found.getProject()); } @Test(expected = IllegalArgumentException.class) public void removeFile() { metadata.removeFile(null); } @Test public void removeFile2() { File file = (File) CollectionUtils.get(metadata.getFiles(), 0); metadata.removeFile(file); assertEquals(1, metadata.getFiles().size()); assertFalse(metadata.getFiles().contains(file)); } @Test(expected = IllegalArgumentException.class) public void setHierarchy() { metadata.setHierarchy(null); } @Test public void afterSerialization() { metadata = (ProjectMetadata) SerializationUtils.clone(metadata); for (File f : metadata.getFiles()) { assertEquals(hierarchy.getProject(), f.getProject()); } File file = (File) CollectionUtils.get(files, 0); assertTrue( "change in hashCode of a file (added project reference) isn't reflected to the set containing it.", metadata.getFiles().contains(file)); } @Test public void testToString() { toStringPrint(metadata); } }