| /******************************************************************************* |
| * Copyright (c) 2015 EclipseSource Muenchen GmbH and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Alexandra Buzila - initial API and implementation |
| * Tobias Ortmayr - bug 507157 |
| *******************************************************************************/ |
| package org.eclipse.emf.compare.ide.utils.tests; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyInt; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import org.eclipse.core.resources.IStorage; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.FileLocator; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.emf.compare.ide.utils.ResourceUtil; |
| import org.eclipse.emf.compare.ide.utils.tests.helper.BufferedInputStreamProvider; |
| import org.eclipse.emf.compare.ide.utils.tests.helper.ByteArrayInputStreamProvider; |
| import org.eclipse.emf.compare.ide.utils.tests.helper.FileInputStreamProvider; |
| import org.eclipse.emf.compare.ide.utils.tests.helper.IStreamProvider; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.osgi.framework.Bundle; |
| |
| @SuppressWarnings({"nls", "resource" }) |
| public class ResourceUtil_BinaryIdentical2Test extends AbstractStorageTest { |
| |
| private static final String PATH1 = "src/org/eclipse/emf/compare/ide/utils/tests/data/binaryequalitytestinputdata1"; |
| |
| private static final String PATH2 = "src/org/eclipse/emf/compare/ide/utils/tests/data/binaryequalitytestinputdata2"; |
| |
| File file1, file2; |
| |
| IStorage storage1_stream, storage1_stream2, storage2_stream; |
| |
| @Before |
| public void setUp() throws IOException { |
| Bundle bundle = Platform.getBundle("org.eclipse.emf.compare.ide.tests"); |
| URL file1Entry = bundle.getEntry(PATH1); |
| URL file1URL = FileLocator.resolve(file1Entry); |
| String file1Path = file1URL.getPath(); |
| URL file2Entry = bundle.getEntry(PATH2); |
| URL file2URL = FileLocator.resolve(file2Entry); |
| String file2Path = file2URL.getPath(); |
| |
| file1 = new File(file1Path); |
| file2 = new File(file2Path); |
| |
| storage1_stream = mockStorage(new FileInputStreamProvider(file1)); |
| storage1_stream2 = mockStorage(new FileInputStreamProvider(file1)); |
| storage2_stream = mockStorage(new FileInputStreamProvider(file2)); |
| } |
| |
| @Test |
| public void testBinaryIdentical_2_sameData() throws IOException { |
| assertTrue(ResourceUtil.binaryIdentical(storage1_stream, storage1_stream2)); |
| } |
| |
| @Test |
| public void testBinaryIdentical_2_differentData() { |
| assertFalse(ResourceUtil.binaryIdentical(storage1_stream, storage2_stream)); |
| } |
| |
| @Test |
| public void testBinaryIdentical_2_sameData_differentBuffers() throws IOException { |
| IStorage storage1 = mockStorage(new BufferedInputStreamProvider(file1, 16384)); |
| IStorage storage2 = mockStorage(new BufferedInputStreamProvider(file1, 8192)); |
| |
| assertTrue(ResourceUtil.binaryIdentical(storage1, storage2)); |
| } |
| |
| @Test |
| public void testBinaryIdentical_2_sameData_sameBuffers() throws IOException { |
| IStorage storage1 = mockStorage(new BufferedInputStreamProvider(file1, 16384)); |
| IStorage storage2 = mockStorage(new BufferedInputStreamProvider(file1, 16384)); |
| |
| assertTrue(ResourceUtil.binaryIdentical(storage1, storage2)); |
| } |
| |
| @Test |
| public void testBinaryIdentical_2_differentData_sameBuffers() throws IOException { |
| IStorage storage1 = mockStorage(new BufferedInputStreamProvider(file1, 16384)); |
| IStorage storage2 = mockStorage(new BufferedInputStreamProvider(file2, 16384)); |
| |
| assertFalse(ResourceUtil.binaryIdentical(storage1, storage2)); |
| } |
| |
| @Test |
| public void testBinaryIdentical_2_mixedTypes() throws IOException { |
| IStorage storage1Buffered = mockStorage(new BufferedInputStreamProvider(file1, 1024)); |
| IStorage storage2Buffered = mockStorage(new BufferedInputStreamProvider(file2, 1024)); |
| assertTrue(ResourceUtil.binaryIdentical(storage1_stream2, storage1Buffered)); |
| assertFalse(ResourceUtil.binaryIdentical(storage1_stream2, storage2Buffered)); |
| } |
| |
| @Test |
| public void testFalseIfCoreException() throws Exception { |
| IStreamProvider input1 = new ByteArrayInputStreamProvider(new byte[] {12, 64, }); |
| IStorage storage2 = mock(IStorage.class); |
| when(storage2.getContents()).thenThrow(new CoreException(Status.CANCEL_STATUS)); |
| |
| assertFalse(ResourceUtil.binaryIdentical(mockStorage(input1), storage2)); |
| } |
| |
| @SuppressWarnings("boxing") |
| @Test |
| public void testFalseIfIOException() throws IOException { |
| IStreamProvider input1 = new ByteArrayInputStreamProvider(new byte[] {12, 64, }); |
| InputStream input2 = mock(InputStream.class); |
| when(input2.read(any(byte[].class), anyInt(), anyInt())).thenThrow(new IOException()); |
| IStorage mockStorage = mock(IStorage.class); |
| try { |
| when(mockStorage.getContents()).thenReturn(input2); |
| when(mockStorage.isReadOnly()).thenReturn(true); |
| } catch (CoreException e) { |
| // this is merely a checked exception of mockStorage.getContents() and will never happen since we |
| // use mockito |
| fail("This should never happen as getContents() always returns the mocked input stream."); |
| } |
| |
| assertFalse(ResourceUtil.binaryIdentical(mockStorage(input1), mockStorage)); |
| } |
| } |