| /* |
| * Copyright (C) 2012 The Guava 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.google.common.io; |
| |
| import static com.google.common.io.SourceSinkFactory.ByteSinkFactory; |
| import static com.google.common.io.SourceSinkFactory.CharSinkFactory; |
| import static org.junit.Assert.assertArrayEquals; |
| |
| import com.google.common.base.Charsets; |
| import com.google.common.collect.ImmutableList; |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.lang.reflect.Method; |
| import java.util.Map.Entry; |
| import junit.framework.TestSuite; |
| |
| /** |
| * A generator of {@code TestSuite} instances for testing {@code ByteSink} implementations. |
| * Generates tests of a all methods on a {@code ByteSink} given various inputs written to it as well |
| * as sub-suites for testing the {@code CharSink} view in the same way. |
| * |
| * @author Colin Decker |
| */ |
| @AndroidIncompatible // Android doesn't understand tests that lack default constructors. |
| public class ByteSinkTester extends SourceSinkTester<ByteSink, byte[], ByteSinkFactory> { |
| |
| private static final ImmutableList<Method> testMethods = getTestMethods(ByteSinkTester.class); |
| |
| static TestSuite tests(String name, ByteSinkFactory factory) { |
| TestSuite suite = new TestSuite(name); |
| for (Entry<String, String> entry : TEST_STRINGS.entrySet()) { |
| String desc = entry.getKey(); |
| TestSuite stringSuite = suiteForString(name, factory, entry.getValue(), desc); |
| suite.addTest(stringSuite); |
| } |
| return suite; |
| } |
| |
| private static TestSuite suiteForString( |
| String name, ByteSinkFactory factory, String string, String desc) { |
| byte[] bytes = string.getBytes(Charsets.UTF_8); |
| TestSuite suite = suiteForBytes(name, factory, desc, bytes); |
| CharSinkFactory charSinkFactory = SourceSinkFactories.asCharSinkFactory(factory); |
| suite.addTest( |
| CharSinkTester.suiteForString( |
| name + ".asCharSink[Charset]", charSinkFactory, string, desc)); |
| return suite; |
| } |
| |
| private static TestSuite suiteForBytes( |
| String name, ByteSinkFactory factory, String desc, byte[] bytes) { |
| TestSuite suite = new TestSuite(name + " [" + desc + "]"); |
| for (final Method method : testMethods) { |
| suite.addTest(new ByteSinkTester(factory, bytes, name, desc, method)); |
| } |
| return suite; |
| } |
| |
| private ByteSink sink; |
| |
| ByteSinkTester( |
| ByteSinkFactory factory, byte[] data, String suiteName, String caseDesc, Method method) { |
| super(factory, data, suiteName, caseDesc, method); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| sink = factory.createSink(); |
| } |
| |
| public void testOpenStream() throws IOException { |
| OutputStream out = sink.openStream(); |
| try { |
| ByteStreams.copy(new ByteArrayInputStream(data), out); |
| } finally { |
| out.close(); |
| } |
| |
| assertContainsExpectedBytes(); |
| } |
| |
| public void testOpenBufferedStream() throws IOException { |
| OutputStream out = sink.openBufferedStream(); |
| try { |
| ByteStreams.copy(new ByteArrayInputStream(data), out); |
| } finally { |
| out.close(); |
| } |
| |
| assertContainsExpectedBytes(); |
| } |
| |
| public void testWrite() throws IOException { |
| sink.write(data); |
| |
| assertContainsExpectedBytes(); |
| } |
| |
| public void testWriteFrom_inputStream() throws IOException { |
| sink.writeFrom(new ByteArrayInputStream(data)); |
| |
| assertContainsExpectedBytes(); |
| } |
| |
| private void assertContainsExpectedBytes() throws IOException { |
| assertArrayEquals(expected, factory.getSinkContents()); |
| } |
| } |