| /* |
| * 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 com.google.common.base.Joiner; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.io.SourceSinkFactory.CharSinkFactory; |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.lang.reflect.Method; |
| import java.util.Map.Entry; |
| import junit.framework.TestSuite; |
| |
| /** |
| * A generator of {@code TestSuite} instances for testing {@code CharSink} implementations. |
| * Generates tests of a all methods on a {@code CharSink} given various inputs written to it. |
| * |
| * @author Colin Decker |
| */ |
| @AndroidIncompatible // Android doesn't understand tests that lack default constructors. |
| public class CharSinkTester extends SourceSinkTester<CharSink, String, CharSinkFactory> { |
| |
| private static final ImmutableList<Method> testMethods = getTestMethods(CharSinkTester.class); |
| |
| static TestSuite tests(String name, CharSinkFactory 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; |
| } |
| |
| static TestSuite suiteForString( |
| String name, CharSinkFactory factory, String string, String desc) { |
| TestSuite stringSuite = new TestSuite(name + " [" + desc + "]"); |
| for (final Method method : testMethods) { |
| stringSuite.addTest(new CharSinkTester(factory, string, name, desc, method)); |
| } |
| return stringSuite; |
| } |
| |
| private final ImmutableList<String> lines; |
| private final ImmutableList<String> expectedLines; |
| |
| private CharSink sink; |
| |
| public CharSinkTester( |
| CharSinkFactory factory, String string, String suiteName, String caseDesc, Method method) { |
| super(factory, string, suiteName, caseDesc, method); |
| this.lines = getLines(string); |
| this.expectedLines = getLines(expected); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| this.sink = factory.createSink(); |
| } |
| |
| public void testOpenStream() throws IOException { |
| Writer writer = sink.openStream(); |
| try { |
| writer.write(data); |
| } finally { |
| writer.close(); |
| } |
| |
| assertContainsExpectedString(); |
| } |
| |
| public void testOpenBufferedStream() throws IOException { |
| Writer writer = sink.openBufferedStream(); |
| try { |
| writer.write(data); |
| } finally { |
| writer.close(); |
| } |
| |
| assertContainsExpectedString(); |
| } |
| |
| public void testWrite() throws IOException { |
| sink.write(data); |
| |
| assertContainsExpectedString(); |
| } |
| |
| public void testWriteLines_systemDefaultSeparator() throws IOException { |
| String separator = System.getProperty("line.separator"); |
| sink.writeLines(lines); |
| |
| assertContainsExpectedLines(separator); |
| } |
| |
| public void testWriteLines_specificSeparator() throws IOException { |
| String separator = "\r\n"; |
| sink.writeLines(lines, separator); |
| |
| assertContainsExpectedLines(separator); |
| } |
| |
| public void testWriteLinesStream_systemDefaultSeparator() throws IOException { |
| String separator = System.getProperty("line.separator"); |
| sink.writeLines(lines.stream()); |
| |
| assertContainsExpectedLines(separator); |
| } |
| |
| public void testWriteLinesStream_specificSeparator() throws IOException { |
| String separator = "\r\n"; |
| sink.writeLines(lines.stream(), separator); |
| |
| assertContainsExpectedLines(separator); |
| } |
| |
| private void assertContainsExpectedString() throws IOException { |
| assertEquals(expected, factory.getSinkContents()); |
| } |
| |
| private void assertContainsExpectedLines(String separator) throws IOException { |
| String expected = expectedLines.isEmpty() ? "" : Joiner.on(separator).join(expectedLines); |
| if (!lines.isEmpty()) { |
| // if we wrote any lines in writeLines(), there will be a trailing newline |
| expected += separator; |
| } |
| assertEquals(expected, factory.getSinkContents()); |
| } |
| } |