/*
* Copyright 2004-2012 the Seasar Foundation and the Others.
*
* 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 org.seasar.util.io;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.net.URL;
import org.junit.Test;
import org.seasar.util.net.URLUtil;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.seasar.util.io.CopyUtil.*;
/**
* @author koichik
*/
public class CopyUtilTest {
static byte[] srcBytes = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
static String srcString = "ABCDEFGHIJKLMN";
static String urlString = "あいうえお";
InputStream is = new ByteArrayInputStream(srcBytes);
ByteArrayOutputStream os = new ByteArrayOutputStream();
Reader reader = new StringReader(srcString);
StringWriter writer = new StringWriter();
StringBuilder builder = new StringBuilder();
URL url = ResourceUtil.getResource(getClass().getName().replace('.', '/')
+ ".txt");
File inputFile = URLUtil.toFile(url);
File outputFile = new File(inputFile.getParentFile(), ".out");
/**
* @throws Exception
*/
@Test
public void testIsToOs() throws Exception {
int result = copy(is, os);
assertThat(result, is(srcBytes.length));
assertThat(os.toByteArray(), is(srcBytes));
}
/**
* @throws Exception
*/
@Test
public void testReaderToWriter() throws Exception {
int result = copy(reader, writer);
assertThat(result, is(srcString.length()));
assertThat(writer.toString(), is(srcString));
}
/**
* @throws Exception
*/
@Test
public void testBytesToOs() throws Exception {
int result = copy(srcBytes, os);
assertThat(result, is(srcBytes.length));
assertThat(os.toByteArray(), is(srcBytes));
}
/**
* @throws Exception
*/
@Test
public void testStringToWriter() throws Exception {
int result = copy(srcString, writer);
assertThat(result, is(srcString.length()));
assertThat(writer.toString(), is(srcString));
}
/**
* @throws Exception
*/
@Test
public void testReaderToStringBuilder() throws Exception {
int result = copy(reader, builder);
assertThat(result, is(srcString.length()));
assertThat(new String(builder), is(srcString));
}
/**
* @throws Exception
*/
@Test
public void testUrlToWriter() throws Exception {
int result = copy(url, "UTF-8", writer);
assertThat(result, is(urlString.length()));
assertThat(writer.toString(), is(urlString));
}
/**
* @throws Exception
*/
@Test
public void testFileToWriter() throws Exception {
int result = copy(inputFile, "UTF-8", writer);
assertThat(result, is(urlString.length()));
assertThat(writer.toString(), is(urlString));
}
/**
* @throws Exception
*/
@Test
public void testFileToFile() throws Exception {
int result = copy(inputFile, outputFile);
assertThat(result, is(urlString.getBytes("UTF-8").length));
result = copy(outputFile, "UTF-8", writer);
assertThat(writer.toString(), is(urlString));
}
/**
* @throws Exception
*/
@Test
public void testFileToFile_Encoding() throws Exception {
int result = copy(inputFile, "UTF-8", outputFile, "Shift_JIS");
assertThat(result, is(urlString.length()));
result = copy(outputFile, "Shift_JIS", writer);
assertThat(writer.toString(), is(urlString));
}
/**
* @throws Exception
*/
@Test
public void testUrlToFile() throws Exception {
int result = copy(url, outputFile);
assertThat(result, is(urlString.getBytes("UTF-8").length));
result = copy(outputFile, "UTF-8", writer);
assertThat(writer.toString(), is(urlString));
}
}