/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import junit.framework.TestCase;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.impl.DefaultExchange;
/**
* @version
*/
public class IOHelperTest extends TestCase {
public void testIOException() {
IOException io = new IOException("Damn", new IllegalArgumentException("Damn"));
assertEquals("Damn", io.getMessage());
assertTrue(io.getCause() instanceof IllegalArgumentException);
}
public void testIOExceptionWithMessage() {
IOException io = new IOException("Not again", new IllegalArgumentException("Damn"));
assertEquals("Not again", io.getMessage());
assertTrue(io.getCause() instanceof IllegalArgumentException);
}
public void testNewStringFromBytes() {
String s = IOHelper.newStringFromBytes("Hello".getBytes());
assertEquals("Hello", s);
}
public void testNewStringFromBytesWithStart() {
String s = IOHelper.newStringFromBytes("Hello".getBytes(), 2, 3);
assertEquals("llo", s);
}
public void testCopyAndCloseInput() throws Exception {
InputStream is = new ByteArrayInputStream("Hello".getBytes());
OutputStream os = new ByteArrayOutputStream();
IOHelper.copyAndCloseInput(is, os, 256);
}
public void testCharsetNormalize() throws Exception {
assertEquals("UTF-8", IOHelper.normalizeCharset("'UTF-8'"));
assertEquals("UTF-8", IOHelper.normalizeCharset("\"UTF-8\""));
assertEquals("UTF-8", IOHelper.normalizeCharset("\"UTF-8 \""));
assertEquals("UTF-8", IOHelper.normalizeCharset("\' UTF-8\'"));
}
public void testLine1() throws Exception {
assertReadAsWritten("line1", "line1", "line1\n");
}
public void testLine1LF() throws Exception {
assertReadAsWritten("line1LF", "line1\n", "line1\n");
}
public void testLine2() throws Exception {
assertReadAsWritten("line2", "line1\nline2", "line1\nline2\n");
}
public void testLine2LF() throws Exception {
assertReadAsWritten("line2LF", "line1\nline2\n", "line1\nline2\n");
}
private void assertReadAsWritten(String testname, String text, String compareText) throws Exception {
File file = tempFile(testname);
write(file, text);
String loadText = IOHelper.loadText(new FileInputStream(file));
assertEquals(compareText, loadText);
}
private File tempFile(String testname) throws Exception {
return File.createTempFile(testname, "");
}
private void write(File file, String text) throws Exception {
PrintWriter out = new PrintWriter(file);
out.print(text);
out.close();
}
public void testCharsetName() throws Exception {
Exchange exchange = new DefaultExchange((CamelContext) null);
assertNull(IOHelper.getCharsetName(exchange, false));
exchange.getIn().setHeader(Exchange.CHARSET_NAME, "iso-8859-1");
assertEquals("iso-8859-1", IOHelper.getCharsetName(exchange, false));
exchange.getIn().removeHeader(Exchange.CHARSET_NAME);
exchange.setProperty(Exchange.CHARSET_NAME, "iso-8859-1");
assertEquals("iso-8859-1", IOHelper.getCharsetName(exchange, false));
}
public void testGetCharsetNameFromContentType() throws Exception {
String charsetName = IOHelper.getCharsetNameFromContentType("text/html; charset=iso-8859-1");
assertEquals("iso-8859-1", charsetName);
charsetName = IOHelper.getCharsetNameFromContentType("text/html");
assertEquals("UTF-8", charsetName);
}
}