/*
* $HeadURL$
* $Revision$
* $Date$
*
* ====================================================================
*
* Copyright 1999-2006 The Apache Software Foundation
*
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.http.entity;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import org.apache.http.protocol.HTTP;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Unit tests for {@link InputStreamEntity}.
*
* @author Oleg Kalnichevski
*/
public class TestInputStreamEntity extends TestCase {
public TestInputStreamEntity(String testName) {
super(testName);
}
public static void main(String args[]) {
String[] testCaseName = { TestInputStreamEntity.class.getName() };
junit.textui.TestRunner.main(testCaseName);
}
public static Test suite() {
return new TestSuite(TestInputStreamEntity.class);
}
public void testBasics() throws Exception {
byte[] bytes = "Message content".getBytes(HTTP.ISO_8859_1);
InputStream instream = new ByteArrayInputStream(bytes);
InputStreamEntity httpentity = new InputStreamEntity(instream, bytes.length);
assertEquals(bytes.length, httpentity.getContentLength());
assertEquals(instream, httpentity.getContent());
assertNotNull(httpentity.getContent());
assertFalse(httpentity.isRepeatable());
assertTrue(httpentity.isStreaming());
}
public void testIllegalConstructor() throws Exception {
try {
new InputStreamEntity(null, 0);
fail("IllegalArgumentException should have been thrown");
} catch (IllegalArgumentException ex) {
// expected
}
}
public void testWriteTo() throws Exception {
byte[] bytes = "Message content".getBytes(HTTP.ISO_8859_1);
InputStream instream = new ByteArrayInputStream(bytes);
InputStreamEntity httpentity = new InputStreamEntity(instream, 7);
ByteArrayOutputStream out = new ByteArrayOutputStream();
httpentity.writeTo(out);
byte[] bytes2 = out.toByteArray();
assertNotNull(bytes2);
assertEquals(7, bytes2.length);
String s = new String(bytes2, HTTP.ISO_8859_1);
assertEquals("Message", s);
instream = new ByteArrayInputStream(bytes);
httpentity = new InputStreamEntity(instream, 20);
out = new ByteArrayOutputStream();
httpentity.writeTo(out);
bytes2 = out.toByteArray();
assertNotNull(bytes2);
assertEquals(bytes.length, bytes2.length);
assertFalse(httpentity.isStreaming());
instream = new ByteArrayInputStream(bytes);
httpentity = new InputStreamEntity(instream, -1);
out = new ByteArrayOutputStream();
httpentity.writeTo(out);
bytes2 = out.toByteArray();
assertNotNull(bytes2);
assertEquals(bytes.length, bytes2.length);
assertFalse(httpentity.isStreaming());
try {
httpentity.writeTo(null);
fail("IllegalArgumentException should have been thrown");
} catch (IllegalArgumentException ex) {
// expected
}
}
public void testConsume() throws Exception {
byte[] bytes = "Message content".getBytes(HTTP.ISO_8859_1);
InputStream instream = new ByteArrayInputStream(bytes);
InputStreamEntity httpentity = new InputStreamEntity(instream, -1);
assertTrue(httpentity.isStreaming());
httpentity.consumeContent();
assertFalse(httpentity.isStreaming());
httpentity.consumeContent();
assertFalse(httpentity.isStreaming());
}
}