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Spring Framework example source code file (MockHttpServletResponseTests.java)

This example Spring Framework source code file (MockHttpServletResponseTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

character, header1, http, io, ioexception, ioexception, mockhttpservletresponse, mockhttpservletresponse, string, testcase, utf-8, utf-8, util, x, x, xy

The Spring Framework MockHttpServletResponseTests.java source code

/*
 * Copyright 2002-2007 the original author or 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 org.springframework.mock.web;

import java.io.IOException;
import java.util.Arrays;
import java.util.Set;

import junit.framework.TestCase;

import org.springframework.web.util.WebUtils;

/**
 * @author Juergen Hoeller
 * @author Rick Evans
 * @since 19.02.2006
 */
public class MockHttpServletResponseTests extends TestCase {

	public void testSetContentTypeWithNoEncoding() {
		MockHttpServletResponse response = new MockHttpServletResponse();
		response.setContentType("test/plain");
		assertEquals("Character encoding should be the default",
				WebUtils.DEFAULT_CHARACTER_ENCODING, response.getCharacterEncoding());
	}

	public void testSetContentTypeWithUTF8() {
		MockHttpServletResponse response = new MockHttpServletResponse();
		response.setContentType("test/plain; charset=UTF-8");
		assertEquals("Character encoding should be 'UTF-8'", "UTF-8", response.getCharacterEncoding());
	}

	public void testHttpHeaderNameCasingIsPreserved() throws Exception {
		final String headerName = "Header1";

		MockHttpServletResponse response = new MockHttpServletResponse();
		response.addHeader(headerName, "value1");
		Set responseHeaders = response.getHeaderNames();
		assertNotNull(responseHeaders);
		assertEquals(1, responseHeaders.size());
		assertEquals("HTTP header casing not being preserved", headerName, responseHeaders.iterator().next());
	}

	public void testServletOutputStreamCommittedWhenBufferSizeExceeded() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		assertFalse(response.isCommitted());
		response.getOutputStream().write('X');
		assertFalse(response.isCommitted());
		int size = response.getBufferSize();
		response.getOutputStream().write(new byte[size]);
		assertTrue(response.isCommitted());
		assertEquals(size + 1, response.getContentAsByteArray().length);
	}

	public void testServletOutputStreamCommittedOnFlushBuffer() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		assertFalse(response.isCommitted());
		response.getOutputStream().write('X');
		assertFalse(response.isCommitted());
		response.flushBuffer();
		assertTrue(response.isCommitted());
		assertEquals(1, response.getContentAsByteArray().length);
	}

	public void testServletWriterCommittedWhenBufferSizeExceeded() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		assertFalse(response.isCommitted());
		response.getWriter().write("X");
		assertFalse(response.isCommitted());
		int size = response.getBufferSize();
		char[] data = new char[size];
		Arrays.fill(data, 'p');
		response.getWriter().write(data);
		assertTrue(response.isCommitted());
		assertEquals(size + 1, response.getContentAsByteArray().length);
	}

	public void testServletOutputStreamCommittedOnOutputStreamFlush() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		assertFalse(response.isCommitted());
		response.getOutputStream().write('X');
		assertFalse(response.isCommitted());
		response.getOutputStream().flush();
		assertTrue(response.isCommitted());
		assertEquals(1, response.getContentAsByteArray().length);
	}

	public void testServletWriterCommittedOnWriterFlush() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		assertFalse(response.isCommitted());
		response.getWriter().write("X");
		assertFalse(response.isCommitted());
		response.getWriter().flush();
		assertTrue(response.isCommitted());
		assertEquals(1, response.getContentAsByteArray().length);
	}

	public void testServletWriterAutoFlushedForString() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		response.getWriter().write("X");
		assertEquals("X", response.getContentAsString());
	}

	public void testServletWriterAutoFlushedForChar() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		response.getWriter().write('X');
		assertEquals("X", response.getContentAsString());
	}

	public void testServletWriterAutoFlushedForCharArray() throws IOException {
		MockHttpServletResponse response = new MockHttpServletResponse();
		response.getWriter().write("XY".toCharArray());
		assertEquals("XY", response.getContentAsString());
	}

}

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