// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// POSSIBILITY OF SUCH DAMAGE.

package jodd.servlet.filter;

import org.junit.Test;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponseWrapper;
import java.io.IOException;
import java.io.PrintWriter;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class ByteArrayResponseWrapperTest {

	@Test
	public void testWrite() throws IOException {
		HttpServletResponseWrapper rw = mock(HttpServletResponseWrapper.class);
		ServletOutputStream os = mock(ServletOutputStream.class);

		when(rw.getOutputStream()).thenReturn(os);

		ByteArrayResponseWrapper wrappedResponse = new ByteArrayResponseWrapper(rw);

		wrappedResponse.getWriter().print("first");

		assertEquals(5, wrappedResponse.getBufferSize());

		byte[] bytes = wrappedResponse.toByteArray();
		assertEquals("first", new String(bytes));

		ServletOutputStream sos = wrappedResponse.getOutputStream();

		sos.print(173);
		sos.print("WOW");

		bytes = wrappedResponse.toByteArray();
		assertEquals("first173WOW", new String(bytes));

		PrintWriter pw = wrappedResponse.getWriter();
		pw.write("YYZ");
		pw.flush();

		bytes = wrappedResponse.toByteArray();
		assertEquals("first173WOWYYZ", new String(bytes));
	}
}
