package com.epam.wilma.webapp.stub.response.processor.fis;
/*==========================================================================
Copyright 2013-2017 EPAM Systems
This file is part of Wilma.
Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Wilma is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wilma. If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/
import static org.mockito.BDDMockito.given;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.testng.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.epam.wilma.compression.fis.FastInfosetCompressionService;
/**
* Tests for {@link FastInfosetCompressorProcessor}.
* @author Tamas_Bihari
*
*/
public class FastInfosetCompressorProcessorTest {
private static final String ACCEPT_VALUE_XML = "application/xml";
private static final String RESPONSE_BODY = "RESPONSE_BODY";
private static final String ACCEPT_HEADER_KEY = "Accept";
private static final String ACCEPT_VALUE_FASTINFOSET = "application/fastinfoset";
@Mock
private FastInfosetCompressionService fastInfosetCompressor;
@Mock
private HttpServletRequest req;
@Mock
private HttpServletResponse resp;
@Mock
private ByteArrayOutputStream outputStream;
@InjectMocks
private FastInfosetCompressorProcessor underTest;
@BeforeMethod
public void setUp() {
MockitoAnnotations.initMocks(this);
}
@Test
public void testProcessShouldCheckAcceptHeaderOfTheRequest() {
//GIVEN
given(resp.getContentType()).willReturn(ACCEPT_VALUE_XML);
//WHEN
underTest.process(req, resp, RESPONSE_BODY.getBytes());
//THEN
verify(req).getHeader(ACCEPT_HEADER_KEY);
}
@Test
public void testProcessShouldDoNothingWhenResponseFISCompressionIsNotNeeded() {
//GIVEN
given(resp.getContentType()).willReturn("html");
given(req.getHeader(ACCEPT_HEADER_KEY)).willReturn(ACCEPT_VALUE_XML);
//WHEN
underTest.process(req, resp, RESPONSE_BODY.getBytes());
//THEN
verify(fastInfosetCompressor, times(0)).compress(any(ByteArrayInputStream.class));
verify(resp, times(0)).setHeader(ACCEPT_HEADER_KEY, ACCEPT_VALUE_FASTINFOSET);
}
@Test
public void testProcessShouldDoNothingWhenResponseFISCompressionIsNotNeededBecauseOfRequestHeader() {
//GIVEN
given(resp.getContentType()).willReturn(ACCEPT_VALUE_XML);
given(req.getHeader(ACCEPT_HEADER_KEY)).willReturn(ACCEPT_VALUE_XML);
//WHEN
underTest.process(req, resp, RESPONSE_BODY.getBytes());
//THEN
verify(fastInfosetCompressor, times(0)).compress(any(ByteArrayInputStream.class));
verify(resp, times(0)).setHeader(ACCEPT_HEADER_KEY, ACCEPT_VALUE_FASTINFOSET);
}
@Test
public void testProcessShouldDoNothingWhenResponseFISCompressionIsNotNeededBecauseOfRespContentType() {
//GIVEN
given(resp.getContentType()).willReturn("html");
given(req.getHeader(ACCEPT_HEADER_KEY)).willReturn(ACCEPT_VALUE_FASTINFOSET);
//WHEN
underTest.process(req, resp, RESPONSE_BODY.getBytes());
//THEN
verify(fastInfosetCompressor, times(0)).compress(any(ByteArrayInputStream.class));
verify(resp, times(0)).setHeader(ACCEPT_HEADER_KEY, ACCEPT_VALUE_FASTINFOSET);
}
@Test
public void testProcessShouldCompressResponseBodyAndSetContentTypeWhenResponseFISCompressionIsNeeded() {
//GIVEN
given(resp.getContentType()).willReturn(ACCEPT_VALUE_XML);
given(req.getHeader(ACCEPT_HEADER_KEY)).willReturn(ACCEPT_VALUE_FASTINFOSET);
given(fastInfosetCompressor.compress(any(ByteArrayInputStream.class))).willReturn(outputStream);
given(outputStream.toByteArray()).willReturn(RESPONSE_BODY.getBytes());
//WHEN
byte[] actual = underTest.process(req, resp, RESPONSE_BODY.getBytes());
//THEN
verify(resp).setContentType(ACCEPT_VALUE_FASTINFOSET);
assertEquals(actual, RESPONSE_BODY.getBytes());
}
@Test
public void testProcessShouldCompressResponseBodyAndSetContentTypeWhenContentTypeIsFastinfoset() {
//GIVEN
given(resp.getContentType()).willReturn(ACCEPT_VALUE_FASTINFOSET);
given(req.getHeader(ACCEPT_HEADER_KEY)).willReturn(ACCEPT_VALUE_FASTINFOSET);
given(fastInfosetCompressor.compress(any(ByteArrayInputStream.class))).willReturn(outputStream);
given(outputStream.toByteArray()).willReturn(RESPONSE_BODY.getBytes());
//WHEN
byte[] actual = underTest.process(req, resp, RESPONSE_BODY.getBytes());
//THEN
verify(resp).setContentType(ACCEPT_VALUE_FASTINFOSET);
assertEquals(actual, RESPONSE_BODY.getBytes());
}
}