@Test
public void testDoFilterGzipResponseCompression() throws Exception {
MockHttpServletRequest request =
new MockHttpServletRequest(HttpMethod.POST.name(), "http://localhost:8080/gzip");
request.addHeader(HttpHeaders.ACCEPT_ENCODING, "gzip");
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain filterChain =
new MockFilterChain(
servlet,
new GzipServletFilter(),
new OncePerRequestFilter() {
@Override
protected void doFilterInternal(
HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
response.getOutputStream().write("Should be compressed".getBytes());
}
});
filterChain.doFilter(request, response);
ByteArrayOutputStream unzippedStream = new ByteArrayOutputStream();
StreamUtils.copy(
new GZIPInputStream(new ByteArrayInputStream(response.getContentAsByteArray())),
unzippedStream);
String unzipped = new String(unzippedStream.toByteArray());
Assert.assertEquals(unzipped, "Should be compressed");
}
@Test
public void testDoFilterNoCompression() throws Exception {
MockHttpServletRequest request =
new MockHttpServletRequest(HttpMethod.POST.name(), "http://localhost:8080/gzip");
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain filterChain =
new MockFilterChain(
servlet,
new GzipServletFilter(),
new OncePerRequestFilter() {
@Override
protected void doFilterInternal(
HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
response.getOutputStream().write("Should be compressed".getBytes());
}
});
filterChain.doFilter(request, response);
String unzipped = new String(response.getContentAsByteArray());
Assert.assertEquals(unzipped, "Should be compressed");
}