@Test public void testMessageContentsNotAvailableWithoutAggregation() throws IOException { mockServer .when(request().withMethod("GET").withPath("/endpoint"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.start(); final AtomicBoolean requestContentsNull = new AtomicBoolean(false); final AtomicBoolean responseContentsNull = new AtomicBoolean(false); proxy.addFirstHttpFilterFactory( new RequestFilterAdapter.FilterSource( new RequestFilter() { @Override public HttpResponse filterRequest( HttpRequest request, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (contents == null) { requestContentsNull.set(true); } return null; } }, 0)); proxy.addFirstHttpFilterFactory( new ResponseFilterAdapter.FilterSource( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (contents == null) { responseContentsNull.set(true); } } }, 0)); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute(new HttpGet("http://localhost:" + mockServerPort + "/endpoint")); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertTrue( "Expected HttpMessageContents to be null in RequestFilter because HTTP message aggregation is disabled", requestContentsNull.get()); assertTrue( "Expected HttpMessageContents to be null in ResponseFilter because HTTP message aggregation is disabled", responseContentsNull.get()); } }
/** Helper method for executing response modification tests. */ private void testModifiedResponse(final String originalText, final String newText) throws IOException { mockServer .when(request().withMethod("GET").withPath("/modifyresponse"), Times.exactly(1)) .respond( response() .withStatusCode(200) .withHeader(new Header(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=utf-8")) .withBody(originalText)); proxy = new BrowserMobProxyServer(); proxy.start(); proxy.addFirstHttpFilterFactory( new HttpFiltersSourceAdapter() { @Override public HttpFilters filterRequest(HttpRequest originalRequest) { return new HttpFiltersAdapter(originalRequest) { @Override public HttpObject proxyToClientResponse(HttpObject httpObject) { if (httpObject instanceof FullHttpResponse) { FullHttpResponse httpResponseAndContent = (FullHttpResponse) httpObject; String bodyContent = HttpObjectUtil.extractHttpEntityBody(httpResponseAndContent); if (bodyContent.equals(originalText)) { HttpObjectUtil.replaceTextHttpEntityBody(httpResponseAndContent, newText); } } return super.proxyToClientResponse(httpObject); } }; } @Override public int getMaximumResponseBufferSizeInBytes() { return 10000; } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute(new HttpGet("http://localhost:" + mockServerPort + "/modifyresponse")); String responseBody = NewProxyServerTestUtil.toStringAndClose(response.getEntity().getContent()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals("Did not receive expected response from mock server", newText, responseBody); } }
@Test public void testResponseFilterOriginalRequestNotModified() throws IOException { mockServer .when(request().withMethod("GET").withPath("/modifiedendpoint"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.start(); proxy.addRequestFilter( new RequestFilter() { @Override public HttpResponse filterRequest( HttpRequest request, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (request.getUri().endsWith("/originalendpoint")) { request.setUri(request.getUri().replaceAll("originalendpoint", "modifiedendpoint")); } return null; } }); final AtomicReference<String> originalRequestUri = new AtomicReference<>(); proxy.addResponseFilter( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { originalRequestUri.set(messageInfo.getOriginalRequest().getUri()); } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute( new HttpGet("http://localhost:" + mockServerPort + "/originalendpoint")); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertThat( "Expected URI on originalRequest to match actual URI of original HTTP request", originalRequestUri.get(), endsWith("/originalendpoint")); } }
@Test public void testCanModifyRequest() throws IOException { mockServer .when(request().withMethod("GET").withPath("/modifyrequest"), Times.exactly(1)) .respond( response() .withStatusCode(200) .withHeader(new Header(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=utf-8")) .withBody("success")); proxy = new BrowserMobProxyServer(); proxy.start(); proxy.addFirstHttpFilterFactory( new HttpFiltersSourceAdapter() { @Override public HttpFilters filterRequest(HttpRequest originalRequest) { return new HttpFiltersAdapter(originalRequest) { @Override public HttpResponse clientToProxyRequest(HttpObject httpObject) { if (httpObject instanceof HttpRequest) { HttpRequest httpRequest = (HttpRequest) httpObject; httpRequest.setUri( httpRequest.getUri().replace("/originalrequest", "/modifyrequest")); } return super.clientToProxyRequest(httpObject); } }; } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute( new HttpGet("http://localhost:" + mockServerPort + "/originalrequest")); String responseBody = NewProxyServerTestUtil.toStringAndClose(response.getEntity().getContent()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals("Did not receive expected response from mock server", "success", responseBody); } }
@Test public void testResponseFilterCanModifyHttpsTextContents() throws IOException { final String originalText = "The quick brown fox jumps over the lazy dog"; final String newText = "The quick brown fox jumped."; mockServer .when(request().withMethod("GET").withPath("/modifyresponse"), Times.exactly(1)) .respond( response() .withStatusCode(200) .withHeader(new Header(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=utf-8")) .withBody(originalText)); proxy = new BrowserMobProxyServer(); proxy.setTrustAllServers(true); proxy.start(); proxy.addResponseFilter( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (contents.isText()) { if (contents.getTextContents().equals(originalText)) { contents.setTextContents(newText); } } } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { HttpGet request = new HttpGet("https://localhost:" + mockServerPort + "/modifyresponse"); request.addHeader("Accept-Encoding", "gzip"); CloseableHttpResponse response = httpClient.execute(request); String responseBody = NewProxyServerTestUtil.toStringAndClose(response.getEntity().getContent()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals("Did not receive expected response from mock server", newText, responseBody); } }
@Test public void testRequestFilterCanModifyHttpsRequestBody() throws IOException { final String originalText = "original body"; final String newText = "modified body"; mockServer .when( request().withMethod("PUT").withPath("/modifyrequest").withBody(newText), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.setTrustAllServers(true); proxy.start(); proxy.addRequestFilter( new RequestFilter() { @Override public HttpResponse filterRequest( HttpRequest request, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (contents.isText()) { if (contents.getTextContents().equals(originalText)) { contents.setTextContents(newText); } } return null; } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { HttpPut request = new HttpPut("https://localhost:" + mockServerPort + "/modifyrequest"); request.setEntity(new StringEntity(originalText)); CloseableHttpResponse response = httpClient.execute(request); String responseBody = NewProxyServerTestUtil.toStringAndClose(response.getEntity().getContent()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals("Did not receive expected response from mock server", "success", responseBody); } }
@Test public void testMitmDisabledHttpsRequestFilterNotAvailable() throws IOException { mockServer .when(request().withMethod("GET").withPath("/mitmdisabled"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.setMitmDisabled(true); proxy.start(); final AtomicBoolean connectRequestFilterFired = new AtomicBoolean(false); final AtomicBoolean getRequestFilterFired = new AtomicBoolean(false); proxy.addRequestFilter( new RequestFilter() { @Override public HttpResponse filterRequest( HttpRequest request, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (request.getMethod().equals(HttpMethod.CONNECT)) { connectRequestFilterFired.set(true); } else if (request.getMethod().equals(HttpMethod.GET)) { getRequestFilterFired.set(true); } return null; } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute(new HttpGet("https://localhost:" + mockServerPort + "/mitmdisabled")); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertTrue("Expected request filter to fire on CONNECT", connectRequestFilterFired.get()); assertFalse( "Expected request filter to fail to fire on GET because MITM is disabled", getRequestFilterFired.get()); } }
@Test public void testResponseFilterCanModifyBinaryContents() throws IOException { final byte[] originalBytes = new byte[] {1, 2, 3, 4, 5}; final byte[] newBytes = new byte[] {20, 30, 40, 50, 60}; mockServer .when(request().withMethod("GET").withPath("/modifyresponse"), Times.exactly(1)) .respond( response() .withStatusCode(200) .withHeader(new Header(HttpHeaders.Names.CONTENT_TYPE, "application/octet-stream")) .withBody(originalBytes)); proxy = new BrowserMobProxyServer(); proxy.start(); proxy.addResponseFilter( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (!contents.isText()) { if (Arrays.equals(originalBytes, contents.getBinaryContents())) { contents.setBinaryContents(newBytes); } } } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { HttpGet request = new HttpGet("http://localhost:" + mockServerPort + "/modifyresponse"); CloseableHttpResponse response = httpClient.execute(request); byte[] responseBytes = org.apache.commons.io.IOUtils.toByteArray(response.getEntity().getContent()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertThat( "Did not receive expected response from mock server", responseBytes, equalTo(newBytes)); } }
@Test public void testMitmDisabledHttpsResponseFilterNotAvailable() throws IOException { mockServer .when(request().withMethod("GET").withPath("/mitmdisabled"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.setMitmDisabled(true); proxy.start(); // unlike the request filter, the response filter doesn't fire when the 200 response to the // CONNECT is sent to the client. // this is because the response filter is triggered when the serverToProxyResponse() filtering // method is called, and // the "200 Connection established" is generated by the proxy itself. final AtomicBoolean responseFilterFired = new AtomicBoolean(false); proxy.addResponseFilter( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { responseFilterFired.set(true); } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute(new HttpGet("https://localhost:" + mockServerPort + "/mitmdisabled")); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertFalse( "Expected response filter to fail to fire because MITM is disabled", responseFilterFired.get()); } }
@Test public void testResponseInterceptorWithoutBody() throws IOException { mockServer .when(request().withMethod("HEAD").withPath("/interceptortest"), Times.exactly(1)) .respond( response() .withStatusCode(200) .withHeader( new Header(HttpHeaders.Names.CONTENT_TYPE, "application/octet-stream"))); proxy = new BrowserMobProxyServer(); proxy.start(); final AtomicReference<byte[]> responseContents = new AtomicReference<>(); proxy.addResponseFilter( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { responseContents.set(contents.getBinaryContents()); } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute( new HttpHead("http://localhost:" + mockServerPort + "/interceptortest")); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals( "Expected binary contents captured in interceptor to be empty", 0, responseContents.get().length); } }
@Test public void testHttpsResponseFilterUrlReflectsModifications() throws IOException { mockServer .when(request().withMethod("GET").withPath("/urlreflectsmodifications"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.setTrustAllServers(true); proxy.start(); final AtomicReference<String> requestFilterOriginalUrl = new AtomicReference<>(); final AtomicReference<String> requestFilterUrl = new AtomicReference<>(); proxy.addRequestFilter( new RequestFilter() { @Override public HttpResponse filterRequest( HttpRequest request, HttpMessageContents contents, HttpMessageInfo messageInfo) { requestFilterOriginalUrl.set(messageInfo.getOriginalUrl()); requestFilterUrl.set(messageInfo.getUrl()); return null; } }); // request filters get added to the beginning of the filter chain, so add this uri-modifying // request filter after // adding the capturing request filter above. proxy.addRequestFilter( new RequestFilter() { @Override public HttpResponse filterRequest( HttpRequest request, HttpMessageContents contents, HttpMessageInfo messageInfo) { if (request.getUri().endsWith("/originalurl")) { String newUrl = request.getUri().replaceAll("originalurl", "urlreflectsmodifications"); request.setUri(newUrl); } return null; } }); final AtomicReference<String> responseFilterOriginalUrl = new AtomicReference<>(); final AtomicReference<String> responseFilterUrl = new AtomicReference<>(); proxy.addResponseFilter( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { responseFilterOriginalUrl.set(messageInfo.getOriginalUrl()); responseFilterUrl.set(messageInfo.getUrl()); } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { String originalRequestUrl = "https://localhost:" + mockServerPort + "/originalurl"; String modifiedRequestUrl = "https://localhost:" + mockServerPort + "/urlreflectsmodifications"; CloseableHttpResponse response = httpClient.execute(new HttpGet(originalRequestUrl)); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals( "Expected originalUrl in request filter to match actual request URL", originalRequestUrl, requestFilterOriginalUrl.get()); assertEquals( "Expected url in request filter to match modified request URL", modifiedRequestUrl, requestFilterUrl.get()); assertEquals( "Expected originalUrl in response filter to match actual request URL", originalRequestUrl, responseFilterOriginalUrl.get()); assertEquals( "Expected url in response filter to match modified request URL", modifiedRequestUrl, responseFilterUrl.get()); } }
@Test public void testHttpResponseFilterMessageInfoPopulated() throws IOException { mockServer .when( request() .withMethod("GET") .withPath("/httpmessageinfopopulated") .withQueryStringParameter("param1", "value1"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.start(); final AtomicReference<ChannelHandlerContext> requestCtx = new AtomicReference<>(); final AtomicReference<HttpRequest> requestOriginalRequest = new AtomicReference<>(); final AtomicBoolean requestIsHttps = new AtomicBoolean(false); final AtomicReference<String> requestFilterOriginalUrl = new AtomicReference<>(); final AtomicReference<String> requestFilterUrl = new AtomicReference<>(); proxy.addRequestFilter( new RequestFilter() { @Override public HttpResponse filterRequest( HttpRequest request, HttpMessageContents contents, HttpMessageInfo messageInfo) { requestCtx.set(messageInfo.getChannelHandlerContext()); requestOriginalRequest.set(messageInfo.getOriginalRequest()); requestIsHttps.set(messageInfo.isHttps()); requestFilterOriginalUrl.set(messageInfo.getOriginalUrl()); requestFilterUrl.set(messageInfo.getUrl()); return null; } }); final AtomicReference<ChannelHandlerContext> responseCtx = new AtomicReference<>(); final AtomicReference<HttpRequest> responseOriginalRequest = new AtomicReference<>(); final AtomicBoolean responseIsHttps = new AtomicBoolean(false); final AtomicReference<String> responseFilterOriginalUrl = new AtomicReference<>(); final AtomicReference<String> responseFilterUrl = new AtomicReference<>(); proxy.addResponseFilter( new ResponseFilter() { @Override public void filterResponse( HttpResponse response, HttpMessageContents contents, HttpMessageInfo messageInfo) { responseCtx.set(messageInfo.getChannelHandlerContext()); responseOriginalRequest.set(messageInfo.getOriginalRequest()); responseIsHttps.set(messageInfo.isHttps()); responseFilterOriginalUrl.set(messageInfo.getOriginalUrl()); responseFilterUrl.set(messageInfo.getUrl()); } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { String requestUrl = "http://localhost:" + mockServerPort + "/httpmessageinfopopulated?param1=value1"; CloseableHttpResponse response = httpClient.execute(new HttpGet(requestUrl)); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertNotNull( "Expected ChannelHandlerContext to be populated in request filter", requestCtx.get()); assertNotNull( "Expected originalRequest to be populated in request filter", requestOriginalRequest.get()); assertFalse("Expected isHttps to return false in request filter", requestIsHttps.get()); assertEquals( "Expected originalUrl in request filter to match actual request URL", requestUrl, requestFilterOriginalUrl.get()); assertEquals( "Expected url in request filter to match actual request URL", requestUrl, requestFilterUrl.get()); assertNotNull( "Expected ChannelHandlerContext to be populated in response filter", responseCtx.get()); assertNotNull( "Expected originalRequest to be populated in response filter", responseOriginalRequest.get()); assertFalse("Expected isHttps to return false in response filter", responseIsHttps.get()); assertEquals( "Expected originalUrl in response filter to match actual request URL", requestUrl, responseFilterOriginalUrl.get()); assertEquals( "Expected url in response filter to match actual request URL", requestUrl, responseFilterUrl.get()); } }
@Test public void testCanBypassFilterForRequest() throws IOException, InterruptedException { mockServer .when(request().withMethod("GET").withPath("/bypassfilter"), Times.exactly(2)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.start(); final AtomicInteger filtersSourceHitCount = new AtomicInteger(); final AtomicInteger filterHitCount = new AtomicInteger(); proxy.addFirstHttpFilterFactory( new HttpFiltersSourceAdapter() { @Override public HttpFilters filterRequest(HttpRequest originalRequest) { if (filtersSourceHitCount.getAndIncrement() == 0) { return null; } else { return new HttpFiltersAdapter(originalRequest) { @Override public void serverToProxyResponseReceived() { filterHitCount.incrementAndGet(); } }; } } }); // during the first request, the filterRequest(...) method should return null, which will // prevent the filter instance from // being added to the filter chain try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute(new HttpGet("http://localhost:" + mockServerPort + "/bypassfilter")); String responseBody = NewProxyServerTestUtil.toStringAndClose(response.getEntity().getContent()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals("Did not receive expected response from mock server", "success", responseBody); } Thread.sleep(500); assertEquals( "Expected filters source to be invoked on first request", 1, filtersSourceHitCount.get()); assertEquals( "Expected filter instance to be bypassed on first request", 0, filterHitCount.get()); // during the second request, the filterRequest(...) method will return a filter instance, which // should be invoked during processing try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute(new HttpGet("http://localhost:" + mockServerPort + "/bypassfilter")); String responseBody = NewProxyServerTestUtil.toStringAndClose(response.getEntity().getContent()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals("Did not receive expected response from mock server", "success", responseBody); } Thread.sleep(500); assertEquals( "Expected filters source to be invoked again on second request", 2, filtersSourceHitCount.get()); assertEquals( "Expected filter instance to be invoked on second request (only)", 1, filterHitCount.get()); }
@Test public void testCanShortCircuitResponse() throws IOException { mockServer .when(request().withMethod("GET").withPath("/regular200"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); // this response should be "short-circuited" by the interceptor mockServer .when(request().withMethod("GET").withPath("/shortcircuit204"), Times.exactly(1)) .respond(response().withStatusCode(200).withBody("success")); proxy = new BrowserMobProxyServer(); proxy.start(); final AtomicBoolean interceptorFired = new AtomicBoolean(false); final AtomicBoolean shortCircuitFired = new AtomicBoolean(false); proxy.addFirstHttpFilterFactory( new HttpFiltersSourceAdapter() { @Override public HttpFilters filterRequest(HttpRequest originalRequest) { return new HttpFiltersAdapter(originalRequest) { @Override public HttpResponse clientToProxyRequest(HttpObject httpObject) { if (httpObject instanceof HttpRequest) { interceptorFired.set(true); HttpRequest httpRequest = (HttpRequest) httpObject; if (httpRequest.getMethod().equals(HttpMethod.GET) && httpRequest.getUri().contains("/shortcircuit204")) { HttpResponse httpResponse = new DefaultHttpResponse( httpRequest.getProtocolVersion(), HttpResponseStatus.NO_CONTENT); shortCircuitFired.set(true); return httpResponse; } } return super.clientToProxyRequest(httpObject); } }; } }); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute(new HttpGet("http://localhost:" + mockServerPort + "/regular200")); String responseBody = NewProxyServerTestUtil.toStringAndClose(response.getEntity().getContent()); assertTrue("Expected interceptor to fire", interceptorFired.get()); assertFalse( "Did not expected short circuit interceptor code to execute", shortCircuitFired.get()); assertEquals( "Expected server to return a 200", 200, response.getStatusLine().getStatusCode()); assertEquals("Did not receive expected response from mock server", "success", responseBody); } interceptorFired.set(false); try (CloseableHttpClient httpClient = NewProxyServerTestUtil.getNewHttpClient(proxy.getPort())) { CloseableHttpResponse response = httpClient.execute( new HttpGet("http://localhost:" + mockServerPort + "/shortcircuit204")); assertTrue("Expected interceptor to fire", interceptorFired.get()); assertTrue("Expected interceptor to short-circuit response", shortCircuitFired.get()); assertEquals( "Expected interceptor to return a 204 (No Content)", 204, response.getStatusLine().getStatusCode()); assertNull("Expected no entity attached to response", response.getEntity()); } }