@Test
public void testNoContentResponse() throws Exception {
final int reqNo = 20;
// Initialize the server-side request handler
this.server.registerHandler(
"*",
new HttpRequestHandler() {
public void handle(
final HttpRequest request, final HttpResponse response, final HttpContext context)
throws HttpException, IOException {
response.setStatusCode(HttpStatus.SC_NO_CONTENT);
}
});
this.server.start();
final DefaultBHttpClientConnection conn = client.createConnection();
final HttpHost host = new HttpHost("localhost", this.server.getPort());
try {
for (int r = 0; r < reqNo; r++) {
if (!conn.isOpen()) {
client.connect(host, conn);
}
final BasicHttpRequest get = new BasicHttpRequest("GET", "/?" + r);
final HttpResponse response = this.client.execute(get, host, conn);
Assert.assertNull(response.getEntity());
if (!this.client.keepAlive(response)) {
conn.close();
Assert.fail("Connection expected to be re-usable");
}
}
// Verify the connection metrics
final HttpConnectionMetrics cm = conn.getMetrics();
Assert.assertEquals(reqNo, cm.getRequestCount());
Assert.assertEquals(reqNo, cm.getResponseCount());
} finally {
conn.close();
this.server.shutdown();
}
}
/**
* This test case executes a series of simple POST requests using the 'expect: continue'
* handshake.
*/
@Test
public void testHttpPostsWithExpectContinue() throws Exception {
final int reqNo = 20;
final Random rnd = new Random();
// Prepare some random data
final List<byte[]> testData = new ArrayList<byte[]>(reqNo);
for (int i = 0; i < reqNo; i++) {
final int size = rnd.nextInt(5000);
final byte[] data = new byte[size];
rnd.nextBytes(data);
testData.add(data);
}
// Initialize the server-side request handler
this.server.registerHandler(
"*",
new HttpRequestHandler() {
public void handle(
final HttpRequest request, final HttpResponse response, final HttpContext context)
throws HttpException, IOException {
if (request instanceof HttpEntityEnclosingRequest) {
final HttpEntity incoming = ((HttpEntityEnclosingRequest) request).getEntity();
final byte[] data = EntityUtils.toByteArray(incoming);
final ByteArrayEntity outgoing = new ByteArrayEntity(data);
outgoing.setChunked(true);
response.setEntity(outgoing);
} else {
final StringEntity outgoing = new StringEntity("No content");
response.setEntity(outgoing);
}
}
});
this.server.start();
// Activate 'expect: continue' handshake
final DefaultBHttpClientConnection conn = client.createConnection();
final HttpHost host = new HttpHost("localhost", this.server.getPort());
try {
for (int r = 0; r < reqNo; r++) {
if (!conn.isOpen()) {
client.connect(host, conn);
}
final BasicHttpEntityEnclosingRequest post =
new BasicHttpEntityEnclosingRequest("POST", "/");
final byte[] data = testData.get(r);
final ByteArrayEntity outgoing = new ByteArrayEntity(data);
outgoing.setChunked(true);
post.setEntity(outgoing);
final HttpResponse response = this.client.execute(post, host, conn);
final byte[] received = EntityUtils.toByteArray(response.getEntity());
final byte[] expected = testData.get(r);
Assert.assertEquals(expected.length, received.length);
for (int i = 0; i < expected.length; i++) {
Assert.assertEquals(expected[i], received[i]);
}
if (!this.client.keepAlive(response)) {
conn.close();
}
}
// Verify the connection metrics
final HttpConnectionMetrics cm = conn.getMetrics();
Assert.assertEquals(reqNo, cm.getRequestCount());
Assert.assertEquals(reqNo, cm.getResponseCount());
} finally {
conn.close();
this.server.shutdown();
}
}
/**
* This test case executes a series of simple POST requests that do not meet the target server
* expectations.
*/
@Test
public void testHttpPostsWithExpectationVerification() throws Exception {
final int reqNo = 3;
// Initialize the server-side request handler
this.server.registerHandler(
"*",
new HttpRequestHandler() {
public void handle(
final HttpRequest request, final HttpResponse response, final HttpContext context)
throws HttpException, IOException {
final StringEntity outgoing = new StringEntity("No content");
response.setEntity(outgoing);
}
});
this.server.setExpectationVerifier(
new HttpExpectationVerifier() {
public void verify(
final HttpRequest request, final HttpResponse response, final HttpContext context)
throws HttpException {
final Header someheader = request.getFirstHeader("Secret");
if (someheader != null) {
int secretNumber;
try {
secretNumber = Integer.parseInt(someheader.getValue());
} catch (final NumberFormatException ex) {
response.setStatusCode(HttpStatus.SC_BAD_REQUEST);
return;
}
if (secretNumber < 2) {
response.setStatusCode(HttpStatus.SC_EXPECTATION_FAILED);
final ByteArrayEntity outgoing =
new ByteArrayEntity(EncodingUtils.getAsciiBytes("Wrong secret number"));
response.setEntity(outgoing);
}
}
}
});
this.server.start();
final DefaultBHttpClientConnection conn = client.createConnection();
final HttpHost host = new HttpHost("localhost", this.server.getPort());
try {
for (int r = 0; r < reqNo; r++) {
if (!conn.isOpen()) {
client.connect(host, conn);
}
final BasicHttpEntityEnclosingRequest post =
new BasicHttpEntityEnclosingRequest("POST", "/");
post.addHeader("Secret", Integer.toString(r));
final ByteArrayEntity outgoing =
new ByteArrayEntity(EncodingUtils.getAsciiBytes("No content " + r));
post.setEntity(outgoing);
final HttpResponse response = this.client.execute(post, host, conn);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
EntityUtils.consume(entity);
if (r < 2) {
Assert.assertEquals(
HttpStatus.SC_EXPECTATION_FAILED, response.getStatusLine().getStatusCode());
} else {
Assert.assertEquals(HttpStatus.SC_OK, response.getStatusLine().getStatusCode());
}
if (!this.client.keepAlive(response)) {
conn.close();
}
}
// Verify the connection metrics
final HttpConnectionMetrics cm = conn.getMetrics();
Assert.assertEquals(reqNo, cm.getRequestCount());
Assert.assertEquals(reqNo, cm.getResponseCount());
} finally {
conn.close();
this.server.shutdown();
}
}
/** This test case executes a series of simple GET requests */
@Test
public void testSimpleBasicHttpRequests() throws Exception {
final int reqNo = 20;
final Random rnd = new Random();
// Prepare some random data
final List<byte[]> testData = new ArrayList<byte[]>(reqNo);
for (int i = 0; i < reqNo; i++) {
final int size = rnd.nextInt(5000);
final byte[] data = new byte[size];
rnd.nextBytes(data);
testData.add(data);
}
// Initialize the server-side request handler
this.server.registerHandler(
"*",
new HttpRequestHandler() {
public void handle(
final HttpRequest request, final HttpResponse response, final HttpContext context)
throws HttpException, IOException {
String s = request.getRequestLine().getUri();
if (s.startsWith("/?")) {
s = s.substring(2);
}
final int index = Integer.parseInt(s);
final byte[] data = testData.get(index);
final ByteArrayEntity entity = new ByteArrayEntity(data);
response.setEntity(entity);
}
});
this.server.start();
final DefaultBHttpClientConnection conn = client.createConnection();
final HttpHost host = new HttpHost("localhost", this.server.getPort());
try {
for (int r = 0; r < reqNo; r++) {
if (!conn.isOpen()) {
client.connect(host, conn);
}
final BasicHttpRequest get = new BasicHttpRequest("GET", "/?" + r);
final HttpResponse response = this.client.execute(get, host, conn);
final byte[] received = EntityUtils.toByteArray(response.getEntity());
final byte[] expected = testData.get(r);
Assert.assertEquals(expected.length, received.length);
for (int i = 0; i < expected.length; i++) {
Assert.assertEquals(expected[i], received[i]);
}
if (!this.client.keepAlive(response)) {
conn.close();
}
}
// Verify the connection metrics
final HttpConnectionMetrics cm = conn.getMetrics();
Assert.assertEquals(reqNo, cm.getRequestCount());
Assert.assertEquals(reqNo, cm.getResponseCount());
} finally {
conn.close();
this.server.shutdown();
}
}