ClassicHttpCoreTransportTest.java
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package org.apache.hc.core5.testing.classic;
import static org.hamcrest.MatcherAssert.assertThat;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.hc.core5.http.ClassicHttpRequest;
import org.apache.hc.core5.http.ClassicHttpResponse;
import org.apache.hc.core5.http.ContentType;
import org.apache.hc.core5.http.HttpHost;
import org.apache.hc.core5.http.HttpStatus;
import org.apache.hc.core5.http.Method;
import org.apache.hc.core5.http.URIScheme;
import org.apache.hc.core5.http.impl.bootstrap.HttpRequester;
import org.apache.hc.core5.http.impl.bootstrap.HttpServer;
import org.apache.hc.core5.http.io.entity.EntityUtils;
import org.apache.hc.core5.http.io.entity.StringEntity;
import org.apache.hc.core5.http.message.BasicClassicHttpRequest;
import org.apache.hc.core5.http.protocol.HttpCoreContext;
import org.apache.hc.core5.util.Timeout;
import org.hamcrest.CoreMatchers;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
abstract class ClassicHttpCoreTransportTest {
private static final Timeout TIMEOUT = Timeout.ofMinutes(1);
private final URIScheme scheme;
public ClassicHttpCoreTransportTest(final URIScheme scheme) {
this.scheme = scheme;
}
abstract HttpServer serverStart() throws IOException;
abstract HttpRequester clientStart() throws IOException;
@Test
void testSequentialRequests() throws Exception {
final HttpServer server = serverStart();
final HttpRequester requester = clientStart();
final HttpHost target = new HttpHost(scheme.id, "localhost", server.getLocalPort());
final HttpCoreContext context = HttpCoreContext.create();
final ClassicHttpRequest request1 = new BasicClassicHttpRequest(Method.POST, "/stuff");
request1.setEntity(new StringEntity("some stuff", ContentType.TEXT_PLAIN));
try (final ClassicHttpResponse response1 = requester.execute(target, request1, TIMEOUT, context)) {
assertThat(response1.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
final String body1 = EntityUtils.toString(response1.getEntity());
assertThat(body1, CoreMatchers.equalTo("some stuff"));
}
final ClassicHttpRequest request2 = new BasicClassicHttpRequest(Method.POST, "/other-stuff");
request2.setEntity(new StringEntity("some other stuff", ContentType.TEXT_PLAIN));
try (final ClassicHttpResponse response2 = requester.execute(target, request2, TIMEOUT, context)) {
assertThat(response2.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
final String body2 = EntityUtils.toString(response2.getEntity());
assertThat(body2, CoreMatchers.equalTo("some other stuff"));
}
final ClassicHttpRequest request3 = new BasicClassicHttpRequest(Method.POST, "/more-stuff");
request3.setEntity(new StringEntity("some more stuff", ContentType.TEXT_PLAIN));
try (final ClassicHttpResponse response3 = requester.execute(target, request3, TIMEOUT, context)) {
assertThat(response3.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
final String body3 = EntityUtils.toString(response3.getEntity());
assertThat(body3, CoreMatchers.equalTo("some more stuff"));
}
}
@Test
void testSequentialRequestsNonPersistentConnection() throws Exception {
final HttpServer server = serverStart();
final HttpRequester requester = clientStart();
final HttpHost target = new HttpHost(scheme.id, "localhost", server.getLocalPort());
final HttpCoreContext context = HttpCoreContext.create();
final ClassicHttpRequest request1 = new BasicClassicHttpRequest(Method.POST, "/no-keep-alive/stuff");
request1.setEntity(new StringEntity("some stuff", ContentType.TEXT_PLAIN));
try (final ClassicHttpResponse response1 = requester.execute(target, request1, TIMEOUT, context)) {
assertThat(response1.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
final String body1 = EntityUtils.toString(response1.getEntity());
assertThat(body1, CoreMatchers.equalTo("some stuff"));
}
final ClassicHttpRequest request2 = new BasicClassicHttpRequest(Method.POST, "/no-keep-alive/other-stuff");
request2.setEntity(new StringEntity("some other stuff", ContentType.TEXT_PLAIN));
try (final ClassicHttpResponse response2 = requester.execute(target, request2, TIMEOUT, context)) {
assertThat(response2.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
final String body2 = EntityUtils.toString(response2.getEntity());
assertThat(body2, CoreMatchers.equalTo("some other stuff"));
}
final ClassicHttpRequest request3 = new BasicClassicHttpRequest(Method.POST, "/no-keep-alive/more-stuff");
request3.setEntity(new StringEntity("some more stuff", ContentType.TEXT_PLAIN));
try (final ClassicHttpResponse response3 = requester.execute(target, request3, TIMEOUT, context)) {
assertThat(response3.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
final String body3 = EntityUtils.toString(response3.getEntity());
assertThat(body3, CoreMatchers.equalTo("some more stuff"));
}
}
@Test
void testMultiThreadedRequests() throws Exception {
final HttpServer server = serverStart();
final HttpRequester requester = clientStart();
final int c = 10;
final CountDownLatch latch = new CountDownLatch(c);
final AtomicLong n = new AtomicLong(c + 100);
final AtomicReference<AssertionError> exRef = new AtomicReference<>();
final ExecutorService executorService = Executors.newFixedThreadPool(c);
try {
final HttpHost target = new HttpHost(scheme.id, "localhost", server.getLocalPort());
for (int i = 0; i < c; i++) {
executorService.execute(() -> {
try {
while (n.decrementAndGet() > 0) {
try {
final HttpCoreContext context = HttpCoreContext.create();
final ClassicHttpRequest request1 = new BasicClassicHttpRequest(Method.POST, "/stuff");
request1.setEntity(new StringEntity("some stuff", ContentType.TEXT_PLAIN));
requester.execute(target, request1, TIMEOUT, context, response -> {
Assertions.assertEquals(HttpStatus.SC_OK, response.getCode());
Assertions.assertEquals("some stuff", EntityUtils.toString(response.getEntity()));
return null;
});
} catch (final Exception ex) {
Assertions.fail(ex);
}
}
} catch (final AssertionError ex) {
exRef.compareAndSet(null, ex);
} finally {
latch.countDown();
}
});
}
Assertions.assertTrue(latch.await(5, TimeUnit.MINUTES));
} finally {
executorService.shutdownNow();
}
final AssertionError assertionError = exRef.get();
if (assertionError != null) {
throw assertionError;
}
}
}