software.amazon.awssdk.testutils.service.http.MockSyncHttpClient Maven / Gradle / Ivy
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The AWS SDK for Java - Service Test Utils module holds utilities used by service tests that may have dependencies on the core runtime.
/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package software.amazon.awssdk.testutils.service.http;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;
import software.amazon.awssdk.http.ExecutableHttpRequest;
import software.amazon.awssdk.http.HttpExecuteRequest;
import software.amazon.awssdk.http.HttpExecuteResponse;
import software.amazon.awssdk.http.SdkHttpClient;
import software.amazon.awssdk.http.SdkHttpRequest;
import software.amazon.awssdk.utils.Pair;
/**
* Mockable implementation of {@link SdkHttpClient}.
*/
public final class MockSyncHttpClient implements SdkHttpClient, MockHttpClient {
private static final Duration DEFAULT_DURATION = Duration.ofMillis(50);
private final List capturedRequests = new ArrayList<>();
private final List> responses = new LinkedList<>();
private final AtomicInteger responseIndex = new AtomicInteger(0);
private boolean isClosed;
@Override
public ExecutableHttpRequest prepareRequest(HttpExecuteRequest request) {
capturedRequests.add(request.httpRequest());
return new ExecutableHttpRequest() {
@Override
public HttpExecuteResponse call() {
Pair responseDurationPair =
responses.get(responseIndex.getAndIncrement() % responses.size());
HttpExecuteResponse response = responseDurationPair.left();
Duration duration = responseDurationPair.right();
try {
Thread.sleep(duration.toMillis());
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
if (response == null) {
throw new IllegalStateException("No responses remain.");
}
return response;
}
@Override
public void abort() {
}
};
}
@Override
public void close() {
isClosed = true;
}
@Override
public void reset() {
this.capturedRequests.clear();
this.responses.clear();
this.responseIndex.set(0);
}
@Override
public void stubNextResponse(HttpExecuteResponse nextResponse) {
this.responses.clear();
this.responses.add(Pair.of(nextResponse, DEFAULT_DURATION));
this.responseIndex.set(0);
}
@Override
public void stubNextResponse(HttpExecuteResponse nextResponse, Duration delay) {
this.responses.add(Pair.of(nextResponse, delay));
this.responseIndex.set(0);
}
@Override
public void stubResponses(Pair... responses) {
this.responses.clear();
this.responses.addAll(Arrays.asList(responses));
this.responseIndex.set(0);
}
@Override
public void stubResponses(HttpExecuteResponse... responses) {
this.responses.clear();
this.responses.addAll(Arrays.stream(responses).map(r -> Pair.of(r, DEFAULT_DURATION)).collect(Collectors.toList()));
this.responseIndex.set(0);
}
@Override
public List getRequests() {
return Collections.unmodifiableList(capturedRequests);
}
@Override
public SdkHttpRequest getLastRequest() {
if (capturedRequests.isEmpty()) {
throw new IllegalStateException("No requests were captured by the mock");
}
return capturedRequests.get(capturedRequests.size() - 1);
}
public boolean isClosed() {
return isClosed;
}
}
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