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/*
* Copyright 2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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 org.gradle.test.fixtures.server.http;
import static org.gradle.test.fixtures.server.http.AbstractFailure.contextSuffix;
import static org.gradle.test.fixtures.server.http.AbstractFailure.withLeadingSlash;
class ExpectationState {
private enum FailureType {
None, UnexpectedRequest, Timeout
}
private FailureType failure = FailureType.None;
private String unexpectedMethod;
private String unexpectedPath;
public boolean isFailed() {
return failure != FailureType.None;
}
/**
* Signals that an unexpected request was received.
*
* @return A response to return to the client
*/
public ResponseProducer unexpectedRequest(String requestMethod, String path, String context) {
if (failure == FailureType.None) {
failure = FailureType.UnexpectedRequest;
unexpectedMethod = requestMethod;
unexpectedPath = path;
}
return new UnexpectedRequestFailure(requestMethod, path, context);
}
/**
* Signals that a timeout occurred waiting to handle the given request.
*
* @return A response to return to the client
*/
public ResponseProducer timeout(String requestMethod, String path, String waitingFor, String context) {
if (failure == FailureType.None) {
failure = FailureType.Timeout;
}
return new RequestConditionFailure(requestMethod, path, String.format("Failed to handle %s %s due to a timeout %s%s", requestMethod, withLeadingSlash(path), waitingFor, contextSuffix(context)));
}
/**
* Signals that a timeout occurred waiting for test condition to become true.
*/
public void timeout(String waitingFor, String context) {
if (failure == FailureType.None) {
failure = FailureType.Timeout;
}
}
/**
* Creates a response to return to the client for an expected request received after a failure.
*/
public ResponseProducer alreadyFailed(String requestMethod, String path, String context) {
switch (failure) {
case UnexpectedRequest:
return new RequestConditionFailure(requestMethod, path, String.format("Failed to handle %s %s due to unexpected request %s %s%s", requestMethod, withLeadingSlash(path), unexpectedMethod, withLeadingSlash(unexpectedPath), contextSuffix(context)));
case Timeout:
return new RequestConditionFailure(requestMethod, path, String.format("Failed to handle %s %s due to a previous timeout%s", requestMethod, withLeadingSlash(path), contextSuffix(context)));
default:
throw new IllegalStateException();
}
}
/**
* Creates a response to return to the client for a request that was waiting when a failure occurred.
*/
public ResponseProducer failureWhileWaiting(String requestMethod, String path, String waitingFor, String context) {
switch (failure) {
case UnexpectedRequest:
return new RequestConditionFailure(requestMethod, path, String.format("Failed to handle %s %s due to unexpected request %s %s%s", requestMethod, withLeadingSlash(path), unexpectedMethod, withLeadingSlash(unexpectedPath), contextSuffix(context)));
case Timeout:
return new RequestConditionFailure(requestMethod, path, String.format("Failed to handle %s %s due to a timeout %s%s", requestMethod, withLeadingSlash(path), waitingFor, contextSuffix(context)));
default:
throw new IllegalStateException();
}
}
/**
* Creates an exception to throw to the test thread that is waiting for some condition
*/
public RuntimeException getWaitFailure(String context) {
switch (failure) {
case UnexpectedRequest:
return new RuntimeException(String.format("Unexpected request %s %s received%s", unexpectedMethod, withLeadingSlash(unexpectedPath), contextSuffix(context)));
case Timeout:
return new RuntimeException(String.format("Timeout waiting for expected requests%s", contextSuffix(context)));
default:
throw new IllegalStateException();
}
}
}
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