/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.jclouds.openstack.keystone.v2_0.handlers;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.expectLastCall;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import org.jclouds.domain.Credentials;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpRequest;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.handlers.BackoffLimitedRetryHandler;
import org.jclouds.io.Payloads;
import org.jclouds.openstack.keystone.v2_0.domain.Access;
import org.testng.annotations.Test;
import com.google.common.cache.LoadingCache;
/**
* Tests behavior of {@code RetryOnRenew} handler
*/
@Test(groups = "unit", testName = "RetryOnRenewTest")
public class RetryOnRenewTest {
@Test
public void test401ShouldRetry() {
HttpCommand command = createMock(HttpCommand.class);
HttpRequest request = createMock(HttpRequest.class);
HttpResponse response = createMock(HttpResponse.class);
@SuppressWarnings("unchecked")
LoadingCache<Credentials, Access> cache = createMock(LoadingCache.class);
BackoffLimitedRetryHandler backoffHandler = createMock(BackoffLimitedRetryHandler.class);
expect(command.getCurrentRequest()).andReturn(request);
cache.invalidateAll();
expectLastCall();
expect(response.getPayload()).andReturn(Payloads.newStringPayload("")).anyTimes();
expect(response.getStatusCode()).andReturn(401).atLeastOnce();
replay(command);
replay(response);
replay(cache);
replay(backoffHandler);
RetryOnRenew retry = new RetryOnRenew(cache, backoffHandler);
assertTrue(retry.shouldRetryRequest(command, response));
verify(command);
verify(response);
verify(cache);
}
@Test
public void test401ShouldRetry4Times() {
HttpCommand command = createMock(HttpCommand.class);
HttpRequest request = createMock(HttpRequest.class);
HttpResponse response = createMock(HttpResponse.class);
@SuppressWarnings("unchecked")
LoadingCache<Credentials, Access> cache = createMock(LoadingCache.class);
BackoffLimitedRetryHandler backoffHandler = createMock(BackoffLimitedRetryHandler.class);
expect(command.getCurrentRequest()).andReturn(request).anyTimes();
expect(request.getHeaders()).andStubReturn(null);
cache.invalidateAll();
expectLastCall().anyTimes();
expect(response.getPayload()).andReturn(Payloads.newStringPayload("")).anyTimes();
expect(response.getStatusCode()).andReturn(401).anyTimes();
replay(command, request, response, cache);
RetryOnRenew retry = new RetryOnRenew(cache, backoffHandler);
for (int i = 0; i < RetryOnRenew.NUM_RETRIES - 1; ++i) {
assertTrue(retry.shouldRetryRequest(command, response), "Expected retry to succeed");
}
assertFalse(retry.shouldRetryRequest(command, response), "Expected retry to fail on attempt " + RetryOnRenew.NUM_RETRIES);
verify(command, response, cache);
}
@Test
public void test408ShouldRetry() {
HttpCommand command = createMock(HttpCommand.class);
HttpResponse response = createMock(HttpResponse.class);
@SuppressWarnings("unchecked")
LoadingCache<Credentials, Access> cache = createMock(LoadingCache.class);
BackoffLimitedRetryHandler backoffHandler = createMock(BackoffLimitedRetryHandler.class);
expect(response.getPayload()).andReturn(Payloads.newStringPayload(
"The server has waited too long for the request to be sent by the client.")).times(2);
expect(backoffHandler.shouldRetryRequest(command, response)).andReturn(true).once();
expect(response.getStatusCode()).andReturn(408).once();
replay(command);
replay(response);
replay(cache);
replay(backoffHandler);
RetryOnRenew retry = new RetryOnRenew(cache, backoffHandler);
assertTrue(retry.shouldRetryRequest(command, response));
verify(command);
verify(response);
verify(cache);
verify(backoffHandler);
}
}