/*
* Copyright (C) 2012-2015 DataStax Inc.
*
* 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 com.datastax.driver.core;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import static com.datastax.driver.core.CreateCCM.TestMode.PER_METHOD;
import static org.mockito.Mockito.*;
@CreateCCM(PER_METHOD)
@CCMConfig(dirtiesContext = true, createKeyspace = false)
public class NodeListRefreshDebouncerTest extends CCMTestsSupport {
private static final int DEBOUNCE_TIME = 2000;
private Cluster cluster2;
// Control Connection to be spied.
private ControlConnection controlConnection;
@BeforeMethod(groups = "short")
public void setup() {
QueryOptions queryOptions = new QueryOptions();
queryOptions.setRefreshNodeListIntervalMillis(DEBOUNCE_TIME);
queryOptions.setMaxPendingRefreshNodeListRequests(5);
queryOptions.setRefreshSchemaIntervalMillis(0);
// Create a separate cluster that will receive the schema events on its control connection.
cluster2 = register(Cluster.builder()
.addContactPoints(getContactPoints())
.withPort(ccm().getBinaryPort())
.withQueryOptions(queryOptions)
.build());
cluster2.init();
// Create a spy of the Cluster's control connection and replace it with the spy.
controlConnection = spy(cluster2.manager.controlConnection);
cluster2.manager.controlConnection = controlConnection;
reset(controlConnection);
}
/**
* Ensures that when enough refreshNodeList requests have been received
* to reach {@link QueryOptions#getMaxPendingRefreshNodeListRequests()} that a
* node list refresh is submitted right away.
*
* @jira_ticket JAVA-657
* @since 2.0.11
*/
@Test(groups = "short")
public void should_refresh_when_max_pending_requests_reached() {
for (int i = 0; i < 5; i++) {
cluster2.manager.submitNodeListRefresh();
}
// add delay to account for executor submit.
verify(controlConnection, timeout(DEBOUNCE_TIME)).refreshNodeListAndTokenMap();
}
}