/*
* Copyright 2011 Martin Grotzke
*
* 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 de.javakaffee.web.msm;
import static de.javakaffee.web.msm.MemcachedNodesManager.createFor;
import static java.util.Arrays.asList;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.endsWith;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.testng.Assert.*;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import net.spy.memcached.OperationTimeoutException;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import de.javakaffee.web.msm.MemcachedNodesManager.MemcachedClientCallback;
/**
* Test for {@link MemcachedNodesManager}.
*
* @author @author <a href="mailto:martin.grotzke@javakaffee.de">Martin Grotzke</a>
*/
public class MemcachedNodesManagerTest {
private MemcachedClientCallback _mcc;
@BeforeMethod
public void beforeClass() {
_mcc = mock(MemcachedClientCallback.class);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testParseWithNullShouldThrowException() {
createFor(null, null, null, _mcc);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testParseWithEmptyStringShouldThrowException() {
createFor("", null, null, _mcc);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testSingleSimpleNodeAndFailoverNodeShouldThrowException() {
createFor("localhost:11211", "n1", null, _mcc);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testSingleNodeAndFailoverNodeShouldThrowException() {
createFor("n1:localhost:11211", "n1", null, _mcc);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testCouchbaseNodesAndFailoverNodeShouldThrowException() {
createFor("http://localhost:8091/pools", "n1", null, _mcc);
}
@DataProvider
public static Object[][] nodesAndExpectedCountDataProvider() {
return new Object[][] {
{ "localhost:11211", 1 },
{ "http://localhost:8091/pools", 1},
{ "http://10.10.0.1:8091/pools,http://10.10.0.2:8091/pools", 2},
{ "n1:localhost:11211", 1 },
{ "n1:localhost:11211,n2:localhost:11212", 2 },
{ "n1:localhost:11211 n2:localhost:11212", 2 }
};
}
@Test( dataProvider = "nodesAndExpectedCountDataProvider" )
public void testCountNodes( final String memcachedNodes, final int expectedCount ) {
final MemcachedNodesManager result = createFor( memcachedNodes, null, null, _mcc );
assertNotNull(result);
assertEquals(result.getCountNodes(), expectedCount);
}
@DataProvider
public static Object[][] nodesAndPrimaryNodesDataProvider() {
return new Object[][] {
{ "localhost:11211", null, new NodeIdList() },
{ "http://localhost:8091/pools", null, new NodeIdList() },
{ "http://10.10.0.1:8091/pools,http://10.10.0.2:8091/pools", null, new NodeIdList() },
{ "n1:localhost:11211", null, new NodeIdList("n1") },
{ "n1:localhost:11211,n2:localhost:11212", "n1", new NodeIdList("n2") },
{ "n1:localhost:11211,n2:localhost:11212,n3:localhost:11213", "n1", new NodeIdList("n2", "n3") },
{ "n1:localhost:11211,n2:localhost:11212,n3:localhost:11213", "n1,n2", new NodeIdList("n3") }
};
}
@Test( dataProvider = "nodesAndPrimaryNodesDataProvider" )
public void testPrimaryNodes(final String memcachedNodes, final String failoverNodes, final NodeIdList expectedPrimaryNodeIds) {
final MemcachedNodesManager result = createFor( memcachedNodes, failoverNodes, null, _mcc );
assertNotNull(result);
assertEquals(result.getPrimaryNodeIds(), expectedPrimaryNodeIds);
}
@DataProvider
public static Object[][] nodesAndFailoverNodesDataProvider() {
return new Object[][] {
{ "localhost:11211", null, Collections.emptyList() },
{ "localhost:11211", "", Collections.emptyList() },
{ "http://localhost:8091/pools", null, Collections.emptyList() },
{ "n1:localhost:11211", null, Collections.emptyList() },
{ "n1:localhost:11211,n2:localhost:11212", "n1", Arrays.asList("n1") },
{ "n1:localhost:11211,n2:localhost:11212,n3:localhost:11213", "n1,n2", Arrays.asList("n1", "n2") },
{ "n1:localhost:11211,n2:localhost:11212,n3:localhost:11213", "n1 n2", Arrays.asList("n1", "n2") }
};
}
@Test( dataProvider = "nodesAndFailoverNodesDataProvider" )
public void testFailoverNodes(final String memcachedNodes, final String failoverNodes, final List<String> expectedFailoverNodeIds) {
final MemcachedNodesManager result = createFor( memcachedNodes, failoverNodes, null, _mcc );
assertNotNull(result);
assertEquals(result.getFailoverNodeIds(), expectedFailoverNodeIds);
}
@DataProvider
public static Object[][] nodesAndExpectedEncodedInSessionIdDataProvider() {
return new Object[][] {
{ "localhost:11211", null, false },
{ "http://localhost:8091/pools", null, false },
{ "http://10.10.0.1:8091/pools,http://10.10.0.2:8091/pools", null, false },
{ "n1:localhost:11211", null, true },
{ "n1:localhost:11211,n2:localhost:11212", "n1", true }
};
}
@Test( dataProvider = "nodesAndExpectedEncodedInSessionIdDataProvider" )
public void testIsEncodeNodeIdInSessionId( final String memcachedNodes, final String failoverNodes, final boolean expectedIsEncodeNodeIdInSessionId ) {
final MemcachedNodesManager result = createFor( memcachedNodes, null, null, _mcc );
assertNotNull(result);
assertEquals(result.isEncodeNodeIdInSessionId(), expectedIsEncodeNodeIdInSessionId);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testGetNodeIdShouldThrowExceptionForNullArgument() {
final MemcachedNodesManager result = createFor( "n1:localhost:11211", null, null, _mcc );
result.getNodeId(null);
}
@DataProvider
public static Object[][] testGetNodeIdDataProvider() {
return new Object[][] {
{ "n1:localhost:11211", null, new InetSocketAddress("localhost", 11211), "n1" },
{ "n1:localhost:11211,n2:localhost:11212", null, new InetSocketAddress("localhost", 11212), "n2" },
{ "n1:localhost:11211,n2:localhost:11212", "n1", new InetSocketAddress("localhost", 11211), "n1" }
};
}
@Test( dataProvider = "testGetNodeIdDataProvider" )
public void testGetNodeId(final String memcachedNodes, final String failoverNodes, final InetSocketAddress socketAddress, final String expectedNodeId) {
final MemcachedNodesManager result = createFor( memcachedNodes, failoverNodes, null, _mcc );
assertEquals(result.getNodeId(socketAddress), expectedNodeId);
}
/**
* Test for {@link MemcachedNodesManager#getNextPrimaryNodeId(String)}.
* @see NodeIdList#getNextNodeId(String)
* @see NodeIdListTest#testGetNextNodeId()
*/
@Test
public void testGetNextPrimaryNodeId() {
assertNull(createFor( "n1:localhost:11211", null, null, _mcc ).getNextPrimaryNodeId("n1"));
assertEquals(createFor( "n1:localhost:11211,n2:localhost:11212", null, null, _mcc ).getNextPrimaryNodeId("n1"), "n2");
}
@Test
public void testGetNextAvailableNodeId() {
assertNull(createFor( "n1:localhost:11211", null, null, _mcc ).getNextAvailableNodeId("n1"));
assertEquals(createFor( "n1:localhost:11211,n2:localhost:11212", null, null, _mcc ).getNextAvailableNodeId("n1"), "n2");
final MemcachedClientCallback mcc = mock(MemcachedClientCallback.class);
when(mcc.get(anyString())).thenReturn(null);
when(mcc.get(endsWith("n2"))).thenThrow(new OperationTimeoutException("SimulatedException"));
assertNull(createFor( "n1:localhost:11211,n2:localhost:11212", null, null, mcc).getNextAvailableNodeId("n1"));
assertEquals(createFor( "n1:localhost:11211,n2:localhost:11212,n3:localhost:11213", null, null, mcc).getNextAvailableNodeId("n1"), "n3");
}
@DataProvider
public static Object[][] testgGetAllMemcachedAddressesDataProvider() {
return new Object[][] {
{ "localhost:11211", null, asList(new InetSocketAddress("localhost", 11211)) },
{ "http://localhost:8091/pools", null, asList(new InetSocketAddress("localhost", 8091)) },
{ "http://10.10.0.1:8091/pools,http://10.10.0.2:8091/pools", null,
asList(new InetSocketAddress("10.10.0.1", 8091), new InetSocketAddress("10.10.0.2", 8091)) },
{ "n1:localhost:11211", null, asList(new InetSocketAddress("localhost", 11211)) },
{ "n1:localhost:11211,n2:localhost:11212", null, asList(new InetSocketAddress("localhost", 11211), new InetSocketAddress("localhost", 11212)) },
{ "n1:localhost:11211,n2:localhost:11212", "n1", asList(new InetSocketAddress("localhost", 11211), new InetSocketAddress("localhost", 11212)) }
};
}
@Test( dataProvider = "testgGetAllMemcachedAddressesDataProvider" )
public void testGetAllMemcachedAddresses(final String memcachedNodes, final String failoverNodes, final Collection<InetSocketAddress> expectedSocketAddresses) {
final MemcachedNodesManager result = createFor( memcachedNodes, failoverNodes, null, _mcc );
assertEquals(result.getAllMemcachedAddresses(), expectedSocketAddresses);
}
@Test
public void testGetSessionIdFormat() {
final SessionIdFormat sessionIdFormat = createFor( "n1:localhost:11211", null, null, _mcc ).getSessionIdFormat();
assertNotNull(sessionIdFormat);
}
@Test
public void testSessionIdFormatForSingleNodeSetupShouldSupportLocking() {
final SessionIdFormat sessionIdFormat = createFor( "localhost:11211", null, StorageKeyFormat.EMPTY, _mcc ).getSessionIdFormat();
assertNotNull(sessionIdFormat);
final String sessionId = "12345678";
assertEquals(sessionIdFormat.createLockName(sessionId), "lock:" + sessionId);
}
@Test
public void testCreateSessionIdShouldOnlyAddNodeIdIfPresent() {
assertEquals(createFor( "n1:localhost:11211", null, null, _mcc ).createSessionId("foo"), "foo-n1" );
assertEquals(createFor( "localhost:11211", null, null, _mcc ).createSessionId("foo"), "foo" );
}
@Test
public void testSetNodeAvailable() {
final MemcachedNodesManager cut = createFor( "n1:localhost:11211,n2:localhost:11212", null, null, _mcc );
assertTrue(cut.isNodeAvailable("n1"));
assertTrue(cut.isNodeAvailable("n2"));
cut.setNodeAvailable("n1", false);
assertFalse(cut.isNodeAvailable("n1"));
assertTrue(cut.isNodeAvailable("n2"));
}
@Test
public void testIsCouchbaseBucketConfig() {
assertTrue(createFor("http://10.10.0.1:8091/pools", null, null, _mcc ).isCouchbaseBucketConfig());
assertTrue(createFor("http://10.10.0.1:8091/pools,http://10.10.0.2:8091/pools", null, null, _mcc ).isCouchbaseBucketConfig());
}
@Test
public void testGetCouchbaseBucketURIs() throws URISyntaxException {
assertEquals(createFor("http://10.10.0.1:8091/pools", null, null, _mcc ).getCouchbaseBucketURIs(),
Arrays.asList(new URI("http://10.10.0.1:8091/pools")));
assertEquals(createFor("http://10.10.0.1:8091/pools,http://10.10.0.2:8091/pools", null, null, _mcc ).getCouchbaseBucketURIs(),
Arrays.asList(new URI("http://10.10.0.1:8091/pools"), new URI("http://10.10.0.2:8091/pools")));
}
@Test
public void testChangeSessionIdForTomcatFailover() {
assertEquals(createFor("localhost:11211", null, null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", null, null), null), sessionId("123", null, null));
assertEquals(createFor("localhost:11211", null, null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", null, "tc1"), "tc2"), sessionId("123", null, "tc2"));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", null, null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", null), null), sessionId("123", "n1", null));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", null, null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", null), "tc2"), sessionId("123", "n1", "tc2"));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", null, null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", "tc1"), "tc2"), sessionId("123", "n1", "tc2"));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", "n2", null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", null), null), sessionId("123", "n1", null));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", "n2", null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", null), "tc2"), sessionId("123", "n1", "tc2"));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", "n2", null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", "tc1"), "tc2"), sessionId("123", "n1", "tc2"));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", "n1", null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", null), null), sessionId("123", "n2", null));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", "n1", null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", null), "tc2"), sessionId("123", "n2", "tc2"));
assertEquals(createFor("n1:localhost:11211,n2:localhost:11212", "n1", null, _mcc)
.changeSessionIdForTomcatFailover(sessionId("123", "n1", "tc1"), "tc2"), sessionId("123", "n2", "tc2"));
}
private static String sessionId(final String plainId, final String memcachedId, final String jvmRoute) {
final SessionIdFormat sessionIdFormat = new SessionIdFormat();
final String withMemcachedId = sessionIdFormat.createSessionId(plainId, memcachedId);
return jvmRoute != null ? sessionIdFormat.changeJvmRoute(withMemcachedId, jvmRoute) : withMemcachedId;
}
}