/*
* Copyright (c) 2008-2017, Hazelcast, Inc. 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.
* 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.hazelcast.internal.cluster.impl;
import com.hazelcast.core.Member;
import com.hazelcast.core.MemberSelector;
import com.hazelcast.instance.MemberImpl;
import com.hazelcast.nio.Address;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import com.hazelcast.version.MemberVersion;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;
import static com.hazelcast.cluster.memberselector.MemberSelectors.DATA_MEMBER_SELECTOR;
import static com.hazelcast.cluster.memberselector.MemberSelectors.LITE_MEMBER_SELECTOR;
import static com.hazelcast.cluster.memberselector.MemberSelectors.NON_LOCAL_MEMBER_SELECTOR;
import static com.hazelcast.cluster.memberselector.MemberSelectors.and;
import static com.hazelcast.util.UuidUtil.newUnsecureUuidString;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MemberSelectingCollectionTest extends HazelcastTestSupport {
private static final MemberSelector NO_OP_MEMBER_SELECTOR = new MemberSelector() {
@Override
public boolean select(Member member) {
return true;
}
};
private MemberImpl thisMember;
private MemberImpl liteMember;
private MemberImpl dataMember;
private MemberImpl nonExistingMember;
private Set<MemberImpl> members;
@Before
public void before()
throws Exception {
thisMember = new MemberImpl(new Address("localhost", 5701), MemberVersion.of("3.8.0"), true, newUnsecureUuidString(), null, true);
liteMember = new MemberImpl(new Address("localhost", 5702), MemberVersion.of("3.8.0"), false, newUnsecureUuidString(), null, true);
dataMember = new MemberImpl(new Address("localhost", 5704), MemberVersion.of("3.8.0"), false, newUnsecureUuidString(), null, false);
nonExistingMember = new MemberImpl(new Address("localhost", 5705), MemberVersion.of("3.8.0"), false, newUnsecureUuidString(), null, false);
members = createMembers();
}
private Set<MemberImpl> createMembers() {
final Set<MemberImpl> members = new LinkedHashSet<MemberImpl>();
members.add(liteMember);
members.add(thisMember);
members.add(dataMember);
return members;
}
@Test
public void testSizeWhenAllSelected() {
final MemberSelectingCollection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
NO_OP_MEMBER_SELECTOR);
assertEquals(3, collection.size());
}
@Test
public void testContainsWhenAllSelected() {
final MemberSelectingCollection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
NO_OP_MEMBER_SELECTOR);
assertContains(collection, liteMember);
assertContains(collection, thisMember);
assertContains(collection, dataMember);
}
// ################ IS EMPTY ################
@Test
public void testIsEmptyWhenNoMemberIsSelected() {
members.remove(dataMember);
final MemberSelectingCollection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(DATA_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertTrue(collection.isEmpty());
}
@Test
public void testIsEmptyWhenLiteMembersSelectedAndNoLocalMember() {
members.remove(liteMember);
members.remove(dataMember);
final MemberSelectingCollection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertTrue(collection.isEmpty());
}
// ################ CONTAINS ################
@Test
public void testContainsThisMemberWhenLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
assertContains(collection, thisMember);
}
@Test
public void testDoesNotContainThisMemberWhenDataMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, DATA_MEMBER_SELECTOR);
assertFalse(collection.contains(thisMember));
}
@Test
public void testDoesNotContainThisMemberWhenLiteMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertFalse(collection.contains(thisMember));
}
@Test
public void testDoesNotContainThisMemberDataMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(DATA_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertFalse(collection.contains(thisMember));
}
@Test
public void testContainsMatchingMemberWhenLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
assertContains(collection, liteMember);
}
@Test
public void testContainsMatchingMemberWhenLiteMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertContains(collection, liteMember);
}
@Test
public void testDoesNotContainNonMatchingMemberWhenLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
assertFalse(collection.contains(dataMember));
}
@Test
public void testDoesNotContainNonMatchingMemberWhenLiteMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertFalse(collection.contains(dataMember));
}
@Test
public void testDoesNotContainOtherMemberWhenDataMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, DATA_MEMBER_SELECTOR);
assertFalse(collection.contains(nonExistingMember));
}
@Test
public void testDoesNotContainOtherMemberWhenLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
assertFalse(collection.contains(nonExistingMember));
}
// ################ CONTAINS ALL ################
@Test
public void testContainsAllWhenLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
assertContainsAll(collection, asList(thisMember, liteMember));
}
@Test
public void testDoesNotContainAllWhenLiteMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertNotContainsAll(collection, asList(thisMember, liteMember));
}
@Test
public void testDoesNotContainNonMatchingMemberTypesWhenLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
assertNotContainsAll(collection, asList(thisMember, dataMember));
}
// ################ SIZE ################
@Test
public void testSizeWhenThisLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
assertEquals(2, collection.size());
}
@Test
public void testSizeWhenLiteMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertEquals(1, collection.size());
}
@Test
public void testSizeWhenDataMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(DATA_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertEquals(1, collection.size());
}
@Test
public void testSizeWhenDataMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, DATA_MEMBER_SELECTOR);
assertEquals(1, collection.size());
}
// ################ TO ARRAY ################
@Test
public void testToArrayWhenLiteMembersSelected() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
final Object[] array = collection.toArray();
assertArray(collection, array);
}
@Test
public void testToArrayWhenLiteMembersSelected2() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members, LITE_MEMBER_SELECTOR);
final Object[] array = new Object[collection.size()];
collection.toArray(array);
assertArray(collection, array);
}
@Test
public void testToArrayWhenLiteMembersSelectedAndNoLocalMember() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
final Object[] array = collection.toArray();
assertArray(collection, array);
}
@Test
public void testToArrayWhenLiteMembersSelectedAndNoLocalMember2() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
final Object[] array = new Object[collection.size()];
collection.toArray(array);
assertArray(collection, array);
}
@Test
public void testToArrayWhenLiteMembersFilteredAndNoLocalMember3() {
final Collection<MemberImpl> collection = new MemberSelectingCollection<MemberImpl>(members,
and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
Object[] array = new Object[0];
array = collection.toArray(array);
assertArray(collection, array);
}
private void assertArray(Collection<MemberImpl> collection, Object[] array) {
int i = 0;
for (MemberImpl member : collection) {
assertEquals(member, array[i++]);
}
}
}