/*
 * 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.client.impl.querycache;

import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.proxy.ClientMapProxy;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.Member;
import com.hazelcast.map.impl.querycache.NodeQueryCacheContextTest.QuerySchedulerRepetitionTask;
import com.hazelcast.map.impl.querycache.NodeQueryCacheContextTest.QuerySchedulerTask;
import com.hazelcast.map.impl.querycache.QueryCacheContext;
import com.hazelcast.map.impl.querycache.QueryCacheScheduler;
import com.hazelcast.nio.Address;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;

import java.util.Collection;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientQueryCacheContextTest extends HazelcastTestSupport {

    @Rule
    public ExpectedException expectedException = ExpectedException.none();

    private TestHazelcastFactory factory;

    private QueryCacheContext context;

    @Before
    public void setUp() {
        factory = new TestHazelcastFactory();

        factory.newHazelcastInstance();

        HazelcastInstance hz = factory.newHazelcastClient();
        ClientMapProxy proxy = (ClientMapProxy) hz.getMap("test");
        context = proxy.getQueryCacheContext();
    }

    @After
    public void tearDown() {
        factory.terminateAll();
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testDestroy() {
        context.destroy();
    }

    @Test
    public void testGetMemberList() {
        Collection<Member> memberList = context.getMemberList();

        assertNotNull(memberList);
        assertEquals(1, memberList.size());
    }

    @Test
    public void testPartitionId() {
        int partitionId = context.getPartitionId("myKey");

        assertTrue(partitionId >= 0);
    }

    @Test
    public void testGetQueryCacheScheduler() {
        QueryCacheScheduler scheduler = context.getQueryCacheScheduler();
        assertNotNull(scheduler);

        final QuerySchedulerTask task = new QuerySchedulerTask();
        scheduler.execute(task);

        final QuerySchedulerRepetitionTask repetitionTask = new QuerySchedulerRepetitionTask();
        scheduler.scheduleWithRepetition(repetitionTask, 1);

        assertTrueEventually(new AssertTask() {
            @Override
            public void run() throws Exception {
                assertTrue(task.executed);
                assertTrue(repetitionTask.counter.get() > 1);
            }
        });

        scheduler.shutdown();
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testGetPublisherContext() {
        context.getPublisherContext();
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testGetThisNodesAddress() {
        context.getThisNodesAddress();
    }

    @Test(expected = NullPointerException.class)
    public void testInvokerWrapper_invokeOnAllPartitions_whenExceptionOccurs_thenExceptionIsRethrown() throws Exception {
        ClientMessage request = mock(ClientMessage.class);
        when(request.setCorrelationId((Long) any())).thenThrow(NullPointerException.class);
        context.getInvokerWrapper().invokeOnAllPartitions(request);
    }

    @Test(expected = NullPointerException.class)
    public void testInvokerWrapper_invokeOnTarget_whenExceptionOccurs_thenExceptionIsRethrown() throws Exception {
        ClientMessage request = mock(ClientMessage.class);
        when(request.setCorrelationId((Long) any())).thenThrow(NullPointerException.class);

        Address address = new Address();

        context.getInvokerWrapper().invokeOnTarget(request, address);
    }

    @Test(expected = NullPointerException.class)
    public void testInvokerWrapper_invokeOnTarget_whenRequestIsNull_thenThrowException() {
        Address address = new Address();

        context.getInvokerWrapper().invokeOnTarget(null, address);
    }

    @Test(expected = NullPointerException.class)
    public void testInvokerWrapper_invokeOnTarget_whenAddressIsNull_thenThrowException() {
        context.getInvokerWrapper().invokeOnTarget(new Object(), null);
    }

    @Test(expected = NullPointerException.class)
    public void testInvokerWrapper_invoke_whenExceptionOccurs_thenExceptionIsRethrown() throws Exception {
        ClientMessage request = mock(ClientMessage.class);
        when(request.setCorrelationId((Long) any())).thenThrow(NullPointerException.class);

        context.getInvokerWrapper().invoke(request);
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testInvokerWrapper_executeOperation() {
        context.getInvokerWrapper().executeOperation(null);
    }
}