/*
 * Copyright 2017-present Open Networking Laboratory
 *
 * 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 org.onosproject.store.primitives.resources.impl;

import io.atomix.resource.ResourceType;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
 * Unit test for {@code AtomixCounterMap}.
 */
public class AtomixAtomicCounterMapTest extends AtomixTestBase {

    @BeforeClass
    public static void preTestSetup() throws Throwable {
        createCopycatServers(3);
    }

    @AfterClass
    public static void postTestCleanup() throws Exception {
        clearTests();
    }

    @Override
    protected ResourceType resourceType() {
        return new ResourceType(AtomixAtomicCounterMap.class);
    }

    /**
     * Tests basic counter map operations.
     */
    @Test
    public void testBasicCounterMapOperations() throws Throwable {
        AtomixAtomicCounterMap map = createAtomixClient().getResource("testBasicCounterMapOperationMap",
                AtomixAtomicCounterMap.class).join();

        map.isEmpty().thenAccept(isEmpty -> {
            assertTrue(isEmpty);
        }).join();

        map.size().thenAccept(size -> {
            assertTrue(size == 0);
        }).join();

        map.put("foo", 2).thenAccept(value -> {
            assertTrue(value == 0);
        }).join();

        map.incrementAndGet("foo").thenAccept(value -> {
            assertTrue(value == 3);
        }).join();

        map.getAndIncrement("foo").thenAccept(value -> {
            assertTrue(value == 3);
        }).join();

        map.get("foo").thenAccept(value -> {
            assertTrue(value == 4);
        }).join();

        map.getAndDecrement("foo").thenAccept(value -> {
            assertTrue(value == 4);
        }).join();

        map.decrementAndGet("foo").thenAccept(value -> {
            assertTrue(value == 2);
        }).join();

        map.size().thenAccept(size -> {
            assertTrue(size == 1);
        }).join();

        map.isEmpty().thenAccept(isEmpty -> {
            assertFalse(isEmpty);
        }).join();

        map.clear().join();

        map.isEmpty().thenAccept(isEmpty -> {
            assertTrue(isEmpty);
        }).join();

        map.size().thenAccept(size -> {
            assertTrue(size == 0);
        }).join();

        map.get("foo").thenAccept(value -> {
            assertTrue(value == 0);
        }).join();

        map.incrementAndGet("bar").thenAccept(value -> {
            assertTrue(value == 1);
        }).join();

        map.addAndGet("bar", 2).thenAccept(value -> {
            assertTrue(value == 3);
        }).join();

        map.getAndAdd("bar", 3).thenAccept(value -> {
            assertTrue(value == 3);
        }).join();

        map.get("bar").thenAccept(value -> {
            assertTrue(value == 6);
        }).join();

        map.putIfAbsent("bar", 1).thenAccept(value -> {
            assertTrue(value == 6);
        }).join();

        map.replace("bar", 6, 1).thenAccept(succeeded -> {
            assertTrue(succeeded);
        }).join();

        map.replace("bar", 6, 1).thenAccept(succeeded -> {
            assertFalse(succeeded);
        }).join();

        map.size().thenAccept(size -> {
            assertTrue(size == 1);
        }).join();

        map.remove("bar").thenAccept(value -> {
            assertTrue(value == 1);
        }).join();

        map.size().thenAccept(size -> {
            assertTrue(size == 0);
        }).join();

        map.put("baz", 3).thenAccept(value -> {
            assertTrue(value == 0);
        }).join();

        map.remove("baz", 2).thenAccept(removed -> {
            assertFalse(removed);
        }).join();

        map.put("baz", 2).thenAccept(value -> {
            assertTrue(value == 3);
        }).join();

        map.remove("baz", 2).thenAccept(removed -> {
            assertTrue(removed);
        }).join();

        map.isEmpty().thenAccept(isEmpty -> {
            assertTrue(isEmpty);
        }).join();

        map.replace("baz", 0, 5).thenAccept(replaced -> {
            assertTrue(replaced);
        }).join();

        map.get("baz").thenAccept(value -> {
            assertTrue(value == 5);
        }).join();
    }
}