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// distributed with this work for additional information
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// to you 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
//
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using Org.Apache.REEF.Network.Group.Config;
using Org.Apache.REEF.Tang.Formats;
using Org.Apache.REEF.Tang.Implementations.Configuration;
using Org.Apache.REEF.Tang.Util;
using Org.Apache.REEF.Wake.Remote.Impl;
using Xunit;

namespace Org.Apache.REEF.Network.Tests.GroupCommunication
{
    public class GroupCommuDriverTests
    {
        [Fact]
        public void TestServiceConfiguration()
        {
            string groupName = "group1";
            string masterTaskId = "task0";
            string driverId = "Driver Id";
            int numTasks = 3;
            int fanOut = 2;

            var serializer = new AvroConfigurationSerializer();

            var groupCommunicationDriver = GroupCommunicationTests.GetInstanceOfGroupCommDriver(driverId, masterTaskId,
                groupName, fanOut,
                numTasks);

            // driver side to prepar for service config
            var codecConfig = CodecConfiguration<int>.Conf
                .Set(CodecConfiguration<int>.Codec, GenericType<IntCodec>.Class)
                .Build();
            var driverServiceConfig = groupCommunicationDriver.GetServiceConfiguration();
            var serviceConfig = Configurations.Merge(driverServiceConfig, codecConfig);

            var serviceConfigString = serializer.ToString(serviceConfig);

            // the configuration string is received at Evaluator side
            var serviceConfig2 = new AvroConfigurationSerializer().FromString(serviceConfigString);

            Assert.Equal(serializer.ToString(serviceConfig), serializer.ToString(serviceConfig2));
        }
    }
}