lang/cs/Org.Apache.REEF.Evaluator.Tests/EvaluatorConfigurationsTests.cs

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// 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
//
// 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.

using Org.Apache.REEF.Common.Runtime.Evaluator.Utils;
using Org.Apache.REEF.Common.Services;
using Org.Apache.REEF.Common.Tasks;
using Org.Apache.REEF.Driver.Context;
using Org.Apache.REEF.Examples.HelloREEF;
using Org.Apache.REEF.Tang.Formats;
using Org.Apache.REEF.Tang.Implementations.Tang;
using Org.Apache.REEF.Tang.Interface;
using Org.Apache.REEF.Tang.Util;
using Org.Apache.REEF.Utilities.Logging;
using Org.Apache.REEF.Wake.Remote.Parameters;
using Org.Apache.REEF.Wake.StreamingCodec;
using Xunit;

namespace Org.Apache.REEF.Evaluator.Tests
{
    public class EvaluatorConfigurationsTests
    {
        private static readonly Logger Logger = Logger.GetLogger(typeof(EvaluatorConfigurationsTests));
        private const string EvaluatorIdPrefix = "Node-";
        private const string ContextIdPrefix = "RootContext_";
        private const string RemoteIdPrefix = "socket://";
        private const string AppIdForTest = "REEF_LOCAL_RUNTIME";

        [Fact]
        [Trait("Priority", "0")]
        [Trait("Category", "Unit")]
        public void TestEvaluatorConfigurationFile()
        {
            AvroConfigurationSerializer serializer = new AvroConfigurationSerializer();
            var avroConfiguration = serializer.AvroDeserializeFromFile("evaluator.conf");

            Assert.NotNull(avroConfiguration);
            Assert.Equal(avroConfiguration.language, Language.Java.ToString());

            foreach (var b in avroConfiguration.Bindings)
            {
               Logger.Log(Level.Info, "Key = " + b.key + " Value = " + b.value); 
            }
        }

        [Fact]
        [Trait("Priority", "0")]
        [Trait("Category", "Unit")]
        public void TestDeserializationWithAlias()
        {
            AvroConfigurationSerializer serializer = new AvroConfigurationSerializer();
            var avroConfiguration = serializer.AvroDeserializeFromFile("evaluator.conf");
            var language = avroConfiguration.language;
            Assert.True(language.ToString().Equals(Language.Java.ToString()));

            var classHierarchy = TangFactory.GetTang()
                .GetClassHierarchy(new string[] { typeof(ApplicationIdentifier).Assembly.GetName().Name });
            var config = serializer.FromAvro(avroConfiguration, classHierarchy);

            IInjector evaluatorInjector = TangFactory.GetTang().NewInjector(config);
            string appid = evaluatorInjector.GetNamedInstance<ApplicationIdentifier, string>();
            string remoteId = evaluatorInjector.GetNamedInstance<DriverRemoteIdentifier, string>();

            string evaluatorIdentifier = evaluatorInjector.GetNamedInstance<EvaluatorIdentifier, string>();
            string rid = evaluatorInjector.GetNamedInstance<ErrorHandlerRid, string>();
            string launchId = evaluatorInjector.GetNamedInstance<LaunchId, string>();

            Assert.True(remoteId.StartsWith(RemoteIdPrefix));
            Assert.True(appid.Equals(AppIdForTest));
            Assert.True(evaluatorIdentifier.StartsWith(EvaluatorIdPrefix));
            Assert.True(rid.StartsWith(RemoteIdPrefix));
            Assert.True(launchId.Equals(AppIdForTest));
        }

        /// <summary>
        /// This test is to deserialize a evaluator configuration file using alias if the parameter cannot be 
        /// found in the class hierarchy. The config file used in the test was generated when running HelloRREEF.
        /// It contains task and context configuration strings.  
        /// </summary>
        [Fact]
        [Trait("Priority", "0")]
        [Trait("Category", "Unit")]
        public void TestDeserializationForContextAndTask()
        {
            AvroConfigurationSerializer serializer = new AvroConfigurationSerializer();
            
            var classHierarchy = TangFactory.GetTang()
                .GetClassHierarchy(new string[] { typeof(ApplicationIdentifier).Assembly.GetName().Name });
            var config = serializer.FromFile("evaluator.conf", classHierarchy);

            IInjector evaluatorInjector = TangFactory.GetTang().NewInjector(config);

            string taskConfigString = evaluatorInjector.GetNamedInstance<InitialTaskConfiguration, string>();
            string contextConfigString = evaluatorInjector.GetNamedInstance<RootContextConfiguration, string>();

            var contextClassHierarchy = TangFactory.GetTang().GetClassHierarchy(new string[]
            {
                typeof(ContextConfigurationOptions.ContextIdentifier).Assembly.GetName().Name
            });
            var contextConfig = serializer.FromString(contextConfigString, contextClassHierarchy);

            var taskClassHierarchy = TangFactory.GetTang().GetClassHierarchy(new string[]
            {
                typeof(ITask).Assembly.GetName().Name,
                typeof(HelloTask).Assembly.GetName().Name
            });
            var taskConfig = serializer.FromString(taskConfigString, taskClassHierarchy);

            var contextInjector = evaluatorInjector.ForkInjector(contextConfig);
            string contextId = contextInjector.GetNamedInstance<ContextConfigurationOptions.ContextIdentifier, string>();
            Assert.True(contextId.StartsWith(ContextIdPrefix));

            var taskInjector = contextInjector.ForkInjector(taskConfig);

            string taskId = taskInjector.GetNamedInstance<TaskConfigurationOptions.Identifier, string>();
            ITask task = taskInjector.GetInstance<ITask>();
            Assert.True(taskId.StartsWith("HelloTask"));
            Assert.True(task is HelloTask);
        }
    }
}