eagle-core/eagle-app/eagle-app-base/src/test/java/org/apache/eagle/app/environment/ExecutionRuntimeManagerTest.java

/*
 *  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
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 */

package org.apache.eagle.app.environment;

import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import org.apache.eagle.app.environment.impl.StormEnvironment;
import org.junit.Assert;
import org.junit.Test;

import java.lang.reflect.Field;
import java.util.Map;

public class ExecutionRuntimeManagerTest {

    @Test
    public void test() throws NoSuchFieldException, IllegalAccessException {
        Config config = ConfigFactory.load();
        ExecutionRuntimeManager manager = ExecutionRuntimeManager.getInstance();
        manager.getRuntime(StormEnvironment.class, config);
        manager.getRuntime(StormEnvironment.class, config);

        Field field = manager.getClass().getDeclaredField("executionRuntimeCache");
        field.setAccessible(true);
        Map<Environment, ExecutionRuntime> executionRuntimeCache = (Map<Environment, ExecutionRuntime>) field.get(manager);

        Assert.assertTrue(executionRuntimeCache.size() == 1);

    }
}