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/*
 * 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.
 */

package com.baidu.hugegraph.tinkerpop;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.tinkerpop.gremlin.AbstractGremlinSuite;
import org.apache.tinkerpop.gremlin.GraphManager;
import org.apache.tinkerpop.gremlin.GraphProvider;
import org.apache.tinkerpop.gremlin.process.TraversalPerformanceTest;
import org.apache.tinkerpop.gremlin.process.traversal.TraversalEngine;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.StructureStandardSuite;
import org.junit.runners.model.InitializationError;
import org.junit.runners.model.RunnerBuilder;
import org.junit.runners.model.Statement;

import com.baidu.hugegraph.dist.RegisterUtil;

/**
 * The {@code ProcessPerformanceSuite} is a JUnit test runner that executes the
 * Gremlin Test Suite over a Graph implementation.  This suite contains
 * "long-run" tests that produce reports on the traversal execution
 * performance of a vendor implementation {@link Graph}. Its usage is optional
 * to providers as the tests are somewhat redundant to those found elsewhere
 * in other required test suites.
 * For more information on the usage of this suite,
 * please see {@link StructureStandardSuite}.
 *
 * @author Stephen Mallette (http://stephen.genoprime.com)
 * @deprecated  As of release 3.2.0-incubating, replaced by gremlin-benchmark.
 */
@Deprecated
public class ProcessPerformanceSuite extends AbstractGremlinSuite {

    /**
     * This list of tests in the suite that will be executed.
     * Gremlin developers should add to this list
     * as needed to enforce tests upon implementations.
     */
    private static final Class[] allTests = new Class[]{
            TraversalPerformanceTest.class
    };

    public ProcessPerformanceSuite(final Class klass,
                                   final RunnerBuilder builder)
                                   throws InitializationError,
                                          ConfigurationException {
        super(klass, builder, allTests, null, true,
              TraversalEngine.Type.STANDARD);
        RegisterUtil.registerBackends();
    }

    @Override
    protected Statement withAfterClasses(final Statement statement) {
        Statement wrappedStatement = new Statement() {
            @Override
            public void evaluate() throws Throwable {
                statement.evaluate();
                GraphProvider gp = GraphManager.setGraphProvider(null);
                ((TestGraphProvider) gp).clearBackends();
                GraphManager.setGraphProvider(gp);
            }
        };
        return super.withAfterClasses(wrappedStatement);
    }
}