exec/java-exec/src/test/java/org/apache/drill/exec/physical/config/TestParsePhysicalPlan.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
 * limitations under the License.
 */
package org.apache.drill.exec.physical.config;

import org.apache.drill.categories.PlannerTest;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.config.LogicalPlanPersistence;
import org.apache.drill.common.scanner.ClassPathScanner;
import org.apache.drill.common.scanner.persistence.ScanResult;
import org.apache.drill.common.util.DrillFileUtils;
import org.apache.drill.exec.ExecTest;
import org.apache.drill.exec.physical.PhysicalPlan;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.proto.CoordinationProtos;
import org.junit.Test;

import com.fasterxml.jackson.databind.ObjectReader;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
import org.junit.experimental.categories.Category;

@Category(PlannerTest.class)
public class TestParsePhysicalPlan extends ExecTest {
  static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestParsePhysicalPlan.class);


  @Test
  public void parseSimplePlan() throws Exception{
    DrillConfig c = DrillConfig.create();
    ScanResult scanResult = ClassPathScanner.fromPrescan(c);
    LogicalPlanPersistence lpp = new LogicalPlanPersistence(c, scanResult);

    PhysicalPlanReader reader = new PhysicalPlanReader(c, scanResult, lpp, CoordinationProtos.DrillbitEndpoint.getDefaultInstance(), null);
    ObjectReader r = lpp.getMapper().reader(PhysicalPlan.class);
    ObjectWriter writer = lpp.getMapper().writer();
    PhysicalPlan plan = reader.readPhysicalPlan(Files.asCharSource(DrillFileUtils.getResourceAsFile("/physical_test1.json"), Charsets.UTF_8).read());
    plan.unparse(writer);
  }
}