/**
* 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.impl.union;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
import com.yammer.metrics.MetricRegistry;
import mockit.Injectable;
import mockit.NonStrictExpectations;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.util.FileUtils;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.memory.BufferAllocator;
import org.apache.drill.exec.ops.FragmentContext;
import org.apache.drill.exec.physical.PhysicalPlan;
import org.apache.drill.exec.physical.base.FragmentRoot;
import org.apache.drill.exec.physical.impl.ImplCreator;
import org.apache.drill.exec.physical.impl.SimpleRootExec;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.proto.CoordinationProtos;
import org.apache.drill.exec.proto.ExecProtos;
import org.apache.drill.exec.rpc.user.UserServer;
import org.apache.drill.exec.server.DrillbitContext;
import org.junit.After;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class TestSimpleUnion {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestSimpleUnion.class);
DrillConfig c = DrillConfig.create();
@Test
public void testUnion(@Injectable final DrillbitContext bitContext, @Injectable UserServer.UserClientConnection connection) throws Throwable{
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry("test");
bitContext.getAllocator(); result = BufferAllocator.getAllocator(c);
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/union/test1.json"), Charsets.UTF_8));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, ExecProtos.FragmentHandle.getDefaultInstance(), connection, null, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
int[] counts = new int[]{100,50};
int i=0;
while(exec.next()){
System.out.println("iteration count:" + exec.getRecordCount());
assertEquals(counts[i++], exec.getRecordCount());
}
if(context.getFailureCause() != null){
throw context.getFailureCause();
}
assertTrue(!context.isFailed());
}
@After
public void tearDown() throws Exception{
// pause to get logger to catch up.
Thread.sleep(1000);
}
}