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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 org.apache.drill.exec.client;
import static org.apache.drill.exec.planner.PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader;
import static org.junit.Assert.assertTrue;
import java.io.FileInputStream;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.util.DrillFileUtils;
import org.apache.drill.exec.ExecConstants;
import org.apache.drill.exec.ExecTest;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.ops.FragmentContextImpl;
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.BitControl.PlanFragment;
import org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
import org.apache.drill.exec.proto.helper.QueryIdHelper;
import org.apache.drill.exec.rpc.UserClientConnection;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.junit.Test;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
import org.mockito.Mockito;
/**
* The unit test case will read a physical plan in json format. The physical plan contains a "trace" operator,
* which will produce a dump file. The dump file will be input into DumpCat to test query mode and batch mode.
*/
public class DumpCatTest extends ExecTest {
private final DrillConfig c = DrillConfig.create();
@Test
public void testDumpCat() throws Throwable
{
final DrillbitContext bitContext = mockDrillbitContext();
final UserClientConnection connection = Mockito.mock(UserClientConnection.class);
final PhysicalPlanReader reader = defaultPhysicalPlanReader(c);
final PhysicalPlan plan = reader.readPhysicalPlan(Files.asCharSource(DrillFileUtils.getResourceAsFile("/trace/simple_trace.json"), Charsets.UTF_8).read());
final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
final FragmentContextImpl context = new FragmentContextImpl(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
while(exec.next()) {
}
if(context.getExecutorState().getFailureCause() != null) {
throw context.getExecutorState().getFailureCause();
}
assertTrue(!context.getExecutorState().isFailed());
exec.close();
FragmentHandle handle = context.getHandle();
/* Form the file name to which the trace output will dump the record batches */
String qid = QueryIdHelper.getQueryId(handle.getQueryId());
final int majorFragmentId = handle.getMajorFragmentId();
final int minorFragmentId = handle.getMinorFragmentId();
final String logLocation = c.getString(ExecConstants.TRACE_DUMP_DIRECTORY);
final String filename = String.format("%s//%s_%d_%d_mock-scan", logLocation, qid, majorFragmentId, minorFragmentId);
final Configuration conf = new Configuration();
conf.set(FileSystem.FS_DEFAULT_NAME_KEY, c.getString(ExecConstants.TRACE_DUMP_FILESYSTEM));
final FileSystem fs = FileSystem.get(conf);
final Path path = new Path(filename);
assertTrue("Trace file does not exist", fs.exists(path));
final DumpCat dumpCat = new DumpCat();
//Test Query mode
try (final FileInputStream input = new FileInputStream(filename)) {
dumpCat.doQuery(input);
}
//Test Batch mode
try(final FileInputStream input = new FileInputStream(filename)) {
dumpCat.doBatch(input, 0, true);
}
}
}
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