/**
* 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.fn.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import mockit.Injectable;
import mockit.NonStrictExpectations;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.expression.ExpressionPosition;
import org.apache.drill.common.expression.SchemaPath;
import org.apache.drill.common.util.FileUtils;
import org.apache.drill.exec.ExecTest;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.memory.TopLevelAllocator;
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.OperatorCreatorRegistry;
import org.apache.drill.exec.physical.impl.SimpleRootExec;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.proto.BitControl;
import org.apache.drill.exec.proto.CoordinationProtos;
import org.apache.drill.exec.rpc.user.UserServer.UserClientConnection;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.drill.exec.vector.Float8Vector;
import org.apache.drill.exec.vector.IntVector;
import org.junit.Test;
import com.codahale.metrics.MetricRegistry;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
public class TestMathFunctions extends ExecTest {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestMathFunctions.class);
DrillConfig c = DrillConfig.create();
@Test
public void testBasicMathFunctions(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable
{
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry();
bitContext.getAllocator(); result = new TopLevelAllocator();
bitContext.getConfig(); result = c;
bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/simple_math_functions.json"), Charsets.UTF_8));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, BitControl.PlanFragment.getDefaultInstance(), connection, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
while(exec.next()) {
IntVector intMulVector = exec.getValueVectorById(new SchemaPath("INTMUL", ExpressionPosition.UNKNOWN), IntVector.class);
Float8Vector floatMulVector = exec.getValueVectorById(new SchemaPath("FLOATMUL", ExpressionPosition.UNKNOWN), Float8Vector.class);
IntVector intAddVector = exec.getValueVectorById(new SchemaPath("INTADD", ExpressionPosition.UNKNOWN), IntVector.class);
Float8Vector floatAddVector = exec.getValueVectorById(new SchemaPath("FLOATADD", ExpressionPosition.UNKNOWN), Float8Vector.class);
assertEquals(exec.getRecordCount(), 1);
assertEquals(intMulVector.getAccessor().get(0), 2);
assertEquals(floatMulVector.getAccessor().get(0), (1.1 * 2.2), 0);
assertEquals(intAddVector.getAccessor().get(0), 3);
assertEquals(floatAddVector.getAccessor().get(0), (1.1 + 2.2), 0);
}
if(context.getFailureCause() != null){
throw context.getFailureCause();
}
assertTrue(!context.isFailed());
}
}