/**
* 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 java.math.BigDecimal;
import mockit.Injectable;
import mockit.NonStrictExpectations;
import org.apache.drill.common.config.DrillConfig;
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.CoordinationProtos;
import org.apache.drill.exec.proto.BitControl.PlanFragment;
import org.apache.drill.exec.rpc.user.UserServer;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.drill.exec.vector.ValueVector;
import org.apache.drill.exec.vector.VarCharVector;
import org.junit.Test;
import com.codahale.metrics.MetricRegistry;
import com.google.common.base.Charsets;
import com.google.common.io.Resources;
public class TestNewMathFunctions {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestNewMathFunctions.class);
DrillConfig c = DrillConfig.create();
PhysicalPlanReader reader;
FunctionImplementationRegistry registry;
FragmentContext context;
public Object[] getRunResult(SimpleRootExec exec) {
int size = 0;
for (ValueVector v : exec) {
size++;
}
Object[] res = new Object [size];
int i = 0;
for (ValueVector v : exec) {
if (v instanceof VarCharVector) {
res[i++] = new String( ((VarCharVector) v).getAccessor().get(0));
} else
res[i++] = v.getAccessor().getObject(0);
}
return res;
}
public void runTest(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection, Object[] expectedResults, String planPath) throws Throwable {
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry();
bitContext.getAllocator(); result = new TopLevelAllocator();
bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
bitContext.getConfig(); result = c;
}};
String planString = Resources.toString(Resources.getResource(planPath), Charsets.UTF_8);
if(reader == null) reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
if(registry == null) registry = new FunctionImplementationRegistry(c);
if(context == null) context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry); //new FragmentContext(bitContext, ExecProtos.FragmentHandle.getDefaultInstance(), connection, registry);
PhysicalPlan plan = reader.readPhysicalPlan(planString);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
while(exec.next()){
Object [] res = getRunResult(exec);
assertEquals("return count does not match", res.length, expectedResults.length);
for (int i = 0; i<res.length; i++) {
assertEquals(String.format("column %s does not match", i), res[i], expectedResults[i]);
}
}
if(context.getFailureCause() != null){
throw context.getFailureCause();
}
assertTrue(!context.isFailed());
}
@Test
public void testTrigoMathFunc(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable{
Object [] expected = new Object[] {Math.sin(45), Math.cos(45), Math.tan(45),Math.asin(45), Math.acos(45), Math.atan(45),Math.sinh(45), Math.cosh(45), Math.tanh(45)};
runTest(bitContext, connection, expected, "functions/testTrigoMathFunctions.json");
}
@Test
public void testExtendedMathFunc(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable{
BigDecimal d = new BigDecimal("100111111111111111111111111111111111.00000000000000000000000000000000000000000000000000001");
Object [] expected = new Object[] {Math.cbrt(1000), Math.log(10), (Math.log(64.0)/Math.log(2.0)), Math.exp(10), Math.toDegrees(0.5), Math.toRadians(45.0), Math.PI, Math.cbrt(d.doubleValue()), Math.log(d.doubleValue()), (Math.log(d.doubleValue())/Math.log(2)), Math.exp(d.doubleValue()), Math.toDegrees(d.doubleValue()), Math.toRadians(d.doubleValue())};
runTest(bitContext, connection, expected, "functions/testExtendedMathFunctions.json");
}
@Test
public void testTruncDivMod(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable{
Object [] expected = new Object[] {101.0, 0, 101, 1010.0, 101, 481.0, 0.001099999999931267};
runTest(bitContext, connection, expected, "functions/testDivModTruncFunctions.json");
}
}