forked from apache/asterixdb
/
NullMissingTest.java
117 lines (103 loc) · 5.14 KB
/
NullMissingTest.java
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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.asterix.runtime;
import static org.mockito.Mockito.mock;
import java.util.Iterator;
import java.util.List;
import org.apache.asterix.om.functions.IFunctionDescriptor;
import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
import org.apache.asterix.om.types.ATypeTag;
import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
import org.apache.asterix.runtime.functions.FunctionCollection;
import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
import org.apache.hyracks.algebricks.runtime.evaluators.ConstantEvalFactory;
import org.apache.hyracks.api.context.IHyracksTaskContext;
import org.apache.hyracks.data.std.api.IPointable;
import org.apache.hyracks.data.std.primitive.VoidPointable;
import org.junit.Assert;
import org.junit.Test;
public class NullMissingTest {
@Test
public void test() throws Exception {
List<IFunctionDescriptorFactory> functions =
FunctionCollection.createDefaultFunctionCollection().getFunctionDescriptorFactories();
int testedFunctions = 0;
for (IFunctionDescriptorFactory func : functions) {
String className = func.getClass().getName();
// We test all generated functions except
// record and cast functions, which requires type settings (we test them in runtime tests).
if (className.contains("Gen") && !className.contains("record") && !className.contains("Cast")) {
System.out.println("Testing " + className);
testFunction(func);
++testedFunctions;
}
}
// 217 is the current number of functions with generated code.
Assert.assertTrue("expected >= 217 generated functions to be tested, but was " + testedFunctions,
testedFunctions >= 217);
}
private void testFunction(IFunctionDescriptorFactory funcFactory) throws Exception {
IFunctionDescriptor functionDescriptor = funcFactory.createFunctionDescriptor();
if (!(functionDescriptor instanceof AbstractScalarFunctionDynamicDescriptor)) {
return;
}
AbstractScalarFunctionDynamicDescriptor funcDesc = (AbstractScalarFunctionDynamicDescriptor) functionDescriptor;
int inputArity = funcDesc.getIdentifier().getArity();
Iterator<IScalarEvaluatorFactory[]> argEvalFactoryIterator = getArgCombinations(inputArity);
int index = 0;
while (argEvalFactoryIterator.hasNext()) {
IScalarEvaluatorFactory evalFactory = funcDesc.createEvaluatorFactory(argEvalFactoryIterator.next());
IHyracksTaskContext ctx = mock(IHyracksTaskContext.class);
IScalarEvaluator evaluator = evalFactory.createScalarEvaluator(ctx);
IPointable resultPointable = new VoidPointable();
evaluator.evaluate(null, resultPointable);
if (index != 0) {
Assert.assertTrue(resultPointable.getByteArray()[resultPointable
.getStartOffset()] == ATypeTag.SERIALIZED_MISSING_TYPE_TAG);
} else {
Assert.assertTrue(resultPointable.getByteArray()[resultPointable
.getStartOffset()] == ATypeTag.SERIALIZED_NULL_TYPE_TAG);
}
++index;
}
}
private Iterator<IScalarEvaluatorFactory[]> getArgCombinations(int inputArity) {
int argSize = inputArity >= 0 ? inputArity : 3;
final int numCombinations = 1 << argSize;
return new Iterator<IScalarEvaluatorFactory[]>() {
private int index = 0;
@Override
public boolean hasNext() {
return index < numCombinations;
}
@Override
public IScalarEvaluatorFactory[] next() {
IScalarEvaluatorFactory[] scalarEvaluatorFactories = new IScalarEvaluatorFactory[argSize];
for (int j = 0; j < argSize; ++j) {
byte serializedTypeTag = (index & (1 << j)) != 0 ? ATypeTag.SERIALIZED_MISSING_TYPE_TAG
: ATypeTag.SERIALIZED_NULL_TYPE_TAG;
scalarEvaluatorFactories[j] = new ConstantEvalFactory(new byte[] { serializedTypeTag });
}
++index;
return scalarEvaluatorFactories;
}
};
}
}