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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.indexinglanguage.expressions;
import com.yahoo.document.DataType;
import com.yahoo.document.datatypes.FieldValue;
import com.yahoo.document.datatypes.IntegerFieldValue;
import com.yahoo.document.datatypes.LongFieldValue;
import com.yahoo.document.datatypes.PredicateFieldValue;
import com.yahoo.document.predicate.Predicate;
import org.junit.Test;
import org.mockito.Mockito;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerifyCtx;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerifyCtxThrows;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerifyThrows;
import static org.junit.Assert.*;
/**
* @author Simon Thoresen Hult
*/
public class OptimizePredicateTestCase {
@Test
public void requireThatOptimizerIsCalledWithCloneOfInput() {
final Predicate predicateA = Mockito.mock(Predicate.class);
final Predicate predicateB = Mockito.mock(Predicate.class);
final PredicateFieldValue input = new PredicateFieldValue(predicateA);
ExecutionContext ctx = new ExecutionContext()
.setValue(input)
.setVariable("arity", new IntegerFieldValue(10));
FieldValue output = new OptimizePredicateExpression(
(predicate, options) -> {
assertNotSame(predicateA, predicate);
return predicateB;
}
).execute(ctx);
assertNotSame(output, input);
assertTrue(output instanceof PredicateFieldValue);
assertSame(predicateB, ((PredicateFieldValue)output).getPredicate());
}
@Test
public void requireThatPredicateOptionsAreSet() {
final Predicate predicate = Mockito.mock(Predicate.class);
final PredicateFieldValue input = new PredicateFieldValue(predicate);
ExecutionContext ctx = new ExecutionContext()
.setValue(input)
.setVariable("arity", new IntegerFieldValue(10));
new OptimizePredicateExpression((predicate1, options) -> {
assertEquals(10, options.getArity());
assertEquals(0x8000000000000000L, options.getLowerBound());
assertEquals(0x7fffffffffffffffL, options.getUpperBound());
return predicate1;
}).execute(ctx);
ctx.setVariable("upper_bound", new LongFieldValue(1000));
ctx.setVariable("lower_bound", new LongFieldValue(0));
new OptimizePredicateExpression(
(value, options) -> {
assertEquals(10, options.getArity());
assertEquals(0, options.getLowerBound());
assertEquals(1000, options.getUpperBound());
return value;
}
).execute(ctx);
}
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new OptimizePredicateExpression();
assertTrue(exp.equals(exp));
assertFalse(exp.equals(new Object()));
assertTrue(exp.equals(new OptimizePredicateExpression()));
assertEquals(exp.hashCode(), new OptimizePredicateExpression().hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new OptimizePredicateExpression();
assertVerifyThrows(null, exp, "Expected predicate input, but no input is specified");
assertVerifyThrows(DataType.INT, exp, "Expected predicate input, got int");
assertVerifyThrows(DataType.PREDICATE, exp, "Variable 'arity' must be set");
VerificationContext context = new VerificationContext().setValueType(DataType.PREDICATE);
context.setVariable("arity", DataType.STRING);
assertVerifyCtxThrows(context, exp, "Variable 'arity' must have type int");
context.setVariable("arity", DataType.INT);
assertVerifyCtx(context, exp, DataType.PREDICATE);
context.setVariable("lower_bound", DataType.INT);
assertVerifyCtxThrows(context, exp, "Variable 'lower_bound' must have type long");
context.setVariable("lower_bound", DataType.LONG);
assertVerifyCtx(context, exp, DataType.PREDICATE);
context.setVariable("upper_bound", DataType.INT);
assertVerifyCtxThrows(context, exp, "Variable 'upper_bound' must have type long");
context.setVariable("upper_bound", DataType.LONG);
assertVerifyCtx(context, exp, DataType.PREDICATE);
}
}
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