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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.indexinglanguage;
import com.yahoo.collections.Pair;
import com.yahoo.document.datatypes.IntegerFieldValue;
import com.yahoo.language.simple.SimpleLinguistics;
import com.yahoo.vespa.indexinglanguage.expressions.ArithmeticExpression;
import com.yahoo.vespa.indexinglanguage.expressions.AttributeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.Base64DecodeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.Base64EncodeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.CatExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ClearStateExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ConstantExpression;
import com.yahoo.vespa.indexinglanguage.expressions.EchoExpression;
import com.yahoo.vespa.indexinglanguage.expressions.Expression;
import com.yahoo.vespa.indexinglanguage.expressions.ForEachExpression;
import com.yahoo.vespa.indexinglanguage.expressions.GetFieldExpression;
import com.yahoo.vespa.indexinglanguage.expressions.GetVarExpression;
import com.yahoo.vespa.indexinglanguage.expressions.GuardExpression;
import com.yahoo.vespa.indexinglanguage.expressions.HexDecodeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.HexEncodeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.HostNameExpression;
import com.yahoo.vespa.indexinglanguage.expressions.IfThenExpression;
import com.yahoo.vespa.indexinglanguage.expressions.IndexExpression;
import com.yahoo.vespa.indexinglanguage.expressions.InputExpression;
import com.yahoo.vespa.indexinglanguage.expressions.JoinExpression;
import com.yahoo.vespa.indexinglanguage.expressions.LowerCaseExpression;
import com.yahoo.vespa.indexinglanguage.expressions.NormalizeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.NowExpression;
import com.yahoo.vespa.indexinglanguage.expressions.OptimizePredicateExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ParenthesisExpression;
import com.yahoo.vespa.indexinglanguage.expressions.RandomExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ScriptExpression;
import com.yahoo.vespa.indexinglanguage.expressions.SelectInputExpression;
import com.yahoo.vespa.indexinglanguage.expressions.SetLanguageExpression;
import com.yahoo.vespa.indexinglanguage.expressions.SetVarExpression;
import com.yahoo.vespa.indexinglanguage.expressions.SplitExpression;
import com.yahoo.vespa.indexinglanguage.expressions.StatementExpression;
import com.yahoo.vespa.indexinglanguage.expressions.SubstringExpression;
import com.yahoo.vespa.indexinglanguage.expressions.SummaryExpression;
import com.yahoo.vespa.indexinglanguage.expressions.SwitchExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ThisExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToArrayExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToByteExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToDoubleExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToFloatExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToIntegerExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToLongExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToPositionExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToStringExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ToWsetExpression;
import com.yahoo.vespa.indexinglanguage.expressions.TokenizeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.TrimExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ZCurveExpression;
import com.yahoo.vespa.indexinglanguage.linguistics.AnnotatorConfig;
import org.junit.Test;
import java.util.Collections;
import static org.junit.Assert.assertEquals;
/**
* @author Simon Thoresen Hult
*/
public class ExpressionVisitorTestCase {
@SuppressWarnings("unchecked")
@Test
public void requireThatAllExpressionsAreVisited() {
assertCount(3, new ArithmeticExpression(new InputExpression("foo"), ArithmeticExpression.Operator.ADD,
new InputExpression("bar")));
assertCount(1, new AttributeExpression("foo"));
assertCount(1, new Base64DecodeExpression());
assertCount(1, new Base64EncodeExpression());
assertCount(3, new CatExpression(new InputExpression("foo"), new IndexExpression("bar")));
assertCount(1, new ClearStateExpression());
assertCount(1, new EchoExpression());
assertCount(2, new ForEachExpression(new IndexExpression("foo")));
assertCount(1, new GetFieldExpression("foo"));
assertCount(1, new GetVarExpression("foo"));
assertCount(2, new GuardExpression(new IndexExpression("foo")));
assertCount(1, new HexDecodeExpression());
assertCount(1, new HexEncodeExpression());
assertCount(1, new HostNameExpression());
assertCount(5, new IfThenExpression(new InputExpression("foo"), IfThenExpression.Comparator.EQ,
new InputExpression("bar"),
new IndexExpression("baz"),
new IndexExpression("cox")));
assertCount(1, new IndexExpression("foo"));
assertCount(1, new InputExpression("foo"));
assertCount(1, new JoinExpression("foo"));
assertCount(1, new LowerCaseExpression());
assertCount(1, new NormalizeExpression(new SimpleLinguistics()));
assertCount(1, new NowExpression());
assertCount(1, new OptimizePredicateExpression());
assertCount(2, new ParenthesisExpression(new InputExpression("foo")));
assertCount(1, new RandomExpression(69));
assertCount(3, new ScriptExpression(new StatementExpression(new InputExpression("foo"))));
assertCount(3, new SelectInputExpression(new Pair<String, Expression>("foo", new IndexExpression("bar")),
new Pair<String, Expression>("bar", new IndexExpression("foo"))));
assertCount(1, new SetLanguageExpression());
assertCount(1, new ConstantExpression(new IntegerFieldValue(69)));
assertCount(1, new SetVarExpression("foo"));
assertCount(1, new SplitExpression("foo"));
assertCount(2, new StatementExpression(new InputExpression("foo")));
assertCount(1, new SummaryExpression("foo"));
assertCount(1, new SubstringExpression(6, 9));
assertCount(3, new SwitchExpression(Collections.singletonMap("foo", (Expression)new IndexExpression("bar")),
new InputExpression("baz")));
assertCount(1, new ThisExpression());
assertCount(1, new ToArrayExpression());
assertCount(1, new ToByteExpression());
assertCount(1, new ToDoubleExpression());
assertCount(1, new ToFloatExpression());
assertCount(1, new ToIntegerExpression());
assertCount(1, new TokenizeExpression(new SimpleLinguistics(), new AnnotatorConfig()));
assertCount(1, new ToLongExpression());
assertCount(1, new ToPositionExpression());
assertCount(1, new ToStringExpression());
assertCount(1, new ToWsetExpression(false, false));
assertCount(1, new TrimExpression());
assertCount(1, new ZCurveExpression());
}
private static void assertCount(int expectedCount, Expression exp) {
MyVisitor visitor = new MyVisitor();
visitor.visit(exp);
assertEquals(expectedCount, visitor.count);
}
private static class MyVisitor extends ExpressionVisitor {
int count = 0;
@Override
protected void doVisit(Expression exp) {
++count;
}
}
}
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