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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.expressions;
import com.yahoo.document.DataType;
import com.yahoo.document.Document;
import com.yahoo.document.Field;
import com.yahoo.document.datatypes.LongFieldValue;
import com.yahoo.document.datatypes.StringFieldValue;
import com.yahoo.language.Linguistics;
import com.yahoo.language.process.Embedder;
import com.yahoo.language.simple.SimpleLinguistics;
import com.yahoo.vespa.indexinglanguage.ExpressionSearcher;
import com.yahoo.vespa.indexinglanguage.SimpleTestAdapter;
import com.yahoo.vespa.indexinglanguage.parser.ParseException;
import com.yahoo.yolean.Exceptions;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* @author bratseth
*/
public class ChoiceTestCase {
@Test
public void testChoiceExecution() {
var choice = new ChoiceExpression(new InputExpression("foo"), new InputExpression("bar"));
{ // foo only
var adapter = new SimpleTestAdapter(new Field("foo", DataType.STRING));
adapter.setValue("foo", new StringFieldValue("foo1"));
ExecutionContext context = new ExecutionContext(adapter);
choice.execute(context);
assertEquals("foo1", context.getValue().getWrappedValue());
}
{ // bar only
var adapter = new SimpleTestAdapter(new Field("bar", DataType.STRING));
adapter.setValue("bar", new StringFieldValue("bar1"));
ExecutionContext context = new ExecutionContext(adapter);
choice.execute(context);
assertEquals("bar1", context.getValue().getWrappedValue());
}
{ // both foo and bar
var adapter = new SimpleTestAdapter(new Field("foo", DataType.STRING), new Field("bar", DataType.STRING));
adapter.setValue("foo", new StringFieldValue("foo1"));
adapter.setValue("bar", new StringFieldValue("bar1"));
choice.verify(adapter);
ExecutionContext context = new ExecutionContext(adapter);
choice.execute(context);
assertEquals("foo1", context.getValue().getWrappedValue());
}
}
@Test
public void testChoiceWithConstant() throws ParseException {
var choice = parse("input timestamp || 99999999L | attribute timestamp");
{ // value is set
var adapter = new SimpleTestAdapter(new Field("timestamp", DataType.LONG));
choice.verify(adapter);
adapter.setValue("timestamp", new LongFieldValue(34));
ExecutionContext context = new ExecutionContext(adapter);
choice.execute(context);
assertEquals(34L, context.getValue().getWrappedValue());
}
{ // fallback to default
var adapter = new SimpleTestAdapter(new Field("timestamp", DataType.LONG));
choice.verify(adapter);
ExecutionContext context = new ExecutionContext(adapter);
choice.execute(context);
assertEquals(99999999L, context.getValue().getWrappedValue());
}
}
@Test
public void testIllegalChoiceExpression() throws ParseException {
try {
parse("input (foo || 99999999) | attribute");
}
catch (IllegalArgumentException e) {
assertEquals("'input' must be given a field name as argument", Exceptions.toMessageString(e));
}
}
@Test
public void testInnerConvert() throws ParseException {
var expression = parse("(input foo || 99999999) | attribute");
new ExpressionSearcher<>(AttributeExpression.class).searchIn(expression); // trigger innerConvert
}
private static Expression parse(String s) throws ParseException {
return Expression.fromString(s, new SimpleLinguistics(), Embedder.throwsOnUse.asMap());
}
}
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