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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.semantics.parser.test;
import java.util.Iterator;
import com.yahoo.javacc.UnicodeUtilities;
import com.yahoo.prelude.semantics.RuleBase;
import com.yahoo.prelude.semantics.RuleImporter;
import com.yahoo.prelude.semantics.parser.ParseException;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Tests parsing of semantic rules bases
*
* @author bratseth
*/
public class SemanticsParserTestCase {
private final static String ROOT = "src/test/java/com/yahoo/prelude/semantics/parser/test/";
@Test
public void testRuleReading() throws java.io.IOException, ParseException {
RuleBase rules=new RuleImporter().importFile(ROOT + "rules.sr");
Iterator<?> i=rules.ruleIterator();
assertEquals("[listing] [preposition] [place] -> listing:[listing] place:[place]!150",
i.next().toString());
assertEquals("[listing] [place] +> place:[place]",
i.next().toString());
assertEquals("[brand] -> brand:[brand]",
i.next().toString());
assertEquals("[category] -> category:[category]",
i.next().toString());
assertEquals("digital camera -> digicamera",
i.next().toString());
assertEquals("(parameter.ranking='cat'), (parameter.ranking='cat0') -> one",i.next().toString());
assertFalse(i.hasNext());
i=rules.conditionIterator();
assertEquals("[listing] :- restaurant, shop, cafe, hotel",
i.next().toString());
assertEquals("[preposition] :- in, at, near",
i.next().toString());
assertEquals("[place] :- geary",
i.next().toString());
assertEquals("[brand] :- sony, dell",
i.next().toString());
assertEquals("[category] :- digital camera, camera, phone",
i.next().toString());
assertFalse(i.hasNext());
assertTrue(rules.isDefault());
assertEquals(ROOT + "semantics.fsa",rules.getAutomataFile());
}
}
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