EJBQLParser_ParseTest.java

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package org.apache.cayenne.ejbql;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;

import org.junit.Before;
import org.junit.Test;

public class EJBQLParser_ParseTest {

	private EJBQLParser parser;

	@Before
	public void before() {
		parser = EJBQLParserFactory.getParser();
	}

	@Test
	public void testDbPath() {
		EJBQLExpression select = parser.parse("select p from Painting p WHERE db:p.toArtist.ARTIST_NAME = 'a'");
		assertNotNull(select);
	}

	@Test
	public void testEnumPath() {
		EJBQLExpression select = parser
				.parse("select p from Painting p WHERE p.toArtist.ARTIST_NAME = enum:org.apache.cayenne.ejbql.EJBQLEnum1.X");
		assertNotNull(select);
	}

	@Test
	public void testImplicitOuterJoin() {
		EJBQLExpression select = parser
				.parse("SELECT a FROM Artist a WHERE a.paintingArray+.toGallery.galleryName = 'gallery2'");
		assertNotNull(select);
	}

	/**
	 * This should not parse because there are multiple non-bracketed
	 * parameters.
	 */
	@Test
	public void testInWithMultipleStringPositionalParameter_withoutBrackets() {

		try {
			parser.parse("select p from Painting p WHERE p.toArtist IN ?1, ?2");
			fail("a test in clause with multiple unbracketed parameters parsed; should not be possible");
		} catch (EJBQLException ejbqlE) {
			// expected; should not have parsed
		} catch (Throwable th) {
			fail("expected an instance of " + EJBQLException.class.getSimpleName() + " to be thrown, but; "
					+ th.getClass().getSimpleName() + " was thrown");
		}
	}
}