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package org.apache.cayenne.exp.parser;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.testdo.testmap.Artist;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @since 4.0
*/
public class ASTConcatTest {
@Test
public void testEvaluateConcat() throws Exception {
ASTObjPath path = new ASTObjPath("artistName");
ASTScalar scalar = new ASTScalar(" ");
ASTScalar scalar1 = new ASTScalar("test");
ASTConcat concat = new ASTConcat(path, scalar, scalar1);
Artist a = new Artist();
a.setArtistName("name");
Object res = concat.evaluateNode(a);
assertTrue(res instanceof String);
assertEquals("name test", res);
}
@Test
public void testParseConcat() throws Exception {
Expression exp = ExpressionFactory.exp("concat(artistName, ' ', 'test')");
assertEquals(ASTConcat.class, exp.getClass());
assertEquals(3, exp.getOperandCount());
Artist a = new Artist();
a.setArtistName("name");
Object res = exp.evaluate(a);
assertTrue(res instanceof String);
assertEquals("name test", res);
}
@Test
public void parseTest() throws Exception {
String expString = "concat(xyz , \" \" , abc)";
Expression exp = ExpressionFactory.exp(expString);
assertTrue(exp instanceof ASTConcat);
String toString = exp.toString();
assertEquals(expString, toString);
}
}