/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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*/
package org.teiid.query.function;
import java.io.File;
import java.io.FileInputStream;
import java.util.List;
import junit.framework.TestCase;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.metadata.FunctionMethod;
import org.teiid.metadata.FunctionParameter;
import org.teiid.metadata.FunctionMethod.PushDown;
import org.teiid.metadata.FunctionMethod.Determinism;
import org.teiid.query.function.metadata.FunctionMetadataReader;
@SuppressWarnings("nls")
public class TestFunctionMetadataReader extends TestCase {
public void testLoadFunctionMethods() throws Exception {
List<FunctionMethod> fns = FunctionMetadataReader.loadFunctionMethods(new FileInputStream(UnitTestUtil.getTestDataPath()+File.separator+"udf.xmi"));
assertEquals(3, fns.size());
for (FunctionMethod m:fns) {
if (m.getName().equals("GetSystemProperty")) {
assertEquals("MyFunctions", m.getCategory());
assertEquals("com.metamatrix.dqp.embedded.udf.MyFunctions", m.getInvocationClass());
assertEquals("getProperty", m.getInvocationMethod());
assertEquals(PushDown.CAN_PUSHDOWN, m.getPushdown());
assertEquals(Determinism.DETERMINISTIC, m.getDeterminism());
assertNull(m.getDescription());
assertEquals(1, m.getInputParameterCount());
FunctionParameter in = m.getInputParameters().get(0);
assertEquals("prop", in.getName());
assertEquals("string", in.getType());
assertNull(in.getDescription());
assertNotNull(m.getOutputParameter());
assertEquals(FunctionParameter.OUTPUT_PARAMETER_NAME, m.getOutputParameter().getName());
assertEquals("string", m.getOutputParameter().getType());
}
else if (m.getName().equals("getpushdown")) {
assertEquals("MyFunctions", m.getCategory());
assertEquals("com.metamatrix.dqp.embedded.udf.MyFunctions", m.getInvocationClass());
assertEquals("getPropertyNoArgs", m.getInvocationMethod());
assertEquals(PushDown.CANNOT_PUSHDOWN, m.getPushdown());
assertEquals(Determinism.DETERMINISTIC, m.getDeterminism());
assertNull(m.getDescription());
assertEquals(0, m.getInputParameterCount());
assertNotNull(m.getOutputParameter());
assertEquals(FunctionParameter.OUTPUT_PARAMETER_NAME, m.getOutputParameter().getName());
assertEquals("string", m.getOutputParameter().getType());
}
else if (m.getName().equals("getxyz")) {
assertEquals("MyFunctions", m.getCategory());
assertEquals("com.metamatrix.dqp.embedded.udf.MyFunctions", m.getInvocationClass());
assertEquals("getPropertyNoArgs", m.getInvocationMethod());
assertEquals(PushDown.CAN_PUSHDOWN, m.getPushdown());
assertEquals(Determinism.NONDETERMINISTIC, m.getDeterminism());
assertNull(m.getDescription());
assertEquals(0, m.getInputParameterCount());
assertNotNull(m.getOutputParameter());
assertEquals(FunctionParameter.OUTPUT_PARAMETER_NAME, m.getOutputParameter().getName());
assertEquals("string", m.getOutputParameter().getType());
}
else {
fail("unknown method");
}
}
}
}