/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hp.hpl.jena.sparql.function.user;
import java.util.ArrayList;
import org.junit.Assert;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import com.hp.hpl.jena.sparql.core.Var;
import com.hp.hpl.jena.sparql.expr.E_Multiply;
import com.hp.hpl.jena.sparql.expr.Expr;
import com.hp.hpl.jena.sparql.expr.ExprVar;
import com.hp.hpl.jena.sparql.lang.sparql_11.ParseException;
/**
* Tests for the {@link UserDefinedFunctionFactory}
*
*/
public class TestUserDefinedFunctionFactory {
@BeforeClass
public static void setup() {
UserDefinedFunctionFactory.getFactory().clear();
}
@AfterClass
public static void teardown() {
UserDefinedFunctionFactory.getFactory().clear();
}
@Test
public void test_user_defined_function_factory_instance() {
UserDefinedFunctionFactory factory = UserDefinedFunctionFactory.getFactory();
Assert.assertNotNull(factory);
}
@Test
public void test_user_defined_function_factory_add_01() {
Expr e = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
UserDefinedFunctionFactory.getFactory().add("http://example/square", e, new ArrayList<Var>(e.getVarsMentioned()));
Assert.assertTrue(UserDefinedFunctionFactory.getFactory().isRegistered("http://example/square"));
Assert.assertEquals(e, UserDefinedFunctionFactory.getFactory().get("http://example/square").getBaseExpr());
}
@Test
public void test_user_defined_function_factory_add_02() {
Expr e1 = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
Expr e2 = new E_Multiply(new ExprVar("y"), new ExprVar("y"));
UserDefinedFunctionFactory.getFactory().add("http://example/square", e1, new ArrayList<Var>(e1.getVarsMentioned()));
Assert.assertTrue(UserDefinedFunctionFactory.getFactory().isRegistered("http://example/square"));
Assert.assertEquals(e1, UserDefinedFunctionFactory.getFactory().get("http://example/square").getBaseExpr());
UserDefinedFunctionFactory.getFactory().add("http://example/square", e2, new ArrayList<Var>(e2.getVarsMentioned()));
Assert.assertTrue(UserDefinedFunctionFactory.getFactory().isRegistered("http://example/square"));
Assert.assertEquals(e2, UserDefinedFunctionFactory.getFactory().get("http://example/square").getBaseExpr());
}
@Test
public void test_user_defined_function_factory_add_03() throws ParseException {
Expr e = new E_Multiply(new ExprVar("x"), new ExprVar("x"));
//Instead of registering the pre-built expression register using a string for the expression
UserDefinedFunctionFactory.getFactory().add("http://example/square", "?x * ?x", new ArrayList<Var>(e.getVarsMentioned()));
Assert.assertTrue(UserDefinedFunctionFactory.getFactory().isRegistered("http://example/square"));
Assert.assertEquals(e, UserDefinedFunctionFactory.getFactory().get("http://example/square").getBaseExpr());
}
}