openaz-xacml-test/src/test/java/org/apache/openaz/xacml/pdp/std/functions/FunctionDefinitionStringNormalizeTest.java

/*
 *  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.
 *
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package org.apache.openaz.xacml.pdp.std.functions;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.ArrayList;
import java.util.List;

import org.apache.openaz.xacml.api.XACML3;
import org.apache.openaz.xacml.pdp.policy.ExpressionResult;
import org.apache.openaz.xacml.pdp.policy.FunctionArgument;
import org.apache.openaz.xacml.pdp.policy.FunctionArgumentAttributeValue;
import org.apache.openaz.xacml.pdp.std.StdFunctions;
import org.apache.openaz.xacml.pdp.std.functions.FunctionDefinitionStringNormalize;
import org.apache.openaz.xacml.std.datatypes.DataTypes;
import org.junit.Test;

/**
 * Test of PDP Functions (See XACML core spec section A.3) TO RUN - use jUnit In Eclipse select this file or
 * the enclosing directory, right-click and select Run As/JUnit Test
 */
public class FunctionDefinitionStringNormalizeTest {

    /*
     * variables useful in the following tests
     */
    List<FunctionArgument> arguments = new ArrayList<FunctionArgument>();

    @Test
    public void testString_normalize_space() {
        String initialString = "  First and last are whitespace        ";
        FunctionArgumentAttributeValue attr1 = null;
        try {
            attr1 = new FunctionArgumentAttributeValue(
                                                       DataTypes.DT_STRING
                                                           .createAttributeValue(initialString));
        } catch (Exception e) {
            fail("creating attribute e=" + e);
        }

        FunctionDefinitionStringNormalize fd = (FunctionDefinitionStringNormalize)StdFunctions.FD_STRING_NORMALIZE_SPACE;

        // check identity and type of the thing created
        assertEquals(XACML3.ID_FUNCTION_STRING_NORMALIZE_SPACE, fd.getId());
        assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeArgs().getId());
        assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeId());

        // just to be safe... If tests take too long these can probably be eliminated
        assertFalse(fd.returnsBag());
        assertEquals(new Integer(1), fd.getNumArgs());

        // test normal add
        arguments.add(attr1);
        ExpressionResult res = fd.evaluate(null, arguments);
        assertTrue(res.isOk());
        String resValue = (String)res.getValue().getValue();
        assertTrue(initialString.trim().equals(resValue));
    }

    @Test
    public void testString_normalize_to_lower_case() {
        String initialString = "  First and last are whitespace         ";
        FunctionArgumentAttributeValue attr1 = null;
        try {
            attr1 = new FunctionArgumentAttributeValue(
                                                       DataTypes.DT_STRING
                                                           .createAttributeValue(initialString));
        } catch (Exception e) {
            fail("creating attribute e=" + e);
        }

        FunctionDefinitionStringNormalize fd = (FunctionDefinitionStringNormalize)StdFunctions.FD_STRING_NORMALIZE_TO_LOWER_CASE;

        // check identity and type of the thing created
        assertEquals(XACML3.ID_FUNCTION_STRING_NORMALIZE_TO_LOWER_CASE, fd.getId());
        assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeArgs().getId());
        assertEquals(DataTypes.DT_STRING.getId(), fd.getDataTypeId());

        // just to be safe... If tests take too long these can probably be eliminated
        assertFalse(fd.returnsBag());
        assertEquals(new Integer(1), fd.getNumArgs());

        // test normal add
        arguments.add(attr1);
        ExpressionResult res = fd.evaluate(null, arguments);
        assertTrue(res.isOk());
        String resValue = (String)res.getValue().getValue();
        assertTrue(initialString.toLowerCase().equals(resValue));
    }

}