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

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.net.URI;
import java.util.ArrayList;
import java.util.List;

import org.apache.openaz.xacml.api.XACML2;
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.FunctionDefinitionURIStringConcatenate;
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 FunctionDefinitionURIStringConcatenateTest {

    /*
     * THE FUNCTION BEING TESTED BY THIS CLASS IS DEPRECATED uri-string-concatenate has been deprecated in
     * XACML 3.0
     */

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

    @SuppressWarnings("deprecation")
    @Test
    public void testURI_string_concatenate() {

        // URI args
        FunctionArgumentAttributeValue attrURI1 = null;

        FunctionArgumentAttributeValue attrStrAbc = null;
        FunctionArgumentAttributeValue attrStrSlashMno = null;
        FunctionArgumentAttributeValue attrStrSlashInMiddle = null;
        FunctionArgumentAttributeValue attrStrWithSpace = null;

        try {
            attrURI1 = new FunctionArgumentAttributeValue(
                                                          DataTypes.DT_ANYURI
                                                              .createAttributeValue("http://someplace"));

            attrStrAbc = new FunctionArgumentAttributeValue(DataTypes.DT_STRING.createAttributeValue("Abc"));
            attrStrSlashMno = new FunctionArgumentAttributeValue(
                                                                 DataTypes.DT_STRING
                                                                     .createAttributeValue("/Mno"));
            attrStrSlashInMiddle = new FunctionArgumentAttributeValue(
                                                                      DataTypes.DT_STRING
                                                                          .createAttributeValue("hij/pqr"));
            attrStrWithSpace = new FunctionArgumentAttributeValue(
                                                                  DataTypes.DT_STRING
                                                                      .createAttributeValue("x y z"));

        } catch (Exception e) {
            fail("creating attributes e=" + e);
        }

        // deprecation marking in the following line is correct - this function IS deprecated but still valid
        // for XACML 3.0
        FunctionDefinitionURIStringConcatenate fd = (FunctionDefinitionURIStringConcatenate)StdFunctions.FD_URI_STRING_CONCATENATE;

        // check identity and type of the thing created
        assertEquals(XACML2.ID_FUNCTION_URI_STRING_CONCATENATE, fd.getId());
        assertEquals(DataTypes.DT_ANYURI.getId(), fd.getDataTypeId());

        // just to be safe... If tests take too long these can probably be eliminated
        assertFalse(fd.returnsBag());

        // add one string to uri
        arguments.clear();
        arguments.add(attrURI1);
        arguments.add(attrStrAbc);
        ExpressionResult res = fd.evaluate(null, arguments);
        assertTrue(res.isOk());
        assertEquals(URI.class, res.getValue().getValue().getClass());
        URI resValue = (URI)res.getValue().getValue();
        assertEquals("http://someplaceAbc", resValue.toString());

        // add 2 strings to uri
        arguments.clear();
        arguments.add(attrURI1);
        arguments.add(attrStrAbc);
        arguments.add(attrStrSlashMno);
        res = fd.evaluate(null, arguments);
        assertTrue(res.isOk());
        assertEquals(URI.class, res.getValue().getValue().getClass());
        resValue = (URI)res.getValue().getValue();
        assertEquals("http://someplaceAbc/Mno", resValue.toString());

        // slash in middle of string
        arguments.clear();
        arguments.add(attrURI1);
        arguments.add(attrStrSlashInMiddle);
        arguments.add(attrStrSlashMno);
        res = fd.evaluate(null, arguments);
        assertTrue(res.isOk());
        assertEquals(URI.class, res.getValue().getValue().getClass());
        resValue = (URI)res.getValue().getValue();
        assertEquals("http://someplacehij/pqr/Mno", resValue.toString());

        // create bad uri
        arguments.clear();
        arguments.add(attrURI1);
        arguments.add(attrStrWithSpace);
        arguments.add(attrStrSlashMno);
        res = fd.evaluate(null, arguments);
        assertFalse(res.isOk());
        assertEquals("function:uri-string-concatenate Final string 'http://someplacex y z/Mno' not URI, Illegal character in authority at index 7: http://someplacex y z/Mno",
                     res.getStatus().getStatusMessage());
        assertEquals("urn:oasis:names:tc:xacml:1.0:status:syntax-error", res.getStatus().getStatusCode()
            .getStatusCodeValue().stringValue());

        // no args
        arguments.clear();
        res = fd.evaluate(null, arguments);
        assertFalse(res.isOk());
        assertEquals("function:uri-string-concatenate Expected 2 or more arguments, got 0", res.getStatus()
            .getStatusMessage());
        assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode()
            .getStatusCodeValue().stringValue());

        // one arg
        arguments.clear();
        arguments.add(attrURI1);
        res = fd.evaluate(null, arguments);
        assertFalse(res.isOk());
        assertEquals("function:uri-string-concatenate Expected 2 or more arguments, got 1", res.getStatus()
            .getStatusMessage());
        assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode()
            .getStatusCodeValue().stringValue());

        // first arg not uri
        arguments.clear();
        arguments.add(attrStrAbc);
        arguments.add(attrURI1);
        res = fd.evaluate(null, arguments);
        assertFalse(res.isOk());
        assertEquals("function:uri-string-concatenate Expected data type 'anyURI' saw 'string' at arg index 0",
                     res.getStatus().getStatusMessage());
        assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode()
            .getStatusCodeValue().stringValue());

        // 2nd arg not string
        arguments.clear();
        arguments.add(attrURI1);
        arguments.add(attrURI1);
        res = fd.evaluate(null, arguments);
        assertFalse(res.isOk());
        assertEquals("function:uri-string-concatenate Expected data type 'string' saw 'anyURI' at arg index 1",
                     res.getStatus().getStatusMessage());
        assertEquals("urn:oasis:names:tc:xacml:1.0:status:processing-error", res.getStatus().getStatusCode()
            .getStatusCodeValue().stringValue());

    }

}