/*
 * Copyright 2005-2010 the original author or authors.
 * 
 * Licensed 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.wamblee.security.authorization;

import junit.framework.TestCase;

/**
 * Test of the operation registry.
 * 
 * @author Erik Brakkee
 */
public class DefaultOperationRegistryTest extends TestCase {
    private OperationRegistry registry;

    /*
     * (non-Javadoc)
     * 
     * @see junit.framework.TestCase#setUp()
     */
    @Override
    protected void setUp() throws Exception {
        registry = new DefaultOperationRegistry(new Operation[] {
            new AllOperation(), new ReadOperation(), new WriteOperation(),
            new DeleteOperation(), new CreateOperation() });
    }

    /**
     * Tests encoding and decoding of no operations.
     */
    public void testEncodeDecodeNooperations() {
        assertEquals("", registry.encode(new Operation[0]));
        assertEquals(0, registry.decode(Object.class, "").length);
    }

    /**
     * Verifies that encoding of operations into a string works.
     */
    public void testEncode() {
        assertEquals("read,write", registry.encode(new Operation[] {
            new ReadOperation(), new WriteOperation() }));
    }

    /**
     * Verifies that decoding of operation from a string works.
     */
    public void testDecode() {
        Operation[] operations = registry.decode(Object.class, "read,write");
        assertTrue(operations[0] instanceof ReadOperation);
        assertTrue(operations[1] instanceof WriteOperation);
    }

    /**
     * Verifies that an IllegalArgumentException occurs when attempting to
     * decode an operation that is not known.
     */
    public void testDecodeUnknownOperation() {
        try {
            registry.decode(Object.class, "bla");
            fail();
        } catch (IllegalArgumentException e) {
            // ok
        }
    }
}