/*
 * Copyright 2005 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. 
 */
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
        }
    }
}