/*
 * 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.jpa;

import javax.persistence.EntityManager;

import org.apache.log4j.Logger;
import org.wamblee.security.authorization.AbstractAuthorizationService;
import org.wamblee.security.authorization.AllOperation;
import org.wamblee.security.authorization.AuthorizationResult;
import org.wamblee.security.authorization.AuthorizationService;
import org.wamblee.security.authorization.AuthorizationServiceTest;
import org.wamblee.security.authorization.TestAuthorizationRule;
import org.wamblee.support.persistence.JpaTester;
import org.wamblee.support.persistence.TransactionProxyFactory;
import org.wamblee.support.persistence.JpaBuilder.JpaUnitOfWork;
import org.wamblee.usermgt.jpa.SecurityPersistenceUnit;

/**
 * Unit test for the persistent authorization service.
 * 
 * @author Erik Brakkee
 */
public class JpaAuthorizationServiceTest extends AuthorizationServiceTest {
    private static final Logger LOGGER = Logger
        .getLogger(JpaAuthorizationServiceTest.class);

    private static final String SERVICE_TABLE = "SEC_AUTH_SVC";

    private static final String RULES_TABLE = "SEC_AUTH_RULE";

    private static final String SERVICE_RULES_TABLE = "SEC_AUTH_SVC_SEC_AUTH_RULE";

    private static final String OPERATIONCOND_TABLE = "SEC_OPERATION_CONDITION";

    private static final String PATHCOND_TABLE = "SEC_PATH_CONDITION";

    private static final String USERCOND_TABLE = "SEC_USER_CONDITION";

    private JpaTester jpaTester;

    private AuthorizationService authorizationService;

    @Override
    protected void setUp() throws Exception {
        jpaTester = new JpaTester(new SecurityPersistenceUnit());
        jpaTester.start();

        super.setUp();
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.wamblee.security.authorization.AuthorizationServiceTest#createService
     * ()
     */
    @Override
    protected AuthorizationService createService() {
        TransactionProxyFactory<AuthorizationService> factory = new TransactionProxyFactory<AuthorizationService>(
            jpaTester.getJpaBuilder(), AuthorizationService.class);
        JpaAuthorizationService service = new JpaAuthorizationService(
            "DEFAULT", factory.getTransactionScopedEntityManager(),
            createUserAccessor(), 10000);

        return factory.getProxy(service);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.wamblee.security.authorization.AuthorizationServiceTest#checkRuleCount
     * (int)
     */
    @Override
    protected void checkRuleCount(int aCount) {
        try {
            assertEquals(1, jpaTester.getDbUtils().getTableSize(SERVICE_TABLE));
            assertEquals(aCount, jpaTester.getDbUtils().getTableSize(
                RULES_TABLE));
            assertEquals(aCount, jpaTester.getDbUtils().getTableSize(
                SERVICE_RULES_TABLE));
            assertEquals(aCount, jpaTester.getDbUtils().getTableSize(
                USERCOND_TABLE));
            assertEquals(aCount, jpaTester.getDbUtils().getTableSize(
                PATHCOND_TABLE));
            assertEquals(aCount, jpaTester.getDbUtils().getTableSize(
                OPERATIONCOND_TABLE));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public void testPerformance() {
        int n = 1000;
        long time = System.currentTimeMillis();

        for (int i = 0; i < n; i++) {
            testFirstRuleGrants();
            resetTestRules();
            testSecondRuleDenies();
            resetTestRules();
            testThirdRuleGrants();
            resetTestRules();
            testNoRulesSupportResource();
        }

        LOGGER.info("Executed " + (4 * n) + " authorization checks in " +
            ((float) (System.currentTimeMillis() - time) / (float) 1000) +
            " seconds.");
    }
}