com.excilys.ebi.spring.dbunit.test.RollbackTransactionalTestConfigurationProcessor.java Source code

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Here is the source code for com.excilys.ebi.spring.dbunit.test.RollbackTransactionalTestConfigurationProcessor.java

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/**
 * Copyright 2011-2012 eBusiness Information, Groupe Excilys (www.excilys.com)
 *
 * 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 com.excilys.ebi.spring.dbunit.test;

import java.lang.reflect.Method;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Map;

import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.test.context.TestContext;

import com.excilys.ebi.spring.dbunit.config.DataSetConfiguration;

/**
 * Test configuration processor strategy to figure out if we need to load some specific dataSet at Class or Method
 * level.
 * 
 * <p>
 * Moreover, if in Method level, we just look for DataSet annotation on the method (instead of
 * TestConfigurationProcessor) because the Class should have already been taken care of.
 * </p>
 * 
 * @author <a href="mailto:pcavezzan@gmail.com">Patrice CAVEZZAN</a>
 */
public class RollbackTransactionalTestConfigurationProcessor extends TestConfigurationProcessor {
    /**
     * A configuration cache used between setup and teardown
     */
    private final Map<Class<?>, DataSetConfiguration> configurationClassCache = Collections
            .synchronizedMap(new IdentityHashMap<Class<?>, DataSetConfiguration>());

    /*
     * (non-Javadoc)
     * 
     * @see com.excilys.ebi.spring.dbunit.ConfigurationProcessor#getConfiguration (java.lang.Object)
     */
    @Override
    public DataSetConfiguration getConfiguration(TestContext testContext) {
        DataSetConfiguration configuration = null;

        final Method testMethod = testContext.getTestMethod();

        if (testMethod == null) { // beforeTestClass or afterTestClass

            configuration = configurationClassCache.get(testContext.getTestClass());

            if (configuration == null) {
                final DataSet dataSetAnnotation = AnnotationUtils.findAnnotation(testContext.getTestClass(),
                        DataSet.class);

                if (dataSetAnnotation != null) {
                    LOGGER.debug("Configuring database at Class level");
                    configuration = buildConfiguration(dataSetAnnotation, testContext);
                    configurationClassCache.put(testContext.getTestClass(), configuration);
                }
            }
        } else { // beforeTestMethod or afterTestMethod

            configuration = configurationCache.get(testMethod);
            if (configuration == null) {
                DataSet dataSetAnnotation = AnnotationUtils.findAnnotation(testContext.getTestMethod(),
                        DataSet.class);

                if (dataSetAnnotation != null) {
                    LOGGER.debug("Configuring database at Method level");
                    configuration = buildConfiguration(dataSetAnnotation, testContext);
                    configurationCache.put(testContext.getTestMethod(), configuration);
                } else if (configurationClassCache.get(testContext.getTestClass()) == null) {
                    LOGGER.info(
                            "DataSetTestExecutionListener was configured but without any DataSet or DataSets! DataSet features are disabled");
                }
            }
        }

        return configuration;
    }

}