/* 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.activiti.standalone.history;

import java.util.HashMap;
import java.util.Map;

import org.activiti.engine.impl.test.ResourceActivitiTestCase;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.activiti.engine.test.Deployment;


public class BulkDeleteNoHistoryTest extends ResourceActivitiTestCase {

    public BulkDeleteNoHistoryTest() {
        // History needs to be disabled to prevent any historic entities come in between the variable deletes
        // to make sure a single batch is used for all entities
        super("org/activiti/standalone/history/nohistory.activiti.cfg.xml");
    }
    
    @Deployment(resources={"org/activiti/engine/test/api/oneTaskProcess.bpmn20.xml"})
    public void testLargeAmountOfVariableBulkDelete() throws Exception {
        Map<String, Object> variables = new HashMap<String, Object>();
        
        // Do a bulk-update with a number higher than any DB's magic numbers
        for(int i=0; i<4001; i++) {
            variables.put("var" + i, i);
        }
        
        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess", variables);
        Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId())
                .singleResult();
        assertNotNull(task);

        // Completing the task will cause a bulk delete of 4001 entities
        taskService.complete(task.getId());
        
        // Check if process is gone
        assertEquals(0L, runtimeService.createProcessInstanceQuery().processInstanceId(processInstance.getId()).count());
    }
}