package org.jbpm.examples.testReassign;

import org.jbpm.test.JbpmTestCase;
import org.jbpm.api.ProcessInstance;
import org.jbpm.api.history.HistoryProcessInstance;
import org.jbpm.api.history.HistoryActivityInstance;
import org.jbpm.api.task.Task;
import org.jbpm.pvm.internal.history.model.HistoryTaskInstanceImpl;

import java.util.List;
import java.util.Set;

/**
 * Created by IntelliJ IDEA.
 * User: svemuri
 * Date: Jul 3, 2009
 * Time: 3:01:56 AM
 */
public class ReassignTest extends JbpmTestCase {
    long deploymentDbid;

    protected void setUp() throws Exception {
        super.setUp();

        deploymentDbid = repositoryService.createDeployment()
                .addResourceFromClasspath("org/jbpm/examples/testReassign/ReassignTest.jpdl.xml")
                .deploy();
    }

    protected void tearDown() throws Exception {
        repositoryService.deleteDeploymentCascade(deploymentDbid);

        super.tearDown();
    }

    public void test_whether_reassign_history_works() {
        ProcessInstance pi =
                executionService.startProcessInstanceByKey("ReassignTest");

        List<Task> tasks = taskService.findPersonalTasks("shekharv");
        assertTrue(tasks.size() == 1);

        long taskDbId = tasks.get(0).getDbid();

        taskService.assignTask(taskDbId, "johndoe");
        List<Task> tasksAfterReassignment = taskService.findPersonalTasks("shekharv");
        assertTrue("shekharv should not have any tasks.",tasksAfterReassignment.size() == 0);

        List<Task> tasksForNewAssignee = taskService.findPersonalTasks("johndoe");
        assertTrue("johndoe should have 1 task.", tasksForNewAssignee.size() == 1);

        assertEquals("johndoe", taskService.getTask(taskDbId).getAssignee());

        taskService.completeTask(taskDbId, "end1");
        List<HistoryActivityInstance> aiHistory = historyService
                .createHistoryActivityInstanceQuery()
                .executionId(pi.getId()).list();
        HistoryTaskInstanceImpl hai = (HistoryTaskInstanceImpl) aiHistory.get(0);

        assertEquals("John Doe completed the Task, but someone else got the credit","johndoe", hai.getAssignee());
    }
}