org.flowable.rest.service.api.history.HistoricProcessInstanceCollectionResourceTest.java Source code

Java tutorial

Introduction

Here is the source code for org.flowable.rest.service.api.history.HistoricProcessInstanceCollectionResourceTest.java

Source

/* 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.flowable.rest.service.api.history;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.flowable.engine.impl.cmd.ChangeDeploymentTenantIdCmd;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.engine.task.Task;
import org.flowable.engine.test.Deployment;
import org.flowable.rest.service.BaseSpringRestTestCase;
import org.flowable.rest.service.api.RestUrls;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;

/**
 * Test for REST-operation related to the historic process instance query resource.
 * 
 * @author Tijs Rademakers
 */
public class HistoricProcessInstanceCollectionResourceTest extends BaseSpringRestTestCase {

    /**
     * Test querying historic process instance based on variables. GET history/historic-process-instances
     */
    @Deployment
    public void testQueryProcessInstances() throws Exception {
        Calendar startTime = Calendar.getInstance();
        processEngineConfiguration.getClock().setCurrentTime(startTime.getTime());

        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
        Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
        taskService.complete(task.getId());

        startTime.add(Calendar.DAY_OF_YEAR, 1);
        processEngineConfiguration.getClock().setCurrentTime(startTime.getTime());
        ProcessInstance processInstance2 = runtimeService.startProcessInstanceByKey("oneTaskProcess");

        String url = RestUrls.createRelativeResourceUrl(RestUrls.URL_HISTORIC_PROCESS_INSTANCES);

        assertResultsPresentInDataResponse(url + "?finished=true", processInstance.getId());

        assertResultsPresentInDataResponse(url + "?finished=false", processInstance2.getId());

        assertResultsPresentInDataResponse(url + "?processDefinitionId=" + processInstance.getProcessDefinitionId(),
                processInstance.getId(), processInstance2.getId());

        assertResultsPresentInDataResponse(
                url + "?processDefinitionId=" + processInstance.getProcessDefinitionId() + "&finished=true",
                processInstance.getId());

        assertResultsPresentInDataResponse(url + "?processDefinitionKey=oneTaskProcess", processInstance.getId(),
                processInstance2.getId());

        // Without tenant ID, before setting tenant
        assertResultsPresentInDataResponse(url + "?withoutTenantId=true", processInstance.getId(),
                processInstance2.getId());

        // Set tenant on deployment
        managementService.executeCommand(new ChangeDeploymentTenantIdCmd(deploymentId, "myTenant"));
        startTime.add(Calendar.DAY_OF_YEAR, 1);
        processEngineConfiguration.getClock().setCurrentTime(startTime.getTime());
        ProcessInstance processInstance3 = runtimeService.startProcessInstanceByKeyAndTenantId("oneTaskProcess",
                "myTenant");

        // Without tenant ID, after setting tenant
        assertResultsPresentInDataResponse(url + "?withoutTenantId=true", processInstance.getId(),
                processInstance2.getId());

        // Tenant id
        assertResultsPresentInDataResponse(url + "?tenantId=myTenant", processInstance3.getId());
        assertResultsPresentInDataResponse(url + "?tenantId=anotherTenant");

        // Tenant id like
        assertResultsPresentInDataResponse(url + "?tenantIdLike=" + encode("%enant"), processInstance3.getId());
        assertResultsPresentInDataResponse(url + "?tenantIdLike=anotherTenant");

        CloseableHttpResponse response = executeRequest(
                new HttpGet(SERVER_URL_PREFIX + url + "?processDefinitionKey=oneTaskProcess&sort=startTime"), 200);

        // Check status and size
        assertEquals(HttpStatus.SC_OK, response.getStatusLine().getStatusCode());
        JsonNode dataNode = objectMapper.readTree(response.getEntity().getContent()).get("data");
        closeResponse(response);
        assertEquals(3, dataNode.size());
        assertEquals(processInstance.getId(), dataNode.get(0).get("id").asText());
        assertEquals(processInstance2.getId(), dataNode.get(1).get("id").asText());
        assertEquals(processInstance3.getId(), dataNode.get(2).get("id").asText());
    }

    protected void assertResultsPresentInDataResponse(String url, String... expectedResourceIds)
            throws JsonProcessingException, IOException {
        int numberOfResultsExpected = expectedResourceIds.length;

        // Do the actual call
        CloseableHttpResponse response = executeRequest(new HttpGet(SERVER_URL_PREFIX + url), 200);

        // Check status and size
        assertEquals(HttpStatus.SC_OK, response.getStatusLine().getStatusCode());
        JsonNode dataNode = objectMapper.readTree(response.getEntity().getContent()).get("data");
        closeResponse(response);
        assertEquals(numberOfResultsExpected, dataNode.size());

        // Check presence of ID's
        List<String> toBeFound = new ArrayList<String>(Arrays.asList(expectedResourceIds));
        Iterator<JsonNode> it = dataNode.iterator();
        while (it.hasNext()) {
            String id = it.next().get("id").textValue();
            toBeFound.remove(id);
        }
        assertTrue("Not all process instances have been found in result, missing: "
                + StringUtils.join(toBeFound, ", "), toBeFound.isEmpty());
    }
}