Exemple #1
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        public virtual void decisionRefWithCompositeExpression()
        {
            VariableMap     variables       = Variables.createVariables().putValue("version", 1);
            ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("testProcessCompositeExpression", variables);

            assertEquals("okay", getDecisionResult(processInstance));
        }
Exemple #2
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Deployment public void testAutoCompleteStageWithoutEntryCriteria()
        public virtual void testAutoCompleteStageWithoutEntryCriteria()
        {
            // given
            VariableMap variables      = Variables.createVariables().putValue("manualActivation", false);
            string      caseInstanceId = createCaseInstanceByKey("case", variables).Id;

            // then (1)
            CaseExecutionQuery query = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_1");

            assertEquals(1, query.count());

            assertEquals(1, query.active().count());
            string activeTaskId = query.singleResult().Id;

            // when (2)
            // completing active task
            complete(activeTaskId);

            // then (2)
            // the stage should be completed
            CaseExecution stage = queryCaseExecutionByActivityId("PI_Stage_1");

            assertNull(stage);

            CaseInstance caseInstance = (CaseInstance)queryCaseExecutionById(caseInstanceId);

            assertTrue(caseInstance.Completed);
        }
Exemple #3
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testStatisticForRootDecisionWithNullInstanceConstraintEvaluation() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
        public virtual void testStatisticForRootDecisionWithNullInstanceConstraintEvaluation()
        {
            //when
            decisionService.evaluateDecisionTableByKey(DISH_DECISION).variables(Variables.createVariables().putValue(TEMPERATURE, 21).putValue(DAY_TYPE, WEEKEND)).evaluate();

            DecisionRequirementsDefinition decisionRequirementsDefinition = repositoryService.createDecisionRequirementsDefinitionQuery().singleResult();
            //when
            HistoricDecisionInstanceStatisticsQuery query = historyService.createHistoricDecisionInstanceStatisticsQuery(decisionRequirementsDefinition.Id).decisionInstanceId(null);

            //then
            try
            {
                query.count();
            }
            catch (NullValueException)
            {
                //expected
            }

            try
            {
                query.list();
            }
            catch (NullValueException)
            {
                //expected
            }
        }
Exemple #4
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        public virtual void testRepeatTaskWithoutEntryCriteriaWhenTerminating()
        {
            // given
            string caseInstanceId = createCaseInstanceByKey(CASE_ID, Variables.createVariables().putValue("repeating", true)).Id;

            CaseExecutionQuery query = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_1");

            assertEquals(1, query.count());

            CaseExecution activeCaseExecution = query.active().singleResult();

            assertNotNull(activeCaseExecution);

            // when (1)
            terminate(activeCaseExecution.Id);

            // then (1)
            query = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_1");
            assertEquals(1, query.count());

            activeCaseExecution = query.active().singleResult();
            assertNotNull(activeCaseExecution);

            // when (2)
            caseService.setVariable(caseInstanceId, "repeating", false);
            terminate(activeCaseExecution.Id);

            // then (2)
            query = caseService.createCaseExecutionQuery();
            assertEquals(1, query.count());
            assertEquals(caseInstanceId, query.singleResult().Id);
        }
Exemple #5
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        public virtual void testCatchErrorThrownBySignalOfDelegateExpression()
        {
            VariableMap variables = Variables.createVariables().putValue("myDelegate", new ThrowErrorDelegate());
            string      pi        = runtimeService.startProcessInstanceByKey("testProcess", variables).Id;

            assertTrue((bool?)runtimeService.getVariable(pi, "executed"));
            assertNull(runtimeService.getVariable(pi, "signaled"));

            Execution serviceTask = runtimeService.createExecutionQuery().processInstanceId(pi).activityId("serviceTask").singleResult();

            assertNotNull(serviceTask);

            runtimeService.setVariables(pi, throwError());
            runtimeService.signal(serviceTask.Id);

            assertTrue((bool?)runtimeService.getVariable(pi, "executed"));
            assertTrue((bool?)runtimeService.getVariable(pi, "signaled"));

            Task userTask = taskService.createTaskQuery().processInstanceId(pi).singleResult();

            assertNotNull(userTask);
            assertEquals("userTaskError", userTask.TaskDefinitionKey);

            taskService.complete(userTask.Id);
        }
Exemple #6
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        public virtual void testConcurrentFetchAndDelete()
        {
            // given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String processInstanceId = deployAndStartProcess(PROCESS_WITH_USERTASK, org.camunda.bpm.engine.variable.Variables.createVariables().putValue(VARIABLE_NAME, org.camunda.bpm.engine.variable.Variables.byteArrayValue(VARIABLE_VALUE.getBytes()))).getId();
            string processInstanceId = deployAndStartProcess(PROCESS_WITH_USERTASK, Variables.createVariables().putValue(VARIABLE_NAME, Variables.byteArrayValue(VARIABLE_VALUE.GetBytes()))).Id;

//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String[] historicByteArrayId = new String[1];
            string[] historicByteArrayId = new string[1];
            commandExecutor.execute(new CommandAnonymousInnerClass(this, processInstanceId, historicByteArrayId));

            ThreadControl asyncThread = executeControllableCommand(new AsyncThread(this, processInstanceId, historicByteArrayId[0]));

            asyncThread.waitForSync();

            commandExecutor.execute(new CommandAnonymousInnerClass2(this, historicByteArrayId));

            commandExecutor.execute(new CommandAnonymousInnerClass3(this, historicByteArrayId));

            // when
            asyncThread.makeContinue();
            asyncThread.waitUntilDone();

            // then
            assertThat(runtimeService.createVariableInstanceQuery().singleResult().Name, @is(VARIABLE_NAME));
            assertThat(StringHelper.NewString((sbyte[])runtimeService.createVariableInstanceQuery().singleResult().Value), @is(ANOTHER_VARIABLE_VALUE));
        }
Exemple #7
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testSerializeFileVariable()
        public virtual void testSerializeFileVariable()
        {
            BpmnModelInstance modelInstance = Bpmn.createExecutableProcess("process").startEvent().userTask().endEvent().done();

            org.camunda.bpm.engine.repository.Deployment deployment = repositoryService.createDeployment().addModelInstance("process.bpmn", modelInstance).deploy();
            VariableMap variables = Variables.createVariables();
            string      filename  = "test.txt";
            string      type      = "text/plain";
            FileValue   fileValue = Variables.fileValue(filename).file("ABC".GetBytes()).encoding("UTF-8").mimeType(type).create();

            variables.put("file", fileValue);
            runtimeService.startProcessInstanceByKey("process", variables);
            Task             task   = taskService.createTaskQuery().singleResult();
            VariableInstance result = runtimeService.createVariableInstanceQuery().processInstanceIdIn(task.ProcessInstanceId).singleResult();
            FileValue        value  = (FileValue)result.TypedValue;

            assertThat(value.Filename, @is(filename));
            assertThat(value.MimeType, @is(type));
            assertThat(value.Encoding, @is("UTF-8"));
            assertThat(value.EncodingAsCharset, @is(Charset.forName("UTF-8")));
            using (Scanner scanner = new Scanner(value.Value))
            {
                assertThat(scanner.nextLine(), @is("ABC"));
            }

            // clean up
            repositoryService.deleteDeployment(deployment.Id, true);
        }
Exemple #8
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        public virtual void testPojo()
        {
            VariableMap     variables       = Variables.createVariables().putValue("pojo", new TestPojo("okay", 13.37));
            ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("testProcess", variables);

            assertEquals("okay", getDecisionResult(processInstance));
        }
Exemple #9
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        public virtual void testPojo()
        {
            // given
            VariableMap  variables    = Variables.createVariables().putValue("pojo", new TestPojo("okay", 13.37));
            CaseInstance caseInstance = createCaseInstanceByKey(CASE_KEY, variables);

            assertEquals("okay", getDecisionResult(caseInstance));
        }
Exemple #10
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        protected internal virtual CaseInstance startTestCase(string input)
        {
            CaseInstance caseInstance = createCaseInstanceByKey("case", Variables.createVariables().putValue("input", input));

            results = DecisionResultTestListener.DecisionResult;
            assertNotNull(results);
            return(caseInstance);
        }
Exemple #11
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        public virtual void testCallDecisionAsExpressionStartsWithHash()
        {
            // given
            CaseInstance caseInstance = createCaseInstanceByKey(CASE_KEY, Variables.createVariables().putValue("testDecision", "testDecision"));

            // then
            assertNull(queryCaseExecutionByActivityId(DECISION_TASK));
            assertEquals("okay", getDecisionResult(caseInstance));
        }
Exemple #12
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        public virtual void testManualActivationRuleWithoutCondition()
        {
            createCaseInstanceByKey("case", Variables.createVariables().putValue("manual", false));

            CaseExecution taskExecution = queryCaseExecutionByActivityId("PI_HumanTask_1");

            assertNotNull(taskExecution);
            assertTrue(taskExecution.Enabled);
        }
Exemple #13
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        public virtual void testCallDecisionWithRequiredDecisions()
        {
            // given
            CaseInstance caseInstance = createCaseInstanceByKey(CASE_KEY, Variables.createVariables().putValue("testDecision", "dish-decision").putValue("temperature", 32).putValue("dayType", "Weekend"));

            // then
            assertNull(queryCaseExecutionByActivityId(DECISION_TASK));
            assertEquals("Light salad", getDecisionResult(caseInstance));
        }
Exemple #14
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        public virtual void testExecutionWithScriptTargetScope()
        {
            VariableMap     variables       = Variables.createVariables().putValue("orderIds", Arrays.asList(new int[] { 1, 2, 3 }));
            ProcessInstance processInstance = engineRule.RuntimeService.startProcessInstanceByKey("Process_MultiInstanceCallAcitivity", variables);

            // it runs without any problems
            assertThat(processInstance.Ended, @is(true));
            assertThat(((ProcessInstanceWithVariablesImpl)processInstance).Variables.containsKey("targetOrderId"), @is(false));
        }
Exemple #15
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        public virtual void testExecutionWithoutProperTargetScope()
        {
            VariableMap variables = Variables.createVariables().putValue("orderIds", Arrays.asList(new int[] { 1, 2, 3 }));

            //fails due to inappropriate variable scope target
            thrown.expect(typeof(ScriptEvaluationException));
            ProcessDefinition processDefinition = engineRule.RepositoryService.createProcessDefinitionQuery().processDefinitionKey("Process_MultiInstanceCallAcitivity").singleResult();

            thrown.expectMessage(startsWith("Unable to evaluate script while executing activity 'CallActivity_1' in the process definition with id '" + processDefinition.Id + "': org.camunda.bpm.engine.ProcessEngineException: ENGINE-20011 Scope with specified activity Id NOT_EXISTING and execution"));
            engineRule.RuntimeService.startProcessInstanceByKey("Process_MultiInstanceCallAcitivity", variables);
        }
Exemple #16
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setUp()
        public virtual void setUp()
        {
            decisionService   = engineRule.DecisionService;
            repositoryService = engineRule.RepositoryService;
            historyService    = engineRule.HistoryService;
            identityService   = engineRule.IdentityService;

            testRule.deploy(DISH_DRG_DMN);

            decisionService.evaluateDecisionByKey(DISH_DECISION).variables(Variables.createVariables().putValue(TEMPERATURE, 21).putValue(DAY_TYPE, WEEKEND)).evaluate();
        }
Exemple #17
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        public virtual void testWithDelegateVariableMapping()
        {
            BpmnModelInstance instance = Bpmn.createExecutableProcess("process1").startEvent().subProcess("SubProcess_1").embeddedSubProcess().startEvent().callActivity().calledElement("Process_StuffDoer").camundaVariableMappingClass("org.camunda.bpm.engine.test.api.variables.scope.SetVariableMappingDelegate").serviceTask().camundaClass("org.camunda.bpm.engine.test.api.variables.scope.AssertVariableScopeDelegate").endEvent().subProcessDone().endEvent().done();

            instance = modify(instance).activityBuilder("SubProcess_1").multiInstance().parallel().camundaCollection("orderIds").camundaElementVariable("orderId").done();

            ProcessDefinition processDefinition = testHelper.deployAndGetDefinition(instance);
            VariableMap       variables         = Variables.createVariables().putValue("orderIds", Arrays.asList(new int[] { 1, 2, 3 }));

            engineRule.RuntimeService.startProcessInstanceById(processDefinition.Id, variables);
        }
Exemple #18
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Deployment public void testLimitedRepetitions()
        public virtual void testLimitedRepetitions()
        {
            // given
            VariableMap variables = Variables.createVariables().putValue("repetition", 0);

            createCaseInstanceByKey("case", variables);

            CaseExecutionQuery availableQuery = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_1").available();

            // fire three times entry criteria of repeatable task
            // -> three enabled tasks
            // -> one available task
            fireEntryCriteria(availableQuery.singleResult().Id);
            fireEntryCriteria(availableQuery.singleResult().Id);
            fireEntryCriteria(availableQuery.singleResult().Id);

            // get any enabled task
            CaseExecutionQuery activeQuery = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_1").active();

            string activeTaskId = activeQuery.listPage(0, 1).get(0).Id;

            // when (1)
            complete(activeTaskId);

            // then (1)
            CaseExecutionQuery query = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_2");

            assertEquals(2, query.count());
            assertEquals(1, query.active().count());
            assertEquals(1, query.available().count());

            // when (2)
            activeTaskId = activeQuery.listPage(0, 1).get(0).Id;

            complete(activeTaskId);

            // then (2)
            query = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_2");
            assertEquals(3, query.count());
            assertEquals(2, query.active().count());
            assertEquals(1, query.available().count());

            // when (3)
            activeTaskId = activeQuery.listPage(0, 1).get(0).Id;

            complete(activeTaskId);

            // then (3)
            query = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_2");
            assertEquals(3, query.count());
            assertEquals(3, query.active().count());
            assertEquals(0, query.available().count());
        }
Exemple #19
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        public virtual void testCallDecisionByVersionAsExpressionStartsWithHash()
        {
            // given
            string deploymentId = repositoryService.createDeployment().addClasspathResource(DECISION_NOT_OKAY_DMN).deploy().Id;

            CaseInstance caseInstance = createCaseInstanceByKey(CASE_KEY, Variables.createVariables().putValue("myVersion", 2));

            // then
            assertNull(queryCaseExecutionByActivityId(DECISION_TASK));
            assertEquals("not okay", getDecisionResult(caseInstance));

            repositoryService.deleteDeployment(deploymentId, true);
        }
Exemple #20
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testStatisticForRootDecisionWithFakeInstanceConstraintEvaluation() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
        public virtual void testStatisticForRootDecisionWithFakeInstanceConstraintEvaluation()
        {
            //when
            decisionService.evaluateDecisionTableByKey(DISH_DECISION).variables(Variables.createVariables().putValue(TEMPERATURE, 21).putValue(DAY_TYPE, WEEKEND)).evaluate();

            DecisionRequirementsDefinition decisionRequirementsDefinition = repositoryService.createDecisionRequirementsDefinitionQuery().singleResult();

            HistoricDecisionInstanceStatisticsQuery query = historyService.createHistoricDecisionInstanceStatisticsQuery(decisionRequirementsDefinition.Id).decisionInstanceId(NON_EXISTING);

            //then
            assertThat(query.count(), @is(0L));
            assertThat(query.list().size(), @is(0));
        }
Exemple #21
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testNewKeyInSyncServiceTask()
        public virtual void testNewKeyInSyncServiceTask()
        {
            // given
            testRule.deploy(SYNC_SERVICE_TASK_PROCESS);

            // when
            string newBusinessKeyValue = "newBusinessKey";

            runtimeService.startProcessInstanceByKey(PROCESS_KEY, Variables.createVariables().putValue(BUSINESS_KEY_VARIABLE, newBusinessKeyValue));

            // then
            checkBusinessKeyChanged(newBusinessKeyValue);
        }
Exemple #22
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void decisionRefVersionTagBindingExpression()
        public virtual void decisionRefVersionTagBindingExpression()
        {
            // given
            testRule.deploy(DECISION_VERSION_TAG_OKAY_DMN);
            testRule.deploy(Bpmn.createExecutableProcess("process").startEvent().businessRuleTask().camundaDecisionRef("decision").camundaDecisionRefBinding("versionTag").camundaDecisionRefVersionTag("${versionTagExpr}").camundaMapDecisionResult("singleEntry").camundaResultVariable("result").endEvent().camundaAsyncBefore().done());

            // when
            VariableMap     variables       = Variables.createVariables().putValue("versionTagExpr", "0.0.2").putValue("status", "gold");
            ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("process", variables);

            // then
            assertEquals("A", getDecisionResult(processInstance));
        }
Exemple #23
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        public virtual void testWithDelegateVariableMappingAndChildScope()
        {
            BpmnModelInstance instance = Bpmn.createExecutableProcess("process1").startEvent().parallelGateway().subProcess("SubProcess_1").embeddedSubProcess().startEvent().callActivity().calledElement("Process_StuffDoer").camundaVariableMappingClass("org.camunda.bpm.engine.test.api.variables.scope.SetVariableToChildMappingDelegate").serviceTask().camundaClass("org.camunda.bpm.engine.test.api.variables.scope.AssertVariableScopeDelegate").endEvent().subProcessDone().moveToLastGateway().subProcess("SubProcess_2").embeddedSubProcess().startEvent().userTask("ut").endEvent().subProcessDone().endEvent().done();

            instance = modify(instance).activityBuilder("SubProcess_1").multiInstance().parallel().camundaCollection("orderIds").camundaElementVariable("orderId").done();

            ProcessDefinition processDefinition = testHelper.deployAndGetDefinition(instance);

            thrown.expect(typeof(ProcessEngineException));
            thrown.expectMessage(startsWith("org.camunda.bpm.engine.ProcessEngineException: ENGINE-20011 Scope with specified activity Id SubProcess_2 and execution"));
            VariableMap variables = Variables.createVariables().putValue("orderIds", Arrays.asList(new int[] { 1, 2, 3 }));

            engineRule.RuntimeService.startProcessInstanceById(processDefinition.Id, variables);
        }
Exemple #24
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        public virtual void testCallDecisionWithLiteralExpression()
        {
            // given
            CaseInstance caseInstance = createCaseInstanceByKey(CASE_KEY, Variables.createVariables().putValue("testDecision", "decisionLiteralExpression").putValue("a", 2).putValue("b", 3));

            string decisionTaskId = queryCaseExecutionByActivityId(DECISION_TASK).Id;

            // when
            caseService.withCaseExecution(decisionTaskId).manualStart();

            // then
            assertNull(queryCaseExecutionByActivityId(DECISION_TASK));
            assertEquals(5, getDecisionResult(caseInstance));
        }
Exemple #25
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        public virtual void testProcessVariableTypeAnnotation()
        {
            BusinessProcess businessProcess = getBeanInstance(typeof(BusinessProcess));

            VariableMap variables = Variables.createVariables().putValue("injectedValue", "camunda");

            businessProcess.startProcessByKey("keyOfTheProcess", variables);

            TypedValue value = getBeanInstance(typeof(DeclarativeProcessController)).InjectedValue;

            assertNotNull(value);
            assertTrue(value is StringValue);
            assertEquals(ValueType.STRING, value.Type);
            assertEquals("camunda", value.Value);
        }
Exemple #26
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testStatisticForChildDecisionEvaluation() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
        public virtual void testStatisticForChildDecisionEvaluation()
        {
            //when
            decisionService.evaluateDecisionTableByKey("season").variables(Variables.createVariables().putValue(TEMPERATURE, 21)).evaluate();

            DecisionRequirementsDefinition decisionRequirementsDefinition = repositoryService.createDecisionRequirementsDefinitionQuery().singleResult();

            HistoricDecisionInstanceStatisticsQuery statisticsQuery = historyService.createHistoricDecisionInstanceStatisticsQuery(decisionRequirementsDefinition.Id);

            //then
            assertThat(statisticsQuery.count(), @is(1L));
            assertThat(statisticsQuery.list().size(), @is(1));
            assertThat(statisticsQuery.list().get(0).Evaluations, @is(1));
            assertThat(statisticsQuery.list().get(0).DecisionDefinitionKey, @is(notNullValue()));
        }
Exemple #27
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testNewKeyInStartExecListener()
        public virtual void testNewKeyInStartExecListener()
        {
            // given
            string            listener = [email protected]_Fields.EVENTNAME_START;
            BpmnModelInstance process  = createModelExecutionListener(listener);

            testRule.deploy(process);

            // when
            string newBusinessKeyValue = "newBusinessKey";

            runtimeService.startProcessInstanceByKey(PROCESS_KEY, Variables.createVariables().putValue(BUSINESS_KEY_VARIABLE, newBusinessKeyValue));

            // then
            checkBusinessKeyChanged(newBusinessKeyValue);
        }
Exemple #28
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        public virtual void testRepetitionRuleWithoutEntryCriteria()
        {
            // given
            createCaseInstanceByKey("case", Variables.createVariables().putValue("repetition", true));

            string firstHumanTaskId = queryCaseExecutionByActivityId("PI_HumanTask_1").Id;

            // when
            complete(firstHumanTaskId);

            // then
            CaseExecutionQuery query = caseService.createCaseExecutionQuery().activityId("PI_HumanTask_1");

            assertEquals(1, query.count());
            assertEquals(1, query.active().count());
        }
Exemple #29
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        public virtual void testSentryIfPartCondition()
        {
            // given
            createCaseInstanceByKey("case", Variables.createVariables().putValue("value", 99));

            string humanTask1 = queryCaseExecutionByActivityId("PI_HumanTask_1").Id;
            string humanTask2 = queryCaseExecutionByActivityId("PI_HumanTask_2").Id;

            assertTrue(queryCaseExecutionById(humanTask2).Available);

            // when
            caseService.withCaseExecution(humanTask1).setVariable("value", 999).manualStart();

            // then
            assertTrue(queryCaseExecutionById(humanTask2).Enabled);
        }
Exemple #30
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testUpdateKeyNullValueInStartTaskListener()
        public virtual void testUpdateKeyNullValueInStartTaskListener()
        {
            // given
            string            listener = [email protected]_Fields.EVENTNAME_CREATE;
            BpmnModelInstance process  = createModelTaskListener(listener);

            testRule.deploy(process);

            // when
            string newBusinessKeyValue = null;

            runtimeService.startProcessInstanceByKey(PROCESS_KEY, "aBusinessKey", Variables.createVariables().putValue(BUSINESS_KEY_VARIABLE, newBusinessKeyValue));

            // then
            checkBusinessKeyChanged(newBusinessKeyValue);
        }