enhancement/allow-worfklow-targets-from-external-events (#1552)

* updated SpiffWorkflow and added test to make sure correct task gets the error in a multi-instance w/ burnettk

* use main of SpiffWorkflow w/ burnettk

---------

Co-authored-by: jasquat <jasquat@users.noreply.github.com>

spiffworkflow-backend/poetry.lock

@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.1 and should not be changed by hand.
 
 [[package]]
 name = "alembic"
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@@ -3005,7 +2988,7 @@ files = [
 
 [[package]]
 name = "SpiffWorkflow"
-version = "3.0.0rc2"
+version = "3.0.0"
 description = "A workflow framework and BPMN/DMN Processor"
 optional = false
 python-versions = ">=3.8"
@@ -3023,7 +3006,7 @@ doc = ["sphinx", "sphinx_rtd_theme"]
 type = "git"
 url = "https://github.com/sartography/SpiffWorkflow"
 reference = "main"
-resolved_reference = "2a6a705430d067c748380758fd9125d19b8f5ea2"
+resolved_reference = "6d18cb8d282b3eaf0a6d10abadf534c663eb45a4"
 
 [[package]]
 name = "spiffworkflow-connector-command"

spiffworkflow-backend/src/spiffworkflow_backend/services/service_task_service.py

@@ -117,15 +117,20 @@ class ServiceTaskDelegate:
 
     @classmethod
     def catch_error_codes(cls, spiff_task: SpiffTask, error: Any) -> None:
-        top_level_workflow = spiff_task.workflow.top_workflow
+        task_workflow = spiff_task.workflow
+        top_level_workflow = task_workflow.top_workflow
         task_caught_event = False
         for event_definition_class in [ErrorEventDefinition, EscalationEventDefinition]:
             event_definition = event_definition_class(name=error["error_code"], code=error["error_code"])
-            bpmn_event = BpmnEvent(event_definition, payload=error)
+            bpmn_event = BpmnEvent(event_definition, payload=error, target=task_workflow)
-            tasks = top_level_workflow.get_tasks(catches_event=bpmn_event, state=TaskState.NOT_FINISHED_MASK)
+            tasks = task_workflow.get_tasks(catches_event=bpmn_event, state=TaskState.NOT_FINISHED_MASK)
+            if len(tasks) == 0:
+                tasks = top_level_workflow.get_tasks(catches_event=bpmn_event, state=TaskState.NOT_FINISHED_MASK)
+                bpmn_event = BpmnEvent(event_definition, payload=error)
             if len(tasks) > 0:
                 top_level_workflow.catch(bpmn_event)
                 task_caught_event = True
+
         if task_caught_event is False:
             message_from_status_code = cls.get_message_for_status(error["status_code"])
             message = [

spiffworkflow-backend/tests/data/multiinstance_with_inner_error_boundary_event/multiinstance_with_inner_error_boundary_event.bpmn

@@ -0,0 +1,143 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:spiffworkflow="http://spiffworkflow.org/bpmn/schema/1.0/core" id="Definitions_96f6665" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.0.0-dev">
+  <bpmn:process id="Process_test_event_rd4nfh2" isExecutable="true">
+    <bpmn:startEvent id="StartEvent_1">
+      <bpmn:outgoing>Flow_17db3yp</bpmn:outgoing>
+    </bpmn:startEvent>
+    <bpmn:sequenceFlow id="Flow_17db3yp" sourceRef="StartEvent_1" targetRef="subprocess" />
+    <bpmn:endEvent id="EndEvent_1">
+      <bpmn:incoming>Flow_1hqyjqn</bpmn:incoming>
+    </bpmn:endEvent>
+    <bpmn:sequenceFlow id="Flow_1hqyjqn" sourceRef="subprocess" targetRef="EndEvent_1" />
+    <bpmn:subProcess id="subprocess">
+      <bpmn:incoming>Flow_17db3yp</bpmn:incoming>
+      <bpmn:outgoing>Flow_1hqyjqn</bpmn:outgoing>
+      <bpmn:multiInstanceLoopCharacteristics>
+        <bpmn:loopCardinality xsi:type="bpmn:tFormalExpression">4</bpmn:loopCardinality>
+        <bpmn:loopDataOutputRef>all_output</bpmn:loopDataOutputRef>
+        <bpmn:inputDataItem id="index" name="index" />
+        <bpmn:outputDataItem id="the_return" name="the_return" />
+      </bpmn:multiInstanceLoopCharacteristics>
+      <bpmn:startEvent id="Event_02960ar">
+        <bpmn:outgoing>Flow_1504tu0</bpmn:outgoing>
+      </bpmn:startEvent>
+      <bpmn:sequenceFlow id="Flow_1504tu0" sourceRef="Event_02960ar" targetRef="subprocess_script_task" />
+      <bpmn:endEvent id="Event_12lrn32">
+        <bpmn:incoming>Flow_03gqryg</bpmn:incoming>
+      </bpmn:endEvent>
+      <bpmn:sequenceFlow id="Flow_03gqryg" sourceRef="subprocess_service_task" targetRef="Event_12lrn32" />
+      <bpmn:serviceTask id="subprocess_service_task">
+        <bpmn:extensionElements>
+          <spiffworkflow:serviceTaskOperator id="http/GetRequestV2" resultVariable="response">
+            <spiffworkflow:parameters>
+              <spiffworkflow:parameter id="url" type="str" value="url" />
+              <spiffworkflow:parameter id="headers" type="any" />
+              <spiffworkflow:parameter id="params" type="any" />
+              <spiffworkflow:parameter id="basic_auth_username" type="str" />
+              <spiffworkflow:parameter id="basic_auth_password" type="str" />
+              <spiffworkflow:parameter id="attempts" type="int" />
+            </spiffworkflow:parameters>
+          </spiffworkflow:serviceTaskOperator>
+          <spiffworkflow:postScript>the_return = response</spiffworkflow:postScript>
+        </bpmn:extensionElements>
+        <bpmn:incoming>Flow_0n92gsy</bpmn:incoming>
+        <bpmn:outgoing>Flow_03gqryg</bpmn:outgoing>
+      </bpmn:serviceTask>
+      <bpmn:sequenceFlow id="Flow_0n92gsy" sourceRef="subprocess_script_task" targetRef="subprocess_service_task" />
+      <bpmn:scriptTask id="subprocess_script_task">
+        <bpmn:incoming>Flow_1504tu0</bpmn:incoming>
+        <bpmn:outgoing>Flow_0n92gsy</bpmn:outgoing>
+        <bpmn:script>url = "http://localhost:7001/v1.0/status"
+
+if index == 2:
+   url = "DNE"</bpmn:script>
+      </bpmn:scriptTask>
+      <bpmn:scriptTask id="error_script_task">
+        <bpmn:incoming>Flow_0twhcxb</bpmn:incoming>
+        <bpmn:outgoing>Flow_14ahv06</bpmn:outgoing>
+        <bpmn:script>the_return = response</bpmn:script>
+      </bpmn:scriptTask>
+      <bpmn:endEvent id="Event_1ds1pvd">
+        <bpmn:incoming>Flow_14ahv06</bpmn:incoming>
+      </bpmn:endEvent>
+      <bpmn:sequenceFlow id="Flow_14ahv06" sourceRef="error_script_task" targetRef="Event_1ds1pvd" />
+      <bpmn:boundaryEvent id="Event_1igkf06" attachedToRef="subprocess_service_task">
+        <bpmn:outgoing>Flow_0twhcxb</bpmn:outgoing>
+        <bpmn:errorEventDefinition id="ErrorEventDefinition_0c5pkb6" errorRef="MissingSchema" />
+      </bpmn:boundaryEvent>
+      <bpmn:sequenceFlow id="Flow_0twhcxb" sourceRef="Event_1igkf06" targetRef="error_script_task" />
+    </bpmn:subProcess>
+  </bpmn:process>
+  <bpmn:error id="MissingSchema" name="MissingSchema" errorCode="MissingSchema">
+    <bpmn:extensionElements>
+      <spiffworkflow:variableName>response</spiffworkflow:variableName>
+    </bpmn:extensionElements>
+  </bpmn:error>
+  <bpmndi:BPMNDiagram id="BPMNDiagram_1">
+    <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_test_event_rd4nfh2">
+      <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">
+        <dc:Bounds x="179" y="159" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_14za570_di" bpmnElement="EndEvent_1">
+        <dc:Bounds x="432" y="159" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_0bk0xxu_di" bpmnElement="subprocess">
+        <dc:Bounds x="270" y="137" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNEdge id="Flow_17db3yp_di" bpmnElement="Flow_17db3yp">
+        <di:waypoint x="215" y="177" />
+        <di:waypoint x="270" y="177" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_1hqyjqn_di" bpmnElement="Flow_1hqyjqn">
+        <di:waypoint x="370" y="177" />
+        <di:waypoint x="432" y="177" />
+      </bpmndi:BPMNEdge>
+    </bpmndi:BPMNPlane>
+  </bpmndi:BPMNDiagram>
+  <bpmndi:BPMNDiagram id="BPMNDiagram_1lveg77">
+    <bpmndi:BPMNPlane id="BPMNPlane_15wok2i" bpmnElement="subprocess">
+      <bpmndi:BPMNShape id="Event_02960ar_di" bpmnElement="Event_02960ar">
+        <dc:Bounds x="282" y="322" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_12lrn32_di" bpmnElement="Event_12lrn32">
+        <dc:Bounds x="702" y="322" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_09gyv8v_di" bpmnElement="subprocess_service_task">
+        <dc:Bounds x="480" y="300" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_13xl8eo_di" bpmnElement="subprocess_script_task">
+        <dc:Bounds x="340" y="300" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_1aagehr_di" bpmnElement="error_script_task">
+        <dc:Bounds x="600" y="420" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_1ds1pvd_di" bpmnElement="Event_1ds1pvd">
+        <dc:Bounds x="752" y="442" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_0m18viy_di" bpmnElement="Event_1igkf06">
+        <dc:Bounds x="522" y="362" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNEdge id="Flow_1504tu0_di" bpmnElement="Flow_1504tu0">
+        <di:waypoint x="318" y="340" />
+        <di:waypoint x="340" y="340" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_03gqryg_di" bpmnElement="Flow_03gqryg">
+        <di:waypoint x="580" y="340" />
+        <di:waypoint x="702" y="340" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_0n92gsy_di" bpmnElement="Flow_0n92gsy">
+        <di:waypoint x="440" y="340" />
+        <di:waypoint x="480" y="340" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_14ahv06_di" bpmnElement="Flow_14ahv06">
+        <di:waypoint x="700" y="460" />
+        <di:waypoint x="752" y="460" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_0twhcxb_di" bpmnElement="Flow_0twhcxb">
+        <di:waypoint x="540" y="398" />
+        <di:waypoint x="540" y="460" />
+        <di:waypoint x="600" y="460" />
+      </bpmndi:BPMNEdge>
+    </bpmndi:BPMNPlane>
+  </bpmndi:BPMNDiagram>
+</bpmn:definitions>

spiffworkflow-backend/tests/spiffworkflow_backend/unit/test_service_task_delegate.py

@@ -4,12 +4,16 @@ from unittest.mock import patch
 
 import pytest
 from flask.app import Flask
+from requests import Response
+from spiffworkflow_backend.models.task import TaskModel  # noqa: F401
+from spiffworkflow_backend.models.task_definition import TaskDefinitionModel
 from spiffworkflow_backend.services.process_instance_processor import ProcessInstanceProcessor
 from spiffworkflow_backend.services.secret_service import SecretService
 from spiffworkflow_backend.services.service_task_service import ServiceTaskDelegate
 from spiffworkflow_backend.services.service_task_service import UncaughtServiceTaskError
 from spiffworkflow_connector_command.command_interface import CommandResponseDict
 from spiffworkflow_connector_command.command_interface import ConnectorProxyResponseDict
+from sqlalchemy import and_
 
 from tests.spiffworkflow_backend.helpers.base_test import BaseTest
 from tests.spiffworkflow_backend.helpers.test_data import load_test_spec
@@ -169,6 +173,71 @@ class TestServiceTaskDelegate(BaseTest):
                 **{"operator_identifier": "my_operation"},
             }
 
+    def test_can_capture_error_on_correct_multinstance_task(self, app: Flask, with_db_and_bpmn_file_cleanup: None) -> None:
+        process_model = load_test_spec(
+            process_model_id="test_group/multiinstance_with_inner_error_boundary_event",
+            process_model_source_directory="multiinstance_with_inner_error_boundary_event",
+        )
+        process_instance = self.create_process_instance_from_process_model(process_model=process_model)
+        processor = ProcessInstanceProcessor(process_instance)
+
+        successful_command_response: CommandResponseDict = {
+            "body": json.dumps({"we_did_it": True}),
+            "mimetype": "application/json",
+        }
+        successful_connector_response: ConnectorProxyResponseDict = {
+            "command_response": successful_command_response,
+            "error": None,
+            "command_response_version": 2,
+        }
+        successful_object = Response()
+        successful_object.status_code = 200
+        successful_object._content = json.dumps(successful_connector_response).encode()
+
+        failing_command_response: CommandResponseDict = {
+            "body": "{}",
+            "mimetype": "application/json",
+        }
+        failing_connector_response: ConnectorProxyResponseDict = {
+            "command_response": failing_command_response,
+            "error": {
+                "error_code": "MissingSchema",
+                "message": "Received Error: Invalid URL 'DNE': No scheme supplied. "
+                "Perhaps you meant https://DNE?. Raw http_response was: None",
+            },
+            "command_response_version": 2,
+        }
+        failing_object = Response()
+        failing_object.status_code = 200
+        failing_object._content = json.dumps(failing_connector_response).encode()
+
+        with patch("requests.post") as mock_post:
+            mock_post.side_effect = [successful_object, successful_object, failing_object, successful_object]
+            processor.do_engine_steps(save=True)
+        assert process_instance.status == "complete"
+        relevant_tasks = (
+            TaskModel.query.join(TaskDefinitionModel, TaskDefinitionModel.id == TaskModel.task_definition_id)
+            .filter(
+                and_(
+                    TaskDefinitionModel.bpmn_identifier == "subprocess [child]", TaskDefinitionModel.typename == "SubWorkflowTask"
+                )
+            )
+            .all()
+        )
+        assert len(relevant_tasks) == 4
+        successful = 0
+        failed = 0
+        for task_model in relevant_tasks:
+            task_data = task_model.get_data()
+            assert "url" in task_data
+            assert "the_return" in task_data
+            if "message" in task_data["the_return"] and "Invalid URL 'DNE'" in task_data["the_return"]["message"]:
+                failed += 1
+            else:
+                successful += 1
+        assert successful == 3
+        assert failed == 1
+
     def _assert_error_with_code(self, response_text: str, error_code: str, contains_message: str, status_code: int) -> None:
         assert f"'{error_code}'" in response_text
         assert bool(