256 lines
12 KiB
Python
256 lines
12 KiB
Python
import os
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import string
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import random
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from unittest.mock import patch
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from SpiffWorkflow.bpmn.specs.EndEvent import EndEvent
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from crc import session, db, app
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from crc.api.common import ApiError
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from crc.models.file import FileModel, FileDataModel
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from crc.models.study import StudyModel
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from crc.models.workflow import WorkflowSpecModel, WorkflowStatus, WorkflowModel
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from crc.services.file_service import FileService
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from tests.base_test import BaseTest
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from crc.services.workflow_processor import WorkflowProcessor
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class TestWorkflowProcessor(BaseTest):
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def _randomString(self, stringLength=10):
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"""Generate a random string of fixed length """
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letters = string.ascii_lowercase
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return ''.join(random.choice(letters) for i in range(stringLength))
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def _populate_form_with_random_data(self, task):
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form_data = {}
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for field in task.task_spec.form.fields:
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form_data[field.id] = self._randomString()
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if task.data is None:
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task.data = {}
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task.data.update(form_data)
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def test_create_and_complete_workflow(self):
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self.load_example_data()
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workflow_spec_model = self.load_test_spec("random_fact")
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study = session.query(StudyModel).first()
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEqual(study.id, processor.bpmn_workflow.data[WorkflowProcessor.STUDY_ID_KEY])
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self.assertIsNotNone(processor)
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self.assertEqual(WorkflowStatus.user_input_required, processor.get_status())
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(1, len(next_user_tasks))
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task = next_user_tasks[0]
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self.assertEqual("Task_User_Select_Type", task.get_name())
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model = {"type": "buzzword"}
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if task.data is None:
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task.data = {}
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task.data.update(model)
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processor.complete_task(task)
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self.assertEqual(WorkflowStatus.waiting, processor.get_status())
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processor.do_engine_steps()
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self.assertEqual(WorkflowStatus.complete, processor.get_status())
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data = processor.get_data()
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self.assertIsNotNone(data)
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self.assertIn("details", data)
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def test_workflow_with_dmn(self):
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self.load_example_data()
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study = session.query(StudyModel).first()
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workflow_spec_model = self.load_test_spec("decision_table")
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files = session.query(FileModel).filter_by(workflow_spec_id='decision_table').all()
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self.assertEqual(2, len(files))
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEqual(WorkflowStatus.user_input_required, processor.get_status())
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(1, len(next_user_tasks))
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task = next_user_tasks[0]
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self.assertEqual("get_num_presents", task.get_name())
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model = {"num_presents": 1}
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if task.data is None:
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task.data = {}
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task.data.update(model)
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processor.complete_task(task)
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processor.do_engine_steps()
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data = processor.get_data()
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self.assertIsNotNone(data)
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self.assertIn("message", data)
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self.assertEqual("Oh, Ginger.", data.get('message'))
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self.assertEqual("End", processor.bpmn_workflow.last_task.task_spec.name)
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self.assertEqual("Oh, Ginger.", processor.bpmn_workflow.last_task.data.get('message'))
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def test_workflow_with_parallel_forms(self):
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self.load_example_data()
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workflow_spec_model = self.load_test_spec("parallel_tasks")
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study = session.query(StudyModel).first()
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEqual(WorkflowStatus.user_input_required, processor.get_status())
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# Complete the first steps of the 4 parallel tasks
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(4, len(next_user_tasks))
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self._populate_form_with_random_data(next_user_tasks[0])
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self._populate_form_with_random_data(next_user_tasks[1])
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self._populate_form_with_random_data(next_user_tasks[2])
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self._populate_form_with_random_data(next_user_tasks[3])
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processor.complete_task(next_user_tasks[0])
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processor.complete_task(next_user_tasks[1])
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processor.complete_task(next_user_tasks[2])
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processor.complete_task(next_user_tasks[3])
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# There are another 4 tasks to complete (each parallel task has a follow-up task)
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(4, len(next_user_tasks))
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self._populate_form_with_random_data(next_user_tasks[0])
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self._populate_form_with_random_data(next_user_tasks[1])
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self._populate_form_with_random_data(next_user_tasks[2])
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self._populate_form_with_random_data(next_user_tasks[3])
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processor.complete_task(next_user_tasks[0])
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processor.complete_task(next_user_tasks[1])
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processor.complete_task(next_user_tasks[2])
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processor.complete_task(next_user_tasks[3])
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processor.do_engine_steps()
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# Should be one last step after the above are complete
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final_user_tasks = processor.next_user_tasks()
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self.assertEqual(1, len(final_user_tasks))
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self._populate_form_with_random_data(final_user_tasks[0])
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processor.complete_task(final_user_tasks[0])
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processor.do_engine_steps()
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self.assertTrue(processor.bpmn_workflow.is_completed())
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def test_workflow_processor_knows_the_text_task_even_when_parallel(self):
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self.load_example_data()
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study = session.query(StudyModel).first()
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workflow_spec_model = self.load_test_spec("parallel_tasks")
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEqual(WorkflowStatus.user_input_required, processor.get_status())
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(4, len(next_user_tasks))
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self.assertEqual(next_user_tasks[0], processor.next_task(), "First task in list of 4")
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# Complete the third open task, so do things out of order
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# this should cause the system to recommend the first ready task that is a
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# child of the last completed task.
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task = next_user_tasks[2]
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self._populate_form_with_random_data(task)
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processor.complete_task(task)
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(processor.bpmn_workflow.last_task, task)
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self.assertEqual(4, len(next_user_tasks))
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self.assertEqual(task.children[0], processor.next_task())
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def test_workflow_processor_returns_next_task_as_end_task_if_complete(self):
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self.load_example_data()
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workflow_spec_model = self.load_test_spec("random_fact")
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study = session.query(StudyModel).first()
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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processor.do_engine_steps()
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task = processor.next_task()
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task.data = {"type": "buzzword"}
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processor.complete_task(task)
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self.assertEqual(WorkflowStatus.waiting, processor.get_status())
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processor.do_engine_steps()
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self.assertEqual(WorkflowStatus.complete, processor.get_status())
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task = processor.next_task()
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self.assertIsNotNone(task)
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self.assertIn("details", task.data)
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self.assertIsInstance(task.task_spec, EndEvent)
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def test_workflow_with_bad_expression_raises_sensible_error(self):
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self.load_example_data()
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workflow_spec_model = self.load_test_spec("invalid_expression")
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study = session.query(StudyModel).first()
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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processor.do_engine_steps()
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(1, len(next_user_tasks))
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self._populate_form_with_random_data(next_user_tasks[0])
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processor.complete_task(next_user_tasks[0])
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with self.assertRaises(ApiError) as context:
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processor.do_engine_steps()
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self.assertEqual("invalid_expression", context.exception.code)
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def test_workflow_with_docx_template(self):
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self.load_example_data()
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study = session.query(StudyModel).first()
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workflow_spec_model = self.load_test_spec("docx")
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files = session.query(FileModel).filter_by(workflow_spec_id='docx').all()
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self.assertEqual(2, len(files))
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workflow_spec_model = session.query(WorkflowSpecModel).filter_by(id="docx").first()
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEqual(WorkflowStatus.user_input_required, processor.get_status())
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next_user_tasks = processor.next_user_tasks()
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self.assertEqual(1, len(next_user_tasks))
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task = next_user_tasks[0]
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self.assertEqual("task_gather_information", task.get_name())
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self._populate_form_with_random_data(task)
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processor.complete_task(task)
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files = session.query(FileModel).filter_by(study_id=study.id, workflow_id=processor.get_workflow_id()).all()
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self.assertEqual(0, len(files))
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processor.do_engine_steps()
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files = session.query(FileModel).filter_by(study_id=study.id, workflow_id=processor.get_workflow_id()).all()
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self.assertEqual(1, len(files), "The task should create a new file.")
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file_data = session.query(FileDataModel).filter(FileDataModel.file_model_id == files[0].id).first()
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self.assertIsNotNone(file_data.data)
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self.assertTrue(len(file_data.data) > 0)
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# Not going any farther here, assuming this is tested in libraries correctly.
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def test_load_study_information(self):
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""" Test a workflow that includes requests to pull in Study Details."""
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self.load_example_data()
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study = session.query(StudyModel).first()
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workflow_spec_model = self.load_test_spec("study_details")
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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processor.do_engine_steps()
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task = processor.bpmn_workflow.last_task
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self.assertIsNotNone(task.data)
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self.assertIn("study", task.data)
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self.assertIn("info", task.data["study"])
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self.assertIn("title", task.data["study"]["info"])
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self.assertIn("last_updated", task.data["study"]["info"])
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self.assertIn("sponsor", task.data["study"]["info"])
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def test_spec_versioning(self):
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self.load_example_data()
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study = session.query(StudyModel).first()
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workflow_spec_model = self.load_test_spec("decision_table")
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEquals("1.1", processor.get_spec_version())
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file_service = FileService()
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file_service.add_workflow_spec_file(workflow_spec_model, "new_file.txt", "txt", b'blahblah')
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEquals("1.1.1", processor.get_spec_version())
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file_path = os.path.join(app.root_path, '..', 'tests', 'data', 'docx', 'docx.bpmn')
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file = open(file_path, "rb")
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data = file.read()
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file_model = db.session.query(FileModel).filter(FileModel.name == "decision_table.bpmn").first()
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file_service.update_file(file_model, data, "txt")
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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self.assertEquals("2.1.1", processor.get_spec_version())
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def test_restart_workflow(self):
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self.load_example_data()
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study = session.query(StudyModel).first()
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workflow_spec_model = self.load_test_spec("two_forms")
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processor = WorkflowProcessor.create(study.id, workflow_spec_model.id)
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workflow_model = db.session.query(WorkflowModel).filter(WorkflowModel.study_id == study.id).first()
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self.assertEqual(workflow_model.workflow_spec_id, workflow_spec_model.id)
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task = processor.next_task()
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task.data = {"key": "Value"}
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processor.complete_task(task)
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task_before_restart = processor.next_task()
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processor.restart_with_current_task_data()
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task_after_restart = processor.next_task()
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self.assertNotEqual(task.get_name(), task_before_restart.get_name())
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self.assertEqual(task.get_name(), task_after_restart.get_name())
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self.assertEqual(task.data, task_after_restart.data) |