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f3b2b10d37
a6392d190 SpiffWorkflow cold start improvements (#13) git-subtree-dir: SpiffWorkflow git-subtree-split: a6392d19061f623394f5705fb78af23673d3940d
86 lines
3.7 KiB
Python
86 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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import datetime
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import unittest
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from SpiffWorkflow.bpmn.PythonScriptEngine import PythonScriptEngine
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from SpiffWorkflow.bpmn.workflow import BpmnWorkflow
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from tests.SpiffWorkflow.bpmn.BpmnWorkflowTestCase import BpmnWorkflowTestCase
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__author__ = 'sartography'
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class CustomScriptEngine(PythonScriptEngine):
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"""This is a custom script processor that can be easily injected into Spiff Workflow.
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It will execute python code read in from the bpmn. It will also make any scripts in the
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scripts directory available for execution. """
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def __init__(self):
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augment_methods = {
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'timedelta': datetime.timedelta,
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}
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super().__init__(scripting_additions=augment_methods)
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class TooManyLoopsTest(BpmnWorkflowTestCase):
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"""Looping back around many times would cause the tree of tasks to grow
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for each loop, doing this a 100 or 1000 times would cause the system to
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run fail in various ways. This assures that is no longer the case."""
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def testRunThroughHappy(self):
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self.actual_test(save_restore=False)
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def testThroughSaveRestore(self):
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self.actual_test(save_restore=True)
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def actual_test(self,save_restore = False):
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spec, subprocesses = self.load_workflow_spec('too_many_loops*.bpmn', 'loops')
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self.workflow = BpmnWorkflow(spec, subprocesses, script_engine=CustomScriptEngine())
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counter = 0
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data = {}
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while not self.workflow.is_completed():
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self.workflow.do_engine_steps()
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self.workflow.refresh_waiting_tasks()
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if (self.workflow.last_task.data != data):
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data = self.workflow.last_task.data
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counter += 1 # There is a 10 millisecond wait task.
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if save_restore:
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self.save_restore()
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self.workflow.script_engine = CustomScriptEngine()
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self.assertEqual(20, self.workflow.last_task.data['counter'])
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def test_with_sub_process(self):
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# Found an issue where looping back would fail when it happens
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# right after a sub-process. So assuring this is fixed.
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counter = 0
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spec, subprocesses = self.load_workflow_spec('too_many_loops_sub_process.bpmn', 'loops_sub')
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self.workflow = BpmnWorkflow(spec, subprocesses, script_engine=CustomScriptEngine())
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data = {}
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while not self.workflow.is_completed():
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self.workflow.do_engine_steps()
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self.workflow.refresh_waiting_tasks()
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if (self.workflow.last_task.data != data):
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data = self.workflow.last_task.data
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counter += 1 # There is a 10 millisecond wait task.
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# self.save_restore()
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self.assertEqual(20, self.workflow.last_task.data['counter'])
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# One less, because we don't go back through once the first counter
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# hits 20.
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self.assertEqual(19, self.workflow.last_task.data['counter2'])
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def test_with_two_call_activities(self):
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spec, subprocess = self.load_workflow_spec('sub_in_loop*.bpmn', 'main')
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self.workflow = BpmnWorkflow(spec, subprocess, script_engine=CustomScriptEngine())
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self.workflow.do_engine_steps()
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for loop in range(3):
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ready = self.workflow.get_ready_user_tasks()
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ready[0].data = { 'done': True if loop == 3 else False }
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ready[0].complete()
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self.workflow.refresh_waiting_tasks()
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self.workflow.do_engine_steps()
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self.save_restore()
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self.workflow.script_engine = CustomScriptEngine()
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def suite():
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return unittest.TestLoader().loadTestsFromTestCase(TooManyLoopsTest)
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if __name__ == '__main__':
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unittest.TextTestRunner(verbosity=2).run(suite())
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