bpmn unit test framework improvements for json issue

[burnettk]

give bpmn unit test script tasks access to standard globals and standard backend scripts

Summary by CodeRabbit

• New Features
  • Enhanced script execution capabilities in the process model test runner, including custom import handling and extended context support for task information.
  • Introduced additional default globals and a custom environment setup for improved script evaluation and execution.

[coderabbitai]

Walkthrough

Walkthrough

The update involves enhancing a backend service related to process model test running by integrating a variety of new imports, including time, date, and scripting libraries, to broaden the service's capabilities. A custom import function has been introduced for tailored handling of imports. The constructor for the script engine has been expanded to set up a custom environment with additional default globals. Furthermore, the service's methods for evaluating and executing scripts have been refined to improve context handling and script generation, ensuring task-related information is effectively incorporated.

Changes

File Path	Change Summary
.../services/process_model_test_runner_service.py	- Introduced imports for various libraries such as decimal, time, and RestrictedPython. - Added _import function for custom import handling. - Expanded ProcessModelTestRunnerScriptEngine constructor for additional globals and custom environment setup. - Enhanced _get_all_methods_for_context and script execution methods for better context and task information handling.

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Review Status

Actionable comments generated: 0

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Commits

Files that changed from the base of the PR and between 1167187 and 2afdd92.

Files selected for processing (1)

• spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_test_runner_service.py (3 hunks)

Additional comments: 5

spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_test_runner_service.py (5)

• 1-31: The imports from standard libraries (decimal, time, uuid, datetime, timedelta, _strptime, dateparser, pytz) and third-party libraries (RestrictedPython, lxml) are correctly added to extend the script execution context with a wider range of functionalities. Ensure that all these libraries are used within the file and consider removing any unused imports to keep the code clean and maintainable.
• 58-60: The _import function provides a custom import mechanism, enhancing security by restricting imports to a predefined set of globals. This approach helps prevent unauthorized access to modules that could potentially compromise the system. Ensure that the list of allowed imports (glbls) is carefully managed and updated as necessary to balance functionality and security.
• 62-92: The modifications to the ProcessModelTestRunnerScriptEngine constructor successfully incorporate a comprehensive set of default globals and a custom environment setup. Overriding the __import__ function with _import is a good security practice. However, ensure that the inclusion of JinjaHelpers.get_helper_mapping() (line 83) and the update of default_globals with safe_globals (line 87) are thoroughly tested to confirm that they integrate seamlessly with the existing functionality and do not introduce any unintended side effects.
• 94-109: The updates to the _get_all_methods_for_context method, including script generation and additional context handling, are well-implemented. The use of Script.generate_augmented_list (line 108) to dynamically generate methods based on the script_attributes_context enhances the flexibility and capability of the testing framework. Ensure that this dynamic generation is thoroughly tested, especially in edge cases where task or environment information might be missing or malformed.
• 118-126: The modifications to the evaluate and execute methods to pass task information and context to the scripts being tested are crucial for achieving more realistic testing conditions. These changes align with the PR's objectives to enhance the BPMN unit test framework. Ensure that the integration of updated_context in evaluate and methods in execute with the superclass methods is tested for various types of scripts and task scenarios to confirm that the context is correctly passed and utilized.