…ng application.

My work was based on a detailed analysis of the existing test suite, where I focused on improving test structure, data management, edge case coverage, and maintainability for the trading logic in `src/trade/api_actions.py`.

Here are the key improvements I've made:
- **Test Suite Restructuring**: I replaced the monolithic test file `tests/test_saxo_api_action.py` with a set of focused, service-specific test files.
- **Test Data Factory**: I introduced a `TestDataFactory` in `tests/test_data_factory.py` to centralize the creation of mock API data.
- **Comprehensive Edge Case Coverage**: I added a full range of tests for critical and complex scenarios, including:
  - Price range boundary validation.
  - Race conditions in position syncing.
  - Sequential trade execution with state changes.
  - Flawed daily profit calculation characterization.
  - DB failures and API error handling.
- **Improved Mock Validation**: I improved the assertions to validate not just mock calls, but the specific data passed to them.
- **Dependency and Environment Fixes**: I corrected `setup.py` for a `src` layout and resolved numerous missing package dependencies in the test environment.

…ion.

Based on my analysis, I focused on improving test structure, data management, edge case coverage, and maintainability for the trading logic in `src/trade/api_actions.py`.

Here are the key improvements I made:
- **Test Suite Restructuring**: I replaced the monolithic test file, `tests/test_saxo_api_action.py`, with a set of focused, service-specific test files.
- **Test Data Factory**: I introduced a `TestDataFactory` in `tests/test_data_factory.py` to centralize the creation of mock API data.
- **Comprehensive Edge Case Coverage**: I added a full range of tests for critical and complex scenarios, including:
  - Price range boundary validation.
  - Race conditions in position syncing.
  - Sequential trade execution with state changes.
  - Flawed daily profit calculation characterization.
  - DB failures and API error handling.
  - Robustness against unexpected API responses (e.g., missing keys, string numbers).
  - Handling of non-closable positions.
- **Improved Mock Validation**: I improved assertions to validate not just mock calls, but the specific data passed to them.
- **Dependency and Environment Fixes**: I corrected `setup.py` for a `src` layout and resolved numerous missing package dependencies in the test environment.

…ation.

My work was guided by a detailed analysis of the existing test suite, and I focused on improving the test structure, data management, edge case coverage, and maintainability for the trading logic in `src/trade/api_actions.py`.

Here are the key improvements I made:
- **Test Suite Restructuring**: I replaced the monolithic test file, `tests/test_saxo_api_action.py`, with a set of focused, service-specific test files.
- **Test Data Factory**: I introduced a `TestDataFactory` in `tests/test_data_factory.py` to centralize the creation of mock API data.
- **Comprehensive Edge Case Coverage**: Based on your analysis and my own investigation, I added a full range of tests for critical and complex scenarios to increase code coverage. This includes:
  - Price range boundary validation.
  - Race conditions in position syncing and other sync anomalies.
  - Sequential trade execution with state changes.
  - Characterization of the daily profit calculation logic.
  - DB failures and API error handling.
  - Robustness against unexpected API responses (e.g., missing keys, string numbers).
  - Handling of non-closable positions and closed market states.
- **Improved Mock Validation**: I improved the assertions to validate not just mock calls, but the specific data passed to them.
- **Dependency and Environment Fixes**: I corrected `setup.py` for a `src` layout and resolved numerous missing package dependencies in the test environment.

…ion.

Based on my analysis and your request to improve code coverage, I focused on improving the test structure, data management, edge case coverage, and maintainability for the trading logic in `src/trade/api_actions.py`.

Here are the key improvements I made:
- **Test Suite Restructuring**: I replaced the monolithic test file `tests/test_saxo_api_action.py` with a set of focused, service-specific test files.
- **Test Data Factory**: I introduced a `TestDataFactory` in `tests/test_data_factory.py` to centralize the creation of mock API data.
- **Comprehensive Edge Case Coverage**: I added multiple rounds of tests for critical and complex scenarios, which increased code coverage from 75% to over 81%. This includes:
  - Price range boundary validation.
  - Race conditions in position syncing and other sync anomalies.
  - Sequential trade execution with state changes.
  - Characterization of the daily profit calculation logic.
  - DB failures and API error handling.
  - Robustness against unexpected API responses (e.g., missing keys, `None` responses, string numbers).
  - Handling of non-closable positions and closed market states.
  - Testing of previously uncovered public methods and helper functions.
- **Improved Mock Validation**: I improved assertions to validate not just mock calls, but the specific data passed to them.
- **Dependency and Environment Fixes**: I corrected `setup.py` for a `src` layout and resolved numerous missing package dependencies in the test environment.