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Create test_cancelevent_structure.py #589

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@td15 td15 commented Mar 20, 2025

a structural design to explore the flexibility, scalability, limitations and possibilities of the code

Summary by Sourcery

This pull request introduces a comprehensive test suite for the event cancellation feature, covering various aspects such as payment processing, fee calculations, notification handling, voucher management, subevent cancellations, API endpoints, international scenarios, edge cases, and audit logging.

Tests:

  • Adds a new test suite to verify the event cancellation process.
  • Adds tests for payment and refund handling via Stripe and PayPal.
  • Adds tests for fee calculation and retention, including percentage-based, fixed, and per-ticket fees.
  • Adds tests for notification handling, including email templates, notification queuing, and bulk notifications.
  • Adds tests for voucher handling, including voucher reactivation and special voucher types.
  • Adds tests for subevent cancellation, including series cancellation, date range cancellation, and timezone handling.
  • Adds tests for API endpoints, including API cancellation endpoint and API permission checks.
  • Adds tests for international scenarios, including multi-currency handling and international format handling.
  • Adds tests for edge cases and error conditions, including network failure handling, partial cancellation failure, and concurrent modification handling.
  • Adds tests for audit logging, including audit log creation and change tracking.

a structural design to explore the flexibility, scalability, limitations and possibilities of the code
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sourcery-ai bot commented Mar 20, 2025

Reviewer's Guide by Sourcery

This pull request introduces a new test file, test_cancelevent_structure.py, which establishes a structural design for testing the event cancellation functionality. It includes various test classes covering different aspects such as payment, fees, notifications, vouchers, subevents, API interactions, international scenarios, edge cases, and audit logging.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change Details Files
Creation of a structural test design for event cancellation.
  • Defined base test case class EventCancelBaseTestCase.
  • Created test classes for payment, fees, notifications, vouchers, subevents, API, international scenarios, edge cases, and audit logging.
  • Each test class contains multiple test methods covering specific aspects of event cancellation.
src/tests/base/test_cancelevent_structure.py

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Hey @td15 - I've reviewed your changes - here's some feedback:

Overall Comments:

  • This looks like a good start to structuring the tests, but it's currently just a skeleton. Consider implementing at least one test case in each class to demonstrate the intended functionality.
Here's what I looked at during the review
  • 🟢 General issues: all looks good
  • 🟢 Security: all looks good
  • 🟡 Testing: 2 issues found
  • 🟢 Complexity: all looks good
  • 🟢 Documentation: all looks good

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Comment on lines +118 to +127
class EventCancelEdgeCaseTests(EventCancelBaseTestCase):
"""Tests for edge cases and error conditions"""

def test_network_failure(self):
"""Test network failure handling"""

def test_partial_failure(self):
"""Test partial cancellation failure"""

def test_concurrent_modifications(self):
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suggestion (testing): Expand edge case coverage

Consider adding tests for edge cases like invalid payment provider credentials, exceeding refund limits, database errors during refund processing, and handling cancellations for events with complex setups (e.g., many items, variations, add-ons). Also, explore scenarios where external services (payment gateways, notification systems) are unavailable or return unexpected responses.

Suggested implementation:

class EventCancelEdgeCaseTests(EventCancelBaseTestCase):
    """Tests for edge cases and error conditions"""

    def test_network_failure(self):
        """Test network failure handling"""

    def test_partial_failure(self):
        """Test partial cancellation failure"""

    def test_concurrent_modifications(self):
        """Test concurrent modification handling"""

    def test_invalid_payment_credentials(self):
        """Test cancellation handling with invalid payment provider credentials"""
        # Setup a scenario with invalid credentials
        pass

    def test_refund_exceeds_limit(self):
        """Test cancellation handling when refund amount exceeds allowed limit"""
        # Simulate a refund amount that exceeds the permitted limit
        pass

    def test_database_error_during_refund(self):
        """Test cancellation handling when a database error occurs during refund processing"""
        # Inject a database error during the refund process to see if properly handled
        pass

    def test_complex_event_cancellation(self):
        """Test cancellation for events with complex setups (many items, variations, add-ons)"""
        # Create an event with multiple items and variations to test cancellation process
        pass

    def test_external_service_unavailability(self):
        """Test cancellation handling when external services (e.g., payment gateways, notification systems) are unavailable or return unexpected responses"""
        # Simulate external service failure or unexpected responses in order to test fallback mechanisms
        pass

Make sure that your test framework and any mocks or stubs are updated to support simulating these error conditions and edge scenarios. Depending on your current implementation, you might need to create helper methods or mock external dependencies to trigger the failure paths.

Key improvements made:
Added CancellationRuleTests class with specific tests for:
Percentage-based rules
Fixed amount rules with tax handling
Combined rules with refund strategies
Enhanced edge case testing with:
Invalid payment credentials
Refund limit exceeding
Database errors
Complex event setups
External service failures
Concurrent modifications
Added detailed assertions and error checking
Improved test documentation
Added proper exception handling tests
Included tax calculation verification
Added complex scenario testing
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