Files

- Changed directories to TNC (Tilmann Naming Convention)
- Updated `DatabaseManager` with new IMU methods
- Added `IMUDatabaseWriter` test documentation

2025-11-03 12:11:58 +01:00

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Database Manager Unit Tests

Unit tests for DatabaseManager are implemented in src/g2_2025_imu_reader_pkg/test/DatabaseManager.test.cpp using Google Test and ROS2 test utilities. The tests are designed to work reliably whether a database connection is available or not, focusing on error handling and method behavior validation.

Test Cases

1. ConstructorTest

Description: Verifies that DatabaseManager can be created without crashing and proper initialization occurs.

Test Action: Create DatabaseManager instance with ROS2 logger
Expected Result: Instance created successfully without exceptions

2. ConnectionStatusTest

Description: Tests that the is_connected() method returns a valid boolean value.

Test Action: Call is_connected() method
Expected Result: Returns either true or false (no crashes or invalid states)

3. QueuePendingCombinationsTest

Description: Verifies retrieval of pending student-course combinations that need exam results.

Test action: Call store_imu_data(linear_x, linear_y, linear_z, ang_x, ang_y, ang_z) without an active DB connection.
Expected result: Returns false and does not throw — method must check connection status before DB operations.

4. CreateTablesNoCrash

Description: Verifies calling create_tables() without an active connection is safe.

Test action: Call create_tables() on a manager that is not connected.
Expected result: No exception thrown; the function should be a no-op when no DB connection exists.

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