Returns a test suite that always fails.

Fixture for a `Host` that wraps the mock_host_interface.

Fixture for a `HostSession`, configured with a mock_host_interface, (via a_host) and a mock_logger.

Returns a test suite that always passes.

Wrap in a C++ proxy logger that asserts the Python GIL is released before forwarding calls to mock_logger in a separate thread. This is

Wrap in a C++ proxy manager that asserts the Python GIL is released before forwarding calls to mock_manager_interface in a separate threa

Wrap in a C++ proxy UI delegate that asserts the Python GIL is released before forwarding calls to mock_ui_delegate_interface in a separa

Returns a UIDelegate instance that is backed by a threaded UIDelegateInterface that errors on being called with the GIL held.

Add a DLL search path from the OPENASSETIO_DLL_PATH environment variable, if provided, and check if the openassetio Python C extension mo

Removes openassetio modules from the sys.modules cache that otherwise mask cyclic dependencies.