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python_impl_tests

README.md

Python Implementation Tests

Generate shim code for tests

cd internal/scripts
ruby generate_erpc_py.rb Debug/Linux/erpcgen ../.. # generate_erpc_py.rb [path to erpcgen] [path to erpc]

The shim code is generated in the test/python_impl_tests/{test_name}/service/ folder.

Running tests

pytest --client --server # TCP python-python
pytest --server --port 42 # TCP server on port 42
pytest --client --host 10.0.0.1 --port 42 # TCP host connecting to 10.0.0.1 on port 42
pytest --client --serial COM9 --baud 112233 # Serial client on COM9 with baud 112233

Tests implementation notes

Tests use the pytest fixture to get an eRPC client or server object.

conftest.py includes these fixtures:

  • config: it takes pytestconfig fixture and if twister_harness option exists, set the configuration to use serial client on the given port
  • transport_factory: Transport layer factory, used to spawn new process with given configuration when running client_server
  • client_manager: eRPC client manager
  • common_client: Common client, used in tests to terminate eRPC server
  • server: Server fixture that is created before client_manager and runs or spawns the server based on config. Takes list of services defined in each testcase.

Each test the defines client and services fixtures. Client fixture is then used in tests.