tree cff6bef680cd112273be256fd2b936faf2842c90
parent 83fb7fd78e10841b4ae7a4e9b0603fc3e1ce8c72
author Tennessee Carmel-Veilleux <tennessee.carmelveilleux@gmail.com> 1659503855 -0400
committer GitHub <noreply@github.com> 1659503855 +0000
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Introduce Python-based freestanding tests (#21567)

* Introduce Python-based freestanding tests

- Testing with Cirque requires complex setup and it is not easy to add
  tests.
- Testing with chip-repl is interactive only
- We needed a way to test more complex test scenarios than possible
  with chip-tool which cannot deal with complex test cases including recomputed
  cryptographic values due to complex logic and data dependencies.

This PR:

- Uses existing Mobly test framework dependency to add capabilities to
  make freestanding tests (see `src/python_testing/hello_test.py`)
- Adds a module that only depends on existing CHIP modules in the virtual
  environment to provide needed scaffolding for tests running, including
  being able to commission a device from the command line
- Adds needed cryptographic dependencies to environment for upcoming tests
- Adds an example test (`hello_test.py`)
- Added support to Python ChipDeviceCtrl to do on-network commissioning
  (thanks @erjiaqing!)

What will follow-up:
- Better docs
- More sample tests
- A way to re-use credentials from chip-tool with Python (already WIP)

Testing done:
- Built a test for TC-DA-1.7 (not included here) and ran it successfully against
  an all-clusters-app
- Unit tests still pass
- Integration tests still pass

* Restyled by clang-format

* Restyled by gn

* Restyled by autopep8

Co-authored-by: Restyled.io <commits@restyled.io>