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trezor-firmware/docs/tests/device-tests.md
2019-12-06 12:24:20 +00:00

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Running device tests

1. Running the full test suite

Note: You need Pipenv, as mentioned in the core's documentation section.

In the trezor-firmware checkout, in the root of the monorepo, install the environment:

pipenv sync

And run the automated tests:

pipenv run make -C core test_emu

2. Running tests manually

Install the pipenv environment as outlined above. Then switch to a shell inside the environment:

pipenv shell

If you want to test against the emulator, run it in a separate terminal from the core subdirectory:

PYOPT=0 ./emu.sh

Now you can run the test suite with pytest from the root directory:

pytest tests/device_tests

Useful Tips

The tests are randomized using the pytest-random-order plugin. The random seed is printed in the header of the tests output, in case you need to run the tests in the same order.

If you only want to run a particular test, pick it with -k <keyword> or -m <marker>:

pytest -k nem      # only runs tests that have "nem" in the name
pytest -m stellar  # only runs tests marked with @pytest.mark.stellar

If you want to see debugging information and protocol dumps, run with -v.

If you would like to interact with the device (i.e. press the buttons yourself), just prefix pytest with INTERACT=1:

INTERACT=1 pytest tests/device_tests

3. Using markers

When you're developing a new currency, you should mark all tests that belong to that currency. For example, if your currency is called NewCoin, your device tests should have the following marker:

@pytest.mark.newcoin

This marker must be registered in REGISTERED_MARKERS file.

If you wish to run a test only on TT, mark it with @pytest.mark.skip_t1. If the test should only run on T1, mark it with @pytest.mark.skip_t2. You must not use both on the same test.