69 lines
2.5 KiB
Python
69 lines
2.5 KiB
Python
import pytest
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from pathlib import Path
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from ragger.firmware import Firmware
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from ragger.backend import SpeculosBackend, LedgerCommBackend, LedgerWalletBackend, BackendInterface
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from ethereum_client.client import EthereumClient
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FWS = [
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Firmware("nanos", "2.1"),
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Firmware("nanox", "2.0.2"),
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Firmware("nanosp", "1.0.3")
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]
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def pytest_addoption(parser):
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parser.addoption("--backend", action="store", default="speculos")
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parser.addoption("--path", action="store", default="./elfs")
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parser.addoption("--model", action="store", required=True)
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# accessing the value of the "--backend" option as a fixture
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@pytest.fixture
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def arg_backend(pytestconfig) -> str:
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return pytestconfig.getoption("backend")
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@pytest.fixture
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def arg_path(pytestconfig) -> str:
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return pytestconfig.getoption("path")
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@pytest.fixture
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def arg_model(pytestconfig) -> str:
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return pytestconfig.getoption("model")
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# Providing the firmware as a fixture
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@pytest.fixture
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def firmware(arg_model: str) -> Firmware:
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for fw in FWS:
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if fw.device == arg_model:
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return fw
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raise ValueError("Unknown device model \"%s\"" % (arg_model))
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def get_elf_path(arg_path: str, firmware: Firmware) -> Path:
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elf_dir = Path(arg_path).resolve()
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assert elf_dir.is_dir(), ("%s is not a directory" % (arg_path))
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app = elf_dir / ("app-%s.elf" % firmware.device)
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assert app.is_file(), ("Firmware %s does not exist !" % (app))
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return app
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# Depending on the "--backend" option value, a different backend is
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# instantiated, and the tests will either run on Speculos or on a physical
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# device depending on the backend
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def create_backend(backend: str, arg_path: str, firmware: Firmware) -> BackendInterface:
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if backend.lower() == "ledgercomm":
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return LedgerCommBackend(firmware, interface="hid")
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elif backend.lower() == "ledgerwallet":
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return LedgerWalletBackend(firmware)
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elif backend.lower() == "speculos":
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return SpeculosBackend(get_elf_path(arg_path, firmware), firmware)
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else:
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raise ValueError(f"Backend '{backend}' is unknown. Valid backends are: {BACKENDS}")
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# This fixture will create and return the backend client
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@pytest.fixture
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def backend_client(arg_backend: str, arg_path: str, firmware: Firmware) -> BackendInterface:
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with create_backend(arg_backend, arg_path, firmware) as b:
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yield b
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# This final fixture will return the properly configured app client, to be used in tests
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@pytest.fixture
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def app_client(backend_client: BackendInterface) -> EthereumClient:
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return EthereumClient(backend_client)
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