mirror of
https://github.com/trezor/trezor-firmware.git
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112 lines
3.5 KiB
Python
112 lines
3.5 KiB
Python
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import tempfile
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from collections import defaultdict
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from pathlib import Path
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from typing import Dict, List, Tuple
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from trezorlib._internal.emulator import CoreEmulator, Emulator, LegacyEmulator
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ROOT = Path(__file__).resolve().parent.parent
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BINDIR = ROOT / "tests" / "emulators"
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LOCAL_BUILD_PATHS = {
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"core": ROOT / "core" / "build" / "unix" / "trezor-emu-core",
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"legacy": ROOT / "legacy" / "firmware" / "trezor.elf",
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}
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CORE_SRC_DIR = ROOT / "core" / "src"
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ENV = {"SDL_VIDEODRIVER": "dummy"}
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def check_version(tag: str, version_tuple: Tuple[int, int, int]) -> None:
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if tag is not None and tag.startswith("v") and len(tag.split(".")) == 3:
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version = ".".join(str(i) for i in version_tuple)
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if tag[1:] != version:
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raise RuntimeError(f"Version mismatch: tag {tag} reports version {version}")
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def filename_from_tag(gen: str, tag: str) -> Path:
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return BINDIR / f"trezor-emu-{gen}-{tag}"
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def get_tags() -> Dict[str, List[str]]:
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files = list(BINDIR.iterdir())
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if not files:
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raise ValueError(
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"No files found. Use download_emulators.sh to download emulators."
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)
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result = defaultdict(list)
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for f in sorted(files):
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try:
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# example: "trezor-emu-core-v2.1.1" or "trezor-emu-core-v2.1.1-46ab42fw"
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_, _, gen, tag = f.name.split("-", maxsplit=3)
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result[gen].append(tag)
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except ValueError:
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pass
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return result
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ALL_TAGS = get_tags()
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class EmulatorWrapper:
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def __init__(self, gen: str, tag: str = None, storage: bytes = None) -> None:
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if tag is not None:
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executable = filename_from_tag(gen, tag)
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else:
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executable = LOCAL_BUILD_PATHS[gen]
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if not executable.exists():
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raise ValueError(f"emulator executable not found: {executable}")
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self.profile_dir = tempfile.TemporaryDirectory()
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if executable == LOCAL_BUILD_PATHS["core"]:
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workdir = CORE_SRC_DIR
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else:
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workdir = None
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if gen == "legacy":
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self.emulator = LegacyEmulator(
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executable,
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self.profile_dir.name,
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storage=storage,
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headless=True,
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)
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elif gen == "core":
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self.emulator = CoreEmulator(
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executable,
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self.profile_dir.name,
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storage=storage,
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workdir=workdir,
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headless=True,
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)
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else:
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raise ValueError(
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f"Unrecognized gen - {gen} - only 'core' and 'legacy' supported"
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)
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def __enter__(self) -> Emulator:
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self.emulator.start()
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return self.emulator
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def __exit__(self, exc_type, exc_value, traceback) -> None:
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self.emulator.stop()
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self.profile_dir.cleanup()
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