Files
DoorCounter/tools/test_deploy_firmware.py

64 lines
1.8 KiB
Python

import json, hashlib, sys
from pathlib import Path
import pytest
REPO_ROOT = Path(__file__).parent.parent
sys.path.insert(0, str(REPO_ROOT / "tools"))
from cryptography.hazmat.primitives.asymmetric import ec
from cryptography.hazmat.primitives import serialization
from deploy_firmware import deploy
@pytest.fixture()
def key_pem(tmp_path):
key = ec.generate_private_key(ec.SECP256R1())
pem_path = tmp_path / "key.pem"
pem_path.write_bytes(key.private_bytes(
serialization.Encoding.PEM,
serialization.PrivateFormat.PKCS8,
serialization.NoEncryption(),
))
return pem_path
def test_deploy_writes_all_artifacts(tmp_path, key_pem):
firmware = tmp_path / "firmware.bin"
firmware.write_bytes(b"fake firmware" * 200)
out_dir = tmp_path / "server_firmware"
deploy(firmware_path=firmware, key_path=key_pem,
version="1.2.3", output_dir=out_dir)
assert (out_dir / "current.bin").exists()
assert (out_dir / "current.sig").exists()
assert (out_dir / "manifest.json").exists()
def test_manifest_contents(tmp_path, key_pem):
data = b"firmware payload"
firmware = tmp_path / "fw.bin"
firmware.write_bytes(data)
out_dir = tmp_path / "out"
deploy(firmware_path=firmware, key_path=key_pem,
version="2.0.1", output_dir=out_dir)
manifest = json.loads((out_dir / "manifest.json").read_text())
assert manifest["version"] == "2.0.1"
assert manifest["size"] == len(data)
assert manifest["sha256"] == hashlib.sha256(data).hexdigest()
def test_signature_is_64_bytes(tmp_path, key_pem):
firmware = tmp_path / "fw.bin"
firmware.write_bytes(b"fw")
out_dir = tmp_path / "out"
deploy(firmware_path=firmware, key_path=key_pem,
version="1.0.0", output_dir=out_dir)
sig = (out_dir / "current.sig").read_bytes()
assert len(sig) == 64