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trezor-firmware/storage/tests/tests/test_random_upgrade.py
2024-02-20 09:37:28 +01:00

76 lines
2.1 KiB
Python

import hypothesis.strategies as st
from c0.storage import Storage as StorageC0
from c.storage import Storage as StorageC
from hypothesis import assume, settings
from hypothesis.stateful import Bundle, RuleBasedStateMachine, invariant, rule
from . import common
from .storage_model import StorageModel
class StorageUpgrade(RuleBasedStateMachine):
def __init__(self):
super(StorageUpgrade, self).__init__()
self.sc = StorageC0()
self.sc.init()
self.sm = StorageModel()
self.sm.init(common.test_uid)
self.storages = (self.sc, self.sm)
self.ensure_unlocked()
keys = Bundle("keys")
values = Bundle("values")
pins = Bundle("pins")
@rule(target=keys, app=st.integers(1, 0xFF), key=st.integers(0, 0xFF))
def k(self, app, key):
return (app << 8) | key
@rule(target=values, v=st.binary(min_size=0, max_size=10000))
def v(self, v):
return v
@rule(target=pins, p=st.integers(1, 3))
def p(self, p):
if p == 1:
return ""
else:
return str(p)
@rule(k=keys, v=values)
def set(self, k, v):
assume(k != 0xFFFF)
for s in self.storages:
s.set(k, v)
@rule(p=pins)
def check_pin(self, p):
assert self.sm.unlock(p) == self.sc.check_pin(p)
self.ensure_unlocked()
@rule(oldpin=pins, newpin=pins)
def change_pin(self, oldpin, newpin):
assert self.sm.change_pin(oldpin, newpin) == self.sc.change_pin(oldpin, newpin)
self.ensure_unlocked()
@invariant()
def check_upgrade(self):
sc1 = StorageC("libtrezor-storage.so")
sc1._set_flash_buffer(self.sc._get_flash_buffer())
sc1.init(common.test_uid)
assert self.sm.get_pin_rem() == sc1.get_pin_rem()
assert sc1.unlock(self.sm.pin)
for k, v in self.sm:
assert sc1.get(k) == v
def ensure_unlocked(self):
if not self.sm.unlocked:
for s in self.storages:
assert s.unlock(self.sm.pin)
TestStorageUpgrade = StorageUpgrade.TestCase
TestStorageUpgrade.settings = settings(
deadline=None, max_examples=30, stateful_step_count=50
)