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trezor-firmware/core/tests/test_storage.cache.py

89 lines
2.8 KiB
Python

from common import *
from mock_storage import mock_storage
from storage import cache
from trezor.messages.Initialize import Initialize
from trezor.wire import DUMMY_CONTEXT
from apps.homescreen import handle_Initialize
KEY = 99
class TestStorageCache(unittest.TestCase):
def test_start_session(self):
session_id_a = cache.start_session()
self.assertIsNotNone(session_id_a)
session_id_b = cache.start_session()
self.assertNotEqual(session_id_a, session_id_b)
cache.clear_all()
with self.assertRaises(RuntimeError):
cache.set(KEY, "something")
with self.assertRaises(RuntimeError):
cache.get(KEY)
def test_session_queue(self):
session_id = cache.start_session()
self.assertEqual(cache.start_session(session_id), session_id)
cache.set(KEY, "A")
for i in range(cache._MAX_SESSIONS_COUNT):
cache.start_session()
self.assertNotEqual(cache.start_session(session_id), session_id)
self.assertIsNone(cache.get(KEY))
def test_get_set(self):
session_id1 = cache.start_session()
cache.set(KEY, "hello")
self.assertEqual(cache.get(KEY), "hello")
session_id2 = cache.start_session()
cache.set(KEY, "world")
self.assertEqual(cache.get(KEY), "world")
cache.start_session(session_id2)
self.assertEqual(cache.get(KEY), "world")
cache.start_session(session_id1)
self.assertEqual(cache.get(KEY), "hello")
cache.clear_all()
with self.assertRaises(RuntimeError):
cache.get(KEY)
@mock_storage
def test_Initialize(self):
def call_Initialize(**kwargs):
msg = Initialize(**kwargs)
return await_result(handle_Initialize(DUMMY_CONTEXT, msg))
# calling Initialize without an ID allocates a new one
session_id = cache.start_session()
features = call_Initialize()
self.assertNotEqual(session_id, features.session_id)
# calling Initialize with the current ID does not allocate a new one
features = call_Initialize(session_id=session_id)
self.assertEqual(session_id, features.session_id)
# store "hello"
cache.set(KEY, "hello")
# check that it is cleared
features = call_Initialize()
session_id = features.session_id
self.assertIsNone(cache.get(KEY))
# store "hello" again
cache.set(KEY, "hello")
self.assertEqual(cache.get(KEY), "hello")
# supplying a different session ID starts a new cache
call_Initialize(session_id=b"A")
self.assertIsNone(cache.get(KEY))
# but resuming a session loads the previous one
call_Initialize(session_id=session_id)
self.assertEqual(cache.get(KEY), "hello")
if __name__ == "__main__":
unittest.main()