def test_set_rate_cache_time():
original = bitcash.network.rates.DEFAULT_CACHE_TIME
set_rate_cache_time(30)
updated = bitcash.network.rates.DEFAULT_CACHE_TIME
assert original != updated
assert updated == 30
set_rate_cache_time(original)
def test_cache(self):
sleep(0.2)
start_time = time()
set_rate_cache_time(0)
currency_to_satoshi_cached(1, "usd")
initial_time = time() - start_time
start_time = time()
set_rate_cache_time(60)
currency_to_satoshi_cached(1, "usd")
cached_time = time() - start_time
assert initial_time > cached_time
def test_expires(self):
sleep(0.2)
set_rate_cache_time(0)
currency_to_satoshi_cached(1, "usd")
start_time = time()
set_rate_cache_time(60)
currency_to_satoshi_cached(1, "usd")
cached_time = time() - start_time
sleep(0.2)
start_time = time()
set_rate_cache_time(0.1)
currency_to_satoshi_cached(1, "usd")
update_time = time() - start_time
assert update_time > cached_time