def test_remaining_milliseconds_computes_delta():
"""
Assert that :prop:`~adbts.timeouts.Timeout.remaining_milliseconds` computes its value from the
elapsed time.
"""
with timeouts.Timeout(5) as timeout:
time.sleep(1)
assert timeout.remaining_milliseconds <= 4000
def stopped_timeout():
"""
Fixture that yields a :class:`~adbtp.timeouts.Timeout` that has been started and stopped.
"""
timeout = timeouts.Timeout(1)
timeout.start()
timeout.stop()
return timeout
def test_timeout_not_exceeded_when_elapsed_less_than_period():
"""
Assert that :prop:`~adbts.timeouts.Timeout.exceeded` returns `False` when elapsed does not
exceed the period.
"""
with timeouts.Timeout(5) as timeout:
assert not timeout.exceeded
time.sleep(0.5)
assert not timeout.exceeded
def test_timeout_exceeded_when_elapsed_greater_than_period():
"""
Assert that :prop:`~adbts.timeouts.Timeout.exceeded` returns `True` after period
has been exhausted.
"""
with timeouts.Timeout(0.5) as timeout:
assert not timeout.exceeded
time.sleep(1)
assert timeout.exceeded
def test_elapsed_millisseconds_increments_when_not_stopped():
"""
Assert that :prop:`~adbts.timeouts.Timeout.elapsed_milliseconds` continues to increment when
it is not stopped.
"""
with timeouts.Timeout(5) as timeout:
for _ in range(0, 3):
prev = timeout.elapsed_milliseconds
time.sleep(1)
assert timeout.elapsed_milliseconds >= prev + 1000
def undefined_timeout():
"""
Fixture that yields a :class:`~adbtp.timeouts.Timeout` that was created using the timeout sentinel value.
"""
return timeouts.Timeout(timeouts.UNDEFINED)
def not_started_timeout():
"""
Fixture that yields a :class:`~adbtp.timeouts.Timeout` that has not been started.
"""
return timeouts.Timeout(1)
def test_period_property_returns_given_value(valid_period):
"""
Assert that :prop:`~adbtp.timeouts.Timeout.period` returns the given period time value.
"""
timeout = timeouts.Timeout(valid_period)
assert timeout.period == valid_period
