def in_duration(self, duration):
"""
Find the speed of processing if this quantity of information is
processed in a given time.
:param duration: The time taken to process this amount of data.
:return: The speed of the processing.
"""
from nibble import Speed
return Speed(self, duration)
def test_eq_true(self):
self.assertEqual(
Speed.GIGABIT,
Speed(Information(10, Information.GIGABITS), Duration(seconds=10)))
def test_format_separator_info_unit(self):
speed = Speed(Information(1, Information.TERABITS))
self.assertEqual('{0: Gb}'.format(speed), '1,000 Gb/s')
def test_floordiv_high(self): # 1.66 should go down
self.assertEqual(
Speed(Information(10), Duration(1)) // 6,
Speed(Information(1), Duration(1)))
def test_from_quantity_units(self):
self.assertEqual(
Speed.from_quantity_units(1.35, 'kB', 'weeks'),
Speed(Information(1.35, Information.KILOBYTES), Duration(weeks=1)))
def test_floordiv_low(self): # 1.33 should go down
self.assertEqual(
Speed(Information(4), Duration(1)) // 3,
Speed(Information(1), Duration(1)))
def test_truediv_high(self): # 1.66 should go up
self.assertEqual(
Speed(Information(10), Duration(1)) / 6,
Speed(Information(20), Duration(10)))
def test_in_duration(self):
information = Information(10, Information.MEGABYTES)
self.assertEqual(information.in_duration(Duration(seconds=5)),
Speed(Information(2, Information.MEGABYTES)))
def test_init_instant(self):
with self.assertRaises(ValueError):
Speed(Information(1), Duration.ZERO)
def test_add(self):
self.assertEqual(
Speed(Information(500, Information.MEGABITS)) +
Speed(Information(2.5, Information.GIGABITS), Duration(seconds=5)),
Speed.GIGABIT)
def test_speed_information_duration(self):
self.assertEqual(self.parser.parse('11 b in 2 nanoseconds'),
Speed(Information(11), Duration(nanoseconds=2)))
def test_speed_constructor(self):
self.assertEqual(self.parser.parse('12 MiB/3s'),
Speed(Information(4, Information.MEBIBYTES)))
def test_duration_information_speed(self):
duration = Information(17.3, Information.GIGABYTES).at_speed(
Speed(Information(688.3, Information.KILOBYTES)))
self.assertEqual(self.parser.parse('17.3GB at 688.3kB/s'), duration)
def test_expression_speed(self):
self.assertEqual(
self.parser.parse('11.25Yib/8years'),
Speed(Information(13600415470664578215444480), Duration(years=8)))
def test_ne_false(self):
self.assertFalse(Speed.FORTY_GIGABIT != Speed(
Information(80, Information.GIGABITS), Duration(seconds=2)))
def test_sub(self):
self.assertEqual(
Speed.TEN_GIGABIT - Speed.GIGABIT,
Speed(Information(90, Information.GIGABITS), Duration(seconds=10)))
class TestSpeed(unittest.TestCase):
_INFORMATION = Information(10)
_SPEED = Speed(_INFORMATION)
def test_init_instant(self):
with self.assertRaises(ValueError):
Speed(Information(1), Duration.ZERO)
def test_from_quantity_units(self):
self.assertEqual(
Speed.from_quantity_units(1.35, 'kB', 'weeks'),
Speed(Information(1.35, Information.KILOBYTES), Duration(weeks=1)))
def test_per_second(self):
self.assertEqual(Speed.FORTY_GIGABIT._per_second,
Information(40000, Information.MEGABITS))
def test_for_duration(self):
self.assertEqual(self._SPEED.for_duration(Duration(minutes=1)),
self._INFORMATION * 60)
def test_lt_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.TEN_GIGABIT < 1
def test_lt_false(self):
self.assertFalse(Speed.TEN_GIGABIT < Speed.GIGABIT)
def test_lt_true(self):
self.assertLess(Speed.GIGABIT, Speed.TEN_GIGABIT)
def test_le_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT <= 1
def test_le_false(self):
self.assertFalse(Speed.TEN_GIGABIT <= Speed.GIGABIT)
def test_le_true_less(self):
self.assertLessEqual(Speed.GIGABIT, Speed.TEN_GIGABIT)
def test_le_true_equal(self):
self.assertLessEqual(Speed.TEN_GIGABIT, Speed.TEN_GIGABIT)
def test_eq_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT == 1
def test_eq_false(self):
self.assertFalse(Speed.GIGABIT == Speed.TEN_GIGABIT)
def test_eq_true(self):
self.assertEqual(
Speed.GIGABIT,
Speed(Information(10, Information.GIGABITS), Duration(seconds=10)))
def test_ne_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT != 1
def test_ne_false(self):
self.assertFalse(Speed.FORTY_GIGABIT != Speed(
Information(80, Information.GIGABITS), Duration(seconds=2)))
def test_ne_true(self):
self.assertNotEqual(Speed.FORTY_GIGABIT, Speed.HUNDRED_GIGABIT)
def test_ge_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT >= 1
def test_ge_false(self):
self.assertFalse(Speed.GIGABIT >= Speed.TEN_GIGABIT)
def test_ge_true_less(self):
self.assertGreaterEqual(Speed.TEN_GIGABIT, Speed.GIGABIT)
def test_ge_true_equal(self):
self.assertGreaterEqual(Speed.TEN_GIGABIT, Speed.TEN_GIGABIT)
def test_gt_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT > 1
def test_gt_false(self):
self.assertFalse(Speed.GIGABIT > Speed.TEN_GIGABIT)
def test_gt_true(self):
self.assertGreater(Speed.TEN_GIGABIT, Speed.GIGABIT)
def test_add_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT + 1
def test_add(self):
self.assertEqual(
Speed(Information(500, Information.MEGABITS)) +
Speed(Information(2.5, Information.GIGABITS), Duration(seconds=5)),
Speed.GIGABIT)
def test_sub_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT - 1
def test_sub_zero(self):
with self.assertRaises(ArithmeticError):
_ = Speed.GIGABIT * 10 - Speed.TEN_GIGABIT
def test_sub_negative(self):
with self.assertRaises(ArithmeticError):
_ = Speed.GIGABIT - Speed.TEN_GIGABIT
def test_sub(self):
self.assertEqual(
Speed.TEN_GIGABIT - Speed.GIGABIT,
Speed(Information(90, Information.GIGABITS), Duration(seconds=10)))
def test_mul_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT * ''
def test_mul(self):
self.assertEqual(Speed.TEN_GIGABIT * 4, Speed.FORTY_GIGABIT)
def test_truediv_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT / ''
def test_truediv_zero(self):
with self.assertRaises(ZeroDivisionError):
_ = Speed.GIGABIT / 0
def test_truediv_low(self): # 1.33 should go down
self.assertEqual(
Speed(Information(4), Duration(1)) / 3,
Speed(Information(1), Duration(1)))
def test_truediv_high(self): # 1.66 should go up
self.assertEqual(
Speed(Information(10), Duration(1)) / 6,
Speed(Information(20), Duration(10)))
def test_floordiv_bad_class(self):
with self.assertRaises(TypeError):
_ = Speed.GIGABIT // ''
def test_floordiv_zero(self):
with self.assertRaises(ZeroDivisionError):
_ = Speed.GIGABIT // 0
def test_floordiv_low(self): # 1.33 should go down
self.assertEqual(
Speed(Information(4), Duration(1)) // 3,
Speed(Information(1), Duration(1)))
def test_floordiv_high(self): # 1.66 should go down
self.assertEqual(
Speed(Information(10), Duration(1)) // 6,
Speed(Information(1), Duration(1)))
def test_bool_true(self):
self.assertTrue(Speed.HUNDRED_MEGABIT)
def test_bool_false(self):
self.assertFalse(Speed.ZERO)
def test_format_default(self):
self.assertEqual('{0}'.format(Speed.GIGABIT), '119.21 MiB/s')
def test_format_zero(self):
self.assertEqual('{0}'.format(Speed.ZERO), '0 B/s')
def test_format_info_unit(self):
# force Gb
self.assertEqual('{0:Gb}'.format(Speed.GIGABIT), '1Gb/s')
def test_format_invalid_time_unit(self):
with self.assertRaises(TypeError):
'{0:/z}'.format(self._SPEED)
def test_format_invalid_info_unit(self):
with self.assertRaises(TypeError):
'{0:foo}'.format(Duration.SECOND)
def test_format_separator_info_unit(self):
speed = Speed(Information(1, Information.TERABITS))
self.assertEqual('{0: Gb}'.format(speed), '1,000 Gb/s')
def test_format_time_unit_singular(self):
# use per minute instead of seconds, and work out the quantity in binary
# bytes
self.assertEqual('{0:/m}'.format(Speed.GIGABIT), '6.98GiB/m')
def test_format_time_unit_integral(self):
self.assertEqual('{0:/5m}'.format(Speed.TEN_GIGABIT), '349.25GiB/5m')
def test_format_time_unit_fractional(self):
self.assertEqual('{0:/2.3d}'.format(Speed.TEN_MEGABIT),
'231.34GiB/2.3d')
def test_format_separator_time_unit(self):
self.assertEqual('{0: /m}'.format(Speed.GIGABIT), '6.98 GiB/m')
def test_format_info_category_time_unit(self):
# work out the quantity in binary bit units per hour, putting a space
# between the quantity and unit, and using default formatting for the
# quantity,
self.assertEqual('{0: bb/h}'.format(Speed.GIGABIT), '3.27 Tib/h')
def test_format_info_unit_time_unit(self):
# use per minute instead of seconds, and work out the quantity in MiB
self.assertEqual('{0: MiB/m}'.format(Speed.HUNDRED_MEGABIT),
'715.26 MiB/m')
def test_format(self):
# show the quantity of information processed per month to 2dp with comma
# separated thousands, with a space after, then a decimal bytes unit
self.assertEqual('{0:,.2f|dB/mo}'.format(Speed.GIGABIT), '328.50TB/mo')
def test_repr(self):
self.assertEqual(repr(self._SPEED),
'<Speed(<Information(10)>, <Duration(1000000000)>)>')
def test_str(self):
self.assertEqual(str(self._SPEED), '1.25 B/s')
def test_at_speed(self):
speed = Speed(Information(100, Information.GIBIBYTES))
information = Information(10, Information.GIBIBYTES)
self.assertEqual(information.at_speed(speed),
Duration(milliseconds=100))