def use_energy_in_the_future():
energy = Energy(10, 5)
with time_traveler() as T:
T( 5); energy.use()
T( 6); assert energy.passed() == 1
with raises(ValueError):
T( 0); energy.passed()
def use_energy_in_the_future():
energy = Energy(10, 5)
with time_traveler() as T:
T(5)
energy.use()
T(6)
assert energy.passed() == 1
with raises(ValueError):
T(0)
energy.passed()
def test_future_tulerance():
energy = Energy(10, 5, future_tolerance=4)
with time_traveler() as T:
T(5)
energy.use()
# used at the past
T(6)
assert energy.passed() == 1
assert energy == 9
# used at the near future
T(4)
assert energy.passed() == 0
assert energy == 9
T(3)
assert energy.passed() == 0
assert energy == 9
T(2)
assert energy.passed() == 0
assert energy == 9
T(1)
assert energy.passed() == 0
assert energy == 9
# used at the remote future
T(0)
with raises(ValueError):
energy.passed()
def test_future_tulerance():
energy = Energy(10, 5, future_tolerance=4)
with time_traveler() as T:
T(5)
energy.use()
# used at the past
T(6)
assert energy.passed() == 1
assert energy == 9
# used at the near future
T(4)
assert energy.passed() == 0
assert energy == 9
T(3)
assert energy.passed() == 0
assert energy == 9
T(2)
assert energy.passed() == 0
assert energy == 9
T(1)
assert energy.passed() == 0
assert energy == 9
# used at the remote future
T(0)
with raises(ValueError):
energy.passed()
def test_use_energy_at_the_future():
energy = Energy(10, 5)
with time_traveler() as T:
T( 5); energy.use()
T( 6); assert energy.passed() == 1
with raises(ValueError):
T( 4); energy.passed()
with raises(ValueError):
T( 3); energy.passed()
with raises(ValueError):
T( 2); energy.passed()
with raises(ValueError):
T( 1); energy.passed()
with raises(ValueError):
T( 0); energy.passed()
def test_use_energy_at_the_future():
energy = Energy(10, 5)
with time_traveler() as T:
T(5)
energy.use()
T(6)
assert energy.passed() == 1
with raises(ValueError):
T(4)
energy.passed()
with raises(ValueError):
T(3)
energy.passed()
with raises(ValueError):
T(2)
energy.passed()
with raises(ValueError):
T(1)
energy.passed()
with raises(ValueError):
T(0)
energy.passed()
