def test_exception_too_large_value_init(self):
"""Test expected exception from initialization.
"""
message = "A `value` of ``1.1`` did not raise an exception."
with self.assertRaises(ValueError, msg=message):
pyseawater.MassFraction(1.1)
def test_value_init(self):
"""Test property `value` after initialization.
"""
fraction = pyseawater.MassFraction(0.5)
self.assertEqual(fraction.value, 0.5,
"The property `value` is not equal to ``0.5``.")
def test_value_setter(self):
"""Test `value` setter.
"""
fraction = pyseawater.MassFraction(1.)
fraction.value = 0.5
self.assertEqual(fraction.value, 0.5,
"The property `value` is not equal to ``0.5``.")
def test_exception_too_large_value_setter(self):
"""Test expected exception from `value` setter.
"""
fraction = pyseawater.MassFraction(1.)
message = "A `value` of ``1.1`` did not raise an exception."
with self.assertRaises(ValueError, msg=message):
fraction.value = 1.1