def test_parameters_with_quantity_powers(self):
"""Test if we can construct and use a Parameter instance passing pint.Quantity and pint.Unit objects to the constructor and interval setter. Use different powers of 10 in parameter initialization and value assignment."""
# Define the base unit of my parameter object.
meter = Unit("meter")
centimeter = Unit("centimeter")
self.assertIsInstance(meter, Unit)
minimum_undulator_length = 10.0 * meter
undulator_length = Parameter("undulator_length", centimeter)
self.assertIsInstance(undulator_length, Parameter)
self.assertEqual(undulator_length.unit, Unit("centimeter"))
undulator_length.add_interval(
min_value=minimum_undulator_length,
max_value=numpy.inf * meter,
intervals_are_legal=True,
)
print(undulator_length)
self.assertTrue(undulator_length.is_legal(10.1 * meter))
self.assertFalse(undulator_length.is_legal(9.0 * centimeter))
self.assertTrue(undulator_length.is_legal(5.5e4 * Unit("centimeter")))
def test_parameter_iterable(self):
par = Parameter("test")
par.add_interval(3, 4.5, True)
par.add_option(7, True)
self.assertFalse(par.is_legal([0.5, 3.2, 5.0]))
self.assertTrue(par.is_legal([3.1, 4.2, 4.4]))
self.assertTrue(par.is_legal([3.1, 4.2, 4.4, 7]))
def test_parameter_from_dict(self):
par = Parameter("test")
par.add_interval(3, 4.5, True)
par.value = 4.0
par_from_dict = Parameter.from_dict(par.__dict__)
self.assertEqual(par_from_dict.value, 4.0)
def test_clear_intervals(self): # FIXME
par = Parameter("test")
par.add_interval(3, 4.5, True)
# self.assertEqual(par.__intervals, [[3, 4.5]]) #FIXME
par.clear_intervals()
par.add_option(9.7, True)
# self.assertEqual(par.__options, [9.7])
par.clear_options()
def test_parameter_multiple_intervals(self):
par = Parameter("test")
par.add_interval(None, 8.5, True) # minus infinite to 8.5
self.assertRaises(ValueError, par.add_interval, 3, 4.5, False)
self.assertTrue(par.is_legal(-831.0))
self.assertTrue(par.is_legal(3.5))
self.assertTrue(par.is_legal(5.0))
self.assertFalse(par.is_legal(10.0))
def test_add_interval_after_value(self):
par = Parameter("test")
par.value = 4.0
par.add_interval(3, 4.5, True)
par.clear_intervals()
par.value = 5.0
with self.assertRaises(ValueError):
par.add_interval(3, 4.5, True)
def test_parameter_illegal_interval_plus_legal_option(self):
par = Parameter("test")
par.add_interval(None, 8.5, False) # minus infinite to 8.5
par.add_option(5, True)
self.assertFalse(par.is_legal(-831.0))
self.assertFalse(par.is_legal(8.5))
self.assertTrue(par.is_legal(5.0))
self.assertTrue(par.is_legal(10.0))
self.assertTrue(par.is_legal(11.0))
def test_parameter_set_value(self):
par = Parameter("test")
par.add_interval(3, 4.5, True)
par.value = 4.0
self.assertEqual(par.value, 4.0)
with self.assertRaises(ValueError):
par.value = 5.0 # Should throw an error and be ignored
self.assertEqual(par.value, 4.0)
def test_parameter_illegal_interval_plus_illegal_option(self):
par = Parameter("test")
par.add_interval(None, 8.5, False) # minus infinite to 8.5
par.add_option(
5, False) # this is stupid, already accounted in the interval
par.add_option(11, False)
self.assertFalse(par.is_legal(-831.0))
self.assertFalse(par.is_legal(8.5)) # illegal because closed interval
self.assertFalse(par.is_legal(5.0))
self.assertTrue(par.is_legal(10.0))
self.assertFalse(par.is_legal(11.0))
def test_get_intervals(self):
par = Parameter("test")
par.add_interval(3, 4.5, True)
par.add_interval(8, 10, True)
retrived_intervals = par.get_intervals()
self.assertEqual(len(retrived_intervals), 2)
self.assertEqual(retrived_intervals[0][0], 3)
self.assertEqual(retrived_intervals[0][1], 4.5)
self.assertEqual(retrived_intervals[1][0], 8)
self.assertEqual(retrived_intervals[1][1], 10)
self.assertTrue(par.get_intervals_are_legal())
def test_parameter_value_type(self):
par = Parameter("test")
par.value = 4.0
assert par._Parameter__value_type == Quantity
par1 = Parameter("test")
par1.value = 4
assert par1._Parameter__value_type == int
par2 = Parameter("test", unit="meV")
par2.value = 4
assert par2._Parameter__value_type == Quantity
par3 = Parameter("test", unit="meV")
par3.add_interval(0, 1e6, True)
assert par3._Parameter__value_type == Quantity
def test_parameter_get_options(self):
"""
Ensure get_options returns the options as required
"""
par = Parameter("test")
par.add_interval(None, 8.5, False) # minus infinite to 8.5
par.add_option(
5, True) # this is stupid, already accounted in the interval
par.add_option(11, True)
retrieved_options = par.get_options()
self.assertEqual(len(retrieved_options), 2)
self.assertEqual(retrieved_options[0], 5.0)
self.assertEqual(retrieved_options[1], 11.0)
self.assertTrue(par.get_options_are_legal())
def test_parameter_legal_interval(self):
par = Parameter("test")
par.add_interval(3, 4.5, True)
self.assertTrue(par.is_legal(3.5))
self.assertFalse(par.is_legal(1.0))
def test_print(self):
par = Parameter("test")
par.add_interval(3, 4.5, True)
par.add_option(9.8, True)
print(par)
def test_print_legal_interval(self):
par = Parameter("test")
par.add_interval(3, 4.5, True)
par.add_option(9.8, True)
par.print_parameter_constraints()
