class ParameterConstraintTest(TestCase):
def setUp(self):
self.constraint = ParameterConstraint(constraint_dict={
"x": 2.0,
"y": -3.0
},
bound=6.0)
self.constraint_repr = "ParameterConstraint(2.0*x + -3.0*y <= 6.0)"
def testEq(self):
constraint1 = ParameterConstraint(constraint_dict={
"x": 2.0,
"y": -3.0
},
bound=6.0)
constraint2 = ParameterConstraint(constraint_dict={
"y": -3.0,
"x": 2.0
},
bound=6.0)
self.assertEqual(constraint1, constraint2)
constraint3 = ParameterConstraint(constraint_dict={
"x": 2.0,
"y": -5.0
},
bound=6.0)
self.assertNotEqual(constraint1, constraint3)
def testProperties(self):
self.assertEqual(self.constraint.constraint_dict["x"], 2.0)
self.assertEqual(self.constraint.bound, 6.0)
def testRepr(self):
self.assertEqual(str(self.constraint), self.constraint_repr)
def testValidate(self):
parameters = {"x": 4, "z": 3}
with self.assertRaises(ValueError):
self.constraint.check(parameters)
parameters = {"x": 4, "y": 1}
self.assertTrue(self.constraint.check(parameters))
self.constraint.bound = 4.0
self.assertFalse(self.constraint.check(parameters))
def testClone(self):
constraint_clone = self.constraint.clone()
self.assertEqual(self.constraint.bound, constraint_clone.bound)
constraint_clone._bound = 7.0
self.assertNotEqual(self.constraint.bound, constraint_clone.bound)
def testCloneWithTransformedParameters(self):
constraint_clone = self.constraint.clone_with_transformed_parameters(
transformed_parameters={})
self.assertEqual(self.constraint.bound, constraint_clone.bound)
constraint_clone._bound = 7.0
self.assertNotEqual(self.constraint.bound, constraint_clone.bound)
class ParameterConstraintTest(TestCase):
def setUp(self):
self.constraint = ParameterConstraint(constraint_dict={
"x": 2.0,
"y": -3.0
},
bound=6.0)
self.constraint_repr = "ParameterConstraint(2.0*x + -3.0*y <= 6.0)"
def testEq(self):
constraint1 = ParameterConstraint(constraint_dict={
"x": 2.0,
"y": -3.0
},
bound=6.0)
constraint2 = ParameterConstraint(constraint_dict={
"y": -3.0,
"x": 2.0
},
bound=6.0)
self.assertEqual(constraint1, constraint2)
constraint3 = ParameterConstraint(constraint_dict={
"x": 2.0,
"y": -5.0
},
bound=6.0)
self.assertNotEqual(constraint1, constraint3)
def testProperties(self):
self.assertEqual(self.constraint.constraint_dict["x"], 2.0)
self.assertEqual(self.constraint.bound, 6.0)
def testRepr(self):
self.assertEqual(str(self.constraint), self.constraint_repr)
def testValidate(self):
parameters = {"x": 4, "z": 3}
with self.assertRaises(ValueError):
self.constraint.check(parameters)
# check slack constraint
parameters = {"x": 4, "y": 1}
self.assertTrue(self.constraint.check(parameters))
# check tight constraint (within numerical tolerance)
parameters = {"x": 4, "y": (2 - 0.5e-8) / 3}
self.assertTrue(self.constraint.check(parameters))
# check violated constraint
parameters = {"x": 4, "y": (2 - 0.5e-6) / 3}
self.assertFalse(self.constraint.check(parameters))
def testClone(self):
constraint_clone = self.constraint.clone()
self.assertEqual(self.constraint.bound, constraint_clone.bound)
constraint_clone._bound = 7.0
self.assertNotEqual(self.constraint.bound, constraint_clone.bound)
def testCloneWithTransformedParameters(self):
constraint_clone = self.constraint.clone_with_transformed_parameters(
transformed_parameters={})
self.assertEqual(self.constraint.bound, constraint_clone.bound)
constraint_clone._bound = 7.0
self.assertNotEqual(self.constraint.bound, constraint_clone.bound)
def testSortable(self):
constraint1 = ParameterConstraint(constraint_dict={
"x": 2.0,
"y": -3.0
},
bound=1.0)
constraint2 = ParameterConstraint(constraint_dict={
"y": -3.0,
"x": 2.0
},
bound=6.0)
self.assertTrue(constraint1 < constraint2)
