def test_is_fixed(self):
f = functional_value()
self.assertEqual(f.is_fixed(), True)
self.assertEqual(is_fixed(f), True)
f.fn = lambda: 2
self.assertEqual(f.is_fixed(), True)
self.assertEqual(is_fixed(f), True)
def test_call(self):
f = functional_value()
self.assertEqual(f(), None)
self.assertIs(f.fn, None)
f.fn = lambda: variable(value=1)
self.assertIsNot(f.fn, None)
# the function did not return numeric data
# (always causes an exception)
with self.assertRaises(TypeError):
f(exception=False)
with self.assertRaises(TypeError):
f(exception=True)
with self.assertRaises(TypeError):
f()
f.fn = lambda: None
self.assertIsNot(f.fn, None)
# the function did not return numeric data
# (always causes an exception)
with self.assertRaises(TypeError):
f(exception=False)
with self.assertRaises(TypeError):
f(exception=True)
with self.assertRaises(TypeError):
f()
def value_error():
raise ValueError()
f.fn = value_error
self.assertIsNot(f.fn, None)
self.assertEqual(f(exception=False), None)
with self.assertRaises(ValueError):
f(exception=True)
with self.assertRaises(ValueError):
f()
def test_is_constant(self):
f = functional_value()
self.assertEqual(f.is_constant(), False)
self.assertEqual(is_constant(f), False)
f.fn = lambda: 2
self.assertEqual(f.is_constant(), False)
self.assertEqual(is_constant(f), False)
def test_potentially_variable(self):
f = functional_value()
self.assertEqual(f.is_potentially_variable(), False)
self.assertEqual(is_potentially_variable(f), False)
f.fn = lambda: 2
self.assertEqual(f.is_potentially_variable(), False)
self.assertEqual(is_potentially_variable(f), False)
def test_is_constant(self):
f = functional_value()
self.assertEqual(f.is_constant(), False)
self.assertEqual(is_constant(f), False)
f.fn = lambda: 2
self.assertEqual(f.is_constant(), False)
self.assertEqual(is_constant(f), False)
def test_is_fixed(self):
f = functional_value()
self.assertEqual(f.is_fixed(), True)
self.assertEqual(is_fixed(f), True)
f.fn = lambda: 2
self.assertEqual(f.is_fixed(), True)
self.assertEqual(is_fixed(f), True)
def test_call(self):
f = functional_value()
self.assertEqual(f(), None)
self.assertIs(f.fn, None)
f.fn = lambda: variable(value=1)
self.assertIsNot(f.fn, None)
# the function did not return numeric data
# (always causes an exception)
with self.assertRaises(TypeError):
f(exception=False)
with self.assertRaises(TypeError):
f(exception=True)
with self.assertRaises(TypeError):
f()
f.fn = lambda: None
self.assertIsNot(f.fn, None)
# the function did not return numeric data
# (always causes an exception)
with self.assertRaises(TypeError):
f(exception=False)
with self.assertRaises(TypeError):
f(exception=True)
with self.assertRaises(TypeError):
f()
def value_error():
raise ValueError()
f.fn = value_error
self.assertIsNot(f.fn, None)
self.assertEqual(f(exception=False), None)
with self.assertRaises(ValueError):
f(exception=True)
with self.assertRaises(ValueError):
f()
def test_potentially_variable(self):
f = functional_value()
self.assertEqual(f.is_potentially_variable(), False)
self.assertEqual(is_potentially_variable(f), False)
f.fn = lambda: 2
self.assertEqual(f.is_potentially_variable(), False)
self.assertEqual(is_potentially_variable(f), False)
def test_init(self):
f = functional_value()
self.assertTrue(f.parent is None)
self.assertEqual(f.ctype, IParameter)
self.assertEqual(f.fn, None)
self.assertEqual(f(), None)
x = [1, 2]
f.fn = lambda: max(x)
self.assertEqual(f(), 2)
x[0] = 3
self.assertEqual(f(), 3)
def test_init(self):
f = functional_value()
self.assertTrue(f.parent is None)
self.assertEqual(f.ctype, IParameter)
self.assertEqual(f.fn, None)
self.assertEqual(f(), None)
x = [1,2]
f.fn = lambda: max(x)
self.assertEqual(f(), 2)
x[0] = 3
self.assertEqual(f(), 3)
def test_polynomial_degree(self):
f = functional_value()
self.assertEqual(f.polynomial_degree(), 0)
self.assertEqual((f**2).polynomial_degree(), 0)
self.assertIs(f.fn, None)
with self.assertRaises(ValueError):
(f**2)()
f.fn = lambda: 2
self.assertEqual(f.polynomial_degree(), 0)
self.assertEqual((f**2).polynomial_degree(), 0)
self.assertEqual(f(), 2)
self.assertEqual((f**2)(), 4)
def test_polynomial_degree(self):
f = functional_value()
self.assertEqual(f.polynomial_degree(), 0)
self.assertEqual((f**2).polynomial_degree(), 0)
self.assertIs(f.fn, None)
with self.assertRaises(ValueError):
(f**2)()
f.fn = lambda: 2
self.assertEqual(f.polynomial_degree(), 0)
self.assertEqual((f**2).polynomial_degree(), 0)
self.assertEqual(f(), 2)
self.assertEqual((f**2)(), 4)
def test_pickle(self):
f = functional_value()
self.assertIs(f.fn, None)
self.assertIs(f.parent, None)
fup = pickle.loads(pickle.dumps(f))
self.assertIs(fup.fn, None)
self.assertIs(fup.parent, None)
b = block()
b.f = f
self.assertIs(f.parent, b)
bup = pickle.loads(pickle.dumps(b))
fup = bup.f
self.assertIs(fup.fn, None)
self.assertIs(fup.parent, bup)
def test_pprint(self):
# Not really testing what the output is, just that
# an error does not occur. The pprint functionality
# is still in the early stages.
f = functional_value()
pprint(f)
b = block()
b.f = f
pprint(f)
pprint(b)
m = block()
m.b = b
pprint(f)
pprint(b)
pprint(m)
def test_pickle(self):
f = functional_value()
self.assertIs(f.fn, None)
self.assertIs(f.parent, None)
fup = pickle.loads(
pickle.dumps(f))
self.assertIs(fup.fn, None)
self.assertIs(fup.parent, None)
b = block()
b.f = f
self.assertIs(f.parent, b)
bup = pickle.loads(
pickle.dumps(b))
fup = bup.f
self.assertIs(fup.fn, None)
self.assertIs(fup.parent, bup)
def test_pprint(self):
import pyomo.kernel
# Not really testing what the output is, just that
# an error does not occur. The pprint functionality
# is still in the early stages.
f = functional_value()
pyomo.kernel.pprint(f)
b = block()
b.f = f
pyomo.kernel.pprint(f)
pyomo.kernel.pprint(b)
m = block()
m.b = b
pyomo.kernel.pprint(f)
pyomo.kernel.pprint(b)
pyomo.kernel.pprint(m)
def test_dill(self):
p = parameter(1)
f = functional_value(lambda: p())
self.assertEqual(f(), 1)
fup = dill.loads(dill.dumps(f))
p.value = 2
self.assertEqual(f(), 2)
self.assertEqual(fup(), 1)
b = block()
b.p = p
b.f = f
self.assertEqual(b.f(), 2)
bup = dill.loads(dill.dumps(b))
fup = bup.f
b.p.value = 4
self.assertEqual(b.f(), 4)
self.assertEqual(bup.f(), 2)
bup.p.value = 4
self.assertEqual(bup.f(), 4)
def test_dill(self):
p = parameter(1)
f = functional_value(lambda: p())
self.assertEqual(f(), 1)
fup = dill.loads(
dill.dumps(f))
p.value = 2
self.assertEqual(f(), 2)
self.assertEqual(fup(), 1)
b = block()
b.p = p
b.f = f
self.assertEqual(b.f(), 2)
bup = dill.loads(
dill.dumps(b))
fup = bup.f
b.p.value = 4
self.assertEqual(b.f(), 4)
self.assertEqual(bup.f(), 2)
bup.p.value = 4
self.assertEqual(bup.f(), 4)
def test_is_parameter_type(self):
f = functional_value()
# GH: apparently is_parameter_type has something
# to do with mutability...
self.assertEqual(f.is_parameter_type(), False)
def test_is_expression_type(self):
f = functional_value()
self.assertEqual(f.is_expression_type(), False)
def test_type(self):
f = functional_value()
self.assertTrue(isinstance(f, ICategorizedObject))
self.assertTrue(isinstance(f, IParameter))
self.assertTrue(isinstance(f, NumericValue))
def test_is_expression_type(self):
f = functional_value()
self.assertEqual(f.is_expression_type(), False)
def test_is_parameter_type(self):
f = functional_value()
# GH: apparently is_parameter_type has something
# to do with mutability...
self.assertEqual(f.is_parameter_type(), False)
def test_type(self):
f = functional_value()
self.assertTrue(isinstance(f, ICategorizedObject))
self.assertTrue(isinstance(f, IParameter))
self.assertTrue(isinstance(f, NumericValue))
def test_ctype(self):
f = functional_value()
self.assertIs(f.ctype, IParameter)
self.assertIs(type(f), functional_value)
self.assertIs(type(f)._ctype, IParameter)
def test_ctype(self):
f = functional_value()
self.assertIs(f.ctype, IParameter)
self.assertIs(type(f), functional_value)
self.assertIs(type(f)._ctype, IParameter)