def __init__(self, f, input=None, output=None, bound='eq'):
super(TransformedPiecewiseLinearFunctionND, self).__init__()
assert isinstance(f, PiecewiseLinearFunctionND)
if bound not in ('lb', 'ub', 'eq'):
raise ValueError("Invalid bound type %r. Must be "
"one of: ['lb','ub','eq']" % (bound))
self._bound = bound
self._f = f
_, ndim = f._tri.points.shape
if input is None:
input = [None] * ndim
self._input = expression_tuple(
expression(input[i]) for i in range(ndim))
self._output = expression(output)
def test_arg(self):
e = expression()
self.assertEqual(e.arg(0), None)
e.expr = 1
self.assertEqual(e.arg(0), 1)
with self.assertRaises(KeyError):
e.arg(1)
def __init__(self,
f,
input=None,
output=None,
bound='eq',
validate=True,
**kwds):
super(TransformedPiecewiseLinearFunction, self).__init__()
assert isinstance(f, PiecewiseLinearFunction)
if bound not in ('lb', 'ub', 'eq'):
raise ValueError("Invalid bound type %r. Must be "
"one of: ['lb','ub','eq']" % (bound))
self._bound = bound
self._f = f
self._input = expression(input)
self._output = expression(output)
if validate:
self.validate(**kwds)
def test_init_NumericValue(self):
v = variable()
p = parameter()
e = expression()
d = data_expression()
o = objective()
for obj in (v, v + 1, v**2, p, p + 1, p**2, e, e + 1, e**2, d, d + 1,
d**2, o, o + 1, o**2):
self.assertTrue(isinstance(noclone(obj), NumericValue))
self.assertTrue(isinstance(noclone(obj), IIdentityExpression))
self.assertTrue(isinstance(noclone(obj), noclone))
self.assertIs(noclone(obj).expr, obj)
def testis_potentially_variable(self):
e = noclone(variable())
self.assertEqual(e.is_potentially_variable(), True)
self.assertEqual(potentially_variable(e), True)
e = noclone(parameter())
self.assertEqual(e.is_potentially_variable(), False)
self.assertEqual(potentially_variable(e), False)
e = noclone(expression())
self.assertEqual(e.is_potentially_variable(), True)
self.assertEqual(potentially_variable(e), True)
e = noclone(data_expression())
self.assertEqual(e.is_potentially_variable(), False)
self.assertEqual(potentially_variable(e), False)
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.
v = variable()
e = noclone(v**2)
pyomo.core.kernel.pprint(e)
pyomo.core.kernel.pprint(e, indent=1)
b = block()
b.e = expression(expr=e)
pyomo.core.kernel.pprint(e)
pyomo.core.kernel.pprint(b)
m = block()
m.b = b
pyomo.core.kernel.pprint(e)
pyomo.core.kernel.pprint(b)
pyomo.core.kernel.pprint(m)
def test_bad_weights(self):
v = variable()
with self.assertRaises(ValueError):
s = sos([v], weights=[v])
v.fix(1.0)
with self.assertRaises(ValueError):
s = sos([v], weights=[v])
e = expression()
with self.assertRaises(ValueError):
s = sos([v], weights=[e])
de = data_expression()
s = sos([v], weights=[de])
p = parameter()
s = sos([v], weights=[p])
class Test_expression_list(_TestComponentListBase, unittest.TestCase):
_container_type = expression_list
_ctype_factory = lambda self: expression()
class Test_expression_tuple(_TestComponentTupleBase, unittest.TestCase):
_container_type = expression_tuple
_ctype_factory = lambda self: expression()
def test_ctype(self):
e = expression()
self.assertIs(e.ctype, Expression)
self.assertIs(type(e).ctype, Expression)
self.assertIs(expression.ctype, Expression)
def test_is_named_expression_type(self):
e = expression()
self.assertEqual(e.is_named_expression_type(), True)
def test_is_expression_type(self):
for obj in (variable(), parameter(), objective(), expression(),
data_expression()):
self.assertEqual(noclone(obj).is_expression_type(), True)
def test_nondata_bounds(self):
A = numpy.ones((5, 4))
ctuple = matrix_constraint(A, rhs=1)
eL = expression()
eU = expression()
with self.assertRaises(ValueError):
ctuple.rhs = eL
for c in ctuple:
with self.assertRaises(ValueError):
c.rhs = eL
self.assertTrue((ctuple.rhs == 1).all())
self.assertTrue((ctuple.equality == True).all())
vL = variable()
vU = variable()
with self.assertRaises(ValueError):
ctuple.rhs = vL
for c in ctuple:
with self.assertRaises(ValueError):
c.rhs = vL
self.assertTrue((ctuple.rhs == 1).all())
self.assertTrue((ctuple.equality == True).all())
vL.value = 1.0
vU.value = 1.0
with self.assertRaises(ValueError):
ctuple.rhs = vL
for c in ctuple:
with self.assertRaises(ValueError):
c.rhs = vL
self.assertTrue((ctuple.rhs == 1).all())
self.assertTrue((ctuple.equality == True).all())
# the fixed status of a variable
# does not change this restriction
vL.fixed = True
vU.fixed = True
with self.assertRaises(ValueError):
ctuple.rhs = vL
for c in ctuple:
with self.assertRaises(ValueError):
c.rhs = vL
self.assertTrue((ctuple.rhs == 1).all())
self.assertTrue((ctuple.equality == True).all())
p = parameter(value=0)
with self.assertRaises(ValueError):
ctuple.rhs = p
for c in ctuple:
with self.assertRaises(ValueError):
c.rhs = p
self.assertTrue((ctuple.rhs == 1).all())
self.assertTrue((ctuple.equality == True).all())
ctuple.equality = False
self.assertTrue((ctuple.lb == 1).all())
self.assertTrue((ctuple.ub == 1).all())
self.assertTrue((ctuple.equality == False).all())
eL = expression()
eU = expression()
with self.assertRaises(ValueError):
ctuple.lb = eL
with self.assertRaises(ValueError):
ctuple.ub = eU
for c in ctuple:
with self.assertRaises(ValueError):
c.lb = eL
with self.assertRaises(ValueError):
c.ub = eU
with self.assertRaises(ValueError):
c.bounds = (eL, eU)
self.assertTrue((ctuple.lb == 1).all())
self.assertTrue((ctuple.ub == 1).all())
self.assertTrue((ctuple.equality == False).all())
vL = variable()
vU = variable()
with self.assertRaises(ValueError):
ctuple.lb = vL
with self.assertRaises(ValueError):
ctuple.ub = vU
for c in ctuple:
with self.assertRaises(ValueError):
c.lb = vL
with self.assertRaises(ValueError):
c.ub = vU
with self.assertRaises(ValueError):
c.bounds = (vL, vU)
self.assertTrue((ctuple.lb == 1).all())
self.assertTrue((ctuple.ub == 1).all())
self.assertTrue((ctuple.equality == False).all())
vL.value = 1.0
vU.value = 1.0
with self.assertRaises(ValueError):
ctuple.lb = vL
with self.assertRaises(ValueError):
ctuple.ub = vU
for c in ctuple:
with self.assertRaises(ValueError):
c.lb = vL
with self.assertRaises(ValueError):
c.ub = vU
with self.assertRaises(ValueError):
c.bounds = (vL, vU)
self.assertTrue((ctuple.lb == 1).all())
self.assertTrue((ctuple.ub == 1).all())
self.assertTrue((ctuple.equality == False).all())
# the fixed status of a variable
# does not change this restriction
vL.fixed = True
vU.fixed = True
with self.assertRaises(ValueError):
ctuple.lb = vL
with self.assertRaises(ValueError):
ctuple.ub = vU
for c in ctuple:
with self.assertRaises(ValueError):
c.lb = vL
with self.assertRaises(ValueError):
c.ub = vU
with self.assertRaises(ValueError):
c.bounds = (vL, vU)
self.assertTrue((ctuple.lb == 1).all())
self.assertTrue((ctuple.ub == 1).all())
self.assertTrue((ctuple.equality == False).all())
p = parameter(value=0)
with self.assertRaises(ValueError):
ctuple.lb = p
with self.assertRaises(ValueError):
ctuple.ub = p
for c in ctuple:
with self.assertRaises(ValueError):
c.lb = p
with self.assertRaises(ValueError):
c.ub = p
with self.assertRaises(ValueError):
c.bounds = (p, p)
self.assertTrue((ctuple.lb == 1).all())
self.assertTrue((ctuple.ub == 1).all())
self.assertTrue((ctuple.equality == False).all())
class TestComponentSet(unittest.TestCase):
_components = [
variable(),
variable_dict(),
variable_list(),
constraint(),
constraint_dict(),
constraint_list(),
objective(),
objective_dict(),
objective_list(),
expression(),
expression_dict(),
expression_list(),
block(),
block_dict(),
block_list(),
suffix()
]
def test_pickle(self):
c = ComponentSet()
self.assertEqual(len(c), 0)
cup = pickle.loads(pickle.dumps(c))
self.assertIsNot(cup, c)
self.assertEqual(len(cup), 0)
v = variable()
c.add(v)
self.assertEqual(len(c), 1)
self.assertTrue(v in c)
cup = pickle.loads(pickle.dumps(c))
vup = cup.pop()
cup.add(vup)
self.assertIsNot(cup, c)
self.assertIsNot(vup, v)
self.assertEqual(len(cup), 1)
self.assertTrue(vup in cup)
self.assertEqual(vup.parent, None)
b = block()
V = b.V = variable_list()
b.V.append(v)
b.c = c
self.assertEqual(len(c), 1)
self.assertTrue(v in c)
self.assertIs(v.parent, b.V)
self.assertIs(V.parent, b)
self.assertIs(b.parent, None)
bup = pickle.loads(pickle.dumps(b))
Vup = bup.V
vup = Vup[0]
cup = bup.c
self.assertIsNot(cup, c)
self.assertIsNot(vup, v)
self.assertIsNot(Vup, V)
self.assertIsNot(bup, b)
self.assertEqual(len(cup), 1)
self.assertTrue(vup in cup)
self.assertIs(vup.parent, Vup)
self.assertIs(Vup.parent, bup)
self.assertIs(bup.parent, None)
self.assertEqual(len(c), 1)
self.assertTrue(v in c)
def test_init(self):
cset = ComponentSet()
cset = ComponentSet(self._components)
with self.assertRaises(TypeError):
cset = ComponentSet(*self._components)
def test_type(self):
cset = ComponentSet()
self.assertTrue(isinstance(cset, collections.Set))
self.assertTrue(isinstance(cset, collections.MutableSet))
self.assertTrue(issubclass(type(cset), collections.Set))
self.assertTrue(issubclass(type(cset), collections.MutableSet))
def test_str(self):
cset = ComponentSet()
self.assertEqual(str(cset), "ComponentSet([])")
cset.update(self._components)
str(cset)
def test_len(self):
cset = ComponentSet()
self.assertEqual(len(cset), 0)
cset.update(self._components)
self.assertEqual(len(cset), len(self._components))
cset = ComponentSet(self._components)
self.assertEqual(len(cset), len(self._components))
self.assertTrue(len(self._components) > 0)
def test_iter(self):
cset = ComponentSet()
self.assertEqual(list(iter(cset)), [])
cset.update(self._components)
ids_seen = set()
for c in cset:
ids_seen.add(id(c))
self.assertEqual(ids_seen, set(id(c) for c in self._components))
def set_add(self):
cset = ComponentSet()
self.assertEqual(len(cset), 0)
for i, c in enumerate(self._components):
self.assertTrue(c not in cset)
cset.add(c)
self.assertTrue(c in cset)
self.assertEqual(len(cset), i + 1)
self.assertEqual(len(cset), len(self._components))
for c in self._components:
self.assertTrue(c in cset)
cset.add(c)
self.assertTrue(c in cset)
self.assertEqual(len(cset), len(self._components))
def test_pop(self):
cset = ComponentSet()
self.assertEqual(len(cset), 0)
with self.assertRaises(KeyError):
cset.pop()
v = variable()
cset.add(v)
self.assertTrue(v in cset)
self.assertEqual(len(cset), 1)
v_ = cset.pop()
self.assertIs(v, v_)
self.assertTrue(v not in cset)
self.assertEqual(len(cset), 0)
def test_update(self):
cset = ComponentSet()
self.assertEqual(len(cset), 0)
cset.update(self._components)
self.assertEqual(len(cset), len(self._components))
for c in self._components:
self.assertTrue(c in cset)
def test_clear(self):
cset = ComponentSet()
self.assertEqual(len(cset), 0)
cset.update(self._components)
self.assertEqual(len(cset), len(self._components))
cset.clear()
self.assertEqual(len(cset), 0)
def test_remove(self):
cset = ComponentSet()
self.assertEqual(len(cset), 0)
cset.update(self._components)
self.assertEqual(len(cset), len(self._components))
for i, c in enumerate(self._components):
cset.remove(c)
self.assertEqual(len(cset), len(self._components) - (i + 1))
for c in self._components:
self.assertTrue(c not in cset)
with self.assertRaises(KeyError):
cset.remove(c)
def test_discard(self):
cset = ComponentSet()
self.assertEqual(len(cset), 0)
cset.update(self._components)
self.assertEqual(len(cset), len(self._components))
for i, c in enumerate(self._components):
cset.discard(c)
self.assertEqual(len(cset), len(self._components) - (i + 1))
for c in self._components:
self.assertTrue(c not in cset)
cset.discard(c)
def test_isdisjoint(self):
cset1 = ComponentSet()
cset2 = ComponentSet()
self.assertTrue(cset1.isdisjoint(cset2))
self.assertTrue(cset2.isdisjoint(cset1))
v = variable()
cset1.add(v)
self.assertTrue(cset1.isdisjoint(cset2))
self.assertTrue(cset2.isdisjoint(cset1))
cset2.add(v)
self.assertFalse(cset1.isdisjoint(cset2))
self.assertFalse(cset2.isdisjoint(cset1))
def test_misc_set_ops(self):
v1 = variable()
cset1 = ComponentSet([v1])
v2 = variable()
cset2 = ComponentSet([v2])
cset3 = ComponentSet([v1, v2])
empty = ComponentSet([])
self.assertEqual(cset1 | cset2, cset3)
self.assertEqual((cset1 | cset2) - cset3, empty)
self.assertEqual(cset1 ^ cset2, cset3)
self.assertEqual(cset1 ^ cset3, cset2)
self.assertEqual(cset2 ^ cset3, cset1)
self.assertEqual(cset1 & cset2, empty)
self.assertEqual(cset1 & cset3, cset1)
self.assertEqual(cset2 & cset3, cset2)
def test_eq(self):
cset1 = ComponentSet()
self.assertEqual(cset1, set())
self.assertTrue(cset1 == set())
self.assertNotEqual(cset1, list())
self.assertFalse(cset1 == list())
self.assertNotEqual(cset1, tuple())
self.assertFalse(cset1 == tuple())
self.assertNotEqual(cset1, dict())
self.assertFalse(cset1 == dict())
cset1.update(self._components)
self.assertNotEqual(cset1, set())
self.assertFalse(cset1 == set())
self.assertNotEqual(cset1, list())
self.assertFalse(cset1 == list())
self.assertNotEqual(cset1, tuple())
self.assertFalse(cset1 == tuple())
self.assertNotEqual(cset1, dict())
self.assertFalse(cset1 == dict())
self.assertTrue(cset1 == cset1)
self.assertEqual(cset1, cset1)
cset2 = ComponentSet(self._components)
self.assertTrue(cset2 == cset1)
self.assertFalse(cset2 != cset1)
self.assertEqual(cset2, cset1)
self.assertTrue(cset1 == cset2)
self.assertFalse(cset1 != cset2)
self.assertEqual(cset1, cset2)
cset2.remove(self._components[0])
self.assertFalse(cset2 == cset1)
self.assertTrue(cset2 != cset1)
self.assertNotEqual(cset2, cset1)
self.assertFalse(cset1 == cset2)
self.assertTrue(cset1 != cset2)
self.assertNotEqual(cset1, cset2)
class TestComponentMap(unittest.TestCase):
_components = [(variable(), "v"), (variable_dict(), "vdict"),
(variable_list(), "vlist"), (constraint(), "c"),
(constraint_dict(), "cdict"), (constraint_list(), "clist"),
(objective(), "o"), (objective_dict(), "odict"),
(objective_list(), "olist"), (expression(), "e"),
(expression_dict(), "edict"), (expression_list(), "elist"),
(block(), "b"), (block_dict(), "bdict"),
(block_list(), "blist"), (suffix(), "s")]
def test_pickle(self):
c = ComponentMap()
self.assertEqual(len(c), 0)
cup = pickle.loads(pickle.dumps(c))
self.assertIsNot(cup, c)
self.assertEqual(len(cup), 0)
v = variable()
c[v] = 1.0
self.assertEqual(len(c), 1)
self.assertEqual(c[v], 1.0)
cup = pickle.loads(pickle.dumps(c))
vup = list(cup.keys())[0]
self.assertIsNot(cup, c)
self.assertIsNot(vup, v)
self.assertEqual(len(cup), 1)
self.assertEqual(cup[vup], 1)
self.assertEqual(vup.parent, None)
b = block()
V = b.V = variable_list()
b.V.append(v)
b.c = c
self.assertEqual(len(c), 1)
self.assertEqual(c[v], 1.0)
self.assertIs(v.parent, b.V)
self.assertIs(V.parent, b)
self.assertIs(b.parent, None)
bup = pickle.loads(pickle.dumps(b))
Vup = bup.V
vup = Vup[0]
cup = bup.c
self.assertIsNot(cup, c)
self.assertIsNot(vup, v)
self.assertIsNot(Vup, V)
self.assertIsNot(bup, b)
self.assertEqual(len(cup), 1)
self.assertEqual(cup[vup], 1)
self.assertIs(vup.parent, Vup)
self.assertIs(Vup.parent, bup)
self.assertIs(bup.parent, None)
self.assertEqual(len(c), 1)
self.assertEqual(c[v], 1)
def test_init(self):
cmap = ComponentMap()
cmap = ComponentMap(self._components)
with self.assertRaises(TypeError):
cmap = ComponentMap(*self._components)
def test_type(self):
cmap = ComponentMap()
self.assertTrue(isinstance(cmap, collections.Mapping))
self.assertTrue(isinstance(cmap, collections.MutableMapping))
self.assertTrue(issubclass(type(cmap), collections.Mapping))
self.assertTrue(issubclass(type(cmap), collections.MutableMapping))
def test_str(self):
cmap = ComponentMap()
self.assertEqual(str(cmap), "ComponentMap({})")
cmap.update(self._components)
str(cmap)
def test_len(self):
cmap = ComponentMap()
self.assertEqual(len(cmap), 0)
cmap.update(self._components)
self.assertEqual(len(cmap), len(self._components))
cmap = ComponentMap(self._components)
self.assertEqual(len(cmap), len(self._components))
self.assertTrue(len(self._components) > 0)
def test_getsetdelitem(self):
cmap = ComponentMap()
for c, val in self._components:
self.assertTrue(c not in cmap)
for c, val in self._components:
cmap[c] = val
self.assertEqual(cmap[c], val)
self.assertEqual(cmap.get(c), val)
del cmap[c]
with self.assertRaises(KeyError):
cmap[c]
with self.assertRaises(KeyError):
del cmap[c]
self.assertEqual(cmap.get(c), None)
def test_iter(self):
cmap = ComponentMap()
self.assertEqual(list(iter(cmap)), [])
cmap.update(self._components)
ids_seen = set()
for c in cmap:
ids_seen.add(id(c))
self.assertEqual(ids_seen, set(id(c) for c, val in self._components))
def test_keys(self):
cmap = ComponentMap(self._components)
self.assertEqual(
sorted(cmap.keys(), key=id),
sorted(list(c for c, val in self._components), key=id))
def test_values(self):
cmap = ComponentMap(self._components)
self.assertEqual(sorted(cmap.values()),
sorted(list(val for c, val in self._components)))
def test_items(self):
cmap = ComponentMap(self._components)
for x in cmap.items():
self.assertEqual(type(x), tuple)
self.assertEqual(len(x), 2)
self.assertEqual(
sorted(cmap.items(), key=lambda _x: (id(_x[0]), _x[1])),
sorted(self._components, key=lambda _x: (id(_x[0]), _x[1])))
def test_update(self):
cmap = ComponentMap()
self.assertEqual(len(cmap), 0)
cmap.update(self._components)
self.assertEqual(len(cmap), len(self._components))
for c, val in self._components:
self.assertEqual(cmap[c], val)
def test_clear(self):
cmap = ComponentMap()
self.assertEqual(len(cmap), 0)
cmap.update(self._components)
self.assertEqual(len(cmap), len(self._components))
cmap.clear()
self.assertEqual(len(cmap), 0)
def test_setdefault(self):
cmap = ComponentMap()
for c, _ in self._components:
with self.assertRaises(KeyError):
cmap[c]
self.assertTrue(c not in cmap)
cmap.setdefault(c, []).append(1)
self.assertEqual(cmap[c], [1])
del cmap[c]
with self.assertRaises(KeyError):
cmap[c]
self.assertTrue(c not in cmap)
cmap[c] = []
cmap.setdefault(c, []).append(1)
self.assertEqual(cmap[c], [1])
def test_eq(self):
cmap1 = ComponentMap()
self.assertNotEqual(cmap1, set())
self.assertFalse(cmap1 == set())
self.assertNotEqual(cmap1, list())
self.assertFalse(cmap1 == list())
self.assertNotEqual(cmap1, tuple())
self.assertFalse(cmap1 == tuple())
self.assertEqual(cmap1, dict())
self.assertTrue(cmap1 == dict())
cmap1.update(self._components)
self.assertNotEqual(cmap1, set())
self.assertFalse(cmap1 == set())
self.assertNotEqual(cmap1, list())
self.assertFalse(cmap1 == list())
self.assertNotEqual(cmap1, tuple())
self.assertFalse(cmap1 == tuple())
self.assertNotEqual(cmap1, dict())
self.assertFalse(cmap1 == dict())
self.assertTrue(cmap1 == cmap1)
self.assertEqual(cmap1, cmap1)
cmap2 = ComponentMap(self._components)
self.assertTrue(cmap2 == cmap1)
self.assertFalse(cmap2 != cmap1)
self.assertEqual(cmap2, cmap1)
self.assertTrue(cmap1 == cmap2)
self.assertFalse(cmap1 != cmap2)
self.assertEqual(cmap1, cmap2)
del cmap2[self._components[0][0]]
self.assertFalse(cmap2 == cmap1)
self.assertTrue(cmap2 != cmap1)
self.assertNotEqual(cmap2, cmap1)
self.assertFalse(cmap1 == cmap2)
self.assertTrue(cmap1 != cmap2)
self.assertNotEqual(cmap1, cmap2)