def test_empty_singleton(self):
a = Objective()
a.construct()
#
# Even though we construct a SimpleObjective,
# if it is not initialized that means it is "empty"
# and we should encounter errors when trying to access the
# _ObjectiveData interface methods until we assign
# something to the objective.
#
self.assertEqual(a._constructed, True)
self.assertEqual(len(a), 0)
try:
a()
self.fail("Component is empty")
except ValueError:
pass
try:
a.expr
self.fail("Component is empty")
except ValueError:
pass
try:
a.sense
self.fail("Component is empty")
except ValueError:
pass
x = Var(initialize=1.0)
x.construct()
a.set_value(x + 1)
self.assertEqual(len(a), 1)
self.assertEqual(a(), 2)
self.assertEqual(a.expr(), 2)
self.assertEqual(a.sense, minimize)
def test_empty_singleton(self):
a = Constraint()
a.construct()
#
# Even though we construct a SimpleConstraint,
# if it is not initialized that means it is "empty"
# and we should encounter errors when trying to access the
# _ConstraintData interface methods until we assign
# something to the constraint.
#
self.assertEqual(a._constructed, True)
self.assertEqual(len(a), 0)
try:
a()
self.fail("Component is empty")
except ValueError:
pass
try:
a.body
self.fail("Component is empty")
except ValueError:
pass
try:
a.lower
self.fail("Component is empty")
except ValueError:
pass
try:
a.upper
self.fail("Component is empty")
except ValueError:
pass
try:
a.equality
self.fail("Component is empty")
except ValueError:
pass
try:
a.strict_lower
self.fail("Component is empty")
except ValueError:
pass
try:
a.strict_upper
self.fail("Component is empty")
except ValueError:
pass
x = Var(initialize=1.0)
x.construct()
a.set_value((0, x, 2))
self.assertEqual(len(a), 1)
self.assertEqual(a(), 1)
self.assertEqual(a.body(), 1)
self.assertEqual(a.lower(), 0)
self.assertEqual(a.upper(), 2)
self.assertEqual(a.equality, False)
self.assertEqual(a.strict_lower, False)
self.assertEqual(a.strict_upper, False)
def test_empty_singleton(self):
a = Constraint()
a.construct()
#
# Even though we construct a SimpleConstraint,
# if it is not initialized that means it is "empty"
# and we should encounter errors when trying to access the
# _ConstraintData interface methods until we assign
# something to the constraint.
#
self.assertEqual(a._constructed, True)
self.assertEqual(len(a), 0)
try:
a()
self.fail("Component is empty")
except ValueError:
pass
try:
a.body
self.fail("Component is empty")
except ValueError:
pass
try:
a.lower
self.fail("Component is empty")
except ValueError:
pass
try:
a.upper
self.fail("Component is empty")
except ValueError:
pass
try:
a.equality
self.fail("Component is empty")
except ValueError:
pass
try:
a.strict_lower
self.fail("Component is empty")
except ValueError:
pass
try:
a.strict_upper
self.fail("Component is empty")
except ValueError:
pass
x = Var(initialize=1.0)
x.construct()
a.set_value((0, x, 2))
self.assertEqual(len(a), 1)
self.assertEqual(a(), 1)
self.assertEqual(a.body(), 1)
self.assertEqual(a.lower(), 0)
self.assertEqual(a.upper(), 2)
self.assertEqual(a.equality, False)
self.assertEqual(a.strict_lower, False)
self.assertEqual(a.strict_upper, False)
def test_unconstructed_singleton(self):
a = Constraint()
self.assertEqual(a._constructed, False)
self.assertEqual(len(a), 0)
try:
a()
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.body
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.lower
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.upper
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.equality
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.strict_lower
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.strict_upper
self.fail("Component is unconstructed")
except ValueError:
pass
x = Var(initialize=1.0)
x.construct()
a.construct()
a.set_value((0, x, 2))
self.assertEqual(len(a), 1)
self.assertEqual(a(), 1)
self.assertEqual(a.body(), 1)
self.assertEqual(a.lower(), 0)
self.assertEqual(a.upper(), 2)
self.assertEqual(a.equality, False)
self.assertEqual(a.strict_lower, False)
self.assertEqual(a.strict_upper, False)
def test_unconstructed_singleton(self):
a = Constraint()
self.assertEqual(a._constructed, False)
self.assertEqual(len(a), 0)
try:
a()
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.body
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.lower
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.upper
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.equality
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.strict_lower
self.fail("Component is unconstructed")
except ValueError:
pass
try:
a.strict_upper
self.fail("Component is unconstructed")
except ValueError:
pass
x = Var(initialize=1.0)
x.construct()
a.construct()
a.set_value((0, x, 2))
self.assertEqual(len(a), 1)
self.assertEqual(a(), 1)
self.assertEqual(a.body(), 1)
self.assertEqual(a.lower(), 0)
self.assertEqual(a.upper(), 2)
self.assertEqual(a.equality, False)
self.assertEqual(a.strict_lower, False)
self.assertEqual(a.strict_upper, False)
def test_unconstructed_singleton(self):
a = Constraint()
self.assertEqual(a._constructed, False)
self.assertEqual(len(a), 0)
with self.assertRaisesRegex(
RuntimeError, "Cannot access .* on AbstractSimpleConstraint"
".*before it has been constructed"):
a()
with self.assertRaisesRegex(
RuntimeError, "Cannot access .* on AbstractSimpleConstraint"
".*before it has been constructed"):
a.body
with self.assertRaisesRegex(
RuntimeError, "Cannot access .* on AbstractSimpleConstraint"
".*before it has been constructed"):
a.lower
with self.assertRaisesRegex(
RuntimeError, "Cannot access .* on AbstractSimpleConstraint"
".*before it has been constructed"):
a.upper
with self.assertRaisesRegex(
RuntimeError, "Cannot access .* on AbstractSimpleConstraint"
".*before it has been constructed"):
a.equality
with self.assertRaisesRegex(
RuntimeError, "Cannot access .* on AbstractSimpleConstraint"
".*before it has been constructed"):
a.strict_lower
with self.assertRaisesRegex(
RuntimeError, "Cannot access .* on AbstractSimpleConstraint"
".*before it has been constructed"):
a.strict_upper
x = Var(initialize=1.0)
x.construct()
a.construct()
a.set_value((0, x, 2))
self.assertEqual(len(a), 1)
self.assertEqual(a(), 1)
self.assertEqual(a.body(), 1)
self.assertEqual(a.lower(), 0)
self.assertEqual(a.upper(), 2)
self.assertEqual(a.equality, False)
self.assertEqual(a.strict_lower, False)
self.assertEqual(a.strict_upper, False)