def test_osil_read():
filename = current_dir / 'osil' / 'example1.xml'
problem = read_osil(str(filename))
variables = list(model_variables(problem))
constraints = list(model_constraints(problem))
objectives = list(model_objectives(problem))
assert len(variables) == 35
assert len(constraints) == 18
assert len(objectives) == 1
m = problem
e9_body_expected = m.x33 - (m.x32*pe.log(m.x22)/(1.0-m.x32))
e9_body_actual = m.e9.body
assert sympyify_expression(e9_body_expected - e9_body_actual)[1] == 0
e11_body_expected = m.x35 - ((m.x33 - m.x34*(m.x32+1.0))/(m.x32+3.0)/(1.0-m.x32)**2/m.x34)
e11_body_actual = m.e11.body
assert sympyify_expression(e11_body_expected - e11_body_actual)[1] == 0
e14_body_expected = m.x26 - m.x22 * m.x28
e14_body_actual = m.e14.body
assert sympyify_expression(e14_body_expected - e14_body_actual)[1] == 0
e15_body_expected = m.x27 - m.x22 * m.x29
e15_body_actual = m.e15.body
assert sympyify_expression(e15_body_expected - e15_body_actual)[1] == 0
def test_osil_read():
filename = current_dir / 'osil' / 'example1.xml'
problem = read_osil(str(filename))
variables = list(model_variables(problem))
constraints = list(model_constraints(problem))
objectives = list(model_objectives(problem))
assert len(variables) == 35
assert len(constraints) == 18
assert len(objectives) == 1
def test_binary_variables(self):
m = aml.ConcreteModel()
# 10 binary variables
m.b = aml.Var(range(10), domain=aml.Binary)
dag = ProblemDag()
factory = ComponentFactory(dag)
count = 0
for omo_var in model_variables(m):
new_var = factory.variable(omo_var)
assert new_var.name.startswith('b')
assert new_var.lb == 0
assert new_var.ub == 1
assert new_var.is_binary()
count += 1
assert count == 10
def test_integer_variables(self):
m = aml.ConcreteModel()
# 5 integer variables in [-10, 5]
m.y = aml.Var(range(5), bounds=(-10, 5), domain=aml.Integers)
dag = ProblemDag()
factory = ComponentFactory(dag)
count = 0
for omo_var in model_variables(m):
new_var = factory.variable(omo_var)
assert new_var.name.startswith('y')
assert new_var.lb == -10
assert new_var.ub == 5
assert new_var.is_integer()
count += 1
assert count == 5
def test_continuous_variables(self):
m = aml.ConcreteModel()
# 10 continuous variables in [-inf, inf]
m.x = aml.Var(range(10))
dag = ProblemDag()
factory = ComponentFactory(dag)
count = 0
for omo_var in model_variables(m):
new_var = factory.variable(omo_var)
assert new_var.name.startswith('x')
assert new_var.name == omo_var.name
assert new_var.lb is None
assert new_var.ub is None
assert not new_var.is_integer()
assert not new_var.is_binary()
count += 1
assert count == 10