def test_duplicate_field_subclass_attribute_3(self):
with self.assertRaisesRegexp(KeyError, "Redefinition of field"):
metamodel.MetaModel(
'root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'Attribute(of=el, name="duplicate")\n'
'subel = Element(of=root, name="SubTest", extends=el)\n'
'Attribute(of=subel, name="duplicate")\n')
def test_unsatisfiable_self_association_constraint(self):
with self.assertRaisesRegexp(AttributeError,
"Self-associations must be optional"):
metamodel.MetaModel(
'root = MetaModel()\n'
'el = el2 = Element(of=root, name="Test")\n'
'Association(parent=el, child=el2, parentname="a", childname="b", optional=False)\n'
)
def test_association_limit_as_string(self):
with self.assertRaisesRegexp(AttributeError,
"Limit '.*' must be a positive integer"):
metamodel.MetaModel(
'root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'el2 = Element(of=root, name="Test2")\n'
'Association(parent=el, child=el2, parentname="a", childname="b", limit="2")\n'
)
def test_underscore_field_child_list(self):
with self.assertRaisesRegexp(
AttributeError,
"Association child names can not start with an underscore"):
metamodel.MetaModel(
'root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'Association(parent=el, child=el, parentname="good", childname="_wrong", optional=True)\n'
)
def test_duplicate_field_self_reference(self):
with self.assertRaisesRegexp(
AttributeError,
"Can't use the same names when defining a self-association"):
metamodel.MetaModel(
'root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'Association(parent=el, child=el, parentname="duplicate", childname="duplicate", optional=True)\n'
)
def test_duplicate_field_childlist(self):
with self.assertRaisesRegexp(KeyError, "Redefinition of field"):
metamodel.MetaModel(
'root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'el2 = Element(of=root, name="Test2")\n'
'Association(parent=el, child=el2, parentname="dummy1", childname="duplicate")\n'
'Association(parent=el, child=el2, parentname="dummy2", childname="duplicate")\n'
)
def test_unsatisfiable_cyclic_association_constraint(self):
with self.assertRaisesRegexp(
AttributeError, "Required associations can not be cyclic"):
metamodel.MetaModel(
'root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'el2 = Element(of=root, name="Test2")\n'
'Association(parent=el, child=el2, parentname="a", childname="b", optional=False)\n'
'Association(parent=el2, child=el, parentname="c", childname="d", optional=False)\n'
)
def setUp(self):
self.instance = metamodel.MetaModel(
'root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'ab = Element(of=root, name="Abstract", extends=el, abstract=True)\n'
'Element(of=root, name="SubTest", extends=ab)\n'
'el2 = Element(of=root, name="Test2")\n'
'Element(of=root, name="SubTest2", extends=el2)\n'
'Attribute(of=el, name="attr")\n'
'Association(parent=el, child=el2, parentname="a", childname="a", limit=2)\n'
'Association(parent=el, child=el2, parentname="b", childname="b", optional=True)\n'
).instance()
def test_mof(self):
mof = metamodel.load("mof.m3")
modeldesc = str(mof).split("\n")
self.assertTrue(" Element extends (optional)" in modeldesc)
self.assertTrue(" Element MetaModel" in modeldesc)
self.assertTrue(" <attribute> limit" in modeldesc)
net = mof.instance().load("petrinets.m2")
repr(net)
mofi = mof.instance().load("mof.m3")
mofdesc = repr(mofi)
mof2 = metamodel.MetaModel(mofdesc)
mofi2 = mof2.instance().parse(mofdesc)
def test_keyword_attribute(self):
with self.assertRaisesRegexp(SyntaxError,
"Python keywords are not allowed"):
metamodel.MetaModel('root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'Attribute(of=el, name="import")\n')
def test_duplicate_element(self):
with self.assertRaisesRegexp(KeyError, "Redefinition of Element"):
metamodel.MetaModel('root = MetaModel()\n'
'Element(of=root, name="Duplicate")\n'
'Element(of=root, name="Duplicate")\n')
def test_underscore_field_attribute(self):
with self.assertRaisesRegexp(
AttributeError, "Attributes can not start with an underscore"):
metamodel.MetaModel('root = MetaModel()\n'
'el = Element(of=root, name="Test")\n'
'Attribute(of=el, name="_duplicate")\n')