def test_simplify(self):
"""Simplification of attribute reference (with and without details)"""
level = Level("name", attributes=[Attribute("name")])
dim = Dimension("group", levels=[level])
attr = dim.attribute("name")
self.assertEqual("name", attr.name)
# Simplified -> dimension name
self.assertEqual("group.name", str(attr))
self.assertEqual("group.name", attr.ref)
level = Level("name", attributes=[Attribute("key"), Attribute("name")])
dim = Dimension("group", levels=[level])
attr = dim.attribute("name")
self.assertEqual("name", attr.name)
self.assertEqual("group.name", str(attr))
self.assertEqual("group.name", attr.ref)
def test_create_attribute(self):
"""Coalesce attribute object (string or Attribute instance)"""
level = Level("name", attributes=[Attribute("key"), Attribute("name")])
dim = Dimension("group", levels=[level])
obj = Attribute.from_metadata("name")
self.assertIsInstance(obj, Attribute)
self.assertEqual("name", obj.name)
obj = Attribute.from_metadata({"name": "key"})
obj.dimension = dim
self.assertIsInstance(obj, Attribute)
self.assertEqual("key", obj.name)
self.assertEqual(dim, obj.dimension)
attr = dim.attribute("key")
obj = Attribute.from_metadata(attr)
obj.dimension = dim
self.assertIsInstance(obj, Attribute)
self.assertEqual("key", obj.name)
self.assertEqual(obj, attr)
