def test_link_hierarchies(self):
dims = dict((d.name, d) for d in self.dimensions)
links = [{"name": "date"}]
cube = Cube("contracts",
dimension_links=links,
measures=self.measures)
cube.link_dimensions(dims)
dim = cube.dimension("date")
self.assertEqual(len(dim.hierarchies), 2)
self.assertEqual(dim.hierarchy().name, "ymd")
links = [{"name": "date", "nonadditive":None}]
cube = Cube("contracts",
dimension_links=links,
measures=self.measures)
cube.link_dimensions(dims)
dim = cube.dimension("date")
self.assertEqual(len(dim.hierarchies), 2)
self.assertEqual(dim.hierarchy().name, "ymd")
links = [{"name": "date", "hierarchies": ["ym"]}]
cube = Cube("contracts",
dimension_links=links,
measures=self.measures)
cube.link_dimensions(dims)
dim = cube.dimension("date")
self.assertEqual(len(dim.hierarchies), 1)
self.assertEqual(dim.hierarchy().name, "ym")
def test_links(self):
# TODO: test link alias!
dims = dict((d.name, d) for d in self.dimensions)
links = [{"name": "date"}]
cube = Cube("contracts", dimension_links=links, measures=self.measures)
cube.link_dimensions(dims)
self.assertEqual(len(cube.dimensions), 1)
dim = cube.dimension("date")
self.assertEqual(len(dim.hierarchies), 2)
links = [{"name": "date"}, "product", "flag"]
cube = Cube("contracts", dimension_links=links, measures=self.measures)
cube.link_dimensions(dims)
self.assertEqual(len(cube.dimensions), 3)
self.assertIsInstance(cube.dimension("flag"), Dimension)
def setUp(self):
a = [DIM_DATE_DESC, DIM_PRODUCT_DESC, DIM_FLAG_DESC]
self.measures = create_list_of(Measure, ["amount", "discount"])
self.details = create_list_of(Attribute, ["detail"])
self.dimensions = [Dimension.from_metadata(desc) for desc in a]
self.cube = Cube("contracts",
dimensions=self.dimensions,
measures=self.measures,
details=self.details)
