def test_initialization(self):
"""No dimension on initialization should raise an exception."""
with self.assertRaises(ModelError):
Hierarchy("default", [])
with self.assertRaisesRegex(ModelInconsistencyError, "not be empty"):
Hierarchy("default", [])
with self.assertRaisesRegex(ModelInconsistencyError, "as strings"):
Hierarchy("default", ["iamastring"])
def setUp(self):
self.levels = [
Level("year", attributes=["year"]),
Level("month", attributes=["month", "month_name", "month_sname"]),
Level("day", attributes=["day"]),
Level("week", attributes=["week"])
]
self.level_names = [level.name for level in self.levels]
self.dimension = Dimension("date", levels=self.levels)
levels = [self.levels[0], self.levels[1], self.levels[2]]
self.hierarchy = Hierarchy("default", levels)
def setUp(self):
self.levels = [
Level("year", attributes=["year"]),
Level("month",
attributes=["month", "month_name", "month_sname"]),
Level("day", attributes=["day"]),
Level("week", attributes=["week"])
]
self.level_names = [level.name for level in self.levels]
self.dimension = Dimension("date", levels=self.levels)
levels = [self.levels[0], self.levels[1], self.levels[2]]
self.hierarchy = Hierarchy("default",
levels)
class HierarchyTestCase(unittest.TestCase):
def setUp(self):
self.levels = [
Level("year", attributes=["year"]),
Level("month", attributes=["month", "month_name", "month_sname"]),
Level("day", attributes=["day"]),
Level("week", attributes=["week"])
]
self.level_names = [level.name for level in self.levels]
self.dimension = Dimension("date", levels=self.levels)
levels = [self.levels[0], self.levels[1], self.levels[2]]
self.hierarchy = Hierarchy("default", levels)
def test_initialization(self):
"""No dimension on initialization should raise an exception."""
with self.assertRaises(ModelError):
Hierarchy("default", [])
with self.assertRaisesRegex(ModelInconsistencyError, "not be empty"):
Hierarchy("default", [])
with self.assertRaisesRegex(ModelInconsistencyError, "as strings"):
Hierarchy("default", ["iamastring"])
def test_operators(self):
"""Hierarchy operators len(), hier[] and level in hier"""
# __len__
self.assertEqual(3, len(self.hierarchy))
# __getitem__ by name
self.assertEqual(self.levels[1], self.hierarchy[1])
# __contains__ by name or level
self.assertTrue(self.levels[1] in self.hierarchy)
self.assertTrue("year" in self.hierarchy)
self.assertFalse("flower" in self.hierarchy)
def test_levels_for(self):
"""Levels for depth"""
levels = self.hierarchy.levels_for_depth(0)
self.assertEqual([], levels)
levels = self.hierarchy.levels_for_depth(1)
self.assertEqual([self.levels[0]], levels)
self.assertRaises(HierarchyError, self.hierarchy.levels_for_depth, 4)
def test_level_ordering(self):
"""Ordering of levels (next, previous)"""
self.assertEqual(self.levels[0], self.hierarchy.next_level(None))
self.assertEqual(self.levels[1],
self.hierarchy.next_level(self.levels[0]))
self.assertEqual(self.levels[2],
self.hierarchy.next_level(self.levels[1]))
self.assertEqual(None, self.hierarchy.next_level(self.levels[2]))
self.assertEqual(None, self.hierarchy.previous_level(None))
self.assertEqual(None, self.hierarchy.previous_level(self.levels[0]))
self.assertEqual(self.levels[0],
self.hierarchy.previous_level(self.levels[1]))
self.assertEqual(self.levels[1],
self.hierarchy.previous_level(self.levels[2]))
self.assertEqual(0, self.hierarchy.level_index(self.levels[0]))
self.assertEqual(1, self.hierarchy.level_index(self.levels[1]))
self.assertEqual(2, self.hierarchy.level_index(self.levels[2]))
self.assertRaises(HierarchyError, self.hierarchy.level_index,
self.levels[3])
def test_rollup(self):
"""Path roll-up for hierarchy"""
path = [2010, 1, 5]
self.assertEqual([2010, 1], self.hierarchy.rollup(path))
self.assertEqual([2010, 1], self.hierarchy.rollup(path, "month"))
self.assertEqual([2010], self.hierarchy.rollup(path, "year"))
self.assertRaises(HierarchyError, self.hierarchy.rollup, [2010],
"month")
self.assertRaises(HierarchyError, self.hierarchy.rollup, [2010],
"unknown")
def test_base_path(self):
"""Test base paths"""
self.assertTrue(self.hierarchy.path_is_base([2012, 1, 5]))
self.assertFalse(self.hierarchy.path_is_base([2012, 1]))
self.assertFalse(self.hierarchy.path_is_base([2012]))
self.assertFalse(self.hierarchy.path_is_base([]))
def test_attributes(self):
"""Collecting attributes and keys"""
keys = [a.name for a in self.hierarchy.key_attributes()]
self.assertEqual(["year", "month", "day"], keys)
attrs = [a.name for a in self.hierarchy.all_attributes]
self.assertEqual(["year", "month", "month_name", "month_sname", "day"],
attrs)
def test_copy(self):
class DummyDimension(object):
def __init__(self):
self.name = "dummy"
self.is_flat = False
left = self.hierarchy.levels[0].attributes[0]
left.dimension = DummyDimension()
clone = copy.deepcopy(self.hierarchy)
left = self.hierarchy.levels[0].attributes[0]
right = clone.levels[0].attributes[0]
# Make sure that the dimension is not copied
self.assertIsNotNone(right.dimension)
self.assertIs(left.dimension, right.dimension)
self.assertEqual(self.hierarchy.levels, clone.levels)
self.assertEqual(self.hierarchy, clone)
class HierarchyTestCase(unittest.TestCase):
def setUp(self):
self.levels = [
Level("year", attributes=["year"]),
Level("month",
attributes=["month", "month_name", "month_sname"]),
Level("day", attributes=["day"]),
Level("week", attributes=["week"])
]
self.level_names = [level.name for level in self.levels]
self.dimension = Dimension("date", levels=self.levels)
levels = [self.levels[0], self.levels[1], self.levels[2]]
self.hierarchy = Hierarchy("default",
levels)
def test_initialization(self):
"""No dimension on initialization should raise an exception."""
with self.assertRaises(ModelError):
Hierarchy("default", [])
with self.assertRaisesRegex(ModelInconsistencyError, "not be empty"):
Hierarchy("default", [])
with self.assertRaisesRegex(ModelInconsistencyError, "as strings"):
Hierarchy("default", ["iamastring"])
def test_operators(self):
"""Hierarchy operators len(), hier[] and level in hier"""
# __len__
self.assertEqual(3, len(self.hierarchy))
# __getitem__ by name
self.assertEqual(self.levels[1], self.hierarchy[1])
# __contains__ by name or level
self.assertTrue(self.levels[1] in self.hierarchy)
self.assertTrue("year" in self.hierarchy)
self.assertFalse("flower" in self.hierarchy)
def test_levels_for(self):
"""Levels for depth"""
levels = self.hierarchy.levels_for_depth(0)
self.assertEqual([], levels)
levels = self.hierarchy.levels_for_depth(1)
self.assertEqual([self.levels[0]], levels)
self.assertRaises(HierarchyError, self.hierarchy.levels_for_depth, 4)
def test_level_ordering(self):
"""Ordering of levels (next, previous)"""
self.assertEqual(self.levels[0], self.hierarchy.next_level(None))
self.assertEqual(self.levels[1],
self.hierarchy.next_level(self.levels[0]))
self.assertEqual(self.levels[2],
self.hierarchy.next_level(self.levels[1]))
self.assertEqual(None, self.hierarchy.next_level(self.levels[2]))
self.assertEqual(None, self.hierarchy.previous_level(None))
self.assertEqual(None, self.hierarchy.previous_level(self.levels[0]))
self.assertEqual(self.levels[0],
self.hierarchy.previous_level(self.levels[1]))
self.assertEqual(self.levels[1],
self.hierarchy.previous_level(self.levels[2]))
self.assertEqual(0, self.hierarchy.level_index(self.levels[0]))
self.assertEqual(1, self.hierarchy.level_index(self.levels[1]))
self.assertEqual(2, self.hierarchy.level_index(self.levels[2]))
self.assertRaises(HierarchyError, self.hierarchy.level_index,
self.levels[3])
def test_rollup(self):
"""Path roll-up for hierarchy"""
path = [2010, 1, 5]
self.assertEqual([2010, 1], self.hierarchy.rollup(path))
self.assertEqual([2010, 1], self.hierarchy.rollup(path, "month"))
self.assertEqual([2010], self.hierarchy.rollup(path, "year"))
self.assertRaises(HierarchyError, self.hierarchy.rollup,
[2010], "month")
self.assertRaises(HierarchyError, self.hierarchy.rollup,
[2010], "unknown")
def test_base_path(self):
"""Test base paths"""
self.assertTrue(self.hierarchy.path_is_base([2012, 1, 5]))
self.assertFalse(self.hierarchy.path_is_base([2012, 1]))
self.assertFalse(self.hierarchy.path_is_base([2012]))
self.assertFalse(self.hierarchy.path_is_base([]))
def test_attributes(self):
"""Collecting attributes and keys"""
keys = [a.name for a in self.hierarchy.key_attributes()]
self.assertEqual(["year", "month", "day"], keys)
attrs = [a.name for a in self.hierarchy.all_attributes]
self.assertEqual(["year", "month", "month_name", "month_sname", "day"],
attrs)
def test_copy(self):
class DummyDimension(object):
def __init__(self):
self.name = "dummy"
self.is_flat = False
left = self.hierarchy.levels[0].attributes[0]
left.dimension = DummyDimension()
clone = copy.deepcopy(self.hierarchy)
left = self.hierarchy.levels[0].attributes[0]
right = clone.levels[0].attributes[0]
# Make sure that the dimension is not copied
self.assertIsNotNone(right.dimension)
self.assertIs(left.dimension, right.dimension)
self.assertEqual(self.hierarchy.levels, clone.levels)
self.assertEqual(self.hierarchy, clone)