def test_list_dict_to_sparsedict(self):
"""Take a list of dicts and condense down to a single dict"""
input = [{(0,5):10,(10,10):2}, {(0,1):15}, {(0,3):7}]
exp = SparseDict(3,11)
exp.update({(0,5):10,(0,10):2,(1,1):15,(2,3):7})
obs = list_dict_to_sparsedict(input)
self.assertEqual(obs,exp)
def test_nparray_to_sparsedict(self):
"""Convert nparray to dict"""
input = array([[1,2,3,4],[-1,6,7,8],[9,10,11,12]])
exp = SparseDict(3,4)
exp.update({(0,0):1,(0,1):2,(0,2):3,(0,3):4,
(1,0):-1,(1,1):6,(1,2):7,(1,3):8,
(2,0):9,(2,1):10,(2,2):11,(2,3):12})
obs = nparray_to_sparsedict(input)
self.assertEqual(obs, exp)
def test_getRow(self):
"""Get a row"""
exp = SparseDict(1,3)
exp.update({(0,2):3})
obs = self.obj.getRow(1)
self.assertEqual(obs, exp)
exp = SparseDict(1,3)
obs = self.obj.getRow(4)
self.assertEqual(obs,exp)
self.assertRaises(IndexError, self.obj.getRow, -1)
def test_getCol(self):
"""Get a col"""
exp = SparseDict(6,1)
exp.update({(1,0):3,(5,0):6})
obs = self.obj.getCol(2)
self.assertEqual(obs,exp)
exp = SparseDict(6,1)
obs = self.obj.getCol(1)
self.assertEqual(obs,exp)
self.assertRaises(IndexError, self.obj.getCol, -1)
def test_get_size(self):
"""test getting the number of nonzero elements"""
self.assertEqual(self.obj.size, 2)
# Test with setting an element explicitly to zero.
sd = SparseDict(2,4)
sd.update({(0,1):3,(1,2):7,(0,0):0})
self.assertEqual(sd.size, 2)
# Test with an empty matrix.
sd = SparseDict(2,4)
self.assertEqual(sd.size, 0)
sd = SparseDict(0,0)
self.assertEqual(sd.size, 0)
class SparseDictTests(TestCase):
def setUp(self):
self.obj = SparseDict(6,3)
self.obj.update({(1,2):3,(5,2):6})
def test_copy(self):
"""copy thy self"""
obs = self.obj.copy()
self.assertEqual(obs, self.obj)
self.assertNotEqual(id(obs), id(self.obj))
obs[1,2] = 10
self.assertNotEqual(obs, self.obj)
obs[1,2] = 3
obs[0,0] = 5
self.assertNotEqual(obs, self.obj)
self.assertNotEqual(id(self.obj._index_rows), id(obs._index_rows))
self.assertNotEqual(id(self.obj._index_cols), id(obs._index_cols))
def test_setitem(self):
self.obj[(2,2)] = 10
exp = sorted([((1,2),3),((5,2),6),((2,2),10)])
self.assertEqual(sorted(self.obj.items()), exp)
self.assertRaises(KeyError, self.obj.__setitem__, (100,50), 10)
self.assertEqual(self.obj._index_rows, [set(),set([(1,2)]),
set([(2,2)]), set(), set(),
set([(5,2)])])
self.assertEqual(self.obj._index_cols, [set(),set(),
set([(1,2),(2,2),(5,2)])])
def test_getitem_simple(self):
"""Tests simple getitem"""
self.assertEqual(self.obj[(1,2)], 3)
self.assertEqual(self.obj[1,2], 3)
self.assertEqual(self.obj[1,1], 0)
self.assertRaises(IndexError, self.obj.__getitem__, (3,3))
self.assertRaises(IndexError, self.obj.__getitem__, (-1,2))
self.assertRaises(IndexError, self.obj.__getitem__, 1)
def test_getitem_slice(self):
"""Tests for slices on getitem"""
exp = SparseDict(1,3)
exp[0,2] = 3
self.assertEqual(exp, self.obj[1,:])
exp = SparseDict(6,1)
exp[1,0] = 3
exp[5,0] = 6
self.assertEqual(exp, self.obj[:,2])
self.assertRaises(IndexError, self.obj.__getitem__, (10,slice(None)))
self.assertRaises(AttributeError, self.obj.__getitem__, (3, slice(1,2,3)))
def test_update_internal_indices(self):
"""Update internal indices"""
sd = SparseDict(2,3)
self.assertEqual(sd._index_rows, [set(),set()])
self.assertEqual(sd._index_cols, [set(),set(),set()])
sd[(1,2)] = 5
self.assertEqual(sd._index_rows, [set(),set([(1,2)])])
self.assertEqual(sd._index_cols, [set(),set(),set([(1,2)])])
sd[(1,2)] = 0
self.assertEqual(sd._index_rows, [set(),set()])
self.assertEqual(sd._index_cols, [set(),set(),set()])
sd[(1,1)] = 0
self.assertEqual(sd._index_rows, [set(),set()])
self.assertEqual(sd._index_cols, [set(),set(),set()])
def test_getRow(self):
"""Get a row"""
exp = SparseDict(1,3)
exp.update({(0,2):3})
obs = self.obj.getRow(1)
self.assertEqual(obs, exp)
exp = SparseDict(1,3)
obs = self.obj.getRow(4)
self.assertEqual(obs,exp)
self.assertRaises(IndexError, self.obj.getRow, -1)
def test_getCol(self):
"""Get a col"""
exp = SparseDict(6,1)
exp.update({(1,0):3,(5,0):6})
obs = self.obj.getCol(2)
self.assertEqual(obs,exp)
exp = SparseDict(6,1)
obs = self.obj.getCol(1)
self.assertEqual(obs,exp)
self.assertRaises(IndexError, self.obj.getCol, -1)
def test_update(self):
"""updates should work and update indexes"""
items = self.obj.items()
indexes = (self.obj._index_rows, self.obj._index_cols)
self.obj.update({(1,2):3,(5,2):6})
self.assertEqual(items, self.obj.items())
self.assertEqual(indexes, (self.obj._index_rows, self.obj._index_cols))
self.obj.update({(1,2):0,(5,2):6})
self.assertEqual(self.obj.items(), {(5,2):6}.items())
self.assertEqual(self.obj._index_rows, [set(),set(),set(),set(),\
set(), set([(5,2)])])
self.assertEqual(self.obj._index_cols, [set(),set(),set([(5,2)])])
self.obj.update({(1,2):1,(2,2):0,(1,1):10})
self.assertEqual(self.obj.items(), {(1,2):1,(1,1):10,(5,2):6}.items())
self.assertEqual(self.obj._index_rows, [set(),set([(1,2),(1,1)]),\
set(),set(),\
set(), set([(5,2)])])
self.assertEqual(self.obj._index_cols, [set(),set([(1,1)]),set([(1,2),(5,2)])])
def test_T(self):
"""test transpose"""
exp = SparseDict(3,6)
exp.update({(2,1):3,(2,5):6})
obs = self.obj.T
self.assertEqual(obs, exp)
def test_get_size(self):
"""test getting the number of nonzero elements"""
self.assertEqual(self.obj.size, 2)
# Test with setting an element explicitly to zero.
sd = SparseDict(2,4)
sd.update({(0,1):3,(1,2):7,(0,0):0})
self.assertEqual(sd.size, 2)
# Test with an empty matrix.
sd = SparseDict(2,4)
self.assertEqual(sd.size, 0)
sd = SparseDict(0,0)
self.assertEqual(sd.size, 0)
def test_T(self):
"""test transpose"""
exp = SparseDict(3,6)
exp.update({(2,1):3,(2,5):6})
obs = self.obj.T
self.assertEqual(obs, exp)
