/
lix_test.py
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/
lix_test.py
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"Unit tests of larry's indexing by label method, lix"
from nose.tools import assert_raises
import numpy as np
from numpy.testing import assert_equal
import la
from la import larry
from la.util.misc import isscalar
from la.util.testing import assert_larry_equal as ale
S = slice
N = None
si = [
((2,3,4) , ([0], [0], [0])),
((3,4) , ([0], [0])),
((3,) , ([0],)),
((2,3,4) , ([0, 1], [0, 1, 2], [0, 1, 2, 3])),
((3,4) , ([0, 1, 2], [0, 1, 2, 3])),
((3,) , ([0, 1, 2],)),
((2,3,4), ([0], [0], S(N))),
((2,3,4), ([0], S(N), S(N))),
((2,3,4), (S(N), S(N), S(N))),
((2,3,4), ([0], [0], S([1],N))),
((2,3,4), ([0], S([1],N), S(N))),
((2,3,4), (S([1],N), S(N), S(N))),
((2,3,4), ([0], [0], S(N,[1]))),
((2,3,4), ([0], S(N,[1]), S(N))),
((2,3,4), (S(N,[1]), S(N), S(N))),
((2,3,4), ([0], [0], S(N,[1],2))),
((2,3,4), ([0], S(N,[1],2), S(N))),
((2,3,4), (S(N,[1],2), S(N), S(N))),
((2,3,4), ([0,1], [0,2], S(N,[1]))),
((2,3,4), ([1,0], S(N,[1]), S(N))),
((2,3,4), (S(N,[1]), [0], S(N))),
((2,3,4), (S(N),)),
((5,5,5,5), ([0, 1], [0, 1, 2], [0, 1, 2, 3])),
((2,3,4), (S(N), S(N), [1])),
# Repeat the tests above but change some of the labels to integers
# to test integer support
((2,3,4) , (0, 0, 0)),
((3,4) , ([0], 0)),
((3,) , (0,)),
((2,3,4), (0, 0, S(N))),
((2,3,4), (0, S(N), S(N))),
((2,3,4), ([0], [0], S(1,N))),
((2,3,4), (0, S(1,N), S(N))),
((2,3,4), (S(1,N), S(N), S(N))),
((2,3,4), (0, [0], S(N,[1]))),
((2,3,4), (0, S(N,1), S(N))),
((2,3,4), (S(0,[1]), S(N), S(N))),
((2,3,4), (0, [0], S(N,1,2))),
((2,3,4), (0, S(N,1,2), S(N))),
((2,3,4), (S(N,[1],2), S(N), S(N))),
((2,3,4), ([0,1], [0,2], S(N,1))),
((2,3,4), ([1,0], S(N,1), S(N))),
((2,3,4), (S(N,1), 0, S(N))),
((2,3,4), (S(N), S(N), 1)),
]
def test_lix(si=si):
"Unit tests of larry's indexing by label method, lix"
for shape, index in si:
original = larry(np.arange(np.prod(shape)).reshape(shape))
aindex = []
for ax, idx in enumerate(index):
if type(idx) == slice:
start = idx.start
if type(start) == list:
start = start[0]
stop = idx.stop
if type(stop) == list:
stop = stop[0]
idx = slice(start, stop, idx.step)
aindex.append(np.arange(*idx.indices(original.shape[ax])))
elif isscalar(idx):
aindex.append([idx])
else:
aindex.append([np.array(i) for i in idx])
desired = np.squeeze(original.x[np.ix_(*aindex)])
if len(index) == 1:
actual = original.lix[index[0]]
elif len(index) == 2:
actual = original.lix[index[0], index[1]]
elif len(index) == 3:
actual = original.lix[index[0], index[1], index[2]]
elif len(index) == 4:
actual = original.lix[index[0], index[1], index[2], index[3]]
if isinstance(actual, larry):
actual = actual.x
msg = '\nlix fail on shape %s and index %s\n'
yield assert_equal, actual, desired, msg % (str(shape), str(index))
# ---------------------------------------------------------------------------
# Test lix setitem
def lix_setitem_test_01():
actual = la.lrange(label=[['a', 'b']])
actual.lix[['a']] = 9
desired = la.lrange(label=[['a', 'b']])
desired[0] = 9
ale(actual, desired)
def lix_setitem_test_02():
actual = la.lrange(label=[['a', 'b'], ['c', 'd']])
actual.lix[['a']] = 9
desired = la.lrange(label=[['a', 'b'], ['c', 'd']])
desired[0] = 9
ale(actual, desired)
def lix_setitem_test_03():
actual = la.lrange(label=[['a', 'b'], ['c', 'd']])
actual.lix[0] = 9
desired = la.lrange(label=[['a', 'b'], ['c', 'd']])
desired[0] = 9
ale(actual, desired)
def lix_setitem_test_04():
actual = la.lrange(label=[['a', 'b'], ['c', 'd']])
actual.lix[['a']:['b']] = 9
desired = la.lrange(label=[['a', 'b'], ['c', 'd']])
desired[0:1] = 9
ale(actual, desired)
def lix_setitem_test_05():
actual = la.lrange(label=[['a', 'b'], ['c', 'd']])
actual.lix[['b'], ['d']] = 9
desired = la.lrange(label=[['a', 'b'], ['c', 'd']])
desired[1, 1] = 9
ale(actual, desired)
def lix_setitem_test_06():
actual = la.lrange(label=[['a', 'b', 'c'], ['1', '2', '3']])
actual.lix[['a', 'b'], ['1', '2']] = 9
desired = la.lrange(label=[['a', 'b', 'c'], ['1', '2', '3']])
desired[:2, :2] = 9
ale(actual, desired)
def lix_setitem_test_07():
actual = la.lrange(label=[['a', 'b', 'c'], ['1', '2', '3']])
actual.lix[['a', 'b'], ['1', '2']] = np.arange(4).reshape(2, 2)
desired = la.lrange(label=[['a', 'b', 'c'], ['1', '2', '3']])
desired[:2, :2] = np.arange(4).reshape(2, 2)
ale(actual, desired)
def lix_setitem_test_08():
actual = la.lrange(label=[['a', 'b'], ['c', 'd']])
actual.lix[['a']] = la.larry([9, 10], [['c', 'd']])
desired = la.lrange(label=[['a', 'b'], ['c', 'd']])
desired[0] = [9, 10]
ale(actual, desired)
def lix_setitem_test_09():
def lixit(lar, index, value):
lar.lix[index] = value
actual = la.lrange(label=[['a', 'b'], ['c', 'd']])
index = ['a']
value = la.larry([10, 9], [['d', 'c']])
assert_raises(IndexError, lixit, actual, index, value)
def lix_setitem_test_10():
actual = la.lrange(label=[['a', 'b'], ['c', 'd']])
actual.lix[:,['d']] = la.larry([[9], [10]], [['a', 'b'],['d']])
desired = la.lrange(label=[['a', 'b'], ['c', 'd']])
desired[:,-1] = [9, 10]
ale(actual, desired)