622 lines
25 KiB
Python
622 lines
25 KiB
Python
import sys
|
|
|
|
import numpy as np
|
|
import numpy.ma as ma
|
|
from numpy.ma.testutils import *
|
|
|
|
from numpy.ma.mrecords import MaskedRecords
|
|
|
|
from numpy.lib.recfunctions import *
|
|
get_names = np.lib.recfunctions.get_names
|
|
get_names_flat = np.lib.recfunctions.get_names_flat
|
|
zip_descr = np.lib.recfunctions.zip_descr
|
|
|
|
class TestRecFunctions(TestCase):
|
|
"""
|
|
Misc tests
|
|
"""
|
|
#
|
|
def setUp(self):
|
|
x = np.array([1, 2, ])
|
|
y = np.array([10, 20, 30])
|
|
z = np.array([('A', 1.), ('B', 2.)],
|
|
dtype=[('A', '|S3'), ('B', float)])
|
|
w = np.array([(1, (2, 3.0)), (4, (5, 6.0))],
|
|
dtype=[('a', int), ('b', [('ba', float), ('bb', int)])])
|
|
self.data = (w, x, y, z)
|
|
|
|
|
|
def test_zip_descr(self):
|
|
"Test zip_descr"
|
|
(w, x, y, z) = self.data
|
|
# Std array
|
|
test = zip_descr((x, x), flatten=True)
|
|
assert_equal(test,
|
|
np.dtype([('', int), ('', int)]))
|
|
test = zip_descr((x, x), flatten=False)
|
|
assert_equal(test,
|
|
np.dtype([('', int), ('', int)]))
|
|
# Std & flexible-dtype
|
|
test = zip_descr((x, z), flatten=True)
|
|
assert_equal(test,
|
|
np.dtype([('', int), ('A', '|S3'), ('B', float)]))
|
|
test = zip_descr((x, z), flatten=False)
|
|
assert_equal(test,
|
|
np.dtype([('', int),
|
|
('', [('A', '|S3'), ('B', float)])]))
|
|
# Standard & nested dtype
|
|
test = zip_descr((x, w), flatten=True)
|
|
assert_equal(test,
|
|
np.dtype([('', int),
|
|
('a', int),
|
|
('ba', float), ('bb', int)]))
|
|
test = zip_descr((x, w), flatten=False)
|
|
assert_equal(test,
|
|
np.dtype([('', int),
|
|
('', [('a', int),
|
|
('b', [('ba', float), ('bb', int)])])]))
|
|
|
|
|
|
def test_drop_fields(self):
|
|
"Test drop_fields"
|
|
a = np.array([(1, (2, 3.0)), (4, (5, 6.0))],
|
|
dtype=[('a', int), ('b', [('ba', float), ('bb', int)])])
|
|
# A basic field
|
|
test = drop_fields(a, 'a')
|
|
control = np.array([((2, 3.0),), ((5, 6.0),)],
|
|
dtype=[('b', [('ba', float), ('bb', int)])])
|
|
assert_equal(test, control)
|
|
# Another basic field (but nesting two fields)
|
|
test = drop_fields(a, 'b')
|
|
control = np.array([(1,), (4,)], dtype=[('a', int)])
|
|
assert_equal(test, control)
|
|
# A nested sub-field
|
|
test = drop_fields(a, ['ba', ])
|
|
control = np.array([(1, (3.0,)), (4, (6.0,))],
|
|
dtype=[('a', int), ('b', [('bb', int)])])
|
|
assert_equal(test, control)
|
|
# All the nested sub-field from a field: zap that field
|
|
test = drop_fields(a, ['ba', 'bb'])
|
|
control = np.array([(1,), (4,)], dtype=[('a', int)])
|
|
assert_equal(test, control)
|
|
#
|
|
test = drop_fields(a, ['a', 'b'])
|
|
assert(test is None)
|
|
|
|
|
|
def test_rename_fields(self):
|
|
"Tests rename fields"
|
|
a = np.array([(1, (2, [3.0, 30.])), (4, (5, [6.0, 60.]))],
|
|
dtype=[('a', int),
|
|
('b', [('ba', float), ('bb', (float, 2))])])
|
|
test = rename_fields(a, {'a':'A', 'bb':'BB'})
|
|
newdtype = [('A', int), ('b', [('ba', float), ('BB', (float, 2))])]
|
|
control = a.view(newdtype)
|
|
assert_equal(test.dtype, newdtype)
|
|
assert_equal(test, control)
|
|
|
|
|
|
def test_get_names(self):
|
|
"Tests get_names"
|
|
ndtype = np.dtype([('A', '|S3'), ('B', float)])
|
|
test = get_names(ndtype)
|
|
assert_equal(test, ('A', 'B'))
|
|
#
|
|
ndtype = np.dtype([('a', int), ('b', [('ba', float), ('bb', int)])])
|
|
test = get_names(ndtype)
|
|
assert_equal(test, ('a', ('b', ('ba', 'bb'))))
|
|
|
|
|
|
def test_get_names_flat(self):
|
|
"Test get_names_flat"
|
|
ndtype = np.dtype([('A', '|S3'), ('B', float)])
|
|
test = get_names_flat(ndtype)
|
|
assert_equal(test, ('A', 'B'))
|
|
#
|
|
ndtype = np.dtype([('a', int), ('b', [('ba', float), ('bb', int)])])
|
|
test = get_names_flat(ndtype)
|
|
assert_equal(test, ('a', 'b', 'ba', 'bb'))
|
|
|
|
|
|
def test_get_fieldstructure(self):
|
|
"Test get_fieldstructure"
|
|
# No nested fields
|
|
ndtype = np.dtype([('A', '|S3'), ('B', float)])
|
|
test = get_fieldstructure(ndtype)
|
|
assert_equal(test, {'A':[], 'B':[]})
|
|
# One 1-nested field
|
|
ndtype = np.dtype([('A', int), ('B', [('BA', float), ('BB', '|S1')])])
|
|
test = get_fieldstructure(ndtype)
|
|
assert_equal(test, {'A': [], 'B': [], 'BA':['B', ], 'BB':['B']})
|
|
# One 2-nested fields
|
|
ndtype = np.dtype([('A', int),
|
|
('B', [('BA', int),
|
|
('BB', [('BBA', int), ('BBB', int)])])])
|
|
test = get_fieldstructure(ndtype)
|
|
control = {'A': [], 'B': [], 'BA': ['B'], 'BB': ['B'],
|
|
'BBA': ['B', 'BB'], 'BBB': ['B', 'BB']}
|
|
assert_equal(test, control)
|
|
|
|
def test_find_duplicates(self):
|
|
"Test find_duplicates"
|
|
a = ma.array([(2, (2., 'B')), (1, (2., 'B')), (2, (2., 'B')),
|
|
(1, (1., 'B')), (2, (2., 'B')), (2, (2., 'C'))],
|
|
mask=[(0, (0, 0)), (0, (0, 0)), (0, (0, 0)),
|
|
(0, (0, 0)), (1, (0, 0)), (0, (1, 0))],
|
|
dtype=[('A', int), ('B', [('BA', float), ('BB', '|S1')])])
|
|
#
|
|
test = find_duplicates(a, ignoremask=False, return_index=True)
|
|
control = [0, 2]
|
|
assert_equal(sorted(test[-1]), control)
|
|
assert_equal(test[0], a[test[-1]])
|
|
#
|
|
test = find_duplicates(a, key='A', return_index=True)
|
|
control = [0, 1, 2, 3, 5]
|
|
assert_equal(sorted(test[-1]), control)
|
|
assert_equal(test[0], a[test[-1]])
|
|
#
|
|
test = find_duplicates(a, key='B', return_index=True)
|
|
control = [0, 1, 2, 4]
|
|
assert_equal(sorted(test[-1]), control)
|
|
assert_equal(test[0], a[test[-1]])
|
|
#
|
|
test = find_duplicates(a, key='BA', return_index=True)
|
|
control = [0, 1, 2, 4]
|
|
assert_equal(sorted(test[-1]), control)
|
|
assert_equal(test[0], a[test[-1]])
|
|
#
|
|
test = find_duplicates(a, key='BB', return_index=True)
|
|
control = [0, 1, 2, 3, 4]
|
|
assert_equal(sorted(test[-1]), control)
|
|
assert_equal(test[0], a[test[-1]])
|
|
|
|
def test_find_duplicates_ignoremask(self):
|
|
"Test the ignoremask option of find_duplicates"
|
|
ndtype = [('a', int)]
|
|
a = ma.array([1, 1, 1, 2, 2, 3, 3],
|
|
mask=[0, 0, 1, 0, 0, 0, 1]).view(ndtype)
|
|
test = find_duplicates(a, ignoremask=True, return_index=True)
|
|
control = [0, 1, 3, 4]
|
|
assert_equal(sorted(test[-1]), control)
|
|
assert_equal(test[0], a[test[-1]])
|
|
#
|
|
test = find_duplicates(a, ignoremask=False, return_index=True)
|
|
control = [0, 1, 2, 3, 4, 6]
|
|
assert_equal(sorted(test[-1]), control)
|
|
assert_equal(test[0], a[test[-1]])
|
|
|
|
|
|
class TestRecursiveFillFields(TestCase):
|
|
"""
|
|
Test recursive_fill_fields.
|
|
"""
|
|
def test_simple_flexible(self):
|
|
"Test recursive_fill_fields on flexible-array"
|
|
a = np.array([(1, 10.), (2, 20.)], dtype=[('A', int), ('B', float)])
|
|
b = np.zeros((3,), dtype=a.dtype)
|
|
test = recursive_fill_fields(a, b)
|
|
control = np.array([(1, 10.), (2, 20.), (0, 0.)],
|
|
dtype=[('A', int), ('B', float)])
|
|
assert_equal(test, control)
|
|
#
|
|
def test_masked_flexible(self):
|
|
"Test recursive_fill_fields on masked flexible-array"
|
|
a = ma.array([(1, 10.), (2, 20.)], mask=[(0, 1), (1, 0)],
|
|
dtype=[('A', int), ('B', float)])
|
|
b = ma.zeros((3,), dtype=a.dtype)
|
|
test = recursive_fill_fields(a, b)
|
|
control = ma.array([(1, 10.), (2, 20.), (0, 0.)],
|
|
mask=[(0, 1), (1, 0), (0, 0)],
|
|
dtype=[('A', int), ('B', float)])
|
|
assert_equal(test, control)
|
|
#
|
|
|
|
|
|
|
|
class TestMergeArrays(TestCase):
|
|
"""
|
|
Test merge_arrays
|
|
"""
|
|
def setUp(self):
|
|
x = np.array([1, 2, ])
|
|
y = np.array([10, 20, 30])
|
|
z = np.array([('A', 1.), ('B', 2.)], dtype=[('A', '|S3'), ('B', float)])
|
|
w = np.array([(1, (2, 3.0)), (4, (5, 6.0))],
|
|
dtype=[('a', int), ('b', [('ba', float), ('bb', int)])])
|
|
self.data = (w, x, y, z)
|
|
#
|
|
def test_solo(self):
|
|
"Test merge_arrays on a single array."
|
|
(_, x, _, z) = self.data
|
|
#
|
|
test = merge_arrays(x)
|
|
control = np.array([(1,), (2,)], dtype=[('f0', int)])
|
|
assert_equal(test, control)
|
|
test = merge_arrays((x,))
|
|
assert_equal(test, control)
|
|
#
|
|
test = merge_arrays(z, flatten=False)
|
|
assert_equal(test, z)
|
|
test = merge_arrays(z, flatten=True)
|
|
assert_equal(test, z)
|
|
#
|
|
def test_solo_w_flatten(self):
|
|
"Test merge_arrays on a single array w & w/o flattening"
|
|
w = self.data[0]
|
|
test = merge_arrays(w, flatten=False)
|
|
assert_equal(test, w)
|
|
#
|
|
test = merge_arrays(w, flatten=True)
|
|
control = np.array([(1, 2, 3.0), (4, 5, 6.0)],
|
|
dtype=[('a', int), ('ba', float), ('bb', int)])
|
|
assert_equal(test, control)
|
|
#
|
|
def test_standard(self):
|
|
"Test standard & standard"
|
|
# Test merge arrays
|
|
(_, x, y, _) = self.data
|
|
test = merge_arrays((x, y), usemask=False)
|
|
control = np.array([(1, 10), (2, 20), (-1, 30)],
|
|
dtype=[('f0', int), ('f1', int)])
|
|
assert_equal(test, control)
|
|
#
|
|
test = merge_arrays((x, y), usemask=True)
|
|
control = ma.array([(1, 10), (2, 20), (-1, 30)],
|
|
mask=[(0, 0), (0, 0), (1, 0)],
|
|
dtype=[('f0', int), ('f1', int)])
|
|
assert_equal(test, control)
|
|
assert_equal(test.mask, control.mask)
|
|
#
|
|
def test_flatten(self):
|
|
"Test standard & flexible"
|
|
(_, x, _, z) = self.data
|
|
test = merge_arrays((x, z), flatten=True)
|
|
control = np.array([(1, 'A', 1.), (2, 'B', 2.)],
|
|
dtype=[('f0', int), ('A', '|S3'), ('B', float)])
|
|
assert_equal(test, control)
|
|
#
|
|
test = merge_arrays((x, z), flatten=False)
|
|
control = np.array([(1, ('A', 1.)), (2, ('B', 2.))],
|
|
dtype=[('f0', int),
|
|
('f1', [('A', '|S3'), ('B', float)])])
|
|
assert_equal(test, control)
|
|
#
|
|
def test_flatten_wflexible(self):
|
|
"Test flatten standard & nested"
|
|
(w, x, _, _) = self.data
|
|
test = merge_arrays((x, w), flatten=True)
|
|
control = np.array([(1, 1, 2, 3.0), (2, 4, 5, 6.0)],
|
|
dtype=[('f0', int),
|
|
('a', int), ('ba', float), ('bb', int)])
|
|
assert_equal(test, control)
|
|
#
|
|
test = merge_arrays((x, w), flatten=False)
|
|
controldtype = dtype = [('f0', int),
|
|
('f1', [('a', int),
|
|
('b', [('ba', float), ('bb', int)])])]
|
|
control = np.array([(1., (1, (2, 3.0))), (2, (4, (5, 6.0)))],
|
|
dtype=controldtype)
|
|
#
|
|
def test_wmasked_arrays(self):
|
|
"Test merge_arrays masked arrays"
|
|
(_, x, _, _) = self.data
|
|
mx = ma.array([1, 2, 3], mask=[1, 0, 0])
|
|
test = merge_arrays((x, mx), usemask=True)
|
|
control = ma.array([(1, 1), (2, 2), (-1, 3)],
|
|
mask=[(0, 1), (0, 0), (1, 0)],
|
|
dtype=[('f0', int), ('f1', int)])
|
|
assert_equal(test, control)
|
|
test = merge_arrays((x, mx), usemask=True, asrecarray=True)
|
|
assert_equal(test, control)
|
|
assert(isinstance(test, MaskedRecords))
|
|
#
|
|
def test_w_singlefield(self):
|
|
"Test single field"
|
|
test = merge_arrays((np.array([1, 2]).view([('a', int)]),
|
|
np.array([10., 20., 30.])),)
|
|
control = ma.array([(1, 10.), (2, 20.), (-1, 30.)],
|
|
mask=[(0, 0), (0, 0), (1, 0)],
|
|
dtype=[('a', int), ('f1', float)])
|
|
assert_equal(test, control)
|
|
#
|
|
def test_w_shorter_flex(self):
|
|
"Test merge_arrays w/ a shorter flexndarray."
|
|
z = self.data[-1]
|
|
test = merge_arrays((z, np.array([10, 20, 30]).view([('C', int)])))
|
|
control = np.array([('A', 1., 10), ('B', 2., 20), ('-1', -1, 20)],
|
|
dtype=[('A', '|S3'), ('B', float), ('C', int)])
|
|
#
|
|
def test_singlerecord(self):
|
|
(_, x, y, z) = self.data
|
|
test = merge_arrays((x[0], y[0], z[0]), usemask=False)
|
|
control = np.array([(1, 10, ('A', 1))],
|
|
dtype=[('f0', int),
|
|
('f1', int),
|
|
('f2', [('A', '|S3'), ('B', float)])])
|
|
assert_equal(test, control)
|
|
|
|
|
|
|
|
class TestAppendFields(TestCase):
|
|
"""
|
|
Test append_fields
|
|
"""
|
|
def setUp(self):
|
|
x = np.array([1, 2, ])
|
|
y = np.array([10, 20, 30])
|
|
z = np.array([('A', 1.), ('B', 2.)], dtype=[('A', '|S3'), ('B', float)])
|
|
w = np.array([(1, (2, 3.0)), (4, (5, 6.0))],
|
|
dtype=[('a', int), ('b', [('ba', float), ('bb', int)])])
|
|
self.data = (w, x, y, z)
|
|
#
|
|
def test_append_single(self):
|
|
"Test simple case"
|
|
(_, x, _, _) = self.data
|
|
test = append_fields(x, 'A', data=[10, 20, 30])
|
|
control = ma.array([(1, 10), (2, 20), (-1, 30)],
|
|
mask=[(0, 0), (0, 0), (1, 0)],
|
|
dtype=[('f0', int), ('A', int)],)
|
|
assert_equal(test, control)
|
|
#
|
|
def test_append_double(self):
|
|
"Test simple case"
|
|
(_, x, _, _) = self.data
|
|
test = append_fields(x, ('A', 'B'), data=[[10, 20, 30], [100, 200]])
|
|
control = ma.array([(1, 10, 100), (2, 20, 200), (-1, 30, -1)],
|
|
mask=[(0, 0, 0), (0, 0, 0), (1, 0, 1)],
|
|
dtype=[('f0', int), ('A', int), ('B', int)],)
|
|
assert_equal(test, control)
|
|
#
|
|
def test_append_on_flex(self):
|
|
"Test append_fields on flexible type arrays"
|
|
z = self.data[-1]
|
|
test = append_fields(z, 'C', data=[10, 20, 30])
|
|
control = ma.array([('A', 1., 10), ('B', 2., 20), (-1, -1., 30)],
|
|
mask=[(0, 0, 0), (0, 0, 0), (1, 1, 0)],
|
|
dtype=[('A', '|S3'), ('B', float), ('C', int)],)
|
|
assert_equal(test, control)
|
|
#
|
|
def test_append_on_nested(self):
|
|
"Test append_fields on nested fields"
|
|
w = self.data[0]
|
|
test = append_fields(w, 'C', data=[10, 20, 30])
|
|
control = ma.array([(1, (2, 3.0), 10),
|
|
(4, (5, 6.0), 20),
|
|
(-1, (-1, -1.), 30)],
|
|
mask=[(0, (0, 0), 0), (0, (0, 0), 0), (1, (1, 1), 0)],
|
|
dtype=[('a', int),
|
|
('b', [('ba', float), ('bb', int)]),
|
|
('C', int)],)
|
|
assert_equal(test, control)
|
|
|
|
|
|
|
|
class TestStackArrays(TestCase):
|
|
"""
|
|
Test stack_arrays
|
|
"""
|
|
def setUp(self):
|
|
x = np.array([1, 2, ])
|
|
y = np.array([10, 20, 30])
|
|
z = np.array([('A', 1.), ('B', 2.)], dtype=[('A', '|S3'), ('B', float)])
|
|
w = np.array([(1, (2, 3.0)), (4, (5, 6.0))],
|
|
dtype=[('a', int), ('b', [('ba', float), ('bb', int)])])
|
|
self.data = (w, x, y, z)
|
|
#
|
|
def test_solo(self):
|
|
"Test stack_arrays on single arrays"
|
|
(_, x, _, _) = self.data
|
|
test = stack_arrays((x,))
|
|
assert_equal(test, x)
|
|
self.assertTrue(test is x)
|
|
#
|
|
test = stack_arrays(x)
|
|
assert_equal(test, x)
|
|
self.assertTrue(test is x)
|
|
#
|
|
def test_unnamed_fields(self):
|
|
"Tests combinations of arrays w/o named fields"
|
|
(_, x, y, _) = self.data
|
|
#
|
|
test = stack_arrays((x, x), usemask=False)
|
|
control = np.array([1, 2, 1, 2])
|
|
assert_equal(test, control)
|
|
#
|
|
test = stack_arrays((x, y), usemask=False)
|
|
control = np.array([1, 2, 10, 20, 30])
|
|
assert_equal(test, control)
|
|
#
|
|
test = stack_arrays((y, x), usemask=False)
|
|
control = np.array([10, 20, 30, 1, 2])
|
|
assert_equal(test, control)
|
|
#
|
|
def test_unnamed_and_named_fields(self):
|
|
"Test combination of arrays w/ & w/o named fields"
|
|
(_, x, _, z) = self.data
|
|
#
|
|
test = stack_arrays((x, z))
|
|
control = ma.array([(1, -1, -1), (2, -1, -1),
|
|
(-1, 'A', 1), (-1, 'B', 2)],
|
|
mask=[(0, 1, 1), (0, 1, 1),
|
|
(1, 0, 0), (1, 0, 0)],
|
|
dtype=[('f0', int), ('A', '|S3'), ('B', float)])
|
|
assert_equal(test, control)
|
|
assert_equal(test.mask, control.mask)
|
|
#
|
|
test = stack_arrays((z, x))
|
|
control = ma.array([('A', 1, -1), ('B', 2, -1),
|
|
(-1, -1, 1), (-1, -1, 2), ],
|
|
mask=[(0, 0, 1), (0, 0, 1),
|
|
(1, 1, 0), (1, 1, 0)],
|
|
dtype=[('A', '|S3'), ('B', float), ('f2', int)])
|
|
assert_equal(test, control)
|
|
assert_equal(test.mask, control.mask)
|
|
#
|
|
test = stack_arrays((z, z, x))
|
|
control = ma.array([('A', 1, -1), ('B', 2, -1),
|
|
('A', 1, -1), ('B', 2, -1),
|
|
(-1, -1, 1), (-1, -1, 2), ],
|
|
mask=[(0, 0, 1), (0, 0, 1),
|
|
(0, 0, 1), (0, 0, 1),
|
|
(1, 1, 0), (1, 1, 0)],
|
|
dtype=[('A', '|S3'), ('B', float), ('f2', int)])
|
|
assert_equal(test, control)
|
|
#
|
|
def test_matching_named_fields(self):
|
|
"Test combination of arrays w/ matching field names"
|
|
(_, x, _, z) = self.data
|
|
zz = np.array([('a', 10., 100.), ('b', 20., 200.), ('c', 30., 300.)],
|
|
dtype=[('A', '|S3'), ('B', float), ('C', float)])
|
|
test = stack_arrays((z, zz))
|
|
control = ma.array([('A', 1, -1), ('B', 2, -1),
|
|
('a', 10., 100.), ('b', 20., 200.), ('c', 30., 300.)],
|
|
dtype=[('A', '|S3'), ('B', float), ('C', float)],
|
|
mask=[(0, 0, 1), (0, 0, 1),
|
|
(0, 0, 0), (0, 0, 0), (0, 0, 0)])
|
|
assert_equal(test, control)
|
|
assert_equal(test.mask, control.mask)
|
|
#
|
|
test = stack_arrays((z, zz, x))
|
|
ndtype = [('A', '|S3'), ('B', float), ('C', float), ('f3', int)]
|
|
control = ma.array([('A', 1, -1, -1), ('B', 2, -1, -1),
|
|
('a', 10., 100., -1), ('b', 20., 200., -1),
|
|
('c', 30., 300., -1),
|
|
(-1, -1, -1, 1), (-1, -1, -1, 2)],
|
|
dtype=ndtype,
|
|
mask=[(0, 0, 1, 1), (0, 0, 1, 1),
|
|
(0, 0, 0, 1), (0, 0, 0, 1), (0, 0, 0, 1),
|
|
(1, 1, 1, 0), (1, 1, 1, 0)])
|
|
assert_equal(test, control)
|
|
assert_equal(test.mask, control.mask)
|
|
|
|
|
|
def test_defaults(self):
|
|
"Test defaults: no exception raised if keys of defaults are not fields."
|
|
(_, _, _, z) = self.data
|
|
zz = np.array([('a', 10., 100.), ('b', 20., 200.), ('c', 30., 300.)],
|
|
dtype=[('A', '|S3'), ('B', float), ('C', float)])
|
|
defaults = {'A':'???', 'B':-999., 'C':-9999., 'D':-99999.}
|
|
test = stack_arrays((z, zz), defaults=defaults)
|
|
control = ma.array([('A', 1, -9999.), ('B', 2, -9999.),
|
|
('a', 10., 100.), ('b', 20., 200.), ('c', 30., 300.)],
|
|
dtype=[('A', '|S3'), ('B', float), ('C', float)],
|
|
mask=[(0, 0, 1), (0, 0, 1),
|
|
(0, 0, 0), (0, 0, 0), (0, 0, 0)])
|
|
assert_equal(test, control)
|
|
assert_equal(test.data, control.data)
|
|
assert_equal(test.mask, control.mask)
|
|
|
|
|
|
def test_autoconversion(self):
|
|
"Tests autoconversion"
|
|
adtype = [('A', int), ('B', bool), ('C', float)]
|
|
a = ma.array([(1, 2, 3)], mask=[(0, 1, 0)], dtype=adtype)
|
|
bdtype = [('A', int), ('B', float), ('C', float)]
|
|
b = ma.array([(4, 5, 6)], dtype=bdtype)
|
|
control = ma.array([(1, 2, 3), (4, 5, 6)], mask=[(0, 1, 0), (0, 0, 0)],
|
|
dtype=bdtype)
|
|
test = stack_arrays((a, b), autoconvert=True)
|
|
assert_equal(test, control)
|
|
assert_equal(test.mask, control.mask)
|
|
try:
|
|
test = stack_arrays((a, b), autoconvert=False)
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
raise AssertionError
|
|
|
|
|
|
def test_checktitles(self):
|
|
"Test using titles in the field names"
|
|
adtype = [(('a', 'A'), int), (('b', 'B'), bool), (('c', 'C'), float)]
|
|
a = ma.array([(1, 2, 3)], mask=[(0, 1, 0)], dtype=adtype)
|
|
bdtype = [(('a', 'A'), int), (('b', 'B'), bool), (('c', 'C'), float)]
|
|
b = ma.array([(4, 5, 6)], dtype=bdtype)
|
|
test = stack_arrays((a, b))
|
|
control = ma.array([(1, 2, 3), (4, 5, 6)], mask=[(0, 1, 0), (0, 0, 0)],
|
|
dtype=bdtype)
|
|
assert_equal(test, control)
|
|
assert_equal(test.mask, control.mask)
|
|
|
|
|
|
class TestJoinBy(TestCase):
|
|
def setUp(self):
|
|
self.a = np.array(zip(np.arange(10), np.arange(50, 60),
|
|
np.arange(100, 110)),
|
|
dtype=[('a', int), ('b', int), ('c', int)])
|
|
self.b = np.array(zip(np.arange(5, 15), np.arange(65, 75),
|
|
np.arange(100, 110)),
|
|
dtype=[('a', int), ('b', int), ('d', int)])
|
|
#
|
|
def test_inner_join(self):
|
|
"Basic test of join_by"
|
|
a, b = self.a, self.b
|
|
#
|
|
test = join_by('a', a, b, jointype='inner')
|
|
control = np.array([(5, 55, 65, 105, 100), (6, 56, 66, 106, 101),
|
|
(7, 57, 67, 107, 102), (8, 58, 68, 108, 103),
|
|
(9, 59, 69, 109, 104)],
|
|
dtype=[('a', int), ('b1', int), ('b2', int),
|
|
('c', int), ('d', int)])
|
|
assert_equal(test, control)
|
|
|
|
def test_join(self):
|
|
a, b = self.a, self.b
|
|
#
|
|
test = join_by(('a', 'b'), a, b)
|
|
control = np.array([(5, 55, 105, 100), (6, 56, 106, 101),
|
|
(7, 57, 107, 102), (8, 58, 108, 103),
|
|
(9, 59, 109, 104)],
|
|
dtype=[('a', int), ('b', int),
|
|
('c', int), ('d', int)])
|
|
|
|
def test_outer_join(self):
|
|
a, b = self.a, self.b
|
|
#
|
|
test = join_by(('a', 'b'), a, b, 'outer')
|
|
control = ma.array([(0, 50, 100, -1), (1, 51, 101, -1),
|
|
(2, 52, 102, -1), (3, 53, 103, -1),
|
|
(4, 54, 104, -1), (5, 55, 105, -1),
|
|
(5, 65, -1, 100), (6, 56, 106, -1),
|
|
(6, 66, -1, 101), (7, 57, 107, -1),
|
|
(7, 67, -1, 102), (8, 58, 108, -1),
|
|
(8, 68, -1, 103), (9, 59, 109, -1),
|
|
(9, 69, -1, 104), (10, 70, -1, 105),
|
|
(11, 71, -1, 106), (12, 72, -1, 107),
|
|
(13, 73, -1, 108), (14, 74, -1, 109)],
|
|
mask=[(0, 0, 0, 1), (0, 0, 0, 1),
|
|
(0, 0, 0, 1), (0, 0, 0, 1),
|
|
(0, 0, 0, 1), (0, 0, 0, 1),
|
|
(0, 0, 1, 0), (0, 0, 0, 1),
|
|
(0, 0, 1, 0), (0, 0, 0, 1),
|
|
(0, 0, 1, 0), (0, 0, 0, 1),
|
|
(0, 0, 1, 0), (0, 0, 0, 1),
|
|
(0, 0, 1, 0), (0, 0, 1, 0),
|
|
(0, 0, 1, 0), (0, 0, 1, 0),
|
|
(0, 0, 1, 0), (0, 0, 1, 0)],
|
|
dtype=[('a', int), ('b', int),
|
|
('c', int), ('d', int)])
|
|
assert_equal(test, control)
|
|
|
|
def test_leftouter_join(self):
|
|
a, b = self.a, self.b
|
|
#
|
|
test = join_by(('a', 'b'), a, b, 'leftouter')
|
|
control = ma.array([(0, 50, 100, -1), (1, 51, 101, -1),
|
|
(2, 52, 102, -1), (3, 53, 103, -1),
|
|
(4, 54, 104, -1), (5, 55, 105, -1),
|
|
(6, 56, 106, -1), (7, 57, 107, -1),
|
|
(8, 58, 108, -1), (9, 59, 109, -1)],
|
|
mask=[(0, 0, 0, 1), (0, 0, 0, 1),
|
|
(0, 0, 0, 1), (0, 0, 0, 1),
|
|
(0, 0, 0, 1), (0, 0, 0, 1),
|
|
(0, 0, 0, 1), (0, 0, 0, 1),
|
|
(0, 0, 0, 1), (0, 0, 0, 1)],
|
|
dtype=[('a', int), ('b', int), ('c', int), ('d', int)])
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
run_module_suite()
|