You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
1.4 KiB
Python
32 lines
1.4 KiB
Python
""" Testing miobase module
|
|
"""
|
|
|
|
import numpy as np
|
|
|
|
from numpy.testing import assert_equal
|
|
from pytest import raises as assert_raises
|
|
|
|
from scipy.io.matlab.miobase import matdims
|
|
|
|
|
|
def test_matdims():
|
|
# Test matdims dimension finder
|
|
assert_equal(matdims(np.array(1)), (1, 1)) # NumPy scalar
|
|
assert_equal(matdims(np.array([1])), (1, 1)) # 1-D array, 1 element
|
|
assert_equal(matdims(np.array([1,2])), (2, 1)) # 1-D array, 2 elements
|
|
assert_equal(matdims(np.array([[2],[3]])), (2, 1)) # 2-D array, column vector
|
|
assert_equal(matdims(np.array([[2,3]])), (1, 2)) # 2-D array, row vector
|
|
# 3d array, rowish vector
|
|
assert_equal(matdims(np.array([[[2,3]]])), (1, 1, 2))
|
|
assert_equal(matdims(np.array([])), (0, 0)) # empty 1-D array
|
|
assert_equal(matdims(np.array([[]])), (0, 0)) # empty 2-D array
|
|
assert_equal(matdims(np.array([[[]]])), (0, 0, 0)) # empty 3-D array
|
|
# Optional argument flips 1-D shape behavior.
|
|
assert_equal(matdims(np.array([1,2]), 'row'), (1, 2)) # 1-D array, 2 elements
|
|
# The argument has to make sense though
|
|
assert_raises(ValueError, matdims, np.array([1,2]), 'bizarre')
|
|
# Check empty sparse matrices get their own shape
|
|
from scipy.sparse import csr_matrix, csc_matrix
|
|
assert_equal(matdims(csr_matrix(np.zeros((3, 3)))), (3, 3))
|
|
assert_equal(matdims(csc_matrix(np.zeros((2, 2)))), (2, 2))
|