def test_pairwise_hamming_distance_range():
"""Values of all the pairwise hamming distances should be in the range
[0, 1]."""
a = np.random.random_sample((10, 50)) > 0.5
b = np.random.random_sample((20, 50)) > 0.5
dist = pairwise_hamming_distance(a, b)
assert np.all((0 <= dist) & (dist <= 1))
def test_pairwise_hamming_distance_range():
"""Values of all the pairwise hamming distances should be in the range
[0, 1]."""
a = np.random.random_sample((10, 50)) > 0.5
b = np.random.random_sample((20, 50)) > 0.5
dist = pairwise_hamming_distance(a, b)
assert np.all((0 <= dist) & (dist <= 1))
def test_pairwise_hamming_distance_value():
"""The result of pairwise_hamming_distance of two fixed sets of boolean
vectors should be same as expected."""
np.random.seed(10)
a = np.random.random_sample((4, 100)) > 0.5
np.random.seed(20)
b = np.random.random_sample((3, 100)) > 0.5
result = pairwise_hamming_distance(a, b)
expected = np.array([[0.5, 0.49, 0.44], [0.44, 0.53, 0.52],
[0.4, 0.55, 0.5], [0.47, 0.48, 0.57]])
assert_array_equal(result, expected)
def test_pairwise_hamming_distance_value():
"""The result of pairwise_hamming_distance of two fixed sets of boolean
vectors should be same as expected."""
np.random.seed(10)
a = np.random.random_sample((4, 100)) > 0.5
np.random.seed(20)
b = np.random.random_sample((3, 100)) > 0.5
result = pairwise_hamming_distance(a, b)
expected = np.array([[0.5 , 0.49, 0.44],
[0.44, 0.53, 0.52],
[0.4 , 0.55, 0.5 ],
[0.47, 0.48, 0.57]])
assert_array_equal(result, expected)
