1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
# -*- coding: utf-8 -*-
"""\
This file contains functions to stress-test natsort.
"""
from random import randint, sample, choice
from string import printable
from copy import copy
from pytest import fail
from natsort import natsorted
from natsort.py23compat import py23_range
def test_random():
"""Try to sort 100,000 randomly generated strings without exception."""
# Repeat test 100,000 times
for _ in py23_range(100000):
# Made a list of five randomly generated strings
lst = [''.join(sample(printable, randint(7, 30)))
for __ in py23_range(5)]
# Try to sort. If there is an exception, give some detailed info.
try:
natsorted(lst)
except Exception as e:
msg = "Ended with exception type '{exc}: {msg}'.\n"
msg += "Failed on the input {lst}."
fail(msg.format(exc=type(e).__name__, msg=str(e), lst=str(lst)))
def test_similar():
"""Try to sort 100,000 randomly generated
similar strings without exception.
"""
# Repeat test 100,000 times
for _ in py23_range(100000):
# Create a randomly generated string
base = sample(printable, randint(7, 30))
# Make a list of strings based on this string,
# with some randomly generated modifications
lst = []
for __ in py23_range(5):
new_str = copy(base)
for ___ in py23_range(randint(1, 5)):
new_str[randint(0, len(base)-1)] = choice(printable)
lst.append(''.join(new_str))
# Try to sort. If there is an exception, give some detailed info.
try:
natsorted(lst)
except Exception as e:
msg = "Ended with exception type '{exc}: {msg}'.\n"
msg += "Failed on the input {lst}."
fail(msg.format(exc=type(e).__name__, msg=str(e), lst=str(lst)))
|
