cpython/Lib/test/test_urllib.py

# Minimal test of the quote function
from test_support import verify, verbose
import urllib

chars = 'abcdefghijklmnopqrstuvwxyz'\
        '\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356' \
        '\357\360\361\362\363\364\365\366\370\371\372\373\374\375\376\377' \
        'ABCDEFGHIJKLMNOPQRSTUVWXYZ' \
        '\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317' \
        '\320\321\322\323\324\325\326\330\331\332\333\334\335\336'

expected = 'abcdefghijklmnopqrstuvwxyz' \
           '%DF%E0%E1%E2%E3%E4%E5%E6%E7%E8%E9%EA%EB%EC%ED%EE' \
           '%EF%F0%F1%F2%F3%F4%F5%F6%F8%F9%FA%FB%FC%FD%FE%FF' \
           'ABCDEFGHIJKLMNOPQRSTUVWXYZ' \
           '%C0%C1%C2%C3%C4%C5%C6%C7%C8%C9%CA%CB%CC%CD%CE%CF' \
           '%D0%D1%D2%D3%D4%D5%D6%D8%D9%DA%DB%DC%DD%DE'

test = urllib.quote(chars)
verify(test == expected, "urllib.quote problem 1")
test2 = urllib.unquote(expected)
verify(test2 == chars)

in1 = "abc/def"
out1_1 = "abc/def"
out1_2 = "abc%2Fdef"

verify(urllib.quote(in1) == out1_1, "urllib.quote problem 2")
verify(urllib.quote(in1, '') == out1_2, "urllib.quote problem 3")

in2 = "abc?def"
out2_1 = "abc%3Fdef"
out2_2 = "abc?def"

verify(urllib.quote(in2) == out2_1, "urllib.quote problem 4")
verify(urllib.quote(in2, '?') == out2_2, "urllib.quote problem 5")