mirrors/cpython
0
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2024-11-24 18:34:43 +08:00
Code Issues Packages Projects Releases Wiki Activity

test_sre is dead! long live test_re!

Browse Source
This commit is contained in:
Skip Montanaro 2003-04-25 15:59:12 +00:00
parent 35b9ff3683
commit 9593792da3
1 changed files with 0 additions and 116 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

116
Lib/test/test_sre.py
View File

@ -1,116 +0,0 @@
# SRE test harness for the Python regression suite
# this is based on test_re.py, but uses a test function instead
# of all those asserts
import sys
sys.path=['.']+sys.path
from test.test_support import verbose, TestFailed, have_unicode
import sre
import sys, os, string, traceback
#
# test support
def test(expression, result, exception=None):
try:
r = eval(expression)
except:
if exception:
if not isinstance(sys.exc_value, exception):
print expression, "FAILED"
# display name, not actual value
if exception is sre.error:
print "expected", "sre.error"
else:
print "expected", exception.__name__
print "got", sys.exc_type.__name__, str(sys.exc_value)
else:
print expression, "FAILED"
traceback.print_exc(file=sys.stdout)
else:
if exception:
print expression, "FAILED"
if exception is sre.error:
print "expected", "sre.error"
else:
print "expected", exception.__name__
print "got result", repr(r)
else:
if r != result:
print expression, "FAILED"
print "expected", repr(result)
print "got result", repr(r)
if verbose:
print 'Running tests on character literals'
#
# Misc tests from Tim Peters' re.doc
if verbose:
print 'Running tests on sre.search and sre.match'
test(r"""sre.search(r'x*', 'axx').span(0)""", (0, 0))
test(r"""sre.search(r'x*', 'axx').span()""", (0, 0))
test(r"""sre.search(r'x+', 'axx').span(0)""", (1, 3))
test(r"""sre.search(r'x+', 'axx').span()""", (1, 3))
test(r"""sre.search(r'x', 'aaa')""", None)
test(r"""sre.match(r'a*', 'xxx').span(0)""", (0, 0))
test(r"""sre.match(r'a*', 'xxx').span()""", (0, 0))
test(r"""sre.match(r'x*', 'xxxa').span(0)""", (0, 3))
test(r"""sre.match(r'x*', 'xxxa').span()""", (0, 3))
test(r"""sre.match(r'a+', 'xxx')""", None)
if verbose:
print "Running tests on sre.findall"
test(r"""sre.findall(r":+", "abc")""", [])
test(r"""sre.findall(r":+", "a:b::c:::d")""", [":", "::", ":::"])
test(r"""sre.findall(r"(:+)", "a:b::c:::d")""", [":", "::", ":::"])
test(r"""sre.findall(r"(:)(:*)", "a:b::c:::d")""",
[(":", ""), (":", ":"), (":", "::")])
test(r"""sre.findall(r"(a)|(b)", "abc")""", [("a", ""), ("", "b")])
# bug 117612
test(r"""sre.findall(r"(a|(b))", "aba")""", [("a", ""),("b", "b"),("a", "")])
if sys.hexversion >= 0x02020000:
if verbose:
print "Running tests on sre.finditer"
def fixup(seq):
# convert iterator to list
if not hasattr(seq, "next") or not hasattr(seq, "__iter__"):
print "finditer returned", type(seq)
return map(lambda item: item.group(0), seq)
# sanity
test(r"""fixup(sre.finditer(r":+", "a:b::c:::d"))""", [":", "::", ":::"])
if verbose:
print "Running tests on sre.match"
test(r"""sre.match(r'a', 'a').groups()""", ())
test(r"""sre.match(r'(a)', 'a').groups()""", ('a',))
test(r"""sre.match(r'(a)', 'a').group(0)""", 'a')
test(r"""sre.match(r'(a)', 'a').group(1)""", 'a')
test(r"""sre.match(r'(a)', 'a').group(1, 1)""", ('a', 'a'))
pat = sre.compile(r'((a)|(b))(c)?')
test(r"""pat.match('a').groups()""", ('a', 'a', None, None))
test(r"""pat.match('b').groups()""", ('b', None, 'b', None))
test(r"""pat.match('ac').groups()""", ('a', 'a', None, 'c'))
test(r"""pat.match('bc').groups()""", ('b', None, 'b', 'c'))
test(r"""pat.match('bc').groups("")""", ('b', "", 'b', 'c'))
pat = sre.compile(r'(?:(?P<a1>a)|(?P<b2>b))(?P<c3>c)?')
test(r"""pat.match('a').group(1, 2, 3)""", ('a', None, None))
test(r"""pat.match('b').group('a1', 'b2', 'c3')""", (None, 'b', None))
test(r"""pat.match('ac').group(1, 'b2', 3)""", ('a', None, 'c'))
# bug 448951 (similar to 429357, but with single char match)
# (Also test greedy matches.)
for op in '','?','*':
test(r"""sre.match(r'((.%s):)?z', 'z').groups()"""%op, (None, None))
test(r"""sre.match(r'((.%s):)?z', 'a:z').groups()"""%op, ('a:', 'a'))