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Changed test so it no longer runs as a side effect of importing.

This commit is contained in:
Jerry Seutter 2008-03-26 05:32:51 +00:00
parent 22b3e3aff8
commit 9f7af8d4da
1 changed files with 222 additions and 209 deletions
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431
Lib/test/test_format.py
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@ -1,7 +1,9 @@
from test.test_support import verbose, have_unicode, TestFailed
import sys import sys
from test.test_support import MAX_Py_ssize_t from test.test_support import verbose, have_unicode, TestFailed
maxsize = MAX_Py_ssize_t import test.test_support as test_support
import unittest
maxsize = test_support.MAX_Py_ssize_t
# test string formatting operator (I am not sure if this is being tested # test string formatting operator (I am not sure if this is being tested
# elsewhere but, surely, some of the given cases are *not* tested because # elsewhere but, surely, some of the given cases are *not* tested because
@ -11,6 +13,7 @@ maxsize = MAX_Py_ssize_t
overflowok = 1 overflowok = 1
overflowrequired = 0 overflowrequired = 0
def testformat(formatstr, args, output=None, limit=None): def testformat(formatstr, args, output=None, limit=None):
if verbose: if verbose:
if output: if output:
@ -51,232 +54,242 @@ def testformat(formatstr, args, output=None, limit=None):
if verbose: if verbose:
print 'yes' print 'yes'
def testboth(formatstr, *args): def testboth(formatstr, *args):
testformat(formatstr, *args) testformat(formatstr, *args)
if have_unicode: if have_unicode:
testformat(unicode(formatstr), *args) testformat(unicode(formatstr), *args)
testboth("%.1d", (1,), "1") class FormatTest(unittest.TestCase):
testboth("%.*d", (sys.maxint,1)) # expect overflow def test_format(self):
testboth("%.100d", (1,), '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001') testboth("%.1d", (1,), "1")
testboth("%#.117x", (1,), '0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001') testboth("%.*d", (sys.maxint,1)) # expect overflow
testboth("%#.118x", (1,), '0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001') testboth("%.100d", (1,), '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
testboth("%#.117x", (1,), '0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
testboth("%#.118x", (1,), '0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
testboth("%f", (1.0,), "1.000000") testboth("%f", (1.0,), "1.000000")
# these are trying to test the limits of the internal magic-number-length # these are trying to test the limits of the internal magic-number-length
# formatting buffer, if that number changes then these tests are less # formatting buffer, if that number changes then these tests are less
# effective # effective
testboth("%#.*g", (109, -1.e+49/3.)) testboth("%#.*g", (109, -1.e+49/3.))
testboth("%#.*g", (110, -1.e+49/3.)) testboth("%#.*g", (110, -1.e+49/3.))
testboth("%#.*g", (110, -1.e+100/3.)) testboth("%#.*g", (110, -1.e+100/3.))
# test some ridiculously large precision, expect overflow # test some ridiculously large precision, expect overflow
testboth('%12.*f', (123456, 1.0)) testboth('%12.*f', (123456, 1.0))
# check for internal overflow validation on length of precision # check for internal overflow validation on length of precision
overflowrequired = 1 overflowrequired = 1
testboth("%#.*g", (110, -1.e+100/3.)) testboth("%#.*g", (110, -1.e+100/3.))
testboth("%#.*G", (110, -1.e+100/3.)) testboth("%#.*G", (110, -1.e+100/3.))
testboth("%#.*f", (110, -1.e+100/3.)) testboth("%#.*f", (110, -1.e+100/3.))
testboth("%#.*F", (110, -1.e+100/3.)) testboth("%#.*F", (110, -1.e+100/3.))
overflowrequired = 0 overflowrequired = 0
# Formatting of long integers. Overflow is not ok # Formatting of long integers. Overflow is not ok
overflowok = 0 overflowok = 0
testboth("%x", 10L, "a") testboth("%x", 10L, "a")
testboth("%x", 100000000000L, "174876e800") testboth("%x", 100000000000L, "174876e800")
testboth("%o", 10L, "12") testboth("%o", 10L, "12")
testboth("%o", 100000000000L, "1351035564000") testboth("%o", 100000000000L, "1351035564000")
testboth("%d", 10L, "10") testboth("%d", 10L, "10")
testboth("%d", 100000000000L, "100000000000") testboth("%d", 100000000000L, "100000000000")
big = 123456789012345678901234567890L big = 123456789012345678901234567890L
testboth("%d", big, "123456789012345678901234567890") testboth("%d", big, "123456789012345678901234567890")
testboth("%d", -big, "-123456789012345678901234567890") testboth("%d", -big, "-123456789012345678901234567890")
testboth("%5d", -big, "-123456789012345678901234567890") testboth("%5d", -big, "-123456789012345678901234567890")
testboth("%31d", -big, "-123456789012345678901234567890") testboth("%31d", -big, "-123456789012345678901234567890")
testboth("%32d", -big, " -123456789012345678901234567890") testboth("%32d", -big, " -123456789012345678901234567890")
testboth("%-32d", -big, "-123456789012345678901234567890 ") testboth("%-32d", -big, "-123456789012345678901234567890 ")
testboth("%032d", -big, "-0123456789012345678901234567890") testboth("%032d", -big, "-0123456789012345678901234567890")
testboth("%-032d", -big, "-123456789012345678901234567890 ") testboth("%-032d", -big, "-123456789012345678901234567890 ")
testboth("%034d", -big, "-000123456789012345678901234567890") testboth("%034d", -big, "-000123456789012345678901234567890")
testboth("%034d", big, "0000123456789012345678901234567890") testboth("%034d", big, "0000123456789012345678901234567890")
testboth("%0+34d", big, "+000123456789012345678901234567890") testboth("%0+34d", big, "+000123456789012345678901234567890")
testboth("%+34d", big, " +123456789012345678901234567890") testboth("%+34d", big, " +123456789012345678901234567890")
testboth("%34d", big, " 123456789012345678901234567890") testboth("%34d", big, " 123456789012345678901234567890")
testboth("%.2d", big, "123456789012345678901234567890") testboth("%.2d", big, "123456789012345678901234567890")
testboth("%.30d", big, "123456789012345678901234567890") testboth("%.30d", big, "123456789012345678901234567890")
testboth("%.31d", big, "0123456789012345678901234567890") testboth("%.31d", big, "0123456789012345678901234567890")
testboth("%32.31d", big, " 0123456789012345678901234567890") testboth("%32.31d", big, " 0123456789012345678901234567890")
testboth("%d", float(big), "123456________________________", 6) testboth("%d", float(big), "123456________________________", 6)
big = 0x1234567890abcdef12345L # 21 hex digits big = 0x1234567890abcdef12345L # 21 hex digits
testboth("%x", big, "1234567890abcdef12345") testboth("%x", big, "1234567890abcdef12345")
testboth("%x", -big, "-1234567890abcdef12345") testboth("%x", -big, "-1234567890abcdef12345")
testboth("%5x", -big, "-1234567890abcdef12345") testboth("%5x", -big, "-1234567890abcdef12345")
testboth("%22x", -big, "-1234567890abcdef12345") testboth("%22x", -big, "-1234567890abcdef12345")
testboth("%23x", -big, " -1234567890abcdef12345") testboth("%23x", -big, " -1234567890abcdef12345")
testboth("%-23x", -big, "-1234567890abcdef12345 ") testboth("%-23x", -big, "-1234567890abcdef12345 ")
testboth("%023x", -big, "-01234567890abcdef12345") testboth("%023x", -big, "-01234567890abcdef12345")
testboth("%-023x", -big, "-1234567890abcdef12345 ") testboth("%-023x", -big, "-1234567890abcdef12345 ")
testboth("%025x", -big, "-0001234567890abcdef12345") testboth("%025x", -big, "-0001234567890abcdef12345")
testboth("%025x", big, "00001234567890abcdef12345") testboth("%025x", big, "00001234567890abcdef12345")
testboth("%0+25x", big, "+0001234567890abcdef12345") testboth("%0+25x", big, "+0001234567890abcdef12345")
testboth("%+25x", big, " +1234567890abcdef12345") testboth("%+25x", big, " +1234567890abcdef12345")
testboth("%25x", big, " 1234567890abcdef12345") testboth("%25x", big, " 1234567890abcdef12345")
testboth("%.2x", big, "1234567890abcdef12345") testboth("%.2x", big, "1234567890abcdef12345")
testboth("%.21x", big, "1234567890abcdef12345") testboth("%.21x", big, "1234567890abcdef12345")
testboth("%.22x", big, "01234567890abcdef12345") testboth("%.22x", big, "01234567890abcdef12345")
testboth("%23.22x", big, " 01234567890abcdef12345") testboth("%23.22x", big, " 01234567890abcdef12345")
testboth("%-23.22x", big, "01234567890abcdef12345 ") testboth("%-23.22x", big, "01234567890abcdef12345 ")
testboth("%X", big, "1234567890ABCDEF12345") testboth("%X", big, "1234567890ABCDEF12345")
testboth("%#X", big, "0X1234567890ABCDEF12345") testboth("%#X", big, "0X1234567890ABCDEF12345")
testboth("%#x", big, "0x1234567890abcdef12345") testboth("%#x", big, "0x1234567890abcdef12345")
testboth("%#x", -big, "-0x1234567890abcdef12345") testboth("%#x", -big, "-0x1234567890abcdef12345")
testboth("%#.23x", -big, "-0x001234567890abcdef12345") testboth("%#.23x", -big, "-0x001234567890abcdef12345")
testboth("%#+.23x", big, "+0x001234567890abcdef12345") testboth("%#+.23x", big, "+0x001234567890abcdef12345")
testboth("%# .23x", big, " 0x001234567890abcdef12345") testboth("%# .23x", big, " 0x001234567890abcdef12345")
testboth("%#+.23X", big, "+0X001234567890ABCDEF12345") testboth("%#+.23X", big, "+0X001234567890ABCDEF12345")
testboth("%#-+.23X", big, "+0X001234567890ABCDEF12345") testboth("%#-+.23X", big, "+0X001234567890ABCDEF12345")
testboth("%#-+26.23X", big, "+0X001234567890ABCDEF12345") testboth("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
testboth("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ") testboth("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345") testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")
# next one gets two leading zeroes from precision, and another from the # next one gets two leading zeroes from precision, and another from the
# 0 flag and the width # 0 flag and the width
testboth("%#+027.23X", big, "+0X0001234567890ABCDEF12345") testboth("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
# same, except no 0 flag # same, except no 0 flag
testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345") testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")
testboth("%x", float(big), "123456_______________", 6) testboth("%x", float(big), "123456_______________", 6)
big = 012345670123456701234567012345670L # 32 octal digits big = 012345670123456701234567012345670L # 32 octal digits
testboth("%o", big, "12345670123456701234567012345670") testboth("%o", big, "12345670123456701234567012345670")
testboth("%o", -big, "-12345670123456701234567012345670") testboth("%o", -big, "-12345670123456701234567012345670")
testboth("%5o", -big, "-12345670123456701234567012345670") testboth("%5o", -big, "-12345670123456701234567012345670")
testboth("%33o", -big, "-12345670123456701234567012345670") testboth("%33o", -big, "-12345670123456701234567012345670")
testboth("%34o", -big, " -12345670123456701234567012345670") testboth("%34o", -big, " -12345670123456701234567012345670")
testboth("%-34o", -big, "-12345670123456701234567012345670 ") testboth("%-34o", -big, "-12345670123456701234567012345670 ")
testboth("%034o", -big, "-012345670123456701234567012345670") testboth("%034o", -big, "-012345670123456701234567012345670")
testboth("%-034o", -big, "-12345670123456701234567012345670 ") testboth("%-034o", -big, "-12345670123456701234567012345670 ")
testboth("%036o", -big, "-00012345670123456701234567012345670") testboth("%036o", -big, "-00012345670123456701234567012345670")
testboth("%036o", big, "000012345670123456701234567012345670") testboth("%036o", big, "000012345670123456701234567012345670")
testboth("%0+36o", big, "+00012345670123456701234567012345670") testboth("%0+36o", big, "+00012345670123456701234567012345670")
testboth("%+36o", big, " +12345670123456701234567012345670") testboth("%+36o", big, " +12345670123456701234567012345670")
testboth("%36o", big, " 12345670123456701234567012345670") testboth("%36o", big, " 12345670123456701234567012345670")
testboth("%.2o", big, "12345670123456701234567012345670") testboth("%.2o", big, "12345670123456701234567012345670")
testboth("%.32o", big, "12345670123456701234567012345670") testboth("%.32o", big, "12345670123456701234567012345670")
testboth("%.33o", big, "012345670123456701234567012345670") testboth("%.33o", big, "012345670123456701234567012345670")
testboth("%34.33o", big, " 012345670123456701234567012345670") testboth("%34.33o", big, " 012345670123456701234567012345670")
testboth("%-34.33o", big, "012345670123456701234567012345670 ") testboth("%-34.33o", big, "012345670123456701234567012345670 ")
testboth("%o", big, "12345670123456701234567012345670") testboth("%o", big, "12345670123456701234567012345670")
testboth("%#o", big, "012345670123456701234567012345670") testboth("%#o", big, "012345670123456701234567012345670")
testboth("%#o", -big, "-012345670123456701234567012345670") testboth("%#o", -big, "-012345670123456701234567012345670")
testboth("%#.34o", -big, "-0012345670123456701234567012345670") testboth("%#.34o", -big, "-0012345670123456701234567012345670")
testboth("%#+.34o", big, "+0012345670123456701234567012345670") testboth("%#+.34o", big, "+0012345670123456701234567012345670")
testboth("%# .34o", big, " 0012345670123456701234567012345670") testboth("%# .34o", big, " 0012345670123456701234567012345670")
testboth("%#+.34o", big, "+0012345670123456701234567012345670") testboth("%#+.34o", big, "+0012345670123456701234567012345670")
testboth("%#-+.34o", big, "+0012345670123456701234567012345670") testboth("%#-+.34o", big, "+0012345670123456701234567012345670")
testboth("%#-+37.34o", big, "+0012345670123456701234567012345670 ") testboth("%#-+37.34o", big, "+0012345670123456701234567012345670 ")
testboth("%#+37.34o", big, " +0012345670123456701234567012345670") testboth("%#+37.34o", big, " +0012345670123456701234567012345670")
# next one gets one leading zero from precision # next one gets one leading zero from precision
testboth("%.33o", big, "012345670123456701234567012345670") testboth("%.33o", big, "012345670123456701234567012345670")
# base marker shouldn't change that, since "0" is redundant # base marker shouldn't change that, since "0" is redundant
testboth("%#.33o", big, "012345670123456701234567012345670") testboth("%#.33o", big, "012345670123456701234567012345670")
# but reduce precision, and base marker should add a zero # but reduce precision, and base marker should add a zero
testboth("%#.32o", big, "012345670123456701234567012345670") testboth("%#.32o", big, "012345670123456701234567012345670")
# one leading zero from precision, and another from "0" flag & width # one leading zero from precision, and another from "0" flag & width
testboth("%034.33o", big, "0012345670123456701234567012345670") testboth("%034.33o", big, "0012345670123456701234567012345670")
# base marker shouldn't change that # base marker shouldn't change that
testboth("%0#34.33o", big, "0012345670123456701234567012345670") testboth("%0#34.33o", big, "0012345670123456701234567012345670")
testboth("%o", float(big), "123456__________________________", 6) testboth("%o", float(big), "123456__________________________", 6)
# Some small ints, in both Python int and long flavors). # Some small ints, in both Python int and long flavors).
testboth("%d", 42, "42") testboth("%d", 42, "42")
testboth("%d", -42, "-42") testboth("%d", -42, "-42")
testboth("%d", 42L, "42") testboth("%d", 42L, "42")
testboth("%d", -42L, "-42") testboth("%d", -42L, "-42")
testboth("%d", 42.0, "42") testboth("%d", 42.0, "42")
testboth("%#x", 1, "0x1") testboth("%#x", 1, "0x1")
testboth("%#x", 1L, "0x1") testboth("%#x", 1L, "0x1")
testboth("%#X", 1, "0X1") testboth("%#X", 1, "0X1")
testboth("%#X", 1L, "0X1") testboth("%#X", 1L, "0X1")
testboth("%#x", 1.0, "0x1") testboth("%#x", 1.0, "0x1")
testboth("%#o", 1, "01") testboth("%#o", 1, "01")
testboth("%#o", 1L, "01") testboth("%#o", 1L, "01")
testboth("%#o", 0, "0") testboth("%#o", 0, "0")
testboth("%#o", 0L, "0") testboth("%#o", 0L, "0")
testboth("%o", 0, "0") testboth("%o", 0, "0")
testboth("%o", 0L, "0") testboth("%o", 0L, "0")
testboth("%d", 0, "0") testboth("%d", 0, "0")
testboth("%d", 0L, "0") testboth("%d", 0L, "0")
testboth("%#x", 0, "0x0") testboth("%#x", 0, "0x0")
testboth("%#x", 0L, "0x0") testboth("%#x", 0L, "0x0")
testboth("%#X", 0, "0X0") testboth("%#X", 0, "0X0")
testboth("%#X", 0L, "0X0") testboth("%#X", 0L, "0X0")
testboth("%x", 0x42, "42") testboth("%x", 0x42, "42")
testboth("%x", -0x42, "-42") testboth("%x", -0x42, "-42")
testboth("%x", 0x42L, "42") testboth("%x", 0x42L, "42")
testboth("%x", -0x42L, "-42") testboth("%x", -0x42L, "-42")
testboth("%x", float(0x42), "42") testboth("%x", float(0x42), "42")
testboth("%o", 042, "42") testboth("%o", 042, "42")
testboth("%o", -042, "-42") testboth("%o", -042, "-42")
testboth("%o", 042L, "42") testboth("%o", 042L, "42")
testboth("%o", -042L, "-42") testboth("%o", -042L, "-42")
testboth("%o", float(042), "42") testboth("%o", float(042), "42")
# Test exception for unknown format characters # Test exception for unknown format characters
if verbose: if verbose:
print 'Testing exceptions' print 'Testing exceptions'
def test_exc(formatstr, args, exception, excmsg): def test_exc(formatstr, args, exception, excmsg):
try: try:
testformat(formatstr, args) testformat(formatstr, args)
except exception, exc: except exception, exc:
if str(exc) == excmsg: if str(exc) == excmsg:
if verbose: if verbose:
print "yes" print "yes"
else: else:
if verbose: print 'no' if verbose: print 'no'
print 'Unexpected ', exception, ':', repr(str(exc)) print 'Unexpected ', exception, ':', repr(str(exc))
except: except:
if verbose: print 'no' if verbose: print 'no'
print 'Unexpected exception' print 'Unexpected exception'
raise raise
else: else:
raise TestFailed, 'did not get expected exception: %s' % excmsg raise TestFailed, 'did not get expected exception: %s' % excmsg
test_exc('abc %a', 1, ValueError, test_exc('abc %a', 1, ValueError,
"unsupported format character 'a' (0x61) at index 5") "unsupported format character 'a' (0x61) at index 5")
if have_unicode: if have_unicode:
test_exc(unicode('abc %\u3000','raw-unicode-escape'), 1, ValueError, test_exc(unicode('abc %\u3000','raw-unicode-escape'), 1, ValueError,
"unsupported format character '?' (0x3000) at index 5") "unsupported format character '?' (0x3000) at index 5")
test_exc('%d', '1', TypeError, "%d format: a number is required, not str") test_exc('%d', '1', TypeError, "%d format: a number is required, not str")
test_exc('%g', '1', TypeError, "float argument required, not str") test_exc('%g', '1', TypeError, "float argument required, not str")
test_exc('no format', '1', TypeError, test_exc('no format', '1', TypeError,
"not all arguments converted during string formatting") "not all arguments converted during string formatting")
test_exc('no format', u'1', TypeError, test_exc('no format', u'1', TypeError,
"not all arguments converted during string formatting") "not all arguments converted during string formatting")
test_exc(u'no format', '1', TypeError, test_exc(u'no format', '1', TypeError,
"not all arguments converted during string formatting") "not all arguments converted during string formatting")
test_exc(u'no format', u'1', TypeError, test_exc(u'no format', u'1', TypeError,
"not all arguments converted during string formatting") "not all arguments converted during string formatting")
class Foobar(long): class Foobar(long):
def __oct__(self): def __oct__(self):
# Returning a non-string should not blow up. # Returning a non-string should not blow up.
return self + 1 return self + 1
test_exc('%o', Foobar(), TypeError, test_exc('%o', Foobar(), TypeError,
"expected string or Unicode object, long found") "expected string or Unicode object, long found")
if maxsize == 2**31-1: if maxsize == 2**31-1:
# crashes 2.2.1 and earlier: # crashes 2.2.1 and earlier:
try: try:
"%*d"%(maxsize, -127) "%*d"%(maxsize, -127)
except MemoryError: except MemoryError:
pass pass
else: else:
raise TestFailed, '"%*d"%(maxsize, -127) should fail' raise TestFailed, '"%*d"%(maxsize, -127) should fail'
def test_main():
test_support.run_unittest(FormatTest)
if __name__ == "__main__":
unittest.main()