/usr/lib/python2.7/test/test_tcl.py is in libpython2.7-testsuite 2.7.6-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import sys
import os
from test import test_support
from subprocess import Popen, PIPE
# Skip this test if the _tkinter module wasn't built.
_tkinter = test_support.import_module('_tkinter')
from Tkinter import Tcl
from _tkinter import TclError
try:
from _testcapi import INT_MAX, PY_SSIZE_T_MAX
except ImportError:
INT_MAX = PY_SSIZE_T_MAX = sys.maxsize
tcl_version = _tkinter.TCL_VERSION.split('.')
try:
for i in range(len(tcl_version)):
tcl_version[i] = int(tcl_version[i])
except ValueError:
pass
tcl_version = tuple(tcl_version)
_tk_patchlevel = None
def get_tk_patchlevel():
global _tk_patchlevel
if _tk_patchlevel is None:
tcl = Tcl()
patchlevel = []
for x in tcl.call('info', 'patchlevel').split('.'):
try:
x = int(x, 10)
except ValueError:
x = -1
patchlevel.append(x)
_tk_patchlevel = tuple(patchlevel)
return _tk_patchlevel
class TkinterTest(unittest.TestCase):
def testFlattenLen(self):
# flatten(<object with no length>)
self.assertRaises(TypeError, _tkinter._flatten, True)
class TclTest(unittest.TestCase):
def setUp(self):
self.interp = Tcl()
self.wantobjects = self.interp.tk.wantobjects()
def testEval(self):
tcl = self.interp
tcl.eval('set a 1')
self.assertEqual(tcl.eval('set a'),'1')
def testEvalException(self):
tcl = self.interp
self.assertRaises(TclError,tcl.eval,'set a')
def testEvalException2(self):
tcl = self.interp
self.assertRaises(TclError,tcl.eval,'this is wrong')
def testCall(self):
tcl = self.interp
tcl.call('set','a','1')
self.assertEqual(tcl.call('set','a'),'1')
def testCallException(self):
tcl = self.interp
self.assertRaises(TclError,tcl.call,'set','a')
def testCallException2(self):
tcl = self.interp
self.assertRaises(TclError,tcl.call,'this','is','wrong')
def testSetVar(self):
tcl = self.interp
tcl.setvar('a','1')
self.assertEqual(tcl.eval('set a'),'1')
def testSetVarArray(self):
tcl = self.interp
tcl.setvar('a(1)','1')
self.assertEqual(tcl.eval('set a(1)'),'1')
def testGetVar(self):
tcl = self.interp
tcl.eval('set a 1')
self.assertEqual(tcl.getvar('a'),'1')
def testGetVarArray(self):
tcl = self.interp
tcl.eval('set a(1) 1')
self.assertEqual(tcl.getvar('a(1)'),'1')
def testGetVarException(self):
tcl = self.interp
self.assertRaises(TclError,tcl.getvar,'a')
def testGetVarArrayException(self):
tcl = self.interp
self.assertRaises(TclError,tcl.getvar,'a(1)')
def testUnsetVar(self):
tcl = self.interp
tcl.setvar('a',1)
self.assertEqual(tcl.eval('info exists a'),'1')
tcl.unsetvar('a')
self.assertEqual(tcl.eval('info exists a'),'0')
def testUnsetVarArray(self):
tcl = self.interp
tcl.setvar('a(1)',1)
tcl.setvar('a(2)',2)
self.assertEqual(tcl.eval('info exists a(1)'),'1')
self.assertEqual(tcl.eval('info exists a(2)'),'1')
tcl.unsetvar('a(1)')
self.assertEqual(tcl.eval('info exists a(1)'),'0')
self.assertEqual(tcl.eval('info exists a(2)'),'1')
def testUnsetVarException(self):
tcl = self.interp
self.assertRaises(TclError,tcl.unsetvar,'a')
def testEvalFile(self):
tcl = self.interp
filename = "testEvalFile.tcl"
fd = open(filename,'w')
script = """set a 1
set b 2
set c [ expr $a + $b ]
"""
fd.write(script)
fd.close()
tcl.evalfile(filename)
os.remove(filename)
self.assertEqual(tcl.eval('set a'),'1')
self.assertEqual(tcl.eval('set b'),'2')
self.assertEqual(tcl.eval('set c'),'3')
def test_evalfile_null_in_result(self):
tcl = self.interp
with open(test_support.TESTFN, 'wb') as f:
self.addCleanup(test_support.unlink, test_support.TESTFN)
f.write("""
set a "a\0b"
set b "a\\0b"
""")
tcl.evalfile(test_support.TESTFN)
self.assertEqual(tcl.eval('set a'), 'a\xc0\x80b')
self.assertEqual(tcl.eval('set b'), 'a\xc0\x80b')
def testEvalFileException(self):
tcl = self.interp
filename = "doesnotexists"
try:
os.remove(filename)
except Exception,e:
pass
self.assertRaises(TclError,tcl.evalfile,filename)
def testPackageRequireException(self):
tcl = self.interp
self.assertRaises(TclError,tcl.eval,'package require DNE')
@unittest.skipUnless(sys.platform == 'win32', "only applies to Windows")
def testLoadWithUNC(self):
# Build a UNC path from the regular path.
# Something like
# \\%COMPUTERNAME%\c$\python27\python.exe
fullname = os.path.abspath(sys.executable)
if fullname[1] != ':':
self.skipTest('unusable path: %r' % fullname)
unc_name = r'\\%s\%s$\%s' % (os.environ['COMPUTERNAME'],
fullname[0],
fullname[3:])
with test_support.EnvironmentVarGuard() as env:
env.unset("TCL_LIBRARY")
cmd = '%s -c "import Tkinter; print Tkinter"' % (unc_name,)
try:
p = Popen(cmd, stdout=PIPE, stderr=PIPE)
except WindowsError as e:
if e.winerror == 5:
self.skipTest('Not permitted to start the child process')
else:
raise
out_data, err_data = p.communicate()
msg = '\n\n'.join(['"Tkinter.py" not in output',
'Command:', cmd,
'stdout:', out_data,
'stderr:', err_data])
self.assertIn('Tkinter.py', out_data, msg)
self.assertEqual(p.wait(), 0, 'Non-zero exit code')
def test_exprstring(self):
tcl = self.interp
tcl.call('set', 'a', 3)
tcl.call('set', 'b', 6)
def check(expr, expected):
result = tcl.exprstring(expr)
self.assertEqual(result, expected)
self.assertIsInstance(result, str)
self.assertRaises(TypeError, tcl.exprstring)
self.assertRaises(TypeError, tcl.exprstring, '8.2', '+6')
self.assertRaises(TclError, tcl.exprstring, 'spam')
check('', '0')
check('8.2 + 6', '14.2')
check('3.1 + $a', '6.1')
check('2 + "$a.$b"', '5.6')
check('4*[llength "6 2"]', '8')
check('{word one} < "word $a"', '0')
check('4*2 < 7', '0')
check('hypot($a, 4)', '5.0')
check('5 / 4', '1')
check('5 / 4.0', '1.25')
check('5 / ( [string length "abcd"] + 0.0 )', '1.25')
check('20.0/5.0', '4.0')
check('"0x03" > "2"', '1')
check('[string length "a\xc2\xbd\xe2\x82\xac"]', '3')
check(r'[string length "a\xbd\u20ac"]', '3')
check('"abc"', 'abc')
check('"a\xc2\xbd\xe2\x82\xac"', 'a\xc2\xbd\xe2\x82\xac')
check(r'"a\xbd\u20ac"', 'a\xc2\xbd\xe2\x82\xac')
check(r'"a\0b"', 'a\xc0\x80b')
if tcl_version >= (8, 5):
check('2**64', str(2**64))
def test_exprdouble(self):
tcl = self.interp
tcl.call('set', 'a', 3)
tcl.call('set', 'b', 6)
def check(expr, expected):
result = tcl.exprdouble(expr)
self.assertEqual(result, expected)
self.assertIsInstance(result, float)
self.assertRaises(TypeError, tcl.exprdouble)
self.assertRaises(TypeError, tcl.exprdouble, '8.2', '+6')
self.assertRaises(TclError, tcl.exprdouble, 'spam')
check('', 0.0)
check('8.2 + 6', 14.2)
check('3.1 + $a', 6.1)
check('2 + "$a.$b"', 5.6)
check('4*[llength "6 2"]', 8.0)
check('{word one} < "word $a"', 0.0)
check('4*2 < 7', 0.0)
check('hypot($a, 4)', 5.0)
check('5 / 4', 1.0)
check('5 / 4.0', 1.25)
check('5 / ( [string length "abcd"] + 0.0 )', 1.25)
check('20.0/5.0', 4.0)
check('"0x03" > "2"', 1.0)
check('[string length "a\xc2\xbd\xe2\x82\xac"]', 3.0)
check(r'[string length "a\xbd\u20ac"]', 3.0)
self.assertRaises(TclError, tcl.exprdouble, '"abc"')
if tcl_version >= (8, 5):
check('2**64', float(2**64))
def test_exprlong(self):
tcl = self.interp
tcl.call('set', 'a', 3)
tcl.call('set', 'b', 6)
def check(expr, expected):
result = tcl.exprlong(expr)
self.assertEqual(result, expected)
self.assertIsInstance(result, int)
self.assertRaises(TypeError, tcl.exprlong)
self.assertRaises(TypeError, tcl.exprlong, '8.2', '+6')
self.assertRaises(TclError, tcl.exprlong, 'spam')
check('', 0)
check('8.2 + 6', 14)
check('3.1 + $a', 6)
check('2 + "$a.$b"', 5)
check('4*[llength "6 2"]', 8)
check('{word one} < "word $a"', 0)
check('4*2 < 7', 0)
check('hypot($a, 4)', 5)
check('5 / 4', 1)
check('5 / 4.0', 1)
check('5 / ( [string length "abcd"] + 0.0 )', 1)
check('20.0/5.0', 4)
check('"0x03" > "2"', 1)
check('[string length "a\xc2\xbd\xe2\x82\xac"]', 3)
check(r'[string length "a\xbd\u20ac"]', 3)
self.assertRaises(TclError, tcl.exprlong, '"abc"')
if tcl_version >= (8, 5):
self.assertRaises(TclError, tcl.exprlong, '2**64')
def test_exprboolean(self):
tcl = self.interp
tcl.call('set', 'a', 3)
tcl.call('set', 'b', 6)
def check(expr, expected):
result = tcl.exprboolean(expr)
self.assertEqual(result, expected)
self.assertIsInstance(result, int)
self.assertNotIsInstance(result, bool)
self.assertRaises(TypeError, tcl.exprboolean)
self.assertRaises(TypeError, tcl.exprboolean, '8.2', '+6')
self.assertRaises(TclError, tcl.exprboolean, 'spam')
check('', False)
for value in ('0', 'false', 'no', 'off'):
check(value, False)
check('"%s"' % value, False)
check('{%s}' % value, False)
for value in ('1', 'true', 'yes', 'on'):
check(value, True)
check('"%s"' % value, True)
check('{%s}' % value, True)
check('8.2 + 6', True)
check('3.1 + $a', True)
check('2 + "$a.$b"', True)
check('4*[llength "6 2"]', True)
check('{word one} < "word $a"', False)
check('4*2 < 7', False)
check('hypot($a, 4)', True)
check('5 / 4', True)
check('5 / 4.0', True)
check('5 / ( [string length "abcd"] + 0.0 )', True)
check('20.0/5.0', True)
check('"0x03" > "2"', True)
check('[string length "a\xc2\xbd\xe2\x82\xac"]', True)
check(r'[string length "a\xbd\u20ac"]', True)
self.assertRaises(TclError, tcl.exprboolean, '"abc"')
if tcl_version >= (8, 5):
check('2**64', True)
def test_passing_values(self):
def passValue(value):
return self.interp.call('set', '_', value)
self.assertEqual(passValue(True), True if self.wantobjects else '1')
self.assertEqual(passValue(False), False if self.wantobjects else '0')
self.assertEqual(passValue('string'), 'string')
self.assertEqual(passValue('string\xbd'), 'string\xbd')
self.assertEqual(passValue('string\xe2\x82\xac'), u'string\u20ac')
self.assertEqual(passValue(u'string'), u'string')
self.assertEqual(passValue(u'string\xbd'), u'string\xbd')
self.assertEqual(passValue(u'string\u20ac'), u'string\u20ac')
self.assertEqual(passValue('str\x00ing'), 'str\x00ing')
self.assertEqual(passValue('str\xc0\x80ing'), 'str\x00ing')
self.assertEqual(passValue(u'str\x00ing'), u'str\x00ing')
self.assertEqual(passValue(u'str\x00ing\xbd'), u'str\x00ing\xbd')
self.assertEqual(passValue(u'str\x00ing\u20ac'), u'str\x00ing\u20ac')
for i in (0, 1, -1, int(2**31-1), int(-2**31)):
self.assertEqual(passValue(i), i if self.wantobjects else str(i))
for f in (0.0, 1.0, -1.0, 1//3, 1/3.0,
sys.float_info.min, sys.float_info.max,
-sys.float_info.min, -sys.float_info.max):
if self.wantobjects:
self.assertEqual(passValue(f), f)
else:
self.assertEqual(float(passValue(f)), f)
if self.wantobjects:
f = passValue(float('nan'))
self.assertNotEqual(f, f)
self.assertEqual(passValue(float('inf')), float('inf'))
self.assertEqual(passValue(-float('inf')), -float('inf'))
else:
f = float(passValue(float('nan')))
self.assertNotEqual(f, f)
self.assertEqual(float(passValue(float('inf'))), float('inf'))
self.assertEqual(float(passValue(-float('inf'))), -float('inf'))
self.assertEqual(passValue((1, '2', (3.4,))),
(1, '2', (3.4,)) if self.wantobjects else '1 2 3.4')
def test_user_command(self):
result = []
def testfunc(arg):
result.append(arg)
return arg
self.interp.createcommand('testfunc', testfunc)
self.addCleanup(self.interp.tk.deletecommand, 'testfunc')
def check(value, expected, expected2=None, eq=self.assertEqual):
if expected2 is None:
expected2 = expected
del result[:]
r = self.interp.call('testfunc', value)
self.assertEqual(len(result), 1)
self.assertIsInstance(result[0], (str, unicode))
eq(result[0], expected2)
self.assertIsInstance(r, (str, unicode))
eq(r, expected2)
def float_eq(actual, expected):
expected = float(expected)
self.assertAlmostEqual(float(actual), expected,
delta=abs(expected) * 1e-10)
def nan_eq(actual, expected):
actual = float(actual)
self.assertNotEqual(actual, actual)
check(True, '1')
check(False, '0')
check('string', 'string')
check('string\xbd', 'string\xbd')
check('string\xe2\x82\xac', 'string\xe2\x82\xac', u'string\u20ac')
check(u'string', u'string')
check(u'string\xbd', 'string\xc2\xbd', u'string\xbd')
check(u'string\u20ac', 'string\xe2\x82\xac', u'string\u20ac')
check('str\xc0\x80ing', 'str\xc0\x80ing', u'str\x00ing')
check('str\xc0\x80ing\xe2\x82\xac', 'str\xc0\x80ing\xe2\x82\xac', u'str\x00ing\u20ac')
check(u'str\x00ing', 'str\xc0\x80ing', u'str\x00ing')
check(u'str\x00ing\xbd', 'str\xc0\x80ing\xc2\xbd', u'str\x00ing\xbd')
check(u'str\x00ing\u20ac', 'str\xc0\x80ing\xe2\x82\xac', u'str\x00ing\u20ac')
for i in (0, 1, -1, 2**31-1, -2**31):
check(i, str(i))
for f in (0.0, 1.0, -1.0):
check(f, repr(f))
for f in (1/3.0, sys.float_info.min, sys.float_info.max,
-sys.float_info.min, -sys.float_info.max):
check(f, f, eq=float_eq)
check(float('inf'), 'Inf', eq=float_eq)
check(-float('inf'), '-Inf', eq=float_eq)
check(float('nan'), 'NaN', eq=nan_eq)
check((), '')
check((1, (2,), (3, 4), '5 6', ()), '1 2 {3 4} {5 6} {}')
def test_splitlist(self):
splitlist = self.interp.tk.splitlist
call = self.interp.tk.call
self.assertRaises(TypeError, splitlist)
self.assertRaises(TypeError, splitlist, 'a', 'b')
self.assertRaises(TypeError, splitlist, 2)
testcases = [
('2', ('2',)),
('', ()),
('{}', ('',)),
('""', ('',)),
('a\n b\t\r c\n ', ('a', 'b', 'c')),
(u'a\n b\t\r c\n ', ('a', 'b', 'c')),
('a \xe2\x82\xac', ('a', '\xe2\x82\xac')),
(u'a \u20ac', ('a', '\xe2\x82\xac')),
('a\xc0\x80b c\xc0\x80d', ('a\xc0\x80b', 'c\xc0\x80d')),
('a {b c}', ('a', 'b c')),
(r'a b\ c', ('a', 'b c')),
(('a', 'b c'), ('a', 'b c')),
('a 2', ('a', '2')),
(('a', 2), ('a', 2)),
('a 3.4', ('a', '3.4')),
(('a', 3.4), ('a', 3.4)),
((), ()),
(call('list', 1, '2', (3.4,)),
(1, '2', (3.4,)) if self.wantobjects else
('1', '2', '3.4')),
]
if tcl_version >= (8, 5):
if not self.wantobjects:
expected = ('12', '\xe2\x82\xac', '\xe2\x82\xac', '3.4')
elif get_tk_patchlevel() < (8, 5, 5):
# Before 8.5.5 dicts were converted to lists through string
expected = ('12', u'\u20ac', u'\u20ac', '3.4')
else:
expected = (12, u'\u20ac', u'\u20ac', (3.4,))
testcases += [
(call('dict', 'create', 12, u'\u20ac', '\xe2\x82\xac', (3.4,)),
expected),
]
for arg, res in testcases:
self.assertEqual(splitlist(arg), res)
self.assertRaises(TclError, splitlist, '{')
def test_split(self):
split = self.interp.tk.split
call = self.interp.tk.call
self.assertRaises(TypeError, split)
self.assertRaises(TypeError, split, 'a', 'b')
self.assertRaises(TypeError, split, 2)
testcases = [
('2', '2'),
('', ''),
('{}', ''),
('""', ''),
('{', '{'),
('a\n b\t\r c\n ', ('a', 'b', 'c')),
(u'a\n b\t\r c\n ', ('a', 'b', 'c')),
('a \xe2\x82\xac', ('a', '\xe2\x82\xac')),
(u'a \u20ac', ('a', '\xe2\x82\xac')),
('a\xc0\x80b', 'a\xc0\x80b'),
('a\xc0\x80b c\xc0\x80d', ('a\xc0\x80b', 'c\xc0\x80d')),
('a {b c}', ('a', ('b', 'c'))),
(r'a b\ c', ('a', ('b', 'c'))),
(('a', 'b c'), ('a', ('b', 'c'))),
(('a', u'b c'), ('a', ('b', 'c'))),
('a 2', ('a', '2')),
(('a', 2), ('a', 2)),
('a 3.4', ('a', '3.4')),
(('a', 3.4), ('a', 3.4)),
(('a', (2, 3.4)), ('a', (2, 3.4))),
((), ()),
(call('list', 1, '2', (3.4,)),
(1, '2', (3.4,)) if self.wantobjects else
('1', '2', '3.4')),
]
if tcl_version >= (8, 5):
if not self.wantobjects:
expected = ('12', '\xe2\x82\xac', '\xe2\x82\xac', '3.4')
elif get_tk_patchlevel() < (8, 5, 5):
# Before 8.5.5 dicts were converted to lists through string
expected = ('12', u'\u20ac', u'\u20ac', '3.4')
else:
expected = (12, u'\u20ac', u'\u20ac', (3.4,))
testcases += [
(call('dict', 'create', 12, u'\u20ac', '\xe2\x82\xac', (3.4,)),
expected),
]
for arg, res in testcases:
self.assertEqual(split(arg), res)
class BigmemTclTest(unittest.TestCase):
def setUp(self):
self.interp = Tcl()
@test_support.cpython_only
@unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX, "needs UINT_MAX < SIZE_MAX")
@test_support.precisionbigmemtest(size=INT_MAX + 1, memuse=5, dry_run=False)
def test_huge_string(self, size):
value = ' ' * size
self.assertRaises(OverflowError, self.interp.call, 'set', '_', value)
def setUpModule():
if test_support.verbose:
tcl = Tcl()
print 'patchlevel =', tcl.call('info', 'patchlevel')
def test_main():
test_support.run_unittest(TclTest, TkinterTest, BigmemTclTest)
if __name__ == "__main__":
test_main()
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