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#!/usr/bin/env python
import unittest
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
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()
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 + $b ]
"""
fd.write(script)
fd.close()
tcl.evalfile(filename)
os.remove(filename)
self.assertEqual(tcl.eval('set a'),'1')
self.assertEqual(tcl.eval('set b'),'2')
self.assertEqual(tcl.eval('set c'),'3')
def testEvalFileException(self):
tcl = self.interp
filename = "doesnotexists"
try:
os.remove(filename)
except Exception,e:
pass
self.assertRaises(TclError,tcl.evalfile,filename)
def testPackageRequireException(self):
tcl = self.interp
self.assertRaises(TclError,tcl.eval,'package require DNE')
def testLoadWithUNC(self):
import sys
if sys.platform != 'win32':
return
# Build a UNC path from the regular path.
# Something like
# \\%COMPUTERNAME%\c$\python27\python.exe
fullname = os.path.abspath(sys.executable)
if fullname[1] != ':':
return
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,)
p = Popen(cmd, stdout=PIPE, stderr=PIPE)
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_passing_values(self):
def passValue(value):
return self.interp.call('set', '_', value)
self.assertEqual(passValue(True), True)
self.assertEqual(passValue(False), False)
self.assertEqual(passValue('string'), 'string')
self.assertEqual(passValue('string\u20ac'), 'string\u20ac')
self.assertEqual(passValue(u'string'), u'string')
self.assertEqual(passValue(u'string\u20ac'), u'string\u20ac')
for i in (0, 1, -1, int(2**31-1), int(-2**31)):
self.assertEqual(passValue(i), 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):
self.assertEqual(passValue(f), f)
for f in float('nan'), float('inf'), -float('inf'):
if f != f: # NaN
self.assertNotEqual(passValue(f), f)
else:
self.assertEqual(passValue(f), f)
self.assertEqual(passValue((1, '2', (3.4,))), (1, '2', (3.4,)))
def test_main():
test_support.run_unittest(TclTest, TkinterTest)
if __name__ == "__main__":
test_main()
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