Viewing file:  test_tcl.py (4.6 KB) -rw-r--r--
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#! /usr/bin/env python2.4
import unittest
import os
from test import test_support
from Tkinter import Tcl
from _tkinter import TclError
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 testLoadTk(self):
import os
if 'DISPLAY' not in os.environ:
# skipping test of clean upgradeability
return
tcl = Tcl()
self.assertRaises(TclError,tcl.winfo_geometry)
tcl.loadtk()
self.assertEqual('1x1+0+0', tcl.winfo_geometry())
def testLoadTkFailure(self):
import os
old_display = None
import sys
if (sys.platform.startswith('win') or
sys.platform.startswith('darwin') or
sys.platform.startswith('cygwin')):
return # no failure possible on windows?
if 'DISPLAY' in os.environ:
old_display = os.environ['DISPLAY']
del os.environ['DISPLAY']
# on some platforms, deleting environment variables
# doesn't actually carry through to the process level
# because they don't support unsetenv
# If that's the case, abort.
display = os.popen('echo $DISPLAY').read().strip()
if display:
return
try:
tcl = Tcl()
self.assertRaises(TclError, tcl.winfo_geometry)
self.assertRaises(TclError, tcl.loadtk)
finally:
if old_display is not None:
os.environ['DISPLAY'] = old_display
def test_main():
test_support.run_unittest(TclTest)
if __name__ == "__main__":
test_main()
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