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Python Source  |  2005-10-18  |  4.6 KB  |  159 lines
  1. #!/usr/bin/env python
  2.  
  3. import unittest
  4. import os
  5. from test import test_support
  6. from Tkinter import Tcl
  7. from _tkinter import TclError
  8.  
  9. class TclTest(unittest.TestCase):
  10.  
  11.     def setUp(self):
  12.         self.interp = Tcl()
  13.  
  14.     def testEval(self):
  15.         tcl = self.interp
  16.         tcl.eval('set a 1')
  17.         self.assertEqual(tcl.eval('set a'),'1')
  18.  
  19.     def testEvalException(self):
  20.         tcl = self.interp
  21.         self.assertRaises(TclError,tcl.eval,'set a')
  22.  
  23.     def testEvalException2(self):
  24.         tcl = self.interp
  25.         self.assertRaises(TclError,tcl.eval,'this is wrong')
  26.  
  27.     def testCall(self):
  28.         tcl = self.interp
  29.         tcl.call('set','a','1')
  30.         self.assertEqual(tcl.call('set','a'),'1')
  31.  
  32.     def testCallException(self):
  33.         tcl = self.interp
  34.         self.assertRaises(TclError,tcl.call,'set','a')
  35.  
  36.     def testCallException2(self):
  37.         tcl = self.interp
  38.         self.assertRaises(TclError,tcl.call,'this','is','wrong')
  39.  
  40.     def testSetVar(self):
  41.         tcl = self.interp
  42.         tcl.setvar('a','1')
  43.         self.assertEqual(tcl.eval('set a'),'1')
  44.  
  45.     def testSetVarArray(self):
  46.         tcl = self.interp
  47.         tcl.setvar('a(1)','1')
  48.         self.assertEqual(tcl.eval('set a(1)'),'1')
  49.  
  50.     def testGetVar(self):
  51.         tcl = self.interp
  52.         tcl.eval('set a 1')
  53.         self.assertEqual(tcl.getvar('a'),'1')
  54.  
  55.     def testGetVarArray(self):
  56.         tcl = self.interp
  57.         tcl.eval('set a(1) 1')
  58.         self.assertEqual(tcl.getvar('a(1)'),'1')
  59.  
  60.     def testGetVarException(self):
  61.         tcl = self.interp
  62.         self.assertRaises(TclError,tcl.getvar,'a')
  63.  
  64.     def testGetVarArrayException(self):
  65.         tcl = self.interp
  66.         self.assertRaises(TclError,tcl.getvar,'a(1)')
  67.  
  68.     def testUnsetVar(self):
  69.         tcl = self.interp
  70.         tcl.setvar('a',1)
  71.         self.assertEqual(tcl.eval('info exists a'),'1')
  72.         tcl.unsetvar('a')
  73.         self.assertEqual(tcl.eval('info exists a'),'0')
  74.  
  75.     def testUnsetVarArray(self):
  76.         tcl = self.interp
  77.         tcl.setvar('a(1)',1)
  78.         tcl.setvar('a(2)',2)
  79.         self.assertEqual(tcl.eval('info exists a(1)'),'1')
  80.         self.assertEqual(tcl.eval('info exists a(2)'),'1')
  81.         tcl.unsetvar('a(1)')
  82.         self.assertEqual(tcl.eval('info exists a(1)'),'0')
  83.         self.assertEqual(tcl.eval('info exists a(2)'),'1')
  84.  
  85.     def testUnsetVarException(self):
  86.         tcl = self.interp
  87.         self.assertRaises(TclError,tcl.unsetvar,'a')
  88.  
  89.     def testEvalFile(self):
  90.         tcl = self.interp
  91.         filename = "testEvalFile.tcl"
  92.         fd = open(filename,'w')
  93.         script = """set a 1
  94.         set b 2
  95.         set c [ expr $a + $b ]
  96.         """
  97.         fd.write(script)
  98.         fd.close()
  99.         tcl.evalfile(filename)
  100.         os.remove(filename)
  101.         self.assertEqual(tcl.eval('set a'),'1')
  102.         self.assertEqual(tcl.eval('set b'),'2')
  103.         self.assertEqual(tcl.eval('set c'),'3')
  104.  
  105.     def testEvalFileException(self):
  106.         tcl = self.interp
  107.         filename = "doesnotexists"
  108.         try:
  109.             os.remove(filename)
  110.         except Exception,e:
  111.             pass
  112.         self.assertRaises(TclError,tcl.evalfile,filename)
  113.  
  114.     def testPackageRequireException(self):
  115.         tcl = self.interp
  116.         self.assertRaises(TclError,tcl.eval,'package require DNE')
  117.  
  118.     def testLoadTk(self):
  119.         import os
  120.         if 'DISPLAY' not in os.environ:
  121.             # skipping test of clean upgradeability
  122.             return
  123.         tcl = Tcl()
  124.         self.assertRaises(TclError,tcl.winfo_geometry)
  125.         tcl.loadtk()
  126.         self.assertEqual('1x1+0+0', tcl.winfo_geometry())
  127.  
  128.     def testLoadTkFailure(self):
  129.         import os
  130.         old_display = None
  131.         import sys
  132.         if (sys.platform.startswith('win') or
  133.                 sys.platform.startswith('darwin') or
  134.                 sys.platform.startswith('cygwin')):
  135.             return # no failure possible on windows?
  136.         if 'DISPLAY' in os.environ:
  137.             old_display = os.environ['DISPLAY']
  138.             del os.environ['DISPLAY']
  139.             # on some platforms, deleting environment variables
  140.             # doesn't actually carry through to the process level
  141.             # because they don't support unsetenv
  142.             # If that's the case, abort.
  143.             display = os.popen('echo $DISPLAY').read().strip()
  144.             if display:
  145.                 return
  146.         try:
  147.             tcl = Tcl()
  148.             self.assertRaises(TclError, tcl.winfo_geometry)
  149.             self.assertRaises(TclError, tcl.loadtk)
  150.         finally:
  151.             if old_display is not None:
  152.                 os.environ['DISPLAY'] = old_display
  153.  
  154. def test_main():
  155.     test_support.run_unittest(TclTest)
  156.  
  157. if __name__ == "__main__":
  158.     test_main()
  159.