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334 lines
11 KiB
Python
334 lines
11 KiB
Python
import unittest
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import sys
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import os
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import _testcapi
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from test import support
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# Skip this test if the _tkinter module wasn't built.
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_tkinter = support.import_module('_tkinter')
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# Make sure tkinter._fix runs to set up the environment
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support.import_fresh_module('tkinter')
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from tkinter import Tcl
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from _tkinter import TclError
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tcl_version = _tkinter.TCL_VERSION.split('.')
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try:
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for i in range(len(tcl_version)):
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tcl_version[i] = int(tcl_version[i])
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except ValueError:
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pass
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tcl_version = tuple(tcl_version)
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class TkinterTest(unittest.TestCase):
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def testFlattenLen(self):
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# flatten(<object with no length>)
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self.assertRaises(TypeError, _tkinter._flatten, True)
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class TclTest(unittest.TestCase):
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def setUp(self):
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self.interp = Tcl()
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self.wantobjects = self.interp.tk.wantobjects()
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def testEval(self):
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tcl = self.interp
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tcl.eval('set a 1')
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self.assertEqual(tcl.eval('set a'),'1')
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def testEvalException(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.eval,'set a')
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def testEvalException2(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.eval,'this is wrong')
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def testCall(self):
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tcl = self.interp
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tcl.call('set','a','1')
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self.assertEqual(tcl.call('set','a'),'1')
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def testCallException(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.call,'set','a')
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def testCallException2(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.call,'this','is','wrong')
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def testSetVar(self):
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tcl = self.interp
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tcl.setvar('a','1')
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self.assertEqual(tcl.eval('set a'),'1')
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def testSetVarArray(self):
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tcl = self.interp
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tcl.setvar('a(1)','1')
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self.assertEqual(tcl.eval('set a(1)'),'1')
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def testGetVar(self):
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tcl = self.interp
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tcl.eval('set a 1')
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self.assertEqual(tcl.getvar('a'),'1')
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def testGetVarArray(self):
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tcl = self.interp
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tcl.eval('set a(1) 1')
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self.assertEqual(tcl.getvar('a(1)'),'1')
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def testGetVarException(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.getvar,'a')
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def testGetVarArrayException(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.getvar,'a(1)')
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def testUnsetVar(self):
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tcl = self.interp
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tcl.setvar('a',1)
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self.assertEqual(tcl.eval('info exists a'),'1')
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tcl.unsetvar('a')
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self.assertEqual(tcl.eval('info exists a'),'0')
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def testUnsetVarArray(self):
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tcl = self.interp
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tcl.setvar('a(1)',1)
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tcl.setvar('a(2)',2)
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self.assertEqual(tcl.eval('info exists a(1)'),'1')
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self.assertEqual(tcl.eval('info exists a(2)'),'1')
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tcl.unsetvar('a(1)')
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self.assertEqual(tcl.eval('info exists a(1)'),'0')
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self.assertEqual(tcl.eval('info exists a(2)'),'1')
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def testUnsetVarException(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.unsetvar,'a')
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def testEvalFile(self):
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tcl = self.interp
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filename = "testEvalFile.tcl"
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fd = open(filename,'w')
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script = """set a 1
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set b 2
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set c [ expr $a + $b ]
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"""
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fd.write(script)
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fd.close()
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tcl.evalfile(filename)
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os.remove(filename)
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self.assertEqual(tcl.eval('set a'),'1')
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self.assertEqual(tcl.eval('set b'),'2')
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self.assertEqual(tcl.eval('set c'),'3')
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def testEvalFileException(self):
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tcl = self.interp
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filename = "doesnotexists"
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try:
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os.remove(filename)
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except Exception as e:
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pass
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self.assertRaises(TclError,tcl.evalfile,filename)
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def testPackageRequireException(self):
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tcl = self.interp
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self.assertRaises(TclError,tcl.eval,'package require DNE')
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@unittest.skipUnless(sys.platform == 'win32', 'Requires Windows')
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def testLoadWithUNC(self):
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# Build a UNC path from the regular path.
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# Something like
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# \\%COMPUTERNAME%\c$\python27\python.exe
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fullname = os.path.abspath(sys.executable)
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if fullname[1] != ':':
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raise unittest.SkipTest('Absolute path should have drive part')
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unc_name = r'\\%s\%s$\%s' % (os.environ['COMPUTERNAME'],
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fullname[0],
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fullname[3:])
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if not os.path.exists(unc_name):
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raise unittest.SkipTest('Cannot connect to UNC Path')
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with support.EnvironmentVarGuard() as env:
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env.unset("TCL_LIBRARY")
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f = os.popen('%s -c "import tkinter; print(tkinter)"' % (unc_name,))
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self.assertIn('tkinter', f.read())
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# exit code must be zero
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self.assertEqual(f.close(), None)
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def test_passing_values(self):
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def passValue(value):
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return self.interp.call('set', '_', value)
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self.assertEqual(passValue(True), True if self.wantobjects else '1')
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self.assertEqual(passValue(False), False if self.wantobjects else '0')
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self.assertEqual(passValue('string'), 'string')
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self.assertEqual(passValue('string\u20ac'), 'string\u20ac')
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for i in (0, 1, -1, 2**31-1, -2**31):
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self.assertEqual(passValue(i), i if self.wantobjects else str(i))
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for f in (0.0, 1.0, -1.0, 1/3,
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sys.float_info.min, sys.float_info.max,
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-sys.float_info.min, -sys.float_info.max):
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if self.wantobjects:
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self.assertEqual(passValue(f), f)
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else:
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self.assertEqual(float(passValue(f)), f)
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if self.wantobjects:
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f = passValue(float('nan'))
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self.assertNotEqual(f, f)
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self.assertEqual(passValue(float('inf')), float('inf'))
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self.assertEqual(passValue(-float('inf')), -float('inf'))
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else:
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f = float(passValue(float('nan')))
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self.assertNotEqual(f, f)
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self.assertEqual(float(passValue(float('inf'))), float('inf'))
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self.assertEqual(float(passValue(-float('inf'))), -float('inf'))
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self.assertEqual(passValue((1, '2', (3.4,))),
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(1, '2', (3.4,)) if self.wantobjects else '1 2 3.4')
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def test_user_command(self):
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result = None
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def testfunc(arg):
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nonlocal result
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result = arg
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return arg
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self.interp.createcommand('testfunc', testfunc)
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def check(value, expected, eq=self.assertEqual):
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r = self.interp.call('testfunc', value)
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self.assertIsInstance(result, str)
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eq(result, expected)
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self.assertIsInstance(r, str)
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eq(r, expected)
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def float_eq(actual, expected):
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expected = float(expected)
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self.assertAlmostEqual(float(actual), expected,
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delta=abs(expected) * 1e-10)
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def nan_eq(actual, expected):
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actual = float(actual)
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self.assertNotEqual(actual, actual)
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check(True, '1')
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check(False, '0')
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check('string', 'string')
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check('string\xbd', 'string\xbd')
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check('string\u20ac', 'string\u20ac')
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for i in (0, 1, -1, 2**31-1, -2**31):
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check(i, str(i))
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for f in (0.0, 1.0, -1.0):
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check(f, repr(f))
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for f in (1/3.0, sys.float_info.min, sys.float_info.max,
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-sys.float_info.min, -sys.float_info.max):
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check(f, f, eq=float_eq)
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check(float('inf'), 'Inf', eq=float_eq)
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check(-float('inf'), '-Inf', eq=float_eq)
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check(float('nan'), 'NaN', eq=nan_eq)
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check((), '')
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check((1, (2,), (3, 4), '5 6', ()), '1 2 {3 4} {5 6} {}')
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def test_splitlist(self):
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splitlist = self.interp.tk.splitlist
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call = self.interp.tk.call
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self.assertRaises(TypeError, splitlist)
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self.assertRaises(TypeError, splitlist, 'a', 'b')
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self.assertRaises(TypeError, splitlist, 2)
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testcases = [
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('2', ('2',)),
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('', ()),
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('{}', ('',)),
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('""', ('',)),
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('a\n b\t\r c\n ', ('a', 'b', 'c')),
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(b'a\n b\t\r c\n ', ('a', 'b', 'c')),
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('a \u20ac', ('a', '\u20ac')),
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(b'a \xe2\x82\xac', ('a', '\u20ac')),
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('a {b c}', ('a', 'b c')),
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(r'a b\ c', ('a', 'b c')),
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(('a', 'b c'), ('a', 'b c')),
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('a 2', ('a', '2')),
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(('a', 2), ('a', 2)),
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('a 3.4', ('a', '3.4')),
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(('a', 3.4), ('a', 3.4)),
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((), ()),
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(call('list', 1, '2', (3.4,)),
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(1, '2', (3.4,)) if self.wantobjects else
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('1', '2', '3.4')),
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]
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if tcl_version >= (8, 5):
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testcases += [
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(call('dict', 'create', 1, '\u20ac', b'\xe2\x82\xac', (3.4,)),
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(1, '\u20ac', '\u20ac', (3.4,)) if self.wantobjects else
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('1', '\u20ac', '\u20ac', '3.4')),
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]
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for arg, res in testcases:
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self.assertEqual(splitlist(arg), res, msg=arg)
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self.assertRaises(TclError, splitlist, '{')
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def test_split(self):
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split = self.interp.tk.split
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call = self.interp.tk.call
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self.assertRaises(TypeError, split)
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self.assertRaises(TypeError, split, 'a', 'b')
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self.assertRaises(TypeError, split, 2)
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testcases = [
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('2', '2'),
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('', ''),
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('{}', ''),
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('""', ''),
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('{', '{'),
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('a\n b\t\r c\n ', ('a', 'b', 'c')),
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(b'a\n b\t\r c\n ', ('a', 'b', 'c')),
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('a \u20ac', ('a', '\u20ac')),
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(b'a \xe2\x82\xac', ('a', '\u20ac')),
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('a {b c}', ('a', ('b', 'c'))),
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(r'a b\ c', ('a', ('b', 'c'))),
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(('a', b'b c'), ('a', ('b', 'c'))),
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(('a', 'b c'), ('a', ('b', 'c'))),
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('a 2', ('a', '2')),
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(('a', 2), ('a', 2)),
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('a 3.4', ('a', '3.4')),
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(('a', 3.4), ('a', 3.4)),
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(('a', (2, 3.4)), ('a', (2, 3.4))),
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((), ()),
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(call('list', 1, '2', (3.4,)),
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(1, '2', (3.4,)) if self.wantobjects else
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('1', '2', '3.4')),
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]
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if tcl_version >= (8, 5):
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testcases += [
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(call('dict', 'create', 12, '\u20ac', b'\xe2\x82\xac', (3.4,)),
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(12, '\u20ac', '\u20ac', (3.4,)) if self.wantobjects else
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('12', '\u20ac', '\u20ac', '3.4')),
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]
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for arg, res in testcases:
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self.assertEqual(split(arg), res, msg=arg)
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class BigmemTclTest(unittest.TestCase):
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def setUp(self):
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self.interp = Tcl()
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@unittest.skipUnless(_testcapi.INT_MAX < _testcapi.PY_SSIZE_T_MAX,
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"needs UINT_MAX < SIZE_MAX")
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@support.bigmemtest(size=_testcapi.INT_MAX + 1, memuse=5, dry_run=False)
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def test_huge_string(self, size):
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value = ' ' * size
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self.assertRaises(OverflowError, self.interp.call, 'set', '_', value)
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def setUpModule():
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if support.verbose:
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tcl = Tcl()
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print('patchlevel =', tcl.call('info', 'patchlevel'))
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def test_main():
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support.run_unittest(TclTest, TkinterTest, BigmemTclTest)
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if __name__ == "__main__":
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test_main()
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