summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_tcl.py
blob: 66c49ffedcb5901bdcbff5938490c161d8ca8ec2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
#!/usr/bin/env python3

import unittest
import sys
import os
import _testcapi
from test import support

# Skip this test if the _tkinter module wasn't built.
_tkinter = support.import_module('_tkinter')

# Make sure tkinter._fix runs to set up the environment
support.import_fresh_module('tkinter')

from tkinter import Tcl
from _tkinter import TclError

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)


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 as 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', 'Requires 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] != ':':
            raise unittest.SkipTest('Absolute path should have drive part')
        unc_name = r'\\%s\%s$\%s' % (os.environ['COMPUTERNAME'],
                                    fullname[0],
                                    fullname[3:])
        if not os.path.exists(unc_name):
            raise unittest.SkipTest('Cannot connect to UNC Path')

        with support.EnvironmentVarGuard() as env:
            env.unset("TCL_LIBRARY")
            f = os.popen('%s -c "import tkinter; print(tkinter)"' % (unc_name,))

        self.assertIn('tkinter', f.read())
        # exit code must be zero
        self.assertEqual(f.close(), None)

    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')
        for i in (0, 1, -1, 2**31-1, -2**31):
            self.assertEqual(passValue(i), i)
        for f in (0.0, 1.0, -1.0, 1/3,
                  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_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')),
            (b'a\n b\t\r c\n ', ('a', 'b', 'c')),
            ('a \u20ac', ('a', '\u20ac')),
            (b'a \xe2\x82\xac', ('a', '\u20ac')),
            ('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 tcl_version >= (8, 5):
            testcases += [
                (call('dict', 'create', 1, '\u20ac', b'\xe2\x82\xac', (3.4,)),
                        (1, '\u20ac', '\u20ac', (3.4,))),
            ]
        for arg, res in testcases:
            self.assertEqual(splitlist(arg), res, msg=arg)
        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')),
            (b'a\n b\t\r c\n ', ('a', 'b', 'c')),
            ('a \u20ac', ('a', '\u20ac')),
            (b'a \xe2\x82\xac', ('a', '\u20ac')),
            ('a {b c}', ('a', ('b', 'c'))),
            (r'a b\ c', ('a', ('b', 'c'))),
            (('a', b'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)),
            (('a', (2, 3.4)), ('a', (2, 3.4))),
            ((), ()),
            (call('list', 1, '2', (3.4,)), (1, '2', (3.4,))),
        ]
        if tcl_version >= (8, 5):
            testcases += [
                (call('dict', 'create', 12, '\u20ac', b'\xe2\x82\xac', (3.4,)),
                        (12, '\u20ac', '\u20ac', (3.4,))),
            ]
        for arg, res in testcases:
            self.assertEqual(split(arg), res, msg=arg)


class BigmemTclTest(unittest.TestCase):

    def setUp(self):
        self.interp = Tcl()

    @unittest.skipUnless(_testcapi.INT_MAX < _testcapi.PY_SSIZE_T_MAX,
                         "needs UINT_MAX < SIZE_MAX")
    @support.bigmemtest(size=_testcapi.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 support.verbose:
        tcl = Tcl()
        print('patchlevel =', tcl.call('info', 'patchlevel'))


def test_main():
    support.run_unittest(TclTest, TkinterTest, BigmemTclTest)

if __name__ == "__main__":
    test_main()