summaryrefslogtreecommitdiff
path: root/Lib/idlelib/idle_test/test_config.py
blob: a3fa1a341a164294d4819dc5466181fbe04eb948 (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
'''Test idlelib.config.

Much is tested by opening config dialog live or in test_configdialog.
Coverage: 27%
'''
from sys import modules
from test.support import captured_stderr
from tkinter import Tk
import unittest
from idlelib import config

# Tests should not depend on fortuitous user configurations.
# They must not affect actual user .cfg files.
# Replace user parsers with empty parsers that cannot be saved.

idleConf = config.idleConf
usercfg = idleConf.userCfg
testcfg = {}
usermain = testcfg['main'] = config.IdleUserConfParser('')  # filename
userhigh = testcfg['highlight'] = config.IdleUserConfParser('')
userkeys = testcfg['keys'] = config.IdleUserConfParser('')

def setUpModule():
    idleConf.userCfg = testcfg

def tearDownModule():
    idleConf.userCfg = usercfg


class CurrentColorKeysTest(unittest.TestCase):
    """ Test colorkeys function with user config [Theme] and [Keys] patterns.

        colorkeys = config.IdleConf.current_colors_and_keys
        Test all patterns written by IDLE and some errors
        Item 'default' should really be 'builtin' (versus 'custom).
    """
    colorkeys = idleConf.current_colors_and_keys
    default_theme = 'IDLE Classic'
    default_keys = idleConf.default_keys()

    def test_old_builtin_theme(self):
        # On initial installation, user main is blank.
        self.assertEqual(self.colorkeys('Theme'), self.default_theme)
        # For old default, name2 must be blank.
        usermain.read_string('''
            [Theme]
            default = True
            ''')
        # IDLE omits 'name' for default old builtin theme.
        self.assertEqual(self.colorkeys('Theme'), self.default_theme)
        # IDLE adds 'name' for non-default old builtin theme.
        usermain['Theme']['name'] = 'IDLE New'
        self.assertEqual(self.colorkeys('Theme'), 'IDLE New')
        # Erroneous non-default old builtin reverts to default.
        usermain['Theme']['name'] = 'non-existent'
        self.assertEqual(self.colorkeys('Theme'), self.default_theme)
        usermain.remove_section('Theme')

    def test_new_builtin_theme(self):
        # IDLE writes name2 for new builtins.
        usermain.read_string('''
            [Theme]
            default = True
            name2 = IDLE Dark
            ''')
        self.assertEqual(self.colorkeys('Theme'), 'IDLE Dark')
        # Leftover 'name', not removed, is ignored.
        usermain['Theme']['name'] = 'IDLE New'
        self.assertEqual(self.colorkeys('Theme'), 'IDLE Dark')
        # Erroneous non-default new builtin reverts to default.
        usermain['Theme']['name2'] = 'non-existent'
        self.assertEqual(self.colorkeys('Theme'), self.default_theme)
        usermain.remove_section('Theme')

    def test_user_override_theme(self):
        # Erroneous custom name (no definition) reverts to default.
        usermain.read_string('''
            [Theme]
            default = False
            name = Custom Dark
            ''')
        self.assertEqual(self.colorkeys('Theme'), self.default_theme)
        # Custom name is valid with matching Section name.
        userhigh.read_string('[Custom Dark]\na=b')
        self.assertEqual(self.colorkeys('Theme'), 'Custom Dark')
        # Name2 is ignored.
        usermain['Theme']['name2'] = 'non-existent'
        self.assertEqual(self.colorkeys('Theme'), 'Custom Dark')
        usermain.remove_section('Theme')
        userhigh.remove_section('Custom Dark')

    def test_old_builtin_keys(self):
        # On initial installation, user main is blank.
        self.assertEqual(self.colorkeys('Keys'), self.default_keys)
        # For old default, name2 must be blank, name is always used.
        usermain.read_string('''
            [Keys]
            default = True
            name = IDLE Classic Unix
            ''')
        self.assertEqual(self.colorkeys('Keys'), 'IDLE Classic Unix')
        # Erroneous non-default old builtin reverts to default.
        usermain['Keys']['name'] = 'non-existent'
        self.assertEqual(self.colorkeys('Keys'), self.default_keys)
        usermain.remove_section('Keys')

    def test_new_builtin_keys(self):
        # IDLE writes name2 for new builtins.
        usermain.read_string('''
            [Keys]
            default = True
            name2 = IDLE Modern Unix
            ''')
        self.assertEqual(self.colorkeys('Keys'), 'IDLE Modern Unix')
        # Leftover 'name', not removed, is ignored.
        usermain['Keys']['name'] = 'IDLE Classic Unix'
        self.assertEqual(self.colorkeys('Keys'), 'IDLE Modern Unix')
        # Erroneous non-default new builtin reverts to default.
        usermain['Keys']['name2'] = 'non-existent'
        self.assertEqual(self.colorkeys('Keys'), self.default_keys)
        usermain.remove_section('Keys')

    def test_user_override_keys(self):
        # Erroneous custom name (no definition) reverts to default.
        usermain.read_string('''
            [Keys]
            default = False
            name = Custom Keys
            ''')
        self.assertEqual(self.colorkeys('Keys'), self.default_keys)
        # Custom name is valid with matching Section name.
        userkeys.read_string('[Custom Keys]\na=b')
        self.assertEqual(self.colorkeys('Keys'), 'Custom Keys')
        # Name2 is ignored.
        usermain['Keys']['name2'] = 'non-existent'
        self.assertEqual(self.colorkeys('Keys'), 'Custom Keys')
        usermain.remove_section('Keys')
        userkeys.remove_section('Custom Keys')


class WarningTest(unittest.TestCase):

    def test_warn(self):
        Equal = self.assertEqual
        config._warned = set()
        with captured_stderr() as stderr:
            config._warn('warning', 'key')
        Equal(config._warned, {('warning','key')})
        Equal(stderr.getvalue(), 'warning'+'\n')
        with captured_stderr() as stderr:
            config._warn('warning', 'key')
        Equal(stderr.getvalue(), '')
        with captured_stderr() as stderr:
            config._warn('warn2', 'yek')
        Equal(config._warned, {('warning','key'), ('warn2','yek')})
        Equal(stderr.getvalue(), 'warn2'+'\n')


if __name__ == '__main__':
    unittest.main(verbosity=2)