summaryrefslogtreecommitdiff
path: root/Lib/test/test__osx_support.py
blob: bcba8caa296484ebd7d2e6c686c2dca829b473c4 (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
"""
Test suite for _osx_support: shared OS X support functions.
"""

import os
import platform
import stat
import sys
import unittest

import test.support

import _osx_support

@unittest.skipUnless(sys.platform.startswith("darwin"), "requires OS X")
class Test_OSXSupport(unittest.TestCase):

    def setUp(self):
        self.maxDiff = None
        self.prog_name = 'bogus_program_xxxx'
        self.temp_path_dir = os.path.abspath(os.getcwd())
        self.env = test.support.EnvironmentVarGuard()
        self.addCleanup(self.env.__exit__)
        for cv in ('CFLAGS', 'LDFLAGS', 'CPPFLAGS',
                            'BASECFLAGS', 'BLDSHARED', 'LDSHARED', 'CC',
                            'CXX', 'PY_CFLAGS', 'PY_LDFLAGS', 'PY_CPPFLAGS',
                            'PY_CORE_CFLAGS'):
            if cv in self.env:
                self.env.unset(cv)

    def add_expected_saved_initial_values(self, config_vars, expected_vars):
        # Ensure that the initial values for all modified config vars
        # are also saved with modified keys.
        expected_vars.update(('_OSX_SUPPORT_INITIAL_'+ k,
                config_vars[k]) for k in config_vars
                    if config_vars[k] != expected_vars[k])

    def test__find_executable(self):
        if self.env['PATH']:
            self.env['PATH'] = self.env['PATH'] + ':'
        self.env['PATH'] = self.env['PATH'] + os.path.abspath(self.temp_path_dir)
        test.support.unlink(self.prog_name)
        self.assertIsNone(_osx_support._find_executable(self.prog_name))
        self.addCleanup(test.support.unlink, self.prog_name)
        with open(self.prog_name, 'w') as f:
            f.write("#!/bin/sh\n/bin/echo OK\n")
        os.chmod(self.prog_name, stat.S_IRWXU)
        self.assertEqual(self.prog_name,
                            _osx_support._find_executable(self.prog_name))

    def test__read_output(self):
        if self.env['PATH']:
            self.env['PATH'] = self.env['PATH'] + ':'
        self.env['PATH'] = self.env['PATH'] + os.path.abspath(self.temp_path_dir)
        test.support.unlink(self.prog_name)
        self.addCleanup(test.support.unlink, self.prog_name)
        with open(self.prog_name, 'w') as f:
            f.write("#!/bin/sh\n/bin/echo ExpectedOutput\n")
        os.chmod(self.prog_name, stat.S_IRWXU)
        self.assertEqual('ExpectedOutput',
                            _osx_support._read_output(self.prog_name))

    def test__find_build_tool(self):
        out = _osx_support._find_build_tool('cc')
        self.assertTrue(os.path.isfile(out),
                            'cc not found - check xcode-select')

    def test__get_system_version(self):
        self.assertTrue(platform.mac_ver()[0].startswith(
                                    _osx_support._get_system_version()))

    def test__remove_original_values(self):
        config_vars = {
        'CC': 'gcc-test -pthreads',
        }
        expected_vars = {
        'CC': 'clang -pthreads',
        }
        cv = 'CC'
        newvalue = 'clang -pthreads'
        _osx_support._save_modified_value(config_vars, cv, newvalue)
        self.assertNotEqual(expected_vars, config_vars)
        _osx_support._remove_original_values(config_vars)
        self.assertEqual(expected_vars, config_vars)

    def test__save_modified_value(self):
        config_vars = {
        'CC': 'gcc-test -pthreads',
        }
        expected_vars = {
        'CC': 'clang -pthreads',
        }
        self.add_expected_saved_initial_values(config_vars, expected_vars)
        cv = 'CC'
        newvalue = 'clang -pthreads'
        _osx_support._save_modified_value(config_vars, cv, newvalue)
        self.assertEqual(expected_vars, config_vars)

    def test__save_modified_value_unchanged(self):
        config_vars = {
        'CC': 'gcc-test -pthreads',
        }
        expected_vars = config_vars.copy()
        cv = 'CC'
        newvalue = 'gcc-test -pthreads'
        _osx_support._save_modified_value(config_vars, cv, newvalue)
        self.assertEqual(expected_vars, config_vars)

    def test__supports_universal_builds(self):
        import platform
        mac_ver_tuple = tuple(int(i) for i in
                            platform.mac_ver()[0].split('.')[0:2])
        self.assertEqual(mac_ver_tuple >= (10, 4),
                            _osx_support._supports_universal_builds())

    def test__find_appropriate_compiler(self):
        compilers = (
                        ('gcc-test', 'i686-apple-darwin11-llvm-gcc-4.2'),
                        ('clang', 'clang version 3.1'),
                    )
        config_vars = {
        'CC': 'gcc-test -pthreads',
        'CXX': 'cc++-test',
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  ',
        'LDFLAGS': '-arch ppc -arch i386   -g',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.4u.sdk',
        'BLDSHARED': 'gcc-test -bundle -arch ppc -arch i386 -g',
        'LDSHARED': 'gcc-test -bundle -arch ppc -arch i386 '
                        '-isysroot /Developer/SDKs/MacOSX10.4u.sdk -g',
        }
        expected_vars = {
        'CC': 'clang -pthreads',
        'CXX': 'clang++',
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  ',
        'LDFLAGS': '-arch ppc -arch i386   -g',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.4u.sdk',
        'BLDSHARED': 'clang -bundle -arch ppc -arch i386 -g',
        'LDSHARED': 'clang -bundle -arch ppc -arch i386 '
                        '-isysroot /Developer/SDKs/MacOSX10.4u.sdk -g',
        }
        self.add_expected_saved_initial_values(config_vars, expected_vars)

        suffix = (':' + self.env['PATH']) if self.env['PATH'] else ''
        self.env['PATH'] = os.path.abspath(self.temp_path_dir) + suffix
        for c_name, c_output in compilers:
            test.support.unlink(c_name)
            self.addCleanup(test.support.unlink, c_name)
            with open(c_name, 'w') as f:
                f.write("#!/bin/sh\n/bin/echo " + c_output)
            os.chmod(c_name, stat.S_IRWXU)
        self.assertEqual(expected_vars,
                            _osx_support._find_appropriate_compiler(
                                    config_vars))

    def test__remove_universal_flags(self):
        config_vars = {
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  ',
        'LDFLAGS': '-arch ppc -arch i386   -g',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.4u.sdk',
        'BLDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 -g',
        'LDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 '
                        '-isysroot /Developer/SDKs/MacOSX10.4u.sdk -g',
        }
        expected_vars = {
        'CFLAGS': '-fno-strict-aliasing  -g -O3    ',
        'LDFLAGS': '    -g',
        'CPPFLAGS': '-I.  ',
        'BLDSHARED': 'gcc-4.0 -bundle    -g',
        'LDSHARED': 'gcc-4.0 -bundle      -g',
        }
        self.add_expected_saved_initial_values(config_vars, expected_vars)

        self.assertEqual(expected_vars,
                            _osx_support._remove_universal_flags(
                                    config_vars))

    def test__remove_unsupported_archs(self):
        config_vars = {
        'CC': 'clang',
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  ',
        'LDFLAGS': '-arch ppc -arch i386   -g',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.4u.sdk',
        'BLDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 -g',
        'LDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 '
                        '-isysroot /Developer/SDKs/MacOSX10.4u.sdk -g',
        }
        expected_vars = {
        'CC': 'clang',
        'CFLAGS': '-fno-strict-aliasing  -g -O3  -arch i386  ',
        'LDFLAGS': ' -arch i386   -g',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.4u.sdk',
        'BLDSHARED': 'gcc-4.0 -bundle   -arch i386 -g',
        'LDSHARED': 'gcc-4.0 -bundle   -arch i386 '
                        '-isysroot /Developer/SDKs/MacOSX10.4u.sdk -g',
        }
        self.add_expected_saved_initial_values(config_vars, expected_vars)

        suffix = (':' + self.env['PATH']) if self.env['PATH'] else ''
        self.env['PATH'] = os.path.abspath(self.temp_path_dir) + suffix
        c_name = 'clang'
        test.support.unlink(c_name)
        self.addCleanup(test.support.unlink, c_name)
        # exit status 255 means no PPC support in this compiler chain
        with open(c_name, 'w') as f:
            f.write("#!/bin/sh\nexit 255")
        os.chmod(c_name, stat.S_IRWXU)
        self.assertEqual(expected_vars,
                            _osx_support._remove_unsupported_archs(
                                    config_vars))

    def test__override_all_archs(self):
        self.env['ARCHFLAGS'] = '-arch x86_64'
        config_vars = {
        'CC': 'clang',
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  ',
        'LDFLAGS': '-arch ppc -arch i386   -g',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.4u.sdk',
        'BLDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 -g',
        'LDSHARED': 'gcc-4.0 -bundle -arch ppc -arch i386 '
                        '-isysroot /Developer/SDKs/MacOSX10.4u.sdk -g',
        }
        expected_vars = {
        'CC': 'clang',
        'CFLAGS': '-fno-strict-aliasing  -g -O3     -arch x86_64',
        'LDFLAGS': '    -g -arch x86_64',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.4u.sdk',
        'BLDSHARED': 'gcc-4.0 -bundle    -g -arch x86_64',
        'LDSHARED': 'gcc-4.0 -bundle   -isysroot '
                        '/Developer/SDKs/MacOSX10.4u.sdk -g -arch x86_64',
        }
        self.add_expected_saved_initial_values(config_vars, expected_vars)

        self.assertEqual(expected_vars,
                            _osx_support._override_all_archs(
                                    config_vars))

    def test__check_for_unavailable_sdk(self):
        config_vars = {
        'CC': 'clang',
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  '
                        '-isysroot /Developer/SDKs/MacOSX10.1.sdk',
        'LDFLAGS': '-arch ppc -arch i386   -g',
        'CPPFLAGS': '-I. -isysroot /Developer/SDKs/MacOSX10.1.sdk',
        'BLDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 -g',
        'LDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 '
                        '-isysroot /Developer/SDKs/MacOSX10.1.sdk -g',
        }
        expected_vars = {
        'CC': 'clang',
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  '
                        ' ',
        'LDFLAGS': '-arch ppc -arch i386   -g',
        'CPPFLAGS': '-I.  ',
        'BLDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 -g',
        'LDSHARED': 'gcc-4.0 -bundle  -arch ppc -arch i386 '
                        ' -g',
        }
        self.add_expected_saved_initial_values(config_vars, expected_vars)

        self.assertEqual(expected_vars,
                            _osx_support._check_for_unavailable_sdk(
                                    config_vars))

    def test_get_platform_osx(self):
        # Note, get_platform_osx is currently tested more extensively
        # indirectly by test_sysconfig and test_distutils
        config_vars = {
        'CFLAGS': '-fno-strict-aliasing  -g -O3 -arch ppc -arch i386  '
                        '-isysroot /Developer/SDKs/MacOSX10.1.sdk',
        'MACOSX_DEPLOYMENT_TARGET': '10.6',
        }
        result = _osx_support.get_platform_osx(config_vars, ' ', ' ', ' ')
        self.assertEqual(('macosx', '10.6', 'fat'), result)

if __name__ == "__main__":
    unittest.main()