python (3.11.7)
1 """Tests for distutils._msvccompiler."""
2 import sys
3 import unittest
4 import os
5
6 from distutils.errors import DistutilsPlatformError
7 from distutils.tests import support
8
9
10 SKIP_MESSAGE = (None if sys.platform == "win32" else
11 "These tests are only for win32")
12
13 @unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
14 class ESC[4;38;5;81mmsvccompilerTestCase(ESC[4;38;5;149msupportESC[4;38;5;149m.ESC[4;38;5;149mTempdirManager,
15 ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
16
17 def test_no_compiler(self):
18 import distutils._msvccompiler as _msvccompiler
19 # makes sure query_vcvarsall raises
20 # a DistutilsPlatformError if the compiler
21 # is not found
22 def _find_vcvarsall(plat_spec):
23 return None, None
24
25 old_find_vcvarsall = _msvccompiler._find_vcvarsall
26 _msvccompiler._find_vcvarsall = _find_vcvarsall
27 try:
28 self.assertRaises(DistutilsPlatformError,
29 _msvccompiler._get_vc_env,
30 'wont find this version')
31 finally:
32 _msvccompiler._find_vcvarsall = old_find_vcvarsall
33
34 def test_get_vc_env_unicode(self):
35 import distutils._msvccompiler as _msvccompiler
36
37 test_var = 'ṰḖṤṪ┅ṼẨṜ'
38 test_value = '₃⁴₅'
39
40 # Ensure we don't early exit from _get_vc_env
41 old_distutils_use_sdk = os.environ.pop('DISTUTILS_USE_SDK', None)
42 os.environ[test_var] = test_value
43 try:
44 env = _msvccompiler._get_vc_env('x86')
45 self.assertIn(test_var.lower(), env)
46 self.assertEqual(test_value, env[test_var.lower()])
47 finally:
48 os.environ.pop(test_var)
49 if old_distutils_use_sdk:
50 os.environ['DISTUTILS_USE_SDK'] = old_distutils_use_sdk
51
52 def test_get_vc2017(self):
53 import distutils._msvccompiler as _msvccompiler
54
55 # This function cannot be mocked, so pass it if we find VS 2017
56 # and mark it skipped if we do not.
57 version, path = _msvccompiler._find_vc2017()
58 if version:
59 self.assertGreaterEqual(version, 15)
60 self.assertTrue(os.path.isdir(path))
61 else:
62 raise unittest.SkipTest("VS 2017 is not installed")
63
64 def test_get_vc2015(self):
65 import distutils._msvccompiler as _msvccompiler
66
67 # This function cannot be mocked, so pass it if we find VS 2015
68 # and mark it skipped if we do not.
69 version, path = _msvccompiler._find_vc2015()
70 if version:
71 self.assertGreaterEqual(version, 14)
72 self.assertTrue(os.path.isdir(path))
73 else:
74 raise unittest.SkipTest("VS 2015 is not installed")
75
76 if __name__ == "__main__":
77 unittest.main()
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