python-3.6.zip added from Github

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third_party/python/Lib/distutils/tests/test_msvccompiler.py

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+"""Tests for distutils._msvccompiler."""
+import sys
+import unittest
+import os
+
+from distutils.errors import DistutilsPlatformError
+from distutils.tests import support
+from test.support import run_unittest
+
+
+SKIP_MESSAGE = (None if sys.platform == "win32" else
+                "These tests are only for win32")
+
+@unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
+class msvccompilerTestCase(support.TempdirManager,
+                            unittest.TestCase):
+
+    def test_no_compiler(self):
+        import distutils._msvccompiler as _msvccompiler
+        # makes sure query_vcvarsall raises
+        # a DistutilsPlatformError if the compiler
+        # is not found
+        def _find_vcvarsall(plat_spec):
+            return None, None
+
+        old_find_vcvarsall = _msvccompiler._find_vcvarsall
+        _msvccompiler._find_vcvarsall = _find_vcvarsall
+        try:
+            self.assertRaises(DistutilsPlatformError,
+                              _msvccompiler._get_vc_env,
+                             'wont find this version')
+        finally:
+            _msvccompiler._find_vcvarsall = old_find_vcvarsall
+
+    def test_compiler_options(self):
+        import distutils._msvccompiler as _msvccompiler
+        # suppress path to vcruntime from _find_vcvarsall to
+        # check that /MT is added to compile options
+        old_find_vcvarsall = _msvccompiler._find_vcvarsall
+        def _find_vcvarsall(plat_spec):
+            return old_find_vcvarsall(plat_spec)[0], None
+        _msvccompiler._find_vcvarsall = _find_vcvarsall
+        try:
+            compiler = _msvccompiler.MSVCCompiler()
+            compiler.initialize()
+
+            self.assertIn('/MT', compiler.compile_options)
+            self.assertNotIn('/MD', compiler.compile_options)
+        finally:
+            _msvccompiler._find_vcvarsall = old_find_vcvarsall
+
+    def test_vcruntime_copy(self):
+        import distutils._msvccompiler as _msvccompiler
+        # force path to a known file - it doesn't matter
+        # what we copy as long as its name is not in
+        # _msvccompiler._BUNDLED_DLLS
+        old_find_vcvarsall = _msvccompiler._find_vcvarsall
+        def _find_vcvarsall(plat_spec):
+            return old_find_vcvarsall(plat_spec)[0], __file__
+        _msvccompiler._find_vcvarsall = _find_vcvarsall
+        try:
+            tempdir = self.mkdtemp()
+            compiler = _msvccompiler.MSVCCompiler()
+            compiler.initialize()
+            compiler._copy_vcruntime(tempdir)
+
+            self.assertTrue(os.path.isfile(os.path.join(
+                tempdir, os.path.basename(__file__))))
+        finally:
+            _msvccompiler._find_vcvarsall = old_find_vcvarsall
+
+    def test_vcruntime_skip_copy(self):
+        import distutils._msvccompiler as _msvccompiler
+
+        tempdir = self.mkdtemp()
+        compiler = _msvccompiler.MSVCCompiler()
+        compiler.initialize()
+        dll = compiler._vcruntime_redist
+        self.assertTrue(os.path.isfile(dll), dll or "<None>")
+
+        compiler._copy_vcruntime(tempdir)
+
+        self.assertFalse(os.path.isfile(os.path.join(
+            tempdir, os.path.basename(dll))), dll or "<None>")
+
+    def test_get_vc_env_unicode(self):
+        import distutils._msvccompiler as _msvccompiler
+
+        test_var = 'ṰḖṤṪ┅ṼẨṜ'
+        test_value = '₃⁴₅'
+
+        # Ensure we don't early exit from _get_vc_env
+        old_distutils_use_sdk = os.environ.pop('DISTUTILS_USE_SDK', None)
+        os.environ[test_var] = test_value
+        try:
+            env = _msvccompiler._get_vc_env('x86')
+            self.assertIn(test_var.lower(), env)
+            self.assertEqual(test_value, env[test_var.lower()])
+        finally:
+            os.environ.pop(test_var)
+            if old_distutils_use_sdk:
+                os.environ['DISTUTILS_USE_SDK'] = old_distutils_use_sdk
+
+    def test_get_vc2017(self):
+        import distutils._msvccompiler as _msvccompiler
+
+        # This function cannot be mocked, so pass it if we find VS 2017
+        # and mark it skipped if we do not.
+        version, path = _msvccompiler._find_vc2017()
+        if version:
+            self.assertGreaterEqual(version, 15)
+            self.assertTrue(os.path.isdir(path))
+        else:
+            raise unittest.SkipTest("VS 2017 is not installed")
+
+    def test_get_vc2015(self):
+        import distutils._msvccompiler as _msvccompiler
+
+        # This function cannot be mocked, so pass it if we find VS 2015
+        # and mark it skipped if we do not.
+        version, path = _msvccompiler._find_vc2015()
+        if version:
+            self.assertGreaterEqual(version, 14)
+            self.assertTrue(os.path.isdir(path))
+        else:
+            raise unittest.SkipTest("VS 2015 is not installed")
+
+def test_suite():
+    return unittest.makeSuite(msvccompilerTestCase)
+
+if __name__ == "__main__":
+    run_unittest(test_suite())