pyrox.dev
1"""
2Python interpreter and environment tests.
3
4These need to be executed with the standard library unittest.
5Third party test runners such as pytest cannot be used because
6that would interfere with the tests.
7"""
8
9import platform
10import sys
11import unittest
12import site
13
14
15ENV = "@environment@"
16INTERPRETER = "@interpreter@"
17PYTHON_VERSION = "@pythonVersion@"
18
19IS_VIRTUALENV = @is_virtualenv@
20IS_VENV = @is_venv@
21IS_NIXENV = @is_nixenv@
22IS_PYPY = platform.python_implementation() == "PyPy"
23
24
25class TestCasePython(unittest.TestCase):
26
27 @unittest.skipIf(IS_PYPY, "Executable is incorrect and needs to be fixed.")
28 def test_interpreter(self):
29 self.assertEqual(sys.executable, INTERPRETER)
30
31 @unittest.skipIf(IS_PYPY, "Prefix is incorrect and needs to be fixed.")
32 def test_prefix(self):
33 self.assertEqual(sys.prefix, ENV)
34 self.assertEqual(sys.prefix, sys.exec_prefix)
35
36 def test_site_prefix(self):
37 self.assertTrue(sys.prefix in site.PREFIXES)
38
39 @unittest.skipIf(IS_PYPY or sys.version_info.major==2, "Python 2 does not have base_prefix")
40 def test_base_prefix(self):
41 if IS_VENV or IS_NIXENV or IS_VIRTUALENV:
42 self.assertNotEqual(sys.prefix, sys.base_prefix)
43 else:
44 self.assertEqual(sys.prefix, sys.base_prefix)
45
46 @unittest.skipIf(sys.version_info.major==3, "sys.real_prefix is only set by virtualenv in case of Python 2.")
47 def test_real_prefix(self):
48 self.assertTrue(hasattr(sys, "real_prefix") == IS_VIRTUALENV)
49
50 def test_python_version(self):
51 self.assertTrue(platform.python_version().startswith(PYTHON_VERSION))
52
53
54if __name__ == "__main__":
55 unittest.main()