Python code coverage for Lib/distutils/tests/test_cygwinccompiler.py

#	count	content
1	n/a	"""Tests for distutils.cygwinccompiler."""
2	n/a	import unittest
3	n/a	import sys
4	n/a	import os
5	n/a	from io import BytesIO
6	n/a	from test.support import run_unittest
7	n/a
8	n/a	from distutils import cygwinccompiler
9	n/a	from distutils.cygwinccompiler import (check_config_h,
10	n/a	CONFIG_H_OK, CONFIG_H_NOTOK,
11	n/a	CONFIG_H_UNCERTAIN, get_versions,
12	n/a	get_msvcr)
13	n/a	from distutils.tests import support
14	n/a
15	n/a	class FakePopen(object):
16	n/a	test_class = None
17	n/a
18	n/a	def __init__(self, cmd, shell, stdout):
19	n/a	self.cmd = cmd.split()[0]
20	n/a	exes = self.test_class._exes
21	n/a	if self.cmd in exes:
22	n/a	# issue #6438 in Python 3.x, Popen returns bytes
23	n/a	self.stdout = BytesIO(exes[self.cmd])
24	n/a	else:
25	n/a	self.stdout = os.popen(cmd, 'r')
26	n/a
27	n/a
28	n/a	class CygwinCCompilerTestCase(support.TempdirManager,
29	n/a	unittest.TestCase):
30	n/a
31	n/a	def setUp(self):
32	n/a	super(CygwinCCompilerTestCase, self).setUp()
33	n/a	self.version = sys.version
34	n/a	self.python_h = os.path.join(self.mkdtemp(), 'python.h')
35	n/a	from distutils import sysconfig
36	n/a	self.old_get_config_h_filename = sysconfig.get_config_h_filename
37	n/a	sysconfig.get_config_h_filename = self._get_config_h_filename
38	n/a	self.old_find_executable = cygwinccompiler.find_executable
39	n/a	cygwinccompiler.find_executable = self._find_executable
40	n/a	self._exes = {}
41	n/a	self.old_popen = cygwinccompiler.Popen
42	n/a	FakePopen.test_class = self
43	n/a	cygwinccompiler.Popen = FakePopen
44	n/a
45	n/a	def tearDown(self):
46	n/a	sys.version = self.version
47	n/a	from distutils import sysconfig
48	n/a	sysconfig.get_config_h_filename = self.old_get_config_h_filename
49	n/a	cygwinccompiler.find_executable = self.old_find_executable
50	n/a	cygwinccompiler.Popen = self.old_popen
51	n/a	super(CygwinCCompilerTestCase, self).tearDown()
52	n/a
53	n/a	def _get_config_h_filename(self):
54	n/a	return self.python_h
55	n/a
56	n/a	def _find_executable(self, name):
57	n/a	if name in self._exes:
58	n/a	return name
59	n/a	return None
60	n/a
61	n/a	def test_check_config_h(self):
62	n/a
63	n/a	# check_config_h looks for "GCC" in sys.version first
64	n/a	# returns CONFIG_H_OK if found
65	n/a	sys.version = ('2.6.1 (r261:67515, Dec 6 2008, 16:42:21) \n[GCC '
66	n/a	'4.0.1 (Apple Computer, Inc. build 5370)]')
67	n/a
68	n/a	self.assertEqual(check_config_h()[0], CONFIG_H_OK)
69	n/a
70	n/a	# then it tries to see if it can find "__GNUC__" in pyconfig.h
71	n/a	sys.version = 'something without the *CC word'
72	n/a
73	n/a	# if the file doesn't exist it returns CONFIG_H_UNCERTAIN
74	n/a	self.assertEqual(check_config_h()[0], CONFIG_H_UNCERTAIN)
75	n/a
76	n/a	# if it exists but does not contain __GNUC__, it returns CONFIG_H_NOTOK
77	n/a	self.write_file(self.python_h, 'xxx')
78	n/a	self.assertEqual(check_config_h()[0], CONFIG_H_NOTOK)
79	n/a
80	n/a	# and CONFIG_H_OK if __GNUC__ is found
81	n/a	self.write_file(self.python_h, 'xxx __GNUC__ xxx')
82	n/a	self.assertEqual(check_config_h()[0], CONFIG_H_OK)
83	n/a
84	n/a	def test_get_versions(self):
85	n/a
86	n/a	# get_versions calls distutils.spawn.find_executable on
87	n/a	# 'gcc', 'ld' and 'dllwrap'
88	n/a	self.assertEqual(get_versions(), (None, None, None))
89	n/a
90	n/a	# Let's fake we have 'gcc' and it returns '3.4.5'
91	n/a	self._exes['gcc'] = b'gcc (GCC) 3.4.5 (mingw special)\nFSF'
92	n/a	res = get_versions()
93	n/a	self.assertEqual(str(res[0]), '3.4.5')
94	n/a
95	n/a	# and let's see what happens when the version
96	n/a	# doesn't match the regular expression
97	n/a	# (\d+\.\d+(\.\d+)*)
98	n/a	self._exes['gcc'] = b'very strange output'
99	n/a	res = get_versions()
100	n/a	self.assertEqual(res[0], None)
101	n/a
102	n/a	# same thing for ld
103	n/a	self._exes['ld'] = b'GNU ld version 2.17.50 20060824'
104	n/a	res = get_versions()
105	n/a	self.assertEqual(str(res[1]), '2.17.50')
106	n/a	self._exes['ld'] = b'@(#)PROGRAM:ld PROJECT:ld64-77'
107	n/a	res = get_versions()
108	n/a	self.assertEqual(res[1], None)
109	n/a
110	n/a	# and dllwrap
111	n/a	self._exes['dllwrap'] = b'GNU dllwrap 2.17.50 20060824\nFSF'
112	n/a	res = get_versions()
113	n/a	self.assertEqual(str(res[2]), '2.17.50')
114	n/a	self._exes['dllwrap'] = b'Cheese Wrap'
115	n/a	res = get_versions()
116	n/a	self.assertEqual(res[2], None)
117	n/a
118	n/a	def test_get_msvcr(self):
119	n/a
120	n/a	# none
121	n/a	sys.version = ('2.6.1 (r261:67515, Dec 6 2008, 16:42:21) '
122	n/a	'\n[GCC 4.0.1 (Apple Computer, Inc. build 5370)]')
123	n/a	self.assertEqual(get_msvcr(), None)
124	n/a
125	n/a	# MSVC 7.0
126	n/a	sys.version = ('2.5.1 (r251:54863, Apr 18 2007, 08:51:08) '
127	n/a	'[MSC v.1300 32 bits (Intel)]')
128	n/a	self.assertEqual(get_msvcr(), ['msvcr70'])
129	n/a
130	n/a	# MSVC 7.1
131	n/a	sys.version = ('2.5.1 (r251:54863, Apr 18 2007, 08:51:08) '
132	n/a	'[MSC v.1310 32 bits (Intel)]')
133	n/a	self.assertEqual(get_msvcr(), ['msvcr71'])
134	n/a
135	n/a	# VS2005 / MSVC 8.0
136	n/a	sys.version = ('2.5.1 (r251:54863, Apr 18 2007, 08:51:08) '
137	n/a	'[MSC v.1400 32 bits (Intel)]')
138	n/a	self.assertEqual(get_msvcr(), ['msvcr80'])
139	n/a
140	n/a	# VS2008 / MSVC 9.0
141	n/a	sys.version = ('2.5.1 (r251:54863, Apr 18 2007, 08:51:08) '
142	n/a	'[MSC v.1500 32 bits (Intel)]')
143	n/a	self.assertEqual(get_msvcr(), ['msvcr90'])
144	n/a
145	n/a	# unknown
146	n/a	sys.version = ('2.5.1 (r251:54863, Apr 18 2007, 08:51:08) '
147	n/a	'[MSC v.1999 32 bits (Intel)]')
148	n/a	self.assertRaises(ValueError, get_msvcr)
149	n/a
150	n/a	def test_suite():
151	n/a	return unittest.makeSuite(CygwinCCompilerTestCase)
152	n/a
153	n/a	if __name__ == '__main__':
154	n/a	run_unittest(test_suite())