Python code coverage for Lib/test/test_sysconfig.py

#	count	content
1	n/a	import unittest
2	n/a	import sys
3	n/a	import os
4	n/a	import subprocess
5	n/a	import shutil
6	n/a	from copy import copy
7	n/a
8	n/a	from test.support import (import_module, TESTFN, unlink, check_warnings,
9	n/a	captured_stdout, skip_unless_symlink, change_cwd)
10	n/a
11	n/a	import sysconfig
12	n/a	from sysconfig import (get_paths, get_platform, get_config_vars,
13	n/a	get_path, get_path_names, _INSTALL_SCHEMES,
14	n/a	_get_default_scheme, _expand_vars,
15	n/a	get_scheme_names, get_config_var, _main)
16	n/a	import _osx_support
17	n/a
18	n/a	class TestSysConfig(unittest.TestCase):
19	n/a
20	n/a	def setUp(self):
21	n/a	super(TestSysConfig, self).setUp()
22	n/a	self.sys_path = sys.path[:]
23	n/a	# patching os.uname
24	n/a	if hasattr(os, 'uname'):
25	n/a	self.uname = os.uname
26	n/a	self._uname = os.uname()
27	n/a	else:
28	n/a	self.uname = None
29	n/a	self._set_uname(('',)*5)
30	n/a	os.uname = self._get_uname
31	n/a	# saving the environment
32	n/a	self.name = os.name
33	n/a	self.platform = sys.platform
34	n/a	self.version = sys.version
35	n/a	self.sep = os.sep
36	n/a	self.join = os.path.join
37	n/a	self.isabs = os.path.isabs
38	n/a	self.splitdrive = os.path.splitdrive
39	n/a	self._config_vars = sysconfig._CONFIG_VARS, copy(sysconfig._CONFIG_VARS)
40	n/a	self._added_envvars = []
41	n/a	self._changed_envvars = []
42	n/a	for var in ('MACOSX_DEPLOYMENT_TARGET', 'PATH'):
43	n/a	if var in os.environ:
44	n/a	self._changed_envvars.append((var, os.environ[var]))
45	n/a	else:
46	n/a	self._added_envvars.append(var)
47	n/a
48	n/a	def tearDown(self):
49	n/a	sys.path[:] = self.sys_path
50	n/a	self._cleanup_testfn()
51	n/a	if self.uname is not None:
52	n/a	os.uname = self.uname
53	n/a	else:
54	n/a	del os.uname
55	n/a	os.name = self.name
56	n/a	sys.platform = self.platform
57	n/a	sys.version = self.version
58	n/a	os.sep = self.sep
59	n/a	os.path.join = self.join
60	n/a	os.path.isabs = self.isabs
61	n/a	os.path.splitdrive = self.splitdrive
62	n/a	sysconfig._CONFIG_VARS = self._config_vars[0]
63	n/a	sysconfig._CONFIG_VARS.clear()
64	n/a	sysconfig._CONFIG_VARS.update(self._config_vars[1])
65	n/a	for var, value in self._changed_envvars:
66	n/a	os.environ[var] = value
67	n/a	for var in self._added_envvars:
68	n/a	os.environ.pop(var, None)
69	n/a
70	n/a	super(TestSysConfig, self).tearDown()
71	n/a
72	n/a	def _set_uname(self, uname):
73	n/a	self._uname = os.uname_result(uname)
74	n/a
75	n/a	def _get_uname(self):
76	n/a	return self._uname
77	n/a
78	n/a	def _cleanup_testfn(self):
79	n/a	path = TESTFN
80	n/a	if os.path.isfile(path):
81	n/a	os.remove(path)
82	n/a	elif os.path.isdir(path):
83	n/a	shutil.rmtree(path)
84	n/a
85	n/a	def test_get_path_names(self):
86	n/a	self.assertEqual(get_path_names(), sysconfig._SCHEME_KEYS)
87	n/a
88	n/a	def test_get_paths(self):
89	n/a	scheme = get_paths()
90	n/a	default_scheme = _get_default_scheme()
91	n/a	wanted = _expand_vars(default_scheme, None)
92	n/a	wanted = sorted(wanted.items())
93	n/a	scheme = sorted(scheme.items())
94	n/a	self.assertEqual(scheme, wanted)
95	n/a
96	n/a	def test_get_path(self):
97	n/a	# XXX make real tests here
98	n/a	for scheme in _INSTALL_SCHEMES:
99	n/a	for name in _INSTALL_SCHEMES[scheme]:
100	n/a	res = get_path(name, scheme)
101	n/a
102	n/a	def test_get_config_vars(self):
103	n/a	cvars = get_config_vars()
104	n/a	self.assertIsInstance(cvars, dict)
105	n/a	self.assertTrue(cvars)
106	n/a
107	n/a	def test_get_platform(self):
108	n/a	# windows XP, 32bits
109	n/a	os.name = 'nt'
110	n/a	sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
111	n/a	'[MSC v.1310 32 bit (Intel)]')
112	n/a	sys.platform = 'win32'
113	n/a	self.assertEqual(get_platform(), 'win32')
114	n/a
115	n/a	# windows XP, amd64
116	n/a	os.name = 'nt'
117	n/a	sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
118	n/a	'[MSC v.1310 32 bit (Amd64)]')
119	n/a	sys.platform = 'win32'
120	n/a	self.assertEqual(get_platform(), 'win-amd64')
121	n/a
122	n/a	# windows XP, itanium
123	n/a	os.name = 'nt'
124	n/a	sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
125	n/a	'[MSC v.1310 32 bit (Itanium)]')
126	n/a	sys.platform = 'win32'
127	n/a	self.assertEqual(get_platform(), 'win-ia64')
128	n/a
129	n/a	# macbook
130	n/a	os.name = 'posix'
131	n/a	sys.version = ('2.5 (r25:51918, Sep 19 2006, 08:49:13) '
132	n/a	'\n[GCC 4.0.1 (Apple Computer, Inc. build 5341)]')
133	n/a	sys.platform = 'darwin'
134	n/a	self._set_uname(('Darwin', 'macziade', '8.11.1',
135	n/a	('Darwin Kernel Version 8.11.1: '
136	n/a	'Wed Oct 10 18:23:28 PDT 2007; '
137	n/a	'root:xnu-792.25.20~1/RELEASE_I386'), 'PowerPC'))
138	n/a	_osx_support._remove_original_values(get_config_vars())
139	n/a	get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
140	n/a
141	n/a	get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
142	n/a	'-fwrapv -O3 -Wall -Wstrict-prototypes')
143	n/a
144	n/a	maxint = sys.maxsize
145	n/a	try:
146	n/a	sys.maxsize = 2147483647
147	n/a	self.assertEqual(get_platform(), 'macosx-10.3-ppc')
148	n/a	sys.maxsize = 9223372036854775807
149	n/a	self.assertEqual(get_platform(), 'macosx-10.3-ppc64')
150	n/a	finally:
151	n/a	sys.maxsize = maxint
152	n/a
153	n/a	self._set_uname(('Darwin', 'macziade', '8.11.1',
154	n/a	('Darwin Kernel Version 8.11.1: '
155	n/a	'Wed Oct 10 18:23:28 PDT 2007; '
156	n/a	'root:xnu-792.25.20~1/RELEASE_I386'), 'i386'))
157	n/a	_osx_support._remove_original_values(get_config_vars())
158	n/a	get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
159	n/a
160	n/a	get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
161	n/a	'-fwrapv -O3 -Wall -Wstrict-prototypes')
162	n/a	maxint = sys.maxsize
163	n/a	try:
164	n/a	sys.maxsize = 2147483647
165	n/a	self.assertEqual(get_platform(), 'macosx-10.3-i386')
166	n/a	sys.maxsize = 9223372036854775807
167	n/a	self.assertEqual(get_platform(), 'macosx-10.3-x86_64')
168	n/a	finally:
169	n/a	sys.maxsize = maxint
170	n/a
171	n/a	# macbook with fat binaries (fat, universal or fat64)
172	n/a	_osx_support._remove_original_values(get_config_vars())
173	n/a	get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.4'
174	n/a	get_config_vars()['CFLAGS'] = ('-arch ppc -arch i386 -isysroot '
175	n/a	'/Developer/SDKs/MacOSX10.4u.sdk '
176	n/a	'-fno-strict-aliasing -fno-common '
177	n/a	'-dynamic -DNDEBUG -g -O3')
178	n/a
179	n/a	self.assertEqual(get_platform(), 'macosx-10.4-fat')
180	n/a
181	n/a	_osx_support._remove_original_values(get_config_vars())
182	n/a	get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch i386 -isysroot '
183	n/a	'/Developer/SDKs/MacOSX10.4u.sdk '
184	n/a	'-fno-strict-aliasing -fno-common '
185	n/a	'-dynamic -DNDEBUG -g -O3')
186	n/a
187	n/a	self.assertEqual(get_platform(), 'macosx-10.4-intel')
188	n/a
189	n/a	_osx_support._remove_original_values(get_config_vars())
190	n/a	get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc -arch i386 -isysroot '
191	n/a	'/Developer/SDKs/MacOSX10.4u.sdk '
192	n/a	'-fno-strict-aliasing -fno-common '
193	n/a	'-dynamic -DNDEBUG -g -O3')
194	n/a	self.assertEqual(get_platform(), 'macosx-10.4-fat3')
195	n/a
196	n/a	_osx_support._remove_original_values(get_config_vars())
197	n/a	get_config_vars()['CFLAGS'] = ('-arch ppc64 -arch x86_64 -arch ppc -arch i386 -isysroot '
198	n/a	'/Developer/SDKs/MacOSX10.4u.sdk '
199	n/a	'-fno-strict-aliasing -fno-common '
200	n/a	'-dynamic -DNDEBUG -g -O3')
201	n/a	self.assertEqual(get_platform(), 'macosx-10.4-universal')
202	n/a
203	n/a	_osx_support._remove_original_values(get_config_vars())
204	n/a	get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc64 -isysroot '
205	n/a	'/Developer/SDKs/MacOSX10.4u.sdk '
206	n/a	'-fno-strict-aliasing -fno-common '
207	n/a	'-dynamic -DNDEBUG -g -O3')
208	n/a
209	n/a	self.assertEqual(get_platform(), 'macosx-10.4-fat64')
210	n/a
211	n/a	for arch in ('ppc', 'i386', 'x86_64', 'ppc64'):
212	n/a	_osx_support._remove_original_values(get_config_vars())
213	n/a	get_config_vars()['CFLAGS'] = ('-arch %s -isysroot '
214	n/a	'/Developer/SDKs/MacOSX10.4u.sdk '
215	n/a	'-fno-strict-aliasing -fno-common '
216	n/a	'-dynamic -DNDEBUG -g -O3' % arch)
217	n/a
218	n/a	self.assertEqual(get_platform(), 'macosx-10.4-%s' % arch)
219	n/a
220	n/a	# linux debian sarge
221	n/a	os.name = 'posix'
222	n/a	sys.version = ('2.3.5 (#1, Jul 4 2007, 17:28:59) '
223	n/a	'\n[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)]')
224	n/a	sys.platform = 'linux2'
225	n/a	self._set_uname(('Linux', 'aglae', '2.6.21.1dedibox-r7',
226	n/a	'#1 Mon Apr 30 17:25:38 CEST 2007', 'i686'))
227	n/a
228	n/a	self.assertEqual(get_platform(), 'linux-i686')
229	n/a
230	n/a	# XXX more platforms to tests here
231	n/a
232	n/a	def test_get_config_h_filename(self):
233	n/a	config_h = sysconfig.get_config_h_filename()
234	n/a	self.assertTrue(os.path.isfile(config_h), config_h)
235	n/a
236	n/a	def test_get_scheme_names(self):
237	n/a	wanted = ('nt', 'nt_user', 'osx_framework_user',
238	n/a	'posix_home', 'posix_prefix', 'posix_user')
239	n/a	self.assertEqual(get_scheme_names(), wanted)
240	n/a
241	n/a	@skip_unless_symlink
242	n/a	def test_symlink(self):
243	n/a	# On Windows, the EXE needs to know where pythonXY.dll is at so we have
244	n/a	# to add the directory to the path.
245	n/a	if sys.platform == "win32":
246	n/a	os.environ["PATH"] = "{};{}".format(
247	n/a	os.path.dirname(sys.executable), os.environ["PATH"])
248	n/a
249	n/a	# Issue 7880
250	n/a	def get(python):
251	n/a	cmd = [python, '-c',
252	n/a	'import sysconfig; print(sysconfig.get_platform())']
253	n/a	p = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=os.environ)
254	n/a	return p.communicate()
255	n/a	real = os.path.realpath(sys.executable)
256	n/a	link = os.path.abspath(TESTFN)
257	n/a	os.symlink(real, link)
258	n/a	try:
259	n/a	self.assertEqual(get(real), get(link))
260	n/a	finally:
261	n/a	unlink(link)
262	n/a
263	n/a	def test_user_similar(self):
264	n/a	# Issue #8759: make sure the posix scheme for the users
265	n/a	# is similar to the global posix_prefix one
266	n/a	base = get_config_var('base')
267	n/a	user = get_config_var('userbase')
268	n/a	# the global scheme mirrors the distinction between prefix and
269	n/a	# exec-prefix but not the user scheme, so we have to adapt the paths
270	n/a	# before comparing (issue #9100)
271	n/a	adapt = sys.base_prefix != sys.base_exec_prefix
272	n/a	for name in ('stdlib', 'platstdlib', 'purelib', 'platlib'):
273	n/a	global_path = get_path(name, 'posix_prefix')
274	n/a	if adapt:
275	n/a	global_path = global_path.replace(sys.exec_prefix, sys.base_prefix)
276	n/a	base = base.replace(sys.exec_prefix, sys.base_prefix)
277	n/a	elif sys.base_prefix != sys.prefix:
278	n/a	# virtual environment? Likewise, we have to adapt the paths
279	n/a	# before comparing
280	n/a	global_path = global_path.replace(sys.base_prefix, sys.prefix)
281	n/a	base = base.replace(sys.base_prefix, sys.prefix)
282	n/a	user_path = get_path(name, 'posix_user')
283	n/a	self.assertEqual(user_path, global_path.replace(base, user, 1))
284	n/a
285	n/a	def test_main(self):
286	n/a	# just making sure _main() runs and returns things in the stdout
287	n/a	with captured_stdout() as output:
288	n/a	_main()
289	n/a	self.assertTrue(len(output.getvalue().split('\n')) > 0)
290	n/a
291	n/a	@unittest.skipIf(sys.platform == "win32", "Does not apply to Windows")
292	n/a	def test_ldshared_value(self):
293	n/a	ldflags = sysconfig.get_config_var('LDFLAGS')
294	n/a	ldshared = sysconfig.get_config_var('LDSHARED')
295	n/a
296	n/a	self.assertIn(ldflags, ldshared)
297	n/a
298	n/a	@unittest.skipUnless(sys.platform == "darwin", "test only relevant on MacOSX")
299	n/a	def test_platform_in_subprocess(self):
300	n/a	my_platform = sysconfig.get_platform()
301	n/a
302	n/a	# Test without MACOSX_DEPLOYMENT_TARGET in the environment
303	n/a
304	n/a	env = os.environ.copy()
305	n/a	if 'MACOSX_DEPLOYMENT_TARGET' in env:
306	n/a	del env['MACOSX_DEPLOYMENT_TARGET']
307	n/a
308	n/a	p = subprocess.Popen([
309	n/a	sys.executable, '-c',
310	n/a	'import sysconfig; print(sysconfig.get_platform())',
311	n/a	],
312	n/a	stdout=subprocess.PIPE,
313	n/a	stderr=subprocess.DEVNULL,
314	n/a	env=env)
315	n/a	test_platform = p.communicate()[0].strip()
316	n/a	test_platform = test_platform.decode('utf-8')
317	n/a	status = p.wait()
318	n/a
319	n/a	self.assertEqual(status, 0)
320	n/a	self.assertEqual(my_platform, test_platform)
321	n/a
322	n/a	# Test with MACOSX_DEPLOYMENT_TARGET in the environment, and
323	n/a	# using a value that is unlikely to be the default one.
324	n/a	env = os.environ.copy()
325	n/a	env['MACOSX_DEPLOYMENT_TARGET'] = '10.1'
326	n/a
327	n/a	p = subprocess.Popen([
328	n/a	sys.executable, '-c',
329	n/a	'import sysconfig; print(sysconfig.get_platform())',
330	n/a	],
331	n/a	stdout=subprocess.PIPE,
332	n/a	stderr=subprocess.DEVNULL,
333	n/a	env=env)
334	n/a	test_platform = p.communicate()[0].strip()
335	n/a	test_platform = test_platform.decode('utf-8')
336	n/a	status = p.wait()
337	n/a
338	n/a	self.assertEqual(status, 0)
339	n/a	self.assertEqual(my_platform, test_platform)
340	n/a
341	n/a	def test_srcdir(self):
342	n/a	# See Issues #15322, #15364.
343	n/a	srcdir = sysconfig.get_config_var('srcdir')
344	n/a
345	n/a	self.assertTrue(os.path.isabs(srcdir), srcdir)
346	n/a	self.assertTrue(os.path.isdir(srcdir), srcdir)
347	n/a
348	n/a	if sysconfig._PYTHON_BUILD:
349	n/a	# The python executable has not been installed so srcdir
350	n/a	# should be a full source checkout.
351	n/a	Python_h = os.path.join(srcdir, 'Include', 'Python.h')
352	n/a	self.assertTrue(os.path.exists(Python_h), Python_h)
353	n/a	self.assertTrue(sysconfig._is_python_source_dir(srcdir))
354	n/a	elif os.name == 'posix':
355	n/a	makefile_dir = os.path.dirname(sysconfig.get_makefile_filename())
356	n/a	# Issue #19340: srcdir has been realpath'ed already
357	n/a	makefile_dir = os.path.realpath(makefile_dir)
358	n/a	self.assertEqual(makefile_dir, srcdir)
359	n/a
360	n/a	def test_srcdir_independent_of_cwd(self):
361	n/a	# srcdir should be independent of the current working directory
362	n/a	# See Issues #15322, #15364.
363	n/a	srcdir = sysconfig.get_config_var('srcdir')
364	n/a	with change_cwd(os.pardir):
365	n/a	srcdir2 = sysconfig.get_config_var('srcdir')
366	n/a	self.assertEqual(srcdir, srcdir2)
367	n/a
368	n/a	@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
369	n/a	'EXT_SUFFIX required for this test')
370	n/a	def test_SO_deprecation(self):
371	n/a	self.assertWarns(DeprecationWarning,
372	n/a	sysconfig.get_config_var, 'SO')
373	n/a
374	n/a	@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
375	n/a	'EXT_SUFFIX required for this test')
376	n/a	def test_SO_value(self):
377	n/a	with check_warnings(('', DeprecationWarning)):
378	n/a	self.assertEqual(sysconfig.get_config_var('SO'),
379	n/a	sysconfig.get_config_var('EXT_SUFFIX'))
380	n/a
381	n/a	@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
382	n/a	'EXT_SUFFIX required for this test')
383	n/a	def test_SO_in_vars(self):
384	n/a	vars = sysconfig.get_config_vars()
385	n/a	self.assertIsNotNone(vars['SO'])
386	n/a	self.assertEqual(vars['SO'], vars['EXT_SUFFIX'])
387	n/a
388	n/a	@unittest.skipUnless(sys.platform == 'linux' and
389	n/a	hasattr(sys.implementation, '_multiarch'),
390	n/a	'multiarch-specific test')
391	n/a	def test_triplet_in_ext_suffix(self):
392	n/a	ctypes = import_module('ctypes')
393	n/a	import platform, re
394	n/a	machine = platform.machine()
395	n/a	suffix = sysconfig.get_config_var('EXT_SUFFIX')
396	n/a	if re.match('(aarch64\|arm\|mips\|ppc\|powerpc\|s390\|sparc)', machine):
397	n/a	self.assertTrue('linux' in suffix, suffix)
398	n/a	if re.match('(i[3-6]86\|x86_64)$', machine):
399	n/a	if ctypes.sizeof(ctypes.c_char_p()) == 4:
400	n/a	self.assertTrue(suffix.endswith('i386-linux-gnu.so') or
401	n/a	suffix.endswith('x86_64-linux-gnux32.so'),
402	n/a	suffix)
403	n/a	else: # 8 byte pointer size
404	n/a	self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
405	n/a
406	n/a	@unittest.skipUnless(sys.platform == 'darwin', 'OS X-specific test')
407	n/a	def test_osx_ext_suffix(self):
408	n/a	suffix = sysconfig.get_config_var('EXT_SUFFIX')
409	n/a	self.assertTrue(suffix.endswith('-darwin.so'), suffix)
410	n/a
411	n/a	class MakefileTests(unittest.TestCase):
412	n/a
413	n/a	@unittest.skipIf(sys.platform.startswith('win'),
414	n/a	'Test is not Windows compatible')
415	n/a	def test_get_makefile_filename(self):
416	n/a	makefile = sysconfig.get_makefile_filename()
417	n/a	self.assertTrue(os.path.isfile(makefile), makefile)
418	n/a
419	n/a	def test_parse_makefile(self):
420	n/a	self.addCleanup(unlink, TESTFN)
421	n/a	with open(TESTFN, "w") as makefile:
422	n/a	print("var1=a$(VAR2)", file=makefile)
423	n/a	print("VAR2=b$(var3)", file=makefile)
424	n/a	print("var3=42", file=makefile)
425	n/a	print("var4=$/invalid", file=makefile)
426	n/a	print("var5=dollar$$5", file=makefile)
427	n/a	print("var6=${var3}/lib/python3.5/config-$(VAR2)$(var5)"
428	n/a	"-x86_64-linux-gnu", file=makefile)
429	n/a	vars = sysconfig._parse_makefile(TESTFN)
430	n/a	self.assertEqual(vars, {
431	n/a	'var1': 'ab42',
432	n/a	'VAR2': 'b42',
433	n/a	'var3': 42,
434	n/a	'var4': '$/invalid',
435	n/a	'var5': 'dollar$5',
436	n/a	'var6': '42/lib/python3.5/config-b42dollar$5-x86_64-linux-gnu',
437	n/a	})
438	n/a
439	n/a
440	n/a	if __name__ == "__main__":
441	n/a	unittest.main()