Python code coverage for Lib/test/test_importlib/source/test_case_sensitivity.py

#	count	content
1	n/a	"""Test case-sensitivity (PEP 235)."""
2	n/a	from .. import util
3	n/a
4	n/a	importlib = util.import_importlib('importlib')
5	n/a	machinery = util.import_importlib('importlib.machinery')
6	n/a
7	n/a	import os
8	n/a	from test import support as test_support
9	n/a	import unittest
10	n/a
11	n/a
12	n/a	@util.case_insensitive_tests
13	n/a	class CaseSensitivityTest(util.CASEOKTestBase):
14	n/a
15	n/a	"""PEP 235 dictates that on case-preserving, case-insensitive file systems
16	n/a	that imports are case-sensitive unless the PYTHONCASEOK environment
17	n/a	variable is set."""
18	n/a
19	n/a	name = 'MoDuLe'
20	n/a	assert name != name.lower()
21	n/a
22	n/a	def finder(self, path):
23	n/a	return self.machinery.FileFinder(path,
24	n/a	(self.machinery.SourceFileLoader,
25	n/a	self.machinery.SOURCE_SUFFIXES),
26	n/a	(self.machinery.SourcelessFileLoader,
27	n/a	self.machinery.BYTECODE_SUFFIXES))
28	n/a
29	n/a	def sensitivity_test(self):
30	n/a	"""Look for a module with matching and non-matching sensitivity."""
31	n/a	sensitive_pkg = 'sensitive.{0}'.format(self.name)
32	n/a	insensitive_pkg = 'insensitive.{0}'.format(self.name.lower())
33	n/a	context = util.create_modules(insensitive_pkg, sensitive_pkg)
34	n/a	with context as mapping:
35	n/a	sensitive_path = os.path.join(mapping['.root'], 'sensitive')
36	n/a	insensitive_path = os.path.join(mapping['.root'], 'insensitive')
37	n/a	sensitive_finder = self.finder(sensitive_path)
38	n/a	insensitive_finder = self.finder(insensitive_path)
39	n/a	return self.find(sensitive_finder), self.find(insensitive_finder)
40	n/a
41	n/a	def test_sensitive(self):
42	n/a	with test_support.EnvironmentVarGuard() as env:
43	n/a	env.unset('PYTHONCASEOK')
44	n/a	self.caseok_env_changed(should_exist=False)
45	n/a	sensitive, insensitive = self.sensitivity_test()
46	n/a	self.assertIsNotNone(sensitive)
47	n/a	self.assertIn(self.name, sensitive.get_filename(self.name))
48	n/a	self.assertIsNone(insensitive)
49	n/a
50	n/a	def test_insensitive(self):
51	n/a	with test_support.EnvironmentVarGuard() as env:
52	n/a	env.set('PYTHONCASEOK', '1')
53	n/a	self.caseok_env_changed(should_exist=True)
54	n/a	sensitive, insensitive = self.sensitivity_test()
55	n/a	self.assertIsNotNone(sensitive)
56	n/a	self.assertIn(self.name, sensitive.get_filename(self.name))
57	n/a	self.assertIsNotNone(insensitive)
58	n/a	self.assertIn(self.name, insensitive.get_filename(self.name))
59	n/a
60	n/a
61	n/a	class CaseSensitivityTestPEP302(CaseSensitivityTest):
62	n/a	def find(self, finder):
63	n/a	return finder.find_module(self.name)
64	n/a
65	n/a
66	n/a	(Frozen_CaseSensitivityTestPEP302,
67	n/a	Source_CaseSensitivityTestPEP302
68	n/a	) = util.test_both(CaseSensitivityTestPEP302, importlib=importlib,
69	n/a	machinery=machinery)
70	n/a
71	n/a
72	n/a	class CaseSensitivityTestPEP451(CaseSensitivityTest):
73	n/a	def find(self, finder):
74	n/a	found = finder.find_spec(self.name)
75	n/a	return found.loader if found is not None else found
76	n/a
77	n/a
78	n/a	(Frozen_CaseSensitivityTestPEP451,
79	n/a	Source_CaseSensitivityTestPEP451
80	n/a	) = util.test_both(CaseSensitivityTestPEP451, importlib=importlib,
81	n/a	machinery=machinery)
82	n/a
83	n/a
84	n/a	if __name__ == '__main__':
85	n/a	unittest.main()