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Check against the actual filename in pathutils tests. (#500)

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(fixes gh-243)

Under some corner cases the tests for pathutils fail, due to how Python's import system does not resolve casing on filenames. This PR fixes that.
This commit is contained in:
Eric Snow 2018-06-19 17:45:47 -06:00 • committed by GitHub
parent 115bdc164c
commit ea02ca59e6
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1 changed files with 48 additions and 22 deletions
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70
tests/ptvsd/test_pathutils.py
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@ -1,3 +1,4 @@
import os
import os.path
import platform
import unittest
@ -5,62 +6,87 @@ import unittest
from ptvsd.pathutils import PathUnNormcase
def _find_file(filename):
filename = os.path.normcase(os.path.normpath(filename))
drive = os.path.splitdrive(filename)[0]
found = []
while True:
dirname, basename = os.path.split(filename)
for name in os.listdir(dirname or '.'):
if os.path.normcase(name) == basename:
found.insert(0, name)
break
else:
raise Exception('oops: {}'.format(dirname))
if not dirname or dirname == drive or dirname == drive + os.path.sep:
return dirname.upper() + os.path.sep.join(found)
filename = dirname
FILENAME = __file__
ACTUAL = _find_file(FILENAME)
class PathUtilTests(unittest.TestCase):
def test_invalid_path_names(self):
tool = PathUnNormcase()
file_path = 'x:/this is an/invalid/file/invalid_file_.csv'
self.assertEqual(file_path,
tool.un_normcase(file_path))
result = tool.un_normcase(file_path)
self.assertEqual(result, file_path)
def test_empty_path_names(self):
tool = PathUnNormcase()
file_path = ''
self.assertEqual(file_path,
tool.un_normcase(file_path))
result = tool.un_normcase(file_path)
self.assertEqual(result, file_path)
def test_valid_names(self):
tool = PathUnNormcase()
file_path = __file__
self.assertEqual(file_path,
tool.un_normcase(file_path))
result = tool.un_normcase(FILENAME)
self.assertEqual(result, FILENAME)
def test_path_names_normcased(self):
tool = PathUnNormcase()
tool.enable()
file_path = __file__
self.assertEqual(file_path,
tool.un_normcase(os.path.normcase(file_path)))
result = tool.un_normcase(
os.path.normcase(FILENAME))
self.assertEqual(result, ACTUAL)
@unittest.skipIf(platform.system() != 'Windows',
"Windows OS specific test")
def test_path_names_uppercase_disabled(self):
tool = PathUnNormcase()
file_path = __file__
self.assertNotEqual(file_path,
tool.un_normcase(file_path.upper()))
result = tool.un_normcase(FILENAME.upper())
self.assertEqual(result, FILENAME)
@unittest.skipIf(platform.system() != 'Windows',
"Windows OS specific test")
def test_path_names_uppercase_enabled(self):
tool = PathUnNormcase()
tool.enable()
file_path = __file__
self.assertEqual(file_path,
tool.un_normcase(file_path.upper()))
result = tool.un_normcase(FILENAME.upper())
self.assertEqual(result, ACTUAL)
@unittest.skipIf(platform.system() != 'Windows',
"Windows OS specific test")
def test_path_names_lowercase_disabled(self):
tool = PathUnNormcase()
file_path = __file__
self.assertNotEqual(file_path,
tool.un_normcase(file_path.lower()))
result = tool.un_normcase(FILENAME.lower())
self.assertEqual(result, FILENAME)
@unittest.skipIf(platform.system() != 'Windows',
"Windows OS specific test")
def test_path_names_lowercase_enabled(self):
tool = PathUnNormcase()
tool.enable()
file_path = __file__
self.assertEqual(file_path,
tool.un_normcase(file_path.lower()))
result = tool.un_normcase(FILENAME.lower())
self.assertEqual(result, ACTUAL)