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bpo-46125: Refactor tests to test traversable API directly. Includes changes from importlib_resources 5.4.0. (GH-30189)

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Jason R. Coombs 2021-12-18 21:28:49 -05:00 • committed by GitHub
parent fe68486197
commit 9b52920173
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11 changed files with 152 additions and 211 deletions
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57
Lib/test/test_importlib/test_open.py
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@ -7,47 +7,44 @@ from .resources import util
class CommonBinaryTests(util.CommonTests, unittest.TestCase):
def execute(self, package, path):
with util.suppress_known_deprecation():
with resources.open_binary(package, path):
pass
target = resources.files(package).joinpath(path)
with target.open('rb'):
pass
class CommonTextTests(util.CommonTests, unittest.TestCase):
def execute(self, package, path):
with util.suppress_known_deprecation():
with resources.open_text(package, path):
pass
target = resources.files(package).joinpath(path)
with target.open():
pass
class OpenTests:
def test_open_binary(self):
with util.suppress_known_deprecation():
with resources.open_binary(self.data, 'binary.file') as fp:
result = fp.read()
self.assertEqual(result, b'\x00\x01\x02\x03')
target = resources.files(self.data) / 'binary.file'
with target.open('rb') as fp:
result = fp.read()
self.assertEqual(result, b'\x00\x01\x02\x03')
def test_open_text_default_encoding(self):
with util.suppress_known_deprecation():
with resources.open_text(self.data, 'utf-8.file') as fp:
result = fp.read()
target = resources.files(self.data) / 'utf-8.file'
with target.open() as fp:
result = fp.read()
self.assertEqual(result, 'Hello, UTF-8 world!\n')
def test_open_text_given_encoding(self):
with util.suppress_known_deprecation():
with resources.open_text(
self.data, 'utf-16.file', 'utf-16', 'strict'
) as fp:
result = fp.read()
target = resources.files(self.data) / 'utf-16.file'
with target.open(encoding='utf-16', errors='strict') as fp:
result = fp.read()
self.assertEqual(result, 'Hello, UTF-16 world!\n')
def test_open_text_with_errors(self):
# Raises UnicodeError without the 'errors' argument.
with util.suppress_known_deprecation():
with resources.open_text(self.data, 'utf-16.file', 'utf-8', 'strict') as fp:
self.assertRaises(UnicodeError, fp.read)
with util.suppress_known_deprecation():
with resources.open_text(self.data, 'utf-16.file', 'utf-8', 'ignore') as fp:
result = fp.read()
target = resources.files(self.data) / 'utf-16.file'
with target.open(encoding='utf-8', errors='strict') as fp:
self.assertRaises(UnicodeError, fp.read)
with target.open(encoding='utf-8', errors='ignore') as fp:
result = fp.read()
self.assertEqual(
result,
'H\x00e\x00l\x00l\x00o\x00,\x00 '
@ -56,16 +53,12 @@ class OpenTests:
)
def test_open_binary_FileNotFoundError(self):
with util.suppress_known_deprecation():
self.assertRaises(
FileNotFoundError, resources.open_binary, self.data, 'does-not-exist'
)
target = resources.files(self.data) / 'does-not-exist'
self.assertRaises(FileNotFoundError, target.open, 'rb')
def test_open_text_FileNotFoundError(self):
with util.suppress_known_deprecation():
self.assertRaises(
FileNotFoundError, resources.open_text, self.data, 'does-not-exist'
)
target = resources.files(self.data) / 'does-not-exist'
self.assertRaises(FileNotFoundError, target.open)
class OpenDiskTests(OpenTests, unittest.TestCase):