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import unittest
from importlib import resources
from . import data01
from . import util
class CommonBinaryTests(util.CommonResourceTests, unittest.TestCase):
def execute(self, package, path):
with resources.open_binary(package, path):
pass
class CommonTextTests(util.CommonResourceTests, unittest.TestCase):
def execute(self, package, path):
with resources.open_text(package, path):
pass
class OpenTests:
def test_open_binary(self):
with resources.open_binary(self.data, 'binary.file') as fp:
result = fp.read()
self.assertEqual(result, b'\x00\x01\x02\x03')
def test_open_text_default_encoding(self):
with resources.open_text(self.data, 'utf-8.file') as fp:
result = fp.read()
self.assertEqual(result, 'Hello, UTF-8 world!\n')
def test_open_text_given_encoding(self):
with resources.open_text(
self.data, 'utf-16.file', 'utf-16', '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 resources.open_text(
self.data, 'utf-16.file', 'utf-8', 'strict') as fp:
self.assertRaises(UnicodeError, fp.read)
with resources.open_text(
self.data, 'utf-16.file', 'utf-8', 'ignore') as fp:
result = fp.read()
self.assertEqual(
result,
'H\x00e\x00l\x00l\x00o\x00,\x00 '
'\x00U\x00T\x00F\x00-\x001\x006\x00 '
'\x00w\x00o\x00r\x00l\x00d\x00!\x00\n\x00')
def test_open_binary_FileNotFoundError(self):
self.assertRaises(
FileNotFoundError,
resources.open_binary, self.data, 'does-not-exist')
def test_open_text_FileNotFoundError(self):
self.assertRaises(
FileNotFoundError,
resources.open_text, self.data, 'does-not-exist')
class OpenDiskTests(OpenTests, unittest.TestCase):
def setUp(self):
self.data = data01
class OpenZipTests(OpenTests, util.ZipSetup, unittest.TestCase):
pass
if __name__ == '__main__':
unittest.main()