cpython/Lib/test/test_importlib/test_read.py

78 lines
2.6 KiB
Python

import unittest
from importlib import import_module, resources
from . import data01
from .resources import util
class CommonBinaryTests(util.CommonTests, unittest.TestCase):
def execute(self, package, path):
with util.suppress_known_deprecation():
resources.read_binary(package, path)
class CommonTextTests(util.CommonTests, unittest.TestCase):
def execute(self, package, path):
with util.suppress_known_deprecation():
resources.read_text(package, path)
class ReadTests:
def test_read_binary(self):
with util.suppress_known_deprecation():
result = resources.read_binary(self.data, 'binary.file')
self.assertEqual(result, b'\0\1\2\3')
def test_read_text_default_encoding(self):
with util.suppress_known_deprecation():
result = resources.read_text(self.data, 'utf-8.file')
self.assertEqual(result, 'Hello, UTF-8 world!\n')
def test_read_text_given_encoding(self):
with util.suppress_known_deprecation():
result = resources.read_text(self.data, 'utf-16.file', encoding='utf-16')
self.assertEqual(result, 'Hello, UTF-16 world!\n')
def test_read_text_with_errors(self):
# Raises UnicodeError without the 'errors' argument.
with util.suppress_known_deprecation():
self.assertRaises(
UnicodeError, resources.read_text, self.data, 'utf-16.file'
)
with util.suppress_known_deprecation():
result = resources.read_text(self.data, 'utf-16.file', errors='ignore')
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',
)
class ReadDiskTests(ReadTests, unittest.TestCase):
data = data01
class ReadZipTests(ReadTests, util.ZipSetup, unittest.TestCase):
def test_read_submodule_resource(self):
submodule = import_module('ziptestdata.subdirectory')
with util.suppress_known_deprecation():
result = resources.read_binary(submodule, 'binary.file')
self.assertEqual(result, b'\0\1\2\3')
def test_read_submodule_resource_by_name(self):
with util.suppress_known_deprecation():
result = resources.read_binary('ziptestdata.subdirectory', 'binary.file')
self.assertEqual(result, b'\0\1\2\3')
class ReadNamespaceTests(ReadTests, unittest.TestCase):
def setUp(self):
from . import namespacedata01
self.data = namespacedata01
if __name__ == '__main__':
unittest.main()