AlkantarClanX12
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import sys
import unittest
import importlib_resources as resources
import pathlib
from . import data01
from . import util
from importlib import import_module
class ResourceTests:
# Subclasses are expected to set the `data` attribute.
def test_is_file_exists(self):
target = resources.files(self.data) / 'binary.file'
self.assertTrue(target.is_file())
def test_is_file_missing(self):
target = resources.files(self.data) / 'not-a-file'
self.assertFalse(target.is_file())
def test_is_dir(self):
target = resources.files(self.data) / 'subdirectory'
self.assertFalse(target.is_file())
self.assertTrue(target.is_dir())
class ResourceDiskTests(ResourceTests, unittest.TestCase):
def setUp(self):
self.data = data01
class ResourceZipTests(ResourceTests, util.ZipSetup, unittest.TestCase):
pass
def names(traversable):
return {item.name for item in traversable.iterdir()}
class ResourceLoaderTests(unittest.TestCase):
def test_resource_contents(self):
package = util.create_package(
file=data01, path=data01.__file__, contents=['A', 'B', 'C']
)
self.assertEqual(names(resources.files(package)), {'A', 'B', 'C'})
def test_is_file(self):
package = util.create_package(
file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F']
)
self.assertTrue(resources.files(package).joinpath('B').is_file())
def test_is_dir(self):
package = util.create_package(
file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F']
)
self.assertTrue(resources.files(package).joinpath('D').is_dir())
def test_resource_missing(self):
package = util.create_package(
file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F']
)
self.assertFalse(resources.files(package).joinpath('Z').is_file())
class ResourceCornerCaseTests(unittest.TestCase):
def test_package_has_no_reader_fallback(self):
"""
Test odd ball packages which:
# 1. Do not have a ResourceReader as a loader
# 2. Are not on the file system
# 3. Are not in a zip file
"""
module = util.create_package(
file=data01, path=data01.__file__, contents=['A', 'B', 'C']
)
# Give the module a dummy loader.
module.__loader__ = object()
# Give the module a dummy origin.
module.__file__ = '/path/which/shall/not/be/named'
module.__spec__.loader = module.__loader__
module.__spec__.origin = module.__file__
self.assertFalse(resources.files(module).joinpath('A').is_file())
class ResourceFromZipsTest01(util.ZipSetupBase, unittest.TestCase):
ZIP_MODULE = 'data01'
def test_is_submodule_resource(self):
submodule = import_module('data01.subdirectory')
self.assertTrue(resources.files(submodule).joinpath('binary.file').is_file())
def test_read_submodule_resource_by_name(self):
self.assertTrue(
resources.files('data01.subdirectory').joinpath('binary.file').is_file()
)
def test_submodule_contents(self):
submodule = import_module('data01.subdirectory')
self.assertEqual(
names(resources.files(submodule)), {'__init__.py', 'binary.file'}
)
def test_submodule_contents_by_name(self):
self.assertEqual(
names(resources.files('data01.subdirectory')),
{'__init__.py', 'binary.file'},
)
def test_as_file_directory(self):
with resources.as_file(resources.files('data01')) as data:
assert data.name == 'data01'
assert data.is_dir()
assert data.joinpath('subdirectory').is_dir()
assert len(list(data.iterdir()))
assert not data.parent.exists()
class ResourceFromZipsTest02(util.ZipSetupBase, unittest.TestCase):
ZIP_MODULE = 'data02'
def test_unrelated_contents(self):
"""
Test thata zip with two unrelated subpackages return
distinct resources. Ref python/importlib_resources#44.
"""
self.assertEqual(
names(resources.files('data02.one')),
{'__init__.py', 'resource1.txt'},
)
self.assertEqual(
names(resources.files('data02.two')),
{'__init__.py', 'resource2.txt'},
)
class DeletingZipsTest(util.ZipSetupBase, unittest.TestCase):
"""Having accessed resources in a zip file should not keep an open
reference to the zip.
"""
def test_iterdir_does_not_keep_open(self):
[item.name for item in resources.files('data01').iterdir()]
def test_is_file_does_not_keep_open(self):
resources.files('data01').joinpath('binary.file').is_file()
def test_is_file_failure_does_not_keep_open(self):
resources.files('data01').joinpath('not-present').is_file()
@unittest.skip("Desired but not supported.")
def test_as_file_does_not_keep_open(self): # pragma: no cover
resources.as_file(resources.files('data01') / 'binary.file')
def test_entered_path_does_not_keep_open(self):
"""
Mimic what certifi does on import to make its bundle
available for the process duration.
"""
resources.as_file(resources.files('data01') / 'binary.file').__enter__()
def test_read_binary_does_not_keep_open(self):
resources.files('data01').joinpath('binary.file').read_bytes()
def test_read_text_does_not_keep_open(self):
resources.files('data01').joinpath('utf-8.file').read_text(encoding='utf-8')
class ResourceFromNamespaceTests:
def test_is_submodule_resource(self):
self.assertTrue(
resources.files(import_module('namespacedata01'))
.joinpath('binary.file')
.is_file()
)
def test_read_submodule_resource_by_name(self):
self.assertTrue(
resources.files('namespacedata01').joinpath('binary.file').is_file()
)
def test_submodule_contents(self):
contents = names(resources.files(import_module('namespacedata01')))
try:
contents.remove('__pycache__')
except KeyError:
pass
self.assertEqual(
contents, {'subdirectory', 'binary.file', 'utf-8.file', 'utf-16.file'}
)
def test_submodule_contents_by_name(self):
contents = names(resources.files('namespacedata01'))
try:
contents.remove('__pycache__')
except KeyError:
pass
self.assertEqual(
contents, {'subdirectory', 'binary.file', 'utf-8.file', 'utf-16.file'}
)
def test_submodule_sub_contents(self):
contents = names(resources.files(import_module('namespacedata01.subdirectory')))
try:
contents.remove('__pycache__')
except KeyError:
pass
self.assertEqual(contents, {'binary.file'})
def test_submodule_sub_contents_by_name(self):
contents = names(resources.files('namespacedata01.subdirectory'))
try:
contents.remove('__pycache__')
except KeyError:
pass
self.assertEqual(contents, {'binary.file'})
class ResourceFromNamespaceDiskTests(ResourceFromNamespaceTests, unittest.TestCase):
site_dir = str(pathlib.Path(__file__).parent)
@classmethod
def setUpClass(cls):
sys.path.append(cls.site_dir)
@classmethod
def tearDownClass(cls):
sys.path.remove(cls.site_dir)
class ResourceFromNamespaceZipTests(
util.ZipSetupBase,
ResourceFromNamespaceTests,
unittest.TestCase,
):
ZIP_MODULE = 'namespacedata01'
if __name__ == '__main__':
unittest.main()