cpython/Lib/test/test_importlib/test_compatibilty_files.py

103 lines
3.2 KiB
Python

import io
import unittest
from importlib import resources
from importlib.resources._adapters import (
CompatibilityFiles,
wrap_spec,
)
from .resources import util
class CompatibilityFilesTests(unittest.TestCase):
@property
def package(self):
bytes_data = io.BytesIO(b'Hello, world!')
return util.create_package(
file=bytes_data,
path='some_path',
contents=('a', 'b', 'c'),
)
@property
def files(self):
return resources.files(self.package)
def test_spec_path_iter(self):
self.assertEqual(
sorted(path.name for path in self.files.iterdir()),
['a', 'b', 'c'],
)
def test_child_path_iter(self):
self.assertEqual(list((self.files / 'a').iterdir()), [])
def test_orphan_path_iter(self):
self.assertEqual(list((self.files / 'a' / 'a').iterdir()), [])
self.assertEqual(list((self.files / 'a' / 'a' / 'a').iterdir()), [])
def test_spec_path_is(self):
self.assertFalse(self.files.is_file())
self.assertFalse(self.files.is_dir())
def test_child_path_is(self):
self.assertTrue((self.files / 'a').is_file())
self.assertFalse((self.files / 'a').is_dir())
def test_orphan_path_is(self):
self.assertFalse((self.files / 'a' / 'a').is_file())
self.assertFalse((self.files / 'a' / 'a').is_dir())
self.assertFalse((self.files / 'a' / 'a' / 'a').is_file())
self.assertFalse((self.files / 'a' / 'a' / 'a').is_dir())
def test_spec_path_name(self):
self.assertEqual(self.files.name, 'testingpackage')
def test_child_path_name(self):
self.assertEqual((self.files / 'a').name, 'a')
def test_orphan_path_name(self):
self.assertEqual((self.files / 'a' / 'b').name, 'b')
self.assertEqual((self.files / 'a' / 'b' / 'c').name, 'c')
def test_spec_path_open(self):
self.assertEqual(self.files.read_bytes(), b'Hello, world!')
self.assertEqual(self.files.read_text(), 'Hello, world!')
def test_child_path_open(self):
self.assertEqual((self.files / 'a').read_bytes(), b'Hello, world!')
self.assertEqual((self.files / 'a').read_text(), 'Hello, world!')
def test_orphan_path_open(self):
with self.assertRaises(FileNotFoundError):
(self.files / 'a' / 'b').read_bytes()
with self.assertRaises(FileNotFoundError):
(self.files / 'a' / 'b' / 'c').read_bytes()
def test_open_invalid_mode(self):
with self.assertRaises(ValueError):
self.files.open('0')
def test_orphan_path_invalid(self):
with self.assertRaises(ValueError):
CompatibilityFiles.OrphanPath()
def test_wrap_spec(self):
spec = wrap_spec(self.package)
self.assertIsInstance(spec.loader.get_resource_reader(None), CompatibilityFiles)
class CompatibilityFilesNoReaderTests(unittest.TestCase):
@property
def package(self):
return util.create_package_from_loader(None)
@property
def files(self):
return resources.files(self.package)
def test_spec_path_joinpath(self):
self.assertIsInstance(self.files / 'a', CompatibilityFiles.OrphanPath)