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EDIT :: test_compatibilty_files.py

import io import unittest import importlib_resources as resources from importlib_resources._adapters import ( CompatibilityFiles, wrap_spec, ) from . 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(encoding='utf-8'), '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(encoding='utf-8'), '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)

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