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263 lines
6.4 KiB
Python
263 lines
6.4 KiB
Python
import os
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import pathlib
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import pytest
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import trio
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from trio._path import AsyncAutoWrapperType as Type
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from trio._file_io import AsyncIOWrapper
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@pytest.fixture
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def path(tmpdir):
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p = str(tmpdir.join("test"))
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return trio.Path(p)
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def method_pair(path, method_name):
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path = pathlib.Path(path)
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async_path = trio.Path(path)
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return getattr(path, method_name), getattr(async_path, method_name)
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async def test_open_is_async_context_manager(path):
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async with await path.open("w") as f:
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assert isinstance(f, AsyncIOWrapper)
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assert f.closed
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async def test_magic():
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path = trio.Path("test")
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assert str(path) == "test"
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assert bytes(path) == b"test"
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cls_pairs = [
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(trio.Path, pathlib.Path),
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(pathlib.Path, trio.Path),
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(trio.Path, trio.Path),
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]
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@pytest.mark.parametrize("cls_a,cls_b", cls_pairs)
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async def test_cmp_magic(cls_a, cls_b):
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a, b = cls_a(""), cls_b("")
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assert a == b
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assert not a != b
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a, b = cls_a("a"), cls_b("b")
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assert a < b
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assert b > a
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# this is intentionally testing equivalence with none, due to the
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# other=sentinel logic in _forward_magic
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assert not a == None # noqa
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assert not b == None # noqa
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# upstream python3.8 bug: we should also test (pathlib.Path, trio.Path), but
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# __*div__ does not properly raise NotImplementedError like the other comparison
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# magic, so trio.Path's implementation does not get dispatched
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cls_pairs = [
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(trio.Path, pathlib.Path),
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(trio.Path, trio.Path),
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(trio.Path, str),
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(str, trio.Path),
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]
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@pytest.mark.parametrize("cls_a,cls_b", cls_pairs)
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async def test_div_magic(cls_a, cls_b):
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a, b = cls_a("a"), cls_b("b")
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result = a / b
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assert isinstance(result, trio.Path)
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assert str(result) == os.path.join("a", "b")
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@pytest.mark.parametrize(
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"cls_a,cls_b", [(trio.Path, pathlib.Path), (trio.Path, trio.Path)]
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)
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@pytest.mark.parametrize("path", ["foo", "foo/bar/baz", "./foo"])
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async def test_hash_magic(cls_a, cls_b, path):
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a, b = cls_a(path), cls_b(path)
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assert hash(a) == hash(b)
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async def test_forwarded_properties(path):
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# use `name` as a representative of forwarded properties
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assert "name" in dir(path)
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assert path.name == "test"
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async def test_async_method_signature(path):
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# use `resolve` as a representative of wrapped methods
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assert path.resolve.__name__ == "resolve"
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assert path.resolve.__qualname__ == "Path.resolve"
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assert "pathlib.Path.resolve" in path.resolve.__doc__
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@pytest.mark.parametrize("method_name", ["is_dir", "is_file"])
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async def test_compare_async_stat_methods(method_name):
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method, async_method = method_pair(".", method_name)
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result = method()
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async_result = await async_method()
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assert result == async_result
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async def test_invalid_name_not_wrapped(path):
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with pytest.raises(AttributeError):
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getattr(path, "invalid_fake_attr")
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@pytest.mark.parametrize("method_name", ["absolute", "resolve"])
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async def test_async_methods_rewrap(method_name):
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method, async_method = method_pair(".", method_name)
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result = method()
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async_result = await async_method()
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assert isinstance(async_result, trio.Path)
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assert str(result) == str(async_result)
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async def test_forward_methods_rewrap(path, tmpdir):
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with_name = path.with_name("foo")
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with_suffix = path.with_suffix(".py")
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assert isinstance(with_name, trio.Path)
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assert with_name == tmpdir.join("foo")
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assert isinstance(with_suffix, trio.Path)
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assert with_suffix == tmpdir.join("test.py")
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async def test_forward_properties_rewrap(path):
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assert isinstance(path.parent, trio.Path)
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async def test_forward_methods_without_rewrap(path, tmpdir):
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path = await path.parent.resolve()
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assert path.as_uri().startswith("file:///")
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async def test_repr():
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path = trio.Path(".")
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assert repr(path) == "trio.Path('.')"
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class MockWrapped:
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unsupported = "unsupported"
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_private = "private"
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class MockWrapper:
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_forwards = MockWrapped
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_wraps = MockWrapped
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async def test_type_forwards_unsupported():
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with pytest.raises(TypeError):
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Type.generate_forwards(MockWrapper, {})
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async def test_type_wraps_unsupported():
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with pytest.raises(TypeError):
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Type.generate_wraps(MockWrapper, {})
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async def test_type_forwards_private():
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Type.generate_forwards(MockWrapper, {"unsupported": None})
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assert not hasattr(MockWrapper, "_private")
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async def test_type_wraps_private():
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Type.generate_wraps(MockWrapper, {"unsupported": None})
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assert not hasattr(MockWrapper, "_private")
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@pytest.mark.parametrize("meth", [trio.Path.__init__, trio.Path.joinpath])
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async def test_path_wraps_path(path, meth):
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wrapped = await path.absolute()
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result = meth(path, wrapped)
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if result is None:
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result = path
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assert wrapped == result
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async def test_path_nonpath():
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with pytest.raises(TypeError):
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trio.Path(1)
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async def test_open_file_can_open_path(path):
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async with await trio.open_file(path, "w") as f:
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assert f.name == os.fspath(path)
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async def test_globmethods(path):
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# Populate a directory tree
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await path.mkdir()
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await (path / "foo").mkdir()
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await (path / "foo" / "_bar.txt").write_bytes(b"")
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await (path / "bar.txt").write_bytes(b"")
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await (path / "bar.dat").write_bytes(b"")
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# Path.glob
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for _pattern, _results in {
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"*.txt": {"bar.txt"},
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"**/*.txt": {"_bar.txt", "bar.txt"},
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}.items():
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entries = set()
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for entry in await path.glob(_pattern):
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assert isinstance(entry, trio.Path)
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entries.add(entry.name)
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assert entries == _results
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# Path.rglob
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entries = set()
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for entry in await path.rglob("*.txt"):
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assert isinstance(entry, trio.Path)
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entries.add(entry.name)
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assert entries == {"_bar.txt", "bar.txt"}
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async def test_iterdir(path):
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# Populate a directory
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await path.mkdir()
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await (path / "foo").mkdir()
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await (path / "bar.txt").write_bytes(b"")
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entries = set()
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for entry in await path.iterdir():
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assert isinstance(entry, trio.Path)
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entries.add(entry.name)
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assert entries == {"bar.txt", "foo"}
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async def test_classmethods():
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assert isinstance(await trio.Path.home(), trio.Path)
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# pathlib.Path has only two classmethods
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assert str(await trio.Path.home()) == os.path.expanduser("~")
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assert str(await trio.Path.cwd()) == os.getcwd()
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# Wrapped method has docstring
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assert trio.Path.home.__doc__
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