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import importlib.resources as ir
from importlib.resources._common import get_resource_reader
from importlib.resources.abc import TraversalError
import pytest
from sitecustomize import ResfsTraversableResources
@pytest.mark.parametrize(
"package, resource",
(
("resources", "foo.txt"),
("resources.submodule", "bar.txt"),
),
)
def test_is_resource_good_path(package, resource):
assert ir.is_resource(package, resource)
@pytest.mark.parametrize(
"package, resource",
(
("resources", "111.txt"),
("resources.submodule", "222.txt"),
),
)
def test_is_resource_missing(package, resource):
assert not ir.is_resource(package, resource)
@pytest.mark.parametrize(
"directory",
(
"data",
"submodule",
),
)
def test_is_resource_subresource_directory(directory):
# Directories are not resources.
assert not ir.is_resource("resources", directory)
@pytest.mark.parametrize(
"package, resource, expected",
(
("resources", "foo.txt", b"bar"),
("resources.submodule", "bar.txt", b"foo"),
),
)
def test_read_binary_good_path(package, resource, expected):
assert ir.read_binary(package, resource) == expected
def test_read_binary_missing():
with pytest.raises(TraversalError):
ir.read_binary("resources", "111.txt")
@pytest.mark.parametrize(
"package, resource, expected",
(
("resources", "foo.txt", "bar"),
("resources.submodule", "bar.txt", "foo"),
),
)
def test_read_text_good_path(package, resource, expected):
assert ir.read_text(package, resource) == expected
def test_read_text_missing():
with pytest.raises(TraversalError):
ir.read_text("resources", "111.txt")
@pytest.mark.parametrize(
"package, expected",
(
("resources", ["data", "submodule", "foo.txt"]),
("resources.submodule", ["bar.txt"]),
),
)
def test_contents_good_path(package, expected):
assert sorted(ir.contents(package)) == sorted(expected)
def test_files_joinpath():
assert ir.files("resources") / "submodule"
assert ir.files("resources") / "foo.txt"
assert ir.files("resources") / "data" / "my_data"
assert ir.files("resources") / "submodule" / "bar.txt"
assert ir.files("resources.submodule") / "bar.txt"
@pytest.mark.parametrize(
"package, resource, expected",
(
("resources", "foo.txt", b"bar"),
("resources", "data/my_data", b"data"),
("resources", "submodule/bar.txt", b"foo"),
("resources.submodule", "bar.txt", b"foo"),
),
)
def test_files_read_bytes(package, resource, expected):
assert (ir.files(package) / resource).read_bytes() == expected
@pytest.mark.parametrize(
"package, resource, expected",
(
("resources", "foo.txt", "bar"),
("resources", "data/my_data", "data"),
("resources", "submodule/bar.txt", "foo"),
("resources.submodule", "bar.txt", "foo"),
),
)
def test_files_read_text(package, resource, expected):
assert (ir.files(package) / resource).read_text() == expected
@pytest.mark.parametrize(
"package, expected",
(
("resources", ("foo.txt", "data", "submodule")),
("resources.submodule", ("bar.txt",)),
),
)
def test_files_iterdir(package, expected):
assert tuple(resource.name for resource in ir.files(package).iterdir()) == expected
@pytest.mark.parametrize(
"package, expected",
(
("resources", ("data", "foo.txt", "submodule")),
("resources.submodule", ("bar.txt",)),
),
)
def test_files_iterdir_with_sort(package, expected):
assert tuple(resource.name for resource in sorted(ir.files(package).iterdir())) == expected
def test_get_resource_reader():
import resources
reader = get_resource_reader(resources)
assert isinstance(reader, ResfsTraversableResources)
assert reader.is_resource("foo.txt") is True
assert reader.is_resource("submodule/bar.txt") is True
assert reader.is_resource("notfound.txt") is False
assert reader.is_resource("submodule") is False
with pytest.raises(FileNotFoundError) as ex:
reader.resource_path("foo.txt")
assert str(ex.value) == "foo.txt"
with reader.open_resource("foo.txt") as f:
assert f.read() == b"bar"
with pytest.raises(FileNotFoundError) as ex:
reader.open_resource("notfound.txt")
assert str(ex.value) == "resfs/file/library/python/runtime_py3/test/resources/notfound.txt"
assert tuple(reader.contents()) == ("foo.txt", "data", "submodule")
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