Files
lancedb/python/tests/test_util.py
Chang She 7bbb2872de bug(python): fix path handling in windows (#724)
Use pathlib for local paths so that pathlib
can handle the correct separator on windows.

Closes #703

---------

Co-authored-by: Will Jones <willjones127@gmail.com>
2023-12-20 15:41:36 -08:00

88 lines
2.8 KiB
Python

# Copyright 2023 LanceDB Developers
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import pathlib
import pytest
from lancedb.util import get_uri_scheme, join_uri
def test_normalize_uri():
uris = [
"relative/path",
"/absolute/path",
"file:///absolute/path",
"s3://bucket/path",
"gs://bucket/path",
"c:\\windows\\path",
]
schemes = ["file", "file", "file", "s3", "gs", "file"]
for uri, expected_scheme in zip(uris, schemes):
parsed_scheme = get_uri_scheme(uri)
assert parsed_scheme == expected_scheme
def test_join_uri_remote():
schemes = ["s3", "az", "gs"]
for scheme in schemes:
expected = f"{scheme}://bucket/path/to/table.lance"
base_uri = f"{scheme}://bucket/path/to/"
parts = ["table.lance"]
assert join_uri(base_uri, *parts) == expected
base_uri = f"{scheme}://bucket"
parts = ["path", "to", "table.lance"]
assert join_uri(base_uri, *parts) == expected
# skip this test if on windows
@pytest.mark.skipif(os.name == "nt", reason="Windows paths are not POSIX")
def test_join_uri_posix():
for base in [
# relative path
"relative/path",
"relative/path/",
# an absolute path
"/absolute/path",
"/absolute/path/",
# a file URI
"file:///absolute/path",
"file:///absolute/path/",
]:
joined = join_uri(base, "table.lance")
assert joined == str(pathlib.Path(base) / "table.lance")
joined = join_uri(pathlib.Path(base), "table.lance")
assert joined == pathlib.Path(base) / "table.lance"
# skip this test if not on windows
@pytest.mark.skipif(os.name != "nt", reason="Windows paths are not POSIX")
def test_local_join_uri_windows():
# https://learn.microsoft.com/en-us/dotnet/standard/io/file-path-formats
for base in [
# windows relative path
"relative\\path",
"relative\\path\\",
# windows absolute path from current drive
"c:\\absolute\\path",
# relative path from root of current drive
"\\relative\\path",
]:
joined = join_uri(base, "table.lance")
assert joined == str(pathlib.Path(base) / "table.lance")
joined = join_uri(pathlib.Path(base), "table.lance")
assert joined == pathlib.Path(base) / "table.lance"