File size: 5,062 Bytes
c13737d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | import os
from pathlib import Path
from unittest.mock import patch
import pytest
import zstandard as zstd
from datasets.download.download_config import DownloadConfig
from datasets.utils.file_utils import (
OfflineModeIsEnabled,
cached_path,
fsspec_get,
fsspec_head,
ftp_get,
ftp_head,
get_from_cache,
http_get,
http_head,
)
FILE_CONTENT = """\
Text data.
Second line of data."""
FILE_PATH = "file"
@pytest.fixture(scope="session")
def zstd_path(tmp_path_factory):
path = tmp_path_factory.mktemp("data") / (FILE_PATH + ".zstd")
data = bytes(FILE_CONTENT, "utf-8")
with zstd.open(path, "wb") as f:
f.write(data)
return path
@pytest.fixture
def tmpfs_file(tmpfs):
with open(os.path.join(tmpfs.local_root_dir, FILE_PATH), "w") as f:
f.write(FILE_CONTENT)
return FILE_PATH
@pytest.mark.parametrize("compression_format", ["gzip", "xz", "zstd"])
def test_cached_path_extract(compression_format, gz_file, xz_file, zstd_path, tmp_path, text_file):
input_paths = {"gzip": gz_file, "xz": xz_file, "zstd": zstd_path}
input_path = input_paths[compression_format]
cache_dir = tmp_path / "cache"
download_config = DownloadConfig(cache_dir=cache_dir, extract_compressed_file=True)
extracted_path = cached_path(input_path, download_config=download_config)
with open(extracted_path) as f:
extracted_file_content = f.read()
with open(text_file) as f:
expected_file_content = f.read()
assert extracted_file_content == expected_file_content
@pytest.mark.parametrize("default_extracted", [True, False])
@pytest.mark.parametrize("default_cache_dir", [True, False])
def test_extracted_datasets_path(default_extracted, default_cache_dir, xz_file, tmp_path, monkeypatch):
custom_cache_dir = "custom_cache"
custom_extracted_dir = "custom_extracted_dir"
custom_extracted_path = tmp_path / "custom_extracted_path"
if default_extracted:
expected = ("downloads" if default_cache_dir else custom_cache_dir, "extracted")
else:
monkeypatch.setattr("datasets.config.EXTRACTED_DATASETS_DIR", custom_extracted_dir)
monkeypatch.setattr("datasets.config.EXTRACTED_DATASETS_PATH", str(custom_extracted_path))
expected = custom_extracted_path.parts[-2:] if default_cache_dir else (custom_cache_dir, custom_extracted_dir)
filename = xz_file
download_config = (
DownloadConfig(extract_compressed_file=True)
if default_cache_dir
else DownloadConfig(cache_dir=tmp_path / custom_cache_dir, extract_compressed_file=True)
)
extracted_file_path = cached_path(filename, download_config=download_config)
assert Path(extracted_file_path).parent.parts[-2:] == expected
def test_cached_path_local(text_file):
# input absolute path -> output absolute path
text_file_abs = str(Path(text_file).resolve())
assert os.path.samefile(cached_path(text_file_abs), text_file_abs)
# input relative path -> output absolute path
text_file = __file__
text_file_abs = str(Path(text_file).resolve())
text_file_rel = str(Path(text_file).resolve().relative_to(Path(os.getcwd())))
assert os.path.samefile(cached_path(text_file_rel), text_file_abs)
def test_cached_path_missing_local(tmp_path):
# absolute path
missing_file = str(tmp_path.resolve() / "__missing_file__.txt")
with pytest.raises(FileNotFoundError):
cached_path(missing_file)
# relative path
missing_file = "./__missing_file__.txt"
with pytest.raises(FileNotFoundError):
cached_path(missing_file)
def test_get_from_cache_fsspec(tmpfs_file):
output_path = get_from_cache(f"tmp://{tmpfs_file}")
with open(output_path) as f:
output_file_content = f.read()
assert output_file_content == FILE_CONTENT
@patch("datasets.config.HF_DATASETS_OFFLINE", True)
def test_cached_path_offline():
with pytest.raises(OfflineModeIsEnabled):
cached_path("https://huggingface.co")
@patch("datasets.config.HF_DATASETS_OFFLINE", True)
def test_http_offline(tmp_path_factory):
filename = tmp_path_factory.mktemp("data") / "file.html"
with pytest.raises(OfflineModeIsEnabled):
http_get("https://huggingface.co", temp_file=filename)
with pytest.raises(OfflineModeIsEnabled):
http_head("https://huggingface.co")
@patch("datasets.config.HF_DATASETS_OFFLINE", True)
def test_ftp_offline(tmp_path_factory):
filename = tmp_path_factory.mktemp("data") / "file.html"
with pytest.raises(OfflineModeIsEnabled):
ftp_get("ftp://huggingface.co", temp_file=filename)
with pytest.raises(OfflineModeIsEnabled):
ftp_head("ftp://huggingface.co")
@patch("datasets.config.HF_DATASETS_OFFLINE", True)
def test_fsspec_offline(tmp_path_factory):
filename = tmp_path_factory.mktemp("data") / "file.html"
with pytest.raises(OfflineModeIsEnabled):
fsspec_get("s3://huggingface.co", temp_file=filename)
with pytest.raises(OfflineModeIsEnabled):
fsspec_head("s3://huggingface.co")
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