Files
dvc/tests/unit/utils/test_utils.py
T

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3.7 KiB
Python

import re
import os
import pytest
from dvc.path_info import PathInfo
from dvc.utils import file_md5, resolve_output
from dvc.utils import fix_env
from dvc.utils import relpath
from dvc.utils import to_chunks
from dvc.utils import tmp_fname
@pytest.mark.parametrize(
"chunk_size, expected_chunks",
[(1, [[1], [2], [3], [4]]), (2, [[1, 2], [3, 4]]), (3, [[1, 2, 3], [4]])],
)
def test_to_chunks_chunk_size(chunk_size, expected_chunks):
list_to_chunk = [1, 2, 3, 4]
result = list(to_chunks(list_to_chunk, chunk_size=chunk_size))
assert result == expected_chunks
@pytest.mark.parametrize("num_chunks, chunk_size", [(1, 2), (None, None)])
def test_to_chunks_should_raise(num_chunks, chunk_size):
list_to_chunk = [1, 2, 3]
with pytest.raises(ValueError):
to_chunks(list_to_chunk, num_chunks, chunk_size)
@pytest.mark.parametrize(
"num_chunks, expected_chunks",
[(4, [[1], [2], [3], [4]]), (3, [[1, 2], [3, 4]]), (2, [[1, 2], [3, 4]])],
)
def test_to_chunks_num_chunks(num_chunks, expected_chunks):
list_to_chunk = [1, 2, 3, 4]
result = to_chunks(list_to_chunk, num_chunks=num_chunks)
assert result == expected_chunks
@pytest.mark.skipif(os.name == "nt", reason="pyenv-win is not supported")
@pytest.mark.parametrize(
"path, orig",
[
(
(
"/pyenv/bin:/pyenv/libexec:/pyenv/plugins/plugin:"
"/orig/path1:/orig/path2"
),
"/orig/path1:/orig/path2",
),
(
"/pyenv/bin:/pyenv/libexec:/orig/path1:/orig/path2",
"/orig/path1:/orig/path2",
),
(
(
"/pyenv/bin:/some/libexec:/pyenv/plugins/plugin:"
"/orig/path1:/orig/path2"
),
"/orig/path1:/orig/path2",
),
("/orig/path1:/orig/path2", "/orig/path1:/orig/path2"),
(
"/orig/path1:/orig/path2:/pyenv/bin:/pyenv/libexec",
"/orig/path1:/orig/path2:/pyenv/bin:/pyenv/libexec",
),
],
)
def test_fix_env_pyenv(path, orig):
env = {
"PATH": path,
"PYENV_ROOT": "/pyenv",
"PYENV_VERSION": "3.7.2",
"PYENV_DIR": "/some/dir",
"PYENV_HOOK_PATH": "/some/hook/path",
}
assert fix_env(env)["PATH"] == orig
def test_file_md5(tmp_dir):
tmp_dir.gen("foo", "foo content")
assert file_md5("foo") == file_md5(PathInfo("foo"))
def test_tmp_fname():
file_path = os.path.join("path", "to", "file")
file_path_info = PathInfo(file_path)
def pattern(path):
return r"^" + re.escape(path) + r"\.[a-z0-9]{22}\.tmp$"
assert re.search(pattern(file_path), tmp_fname(file_path), re.IGNORECASE)
assert re.search(
pattern(file_path_info.fspath),
tmp_fname(file_path_info),
re.IGNORECASE,
)
def test_relpath():
path = "path"
path_info = PathInfo(path)
assert relpath(path) == relpath(path_info)
@pytest.mark.parametrize(
"inp,out,is_dir,expected",
[
["target", None, False, "target"],
["target", "dir", True, os.path.join("dir", "target")],
["target", "file_target", False, "file_target"],
[
"target",
os.path.join("dir", "subdir"),
True,
os.path.join("dir", "subdir", "target"),
],
["dir/", None, False, "dir"],
["dir", None, False, "dir"],
["dir", "other_dir", False, "other_dir"],
["dir", "other_dir", True, os.path.join("other_dir", "dir")],
],
)
def test_resolve_output(inp, out, is_dir, expected, mocker):
with mocker.patch("os.path.isdir", return_value=is_dir):
result = resolve_output(inp, out)
assert result == expected