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dvc/tests/unit/test_ignore.py
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Saugat Pachhai (सौगात) 570e3a5359 dvc.fs: move fs to dvc.objects.fs
Some of the APIs/FileSystems are reimported inside dvc.fs module.
2022-05-16 13:15:19 +03:00

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import os
from unittest.mock import MagicMock, mock_open, patch
import pytest
from dvc.ignore import DvcIgnorePatterns
def mock_dvcignore(dvcignore_path, patterns):
from dvc.fs import localfs
fs = MagicMock()
fs.path = localfs.path
fs.sep = localfs.sep
with patch.object(fs, "open", mock_open(read_data="\n".join(patterns))):
ignore_patterns = DvcIgnorePatterns.from_file(
dvcignore_path, fs, "mocked"
)
return ignore_patterns
@pytest.mark.parametrize(
"file_to_ignore_relpath, patterns, expected_match",
[
# all rules from https://git-scm.com/docs/gitignore
("to_ignore", ["to_ignore"], True),
("dont_ignore.txt", ["dont_ignore"], False),
# A blank line matches no files, so it can serve as a separator for
# readability.
("to_ignore", ["", "to_ignore"], True),
# A line starting with # serves as a comment.
# Put a backslash ("\") in front of the first hash for patterns
# that begin with a hash.
("#to_ignore", ["\\#to_ignore"], True),
("#to_ignore", ["#to_ignore"], False),
# Trailing spaces are ignored unless they are quoted with
# backslash ("\").
(" to_ignore", [" to_ignore"], False),
(" to_ignore", ["\\ to_ignore"], True),
# An optional prefix "!" which negates the pattern; any matching file
# excluded by a previous pattern will become included again.
("to_ignore.txt", ["to_ignore*"], True),
("to_ignore.txt", ["to_ignore*", "!to_ignore.txt"], False),
("to_ignore.txt", ["!to_ignore.txt", "to_ignore*"], True),
# It is not possible to re-include a file if a parent directory of
# that file is excluded.
# Git doesn’t list excluded directories for performance reasons,
# so any patterns on contained files have no effect,
# no matter where they are defined.
# see (`tests/func/test_ignore.py::test_ignore_parent_path`)
# Put a backslash ("\") in front of the first "!"
# for patterns that begin with a literal "!",
# for example, "\!important!.txt".
("!to_ignore.txt", ["\\!to_ignore.txt"], True),
# The slash / is used as the directory separator.
# Separators may occur at the beginning, middle or end of the
# .gitignore search pattern.
# If there is a separator at the beginning or middle (or both)
# of the pattern, then the pattern is relative to the directory
# level of the particular .gitignore file itself.
# Otherwise the pattern may also match at any level below
# the .gitignore level.
("file", ["/file"], True),
(os.path.join("data", "file"), ["/file"], False),
(os.path.join("data", "file"), ["data/file"], True),
(os.path.join("other", "data", "file"), ["data/file"], False),
(
os.path.join(
os.path.sep,
"full",
"path",
"to",
"ignore",
"file",
"to_ignore",
),
["to_ignore"],
True,
),
# If there is a separator at the end of the pattern then the pattern
# will only match directories,
# otherwise the pattern can match both files and directories.
# For example, a pattern doc/frotz/ matches doc/frotz directory,
# but not a/doc/frotz directory;
# see (`tests/func/test_ignore.py::test_ignore_sub_directory`)
# however frotz/ matches frotz and a/frotz that is a directory
# (all paths are relative from the .gitignore file).
# see (`tests/func/test_ignore.py::test_ignore_directory`)
# An asterisk "*" matches anything except a slash.
("to_ignore.txt", ["/*.txt"], True),
(os.path.join("path", "to_ignore.txt"), ["/*.txt"], False),
(os.path.join("data", "file.txt"), ["data/*"], True),
(os.path.join("data", "subdir", "file.txt"), ["data/*"], False),
(os.path.join("data", "file.txt"), ["data/"], True),
(os.path.join("data", "subdir", "file.txt"), ["data/"], True),
(os.path.join("data", "subdir", "file.txt"), ["subdir/"], True),
(os.path.join("data", "subdir", "file.txt"), ["/subdir/"], False),
(os.path.join("data", "path"), ["path/"], False),
(os.path.join(".git", "file.txt"), [".git/"], True),
(os.path.join("data", ".dvc", "file.txt"), [".dvc/"], True),
# wait for Git
# (os.path.join("data", "sub", "file.txt"), ["data/*"], True),
(
os.path.join("rel", "path", "path2", "to_ignore"),
["rel/*/to_ignore"],
False,
),
("file.txt", ["file.*"], True),
# The character "?" matches any one character except "/".
("file.txt", ["fi?e.t?t"], True),
("fi/e.txt", ["fi?e.t?t"], False),
# The range notation, e.g. [a-zA-Z], can be used
# to match one of the characters in a range. See fnmatch(3) and
# the FNM_PATHNAME flag for a more detailed description.
("file.txt", ["[a-zA-Z]ile.txt"], True),
("2ile.txt", ["[a-zA-Z]ile.txt"], False),
# Two consecutive asterisks ("**") in patterns matched against
# full pathname may have special meaning:
# A leading "**" followed by a slash means match in all directories.
# For example, "**/foo" matches file or directory "foo" anywhere, the
# same as pattern "foo".
# "**/foo/bar" matches file or directory "bar" anywhere that is
# directly under directory "foo".
(os.path.join("rel", "p", "p2", "to_ignore"), ["**/to_ignore"], True),
(
os.path.join("rel", "p", "p2", "to_ignore"),
["**/p2/to_ignore"],
True,
),
(
os.path.join("rel", "path", "path2", "dont_ignore"),
["**/to_ignore"],
False,
),
# A trailing "/**" matches everything inside.
# For example, "abc/**" matches all files inside directory "abc",
# relative to the location of the .gitignore file, with infinite depth.
(os.path.join("rel", "p", "p2", "to_ignore"), ["rel/**"], True),
(os.path.join("rel", "p", "p2", "to_ignore"), ["p/**"], False),
(
os.path.join("rel", "path", "path2", "dont_ignore"),
["rel/**"],
True,
),
# A slash followed by two consecutive asterisks then a slash matches
# zero or more directories.
# For example, "a/**/b" matches "a/b", "a/x/b", "a/x/y/b" and so on.
(os.path.join("rel", "p", "to_ignore"), ["rel/**/to_ignore"], True),
(
os.path.join("rel", "p", "p2", "to_ignore"),
["rel/**/to_ignore"],
True,
),
(
os.path.join("rel", "path", "path2", "dont_ignore"),
["rel/**/to_ignore"],
False,
),
(
os.path.join("rel", "path", "path2", "dont_ignore"),
["path/**/dont_ignore"],
False,
),
# Other consecutive asterisks are considered regular asterisks
# and will match according to the previous rules.
("to_ignore.txt", ["/***.txt"], True),
(os.path.join("path", "to_ignore.txt"), ["/****.txt"], False),
(os.path.join("path", "to_ignore.txt"), ["****.txt"], True),
(os.path.join("data", "file.txt"), ["data/***"], True),
# bug from PathSpec
# (os.path.join("data", "p", "file.txt"), ["data/***"], False),
(os.path.join("data", "p", "file.txt"), ["***/file.txt"], False),
(
os.path.join("rel", "path", "path2", "to_ignore"),
["rel/***/to_ignore"],
False,
),
],
)
def test_match_ignore_from_file(
file_to_ignore_relpath, patterns, expected_match
):
dvcignore_path = os.path.join(
os.path.sep, "full", "path", "to", "ignore", "file", ".dvcignore"
)
dvcignore_dirname = os.path.dirname(dvcignore_path)
ignore_file = mock_dvcignore(dvcignore_path, patterns)
assert (
ignore_file.matches(dvcignore_dirname, file_to_ignore_relpath)
== expected_match
)
@pytest.mark.parametrize("sub_dir", ["", "dir"])
@pytest.mark.parametrize("omit_dir", [".git", ".hg", ".dvc"])
def test_should_ignore_dir(omit_dir, sub_dir):
root = os.path.join(os.path.sep, "walk", "dir", "root")
ignore = DvcIgnorePatterns([".git/", ".hg/", ".dvc/"], root, os.sep)
dirs = [omit_dir, "dir1", "dir2"]
files = [omit_dir, "file1", "file2"]
if sub_dir:
current = os.path.join(root, sub_dir)
else:
current = root
new_dirs, new_files = ignore(current, dirs, files)
assert set(new_dirs) == {"dir1", "dir2"}
assert set(new_files) == {"file1", "file2", omit_dir}