def test_make_argument_parser(require_src, expect):
"""Parser from ``make_argument_parser()`` fails if src required but not provided"""
parser = make_argument_parser(require_src)
with raises_if_exception(expect):
args = parser.parse_args([])
assert args.src == expect
def test_fill_line(line, width, indent, expect):
"""``_fill_line()`` wraps lines correctly"""
with raises_if_exception(expect):
result = argparse_helpers._fill_line( # pylint: disable=protected-access
line, width, indent)
assert result.splitlines() == expect
def test_revisionrange_parse_pre_commit(environ, expect):
"""RevisionRange.parse(':PRE-COMMIT:') gets the range from environment variables"""
with patch.dict(os.environ, environ), raises_if_exception(expect):
result = RevisionRange.parse(":PRE-COMMIT:")
expect_rev1, expect_rev2 = expect
assert result.rev1 == expect_rev1
assert result.rev2 == expect_rev2
assert result.use_common_ancestor
def test_revision(git_repo, monkeypatch, capsys, revision, worktree_content,
expect):
monkeypatch.chdir(git_repo.root)
# 2: HEAD~2:
paths = git_repo.add(
{
"+2.py": "ORIGINAL=1\n",
"+2M1.py": "ORIGINAL=1\n",
"+2-1.py": "ORIGINAL=1\n",
"+2M1-0.py": "ORIGINAL=1\n",
},
commit="First commit",
)
# 1: HEAD~1 i.e. HEAD^
paths.update(
git_repo.add(
{
"+2M1.py": "MODIFIED=1\n",
"+1.py": "ORIGINAL=1\n",
"+1M0.py": "ORIGINAL=1\n",
"+2-1.py": None,
"+2M1-0.py": "MODIFIED=1\n",
},
commit="Second commit",
))
# 0: HEAD~0 i.e. HEAD:
git_repo.add(
{
"+1M0.py": "MODIFIED=1\n",
"+2M1-0.py": None
},
commit="Third commit",
)
# Working tree:
for path in paths.values():
path.write_bytes(worktree_content)
arguments = ["--diff", "--revision", revision, "."]
with raises_if_exception(expect):
main(arguments)
modified_files = [
line[4:-3] for line in capsys.readouterr().out.splitlines()
if line.startswith("+++ ")
]
assert modified_files == expect
def test_parse_command_line_config_src(
tmpdir,
monkeypatch,
config,
argv,
expect,
):
"""The ``src`` positional argument from config and cmdline is handled correctly"""
monkeypatch.chdir(tmpdir)
if config is not None:
toml.dump({"tool": {"darker": config}}, tmpdir / "pyproject.toml")
with raises_if_exception(expect):
args, effective_cfg, modified_cfg = parse_command_line(argv)
assert filter_dict(args.__dict__, "src") == expect
assert filter_dict(effective_cfg, "src") == expect
assert filter_dict(modified_cfg, "src") == expect
