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from __future__ import annotations
import os.path
import pytest
from pre_commit import git
from pre_commit.error_handler import FatalError
from pre_commit.util import cmd_output
from testing.util import git_commit
def test_get_root_at_root(in_git_dir):
expected = os.path.normcase(in_git_dir.strpath)
assert os.path.normcase(git.get_root()) == expected
def test_get_root_deeper(in_git_dir):
expected = os.path.normcase(in_git_dir.strpath)
with in_git_dir.join('foo').ensure_dir().as_cwd():
assert os.path.normcase(git.get_root()) == expected
def test_get_root_in_git_sub_dir(in_git_dir):
expected = os.path.normcase(in_git_dir.strpath)
with pytest.raises(FatalError):
with in_git_dir.join('.git/objects').ensure_dir().as_cwd():
assert os.path.normcase(git.get_root()) == expected
def test_get_root_not_in_working_dir(in_git_dir):
expected = os.path.normcase(in_git_dir.strpath)
with pytest.raises(FatalError):
with in_git_dir.join('..').ensure_dir().as_cwd():
assert os.path.normcase(git.get_root()) == expected
def test_in_exactly_dot_git(in_git_dir):
with in_git_dir.join('.git').as_cwd(), pytest.raises(FatalError):
git.get_root()
def test_get_root_bare_worktree(tmpdir):
src = tmpdir.join('src').ensure_dir()
cmd_output('git', 'init', str(src))
git_commit(cwd=str(src))
bare = tmpdir.join('bare.git').ensure_dir()
cmd_output('git', 'clone', '--bare', str(src), str(bare))
cmd_output('git', 'worktree', 'add', 'foo', 'HEAD', cwd=bare)
with bare.join('foo').as_cwd():
assert git.get_root() == os.path.abspath('.')
def test_get_git_dir(tmpdir):
"""Regression test for #1972"""
src = tmpdir.join('src').ensure_dir()
cmd_output('git', 'init', str(src))
git_commit(cwd=str(src))
worktree = tmpdir.join('worktree').ensure_dir()
cmd_output('git', 'worktree', 'add', '../worktree', cwd=src)
with worktree.as_cwd():
assert git.get_git_dir() == src.ensure_dir(
'.git/worktrees/worktree',
)
assert git.get_git_common_dir() == src.ensure_dir('.git')
def test_get_root_worktree_in_git(tmpdir):
src = tmpdir.join('src').ensure_dir()
cmd_output('git', 'init', str(src))
git_commit(cwd=str(src))
cmd_output('git', 'worktree', 'add', '.git/trees/foo', 'HEAD', cwd=src)
with src.join('.git/trees/foo').as_cwd():
assert git.get_root() == os.path.abspath('.')
def test_get_staged_files_deleted(in_git_dir):
in_git_dir.join('test').ensure()
cmd_output('git', 'add', 'test')
git_commit()
cmd_output('git', 'rm', '--cached', 'test')
assert git.get_staged_files() == []
def test_is_not_in_merge_conflict(in_git_dir):
assert git.is_in_merge_conflict() is False
def test_is_in_merge_conflict(in_merge_conflict):
assert git.is_in_merge_conflict() is True
def test_is_in_merge_conflict_submodule(in_conflicting_submodule):
assert git.is_in_merge_conflict() is True
def test_cherry_pick_conflict(in_merge_conflict):
cmd_output('git', 'merge', '--abort')
foo_ref = cmd_output('git', 'rev-parse', 'foo')[1].strip()
cmd_output('git', 'cherry-pick', foo_ref, check=False)
assert git.is_in_merge_conflict() is False
def resolve_conflict():
with open('conflict_file', 'w') as conflicted_file:
conflicted_file.write('herp\nderp\n')
cmd_output('git', 'add', 'conflict_file')
def test_get_conflicted_files(in_merge_conflict):
resolve_conflict()
with open('other_file', 'w') as other_file:
other_file.write('oh hai')
cmd_output('git', 'add', 'other_file')
ret = set(git.get_conflicted_files())
assert ret == {'conflict_file', 'other_file'}
def test_get_conflicted_files_in_submodule(in_conflicting_submodule):
resolve_conflict()
assert set(git.get_conflicted_files()) == {'conflict_file'}
def test_get_conflicted_files_unstaged_files(in_merge_conflict):
"""This case no longer occurs, but it is a useful test nonetheless"""
resolve_conflict()
# Make unstaged file.
with open('bar_only_file', 'w') as bar_only_file:
bar_only_file.write('new contents!\n')
ret = set(git.get_conflicted_files())
assert ret == {'conflict_file'}
def test_get_conflicted_files_with_file_named_head(in_merge_conflict):
resolve_conflict()
open('HEAD', 'w').close()
cmd_output('git', 'add', 'HEAD')
ret = set(git.get_conflicted_files())
assert ret == {'conflict_file', 'HEAD'}
MERGE_MSG = b"Merge branch 'foo' into bar\n\nConflicts:\n\tconflict_file\n"
OTHER_MERGE_MSG = MERGE_MSG + b'\tother_conflict_file\n'
@pytest.mark.parametrize(
('input', 'expected_output'),
(
(MERGE_MSG, ['conflict_file']),
(OTHER_MERGE_MSG, ['conflict_file', 'other_conflict_file']),
),
)
def test_parse_merge_msg_for_conflicts(input, expected_output):
ret = git.parse_merge_msg_for_conflicts(input)
assert ret == expected_output
def test_get_changed_files(in_git_dir):
git_commit()
in_git_dir.join('a.txt').ensure()
in_git_dir.join('b.txt').ensure()
cmd_output('git', 'add', '.')
git_commit()
files = git.get_changed_files('HEAD^', 'HEAD')
assert files == ['a.txt', 'b.txt']
# files changed in source but not in origin should not be returned
files = git.get_changed_files('HEAD', 'HEAD^')
assert files == []
def test_get_changed_files_disparate_histories(in_git_dir):
"""in modern versions of git, `...` does not fall back to full diff"""
git_commit()
in_git_dir.join('a.txt').ensure()
cmd_output('git', 'add', '.')
git_commit()
cmd_output('git', 'branch', '-m', 'branch1')
cmd_output('git', 'checkout', '--orphan', 'branch2')
cmd_output('git', 'rm', '-rf', '.')
in_git_dir.join('a.txt').ensure()
in_git_dir.join('b.txt').ensure()
cmd_output('git', 'add', '.')
git_commit()
assert git.get_changed_files('branch1', 'branch2') == ['b.txt']
@pytest.mark.parametrize(
('s', 'expected'),
(
('foo\0bar\0', ['foo', 'bar']),
('foo\0', ['foo']),
('', []),
('foo', ['foo']),
),
)
def test_zsplit(s, expected):
assert git.zsplit(s) == expected
@pytest.fixture
def non_ascii_repo(in_git_dir):
git_commit()
in_git_dir.join('интервью').ensure()
cmd_output('git', 'add', '.')
git_commit()
yield in_git_dir
def test_all_files_non_ascii(non_ascii_repo):
ret = git.get_all_files()
assert ret == ['интервью']
def test_all_files_merge_conflict(in_merge_conflict):
ret = git.get_all_files()
assert sorted(ret) == sorted([
'.pre-commit-config.yaml',
'bar_only_file',
'conflict_file',
'foo_only_file',
'placeholder',
])
def test_staged_files_non_ascii(non_ascii_repo):
non_ascii_repo.join('интервью').write('hi')
cmd_output('git', 'add', '.')
assert git.get_staged_files() == ['интервью']
def test_changed_files_non_ascii(non_ascii_repo):
ret = git.get_changed_files('HEAD^', 'HEAD')
assert ret == ['интервью']
def test_get_conflicted_files_non_ascii(in_merge_conflict):
open('интервью', 'a').close()
cmd_output('git', 'add', '.')
ret = git.get_conflicted_files()
assert ret == {'conflict_file', 'интервью'}
def test_intent_to_add(in_git_dir):
in_git_dir.join('a').ensure()
cmd_output('git', 'add', '--intent-to-add', 'a')
assert git.intent_to_add_files() == ['a']
def test_status_output_with_rename(in_git_dir):
in_git_dir.join('a').write('1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n')
cmd_output('git', 'add', 'a')
git_commit()
cmd_output('git', 'mv', 'a', 'b')
in_git_dir.join('c').ensure()
cmd_output('git', 'add', '--intent-to-add', 'c')
assert git.intent_to_add_files() == ['c']
def test_no_git_env():
env = {
'http_proxy': 'http://myproxy:80',
'GIT_EXEC_PATH': '/some/git/exec/path',
'GIT_SSH': '/usr/bin/ssh',
'GIT_SSH_COMMAND': 'ssh -o',
'GIT_DIR': '/none/shall/pass',
'GIT_CONFIG_KEY_0': 'user.name',
'GIT_CONFIG_VALUE_0': 'anthony',
'GIT_CONFIG_KEY_1': 'user.email',
'GIT_CONFIG_VALUE_1': 'asottile@example.com',
'GIT_CONFIG_COUNT': '2',
}
no_git_env = git.no_git_env(env)
assert no_git_env == {
'http_proxy': 'http://myproxy:80',
'GIT_EXEC_PATH': '/some/git/exec/path',
'GIT_SSH': '/usr/bin/ssh',
'GIT_SSH_COMMAND': 'ssh -o',
'GIT_CONFIG_KEY_0': 'user.name',
'GIT_CONFIG_VALUE_0': 'anthony',
'GIT_CONFIG_KEY_1': 'user.email',
'GIT_CONFIG_VALUE_1': 'asottile@example.com',
'GIT_CONFIG_COUNT': '2',
}
def test_init_repo_no_hooks(tmpdir):
git.init_repo(str(tmpdir), remote='dne')
assert not tmpdir.join('.git/hooks').exists()
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