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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_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_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, retcode=None)

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'}

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_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',

}

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',

}

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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