from pathlib import Path

import subprocess

def test_init_in_directory(git2cpp_path, tmp_path):

# tmp_path exists and is empty.

assert list(tmp_path.iterdir()) == []

cmd = [git2cpp_path, 'init', '--bare', str(tmp_path)]

p = subprocess.run(cmd, capture_output=True)

assert p.returncode == 0

assert p.stdout == b''

assert p.stderr == b''

assert sorted(map(lambda path: path.name, tmp_path.iterdir())) == [

'HEAD', 'config', 'description', 'hooks', 'info', 'objects', 'refs'

]

# TODO: check this is a valid git repo

def test_init_in_cwd(git2cpp_path, tmp_path, run_in_tmp_path):

# tmp_path exists and is empty.

assert list(tmp_path.iterdir()) == []

assert Path.cwd() == tmp_path

cmd = [git2cpp_path, 'init', '--bare']

p = subprocess.run(cmd, capture_output=True)

assert p.returncode == 0

assert p.stdout == b''

assert p.stderr == b''

assert sorted(map(lambda path: path.name, tmp_path.iterdir())) == [

'HEAD', 'config', 'description', 'hooks', 'info', 'objects', 'refs'

]

# TODO: check this is a valid git repo

def test_init_not_bare(git2cpp_path, tmp_path):

# tmp_path exists and is empty.

assert list(tmp_path.iterdir()) == []

cmd = [git2cpp_path, 'init', '.']

p = subprocess.run(cmd, capture_output=True, cwd=tmp_path)

assert p.returncode == 0

assert p.stdout == b''

assert p.stderr == b''

# Directory contains just .git directory.

assert sorted(map(lambda path: path.name, tmp_path.iterdir())) == ['.git']

# .git directory is a valid repo.

assert sorted(map(lambda path: path.name, (tmp_path / '.git').iterdir())) == [

'HEAD', 'config', 'description', 'hooks', 'info', 'objects', 'refs'

]

# Would like to use `git2cpp status` but it complains that 'refs/heads/master' not found

cmd = [git2cpp_path, 'log']

p = subprocess.run(cmd, capture_output=True, cwd=tmp_path)

assert p.returncode == 0

assert p.stdout == b''

assert p.stderr == b''

def test_error_on_unknown_option(git2cpp_path):

cmd = [git2cpp_path, 'init', '--unknown']

p = subprocess.run(cmd, capture_output=True)

assert p.returncode == 109

assert p.stdout == b''

assert p.stderr.startswith(b"The following argument was not expected: --unknown")

def test_error_on_repeated_directory(git2cpp_path):

cmd = [git2cpp_path, 'init', 'abc', 'def']

p = subprocess.run(cmd, capture_output=True)

assert p.returncode == 109

assert p.stdout == b''

assert p.stderr.startswith(b"The following argument was not expected: def")