cmake-pre-commit-hooks/tests/python/conftest.py at e877c6d6372910c41dc687c5f13a635db5c38367 · Takishima/cmake-pre-commit-hooks · GitHub

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import itertools
import json
from collections import namedtuple

import pytest
from _test_utils import ExitError  # noqa: PLC2701

# ==============================================================================


@pytest.fixture
def compile_commands(tmp_path):
    path = tmp_path / 'build' / 'compile_commands.json'

    data = []
    file_list = [
        tmp_path / 'directory/one.cpp',
        tmp_path / 'directory/two.cpp',
        tmp_path / 'directory/three.cpp',
    ]

    for fname in file_list:
        fname.parent.mkdir(parents=True, exist_ok=True)
        fname.write_text('')
        data.append({
            'directory': str(fname.parent),
            'file': str(fname),
            'command': f'/usr/bin/c++ -DONE -DTWO -Wall -c {fname}',
        })

    path.parent.mkdir(parents=True, exist_ok=True)
    with path.open(mode='w', encoding='utf-8') as fd:
        json.dump(data, fd)

    return path, file_list


# ==============================================================================


_setup_commands_args = itertools.product(
    (False, True),  # all_at_once
    (False, True),  # read_json_db
    (False, True),  # no_cmake_configure
    (False, True),  # create_compilation_db
    (0, 1),  # returncode
)


def _setup_command_ids(param):
    all_at_once, read_json_db, no_cmake_configure, create_compilation_db, returncode = param
    return (
        f'{"all_files" if all_at_once else "single_file"}'
        f'-{"w_read_db" if read_json_db else "no_read_db"}'
        f'-{"no_conf" if no_cmake_configure else "cmake_conf"}'
        f'-{"create_db" if create_compilation_db else "no_create_db"}'
        f'-ret_{returncode}'
    )


SetupCommandData = namedtuple(
    'SetupCommandData',
    [
        'all_at_once',
        'read_json_db',
        'no_cmake_configure',
        'create_compilation_db',
        'compile_db_path',
        'json_db_file_list',
        'returncode',
        'file_list',
        'cmd_args',
        'configure',
        'sys_exit',
        'call_process',
    ],
)


@pytest.fixture(params=_setup_commands_args, ids=_setup_command_ids)
def setup_command(mocker, tmp_path, compile_commands, request):
    mocker.patch('hooks.utils.Command.check_installed', return_value=True)
    all_at_once, read_json_db, no_cmake_configure, create_compilation_db, returncode = request.param

    configure = mocker.patch('cmake_pc_hooks._cmake.CMakeCommand.configure', return_value=0)
    sys_exit = mocker.patch('sys.exit', side_effect=ExitError)
    call_process = mocker.patch(
        'cmake_pc_hooks._call_process.call_process',
        return_value=mocker.Mock(stdout='', stderr='', returncode=returncode),
    )

    if not create_compilation_db:
        compile_commands[0].unlink()

    file_list = [tmp_path / 'file1.cpp', tmp_path / 'file2.cpp']
    for file in file_list:
        file.write_text('')

    args = []
    if read_json_db:
        args.append('--read-json-db')

    if all_at_once:
        args.append('--all-at-once')

    if no_cmake_configure:
        args.append('--no-cmake-configure')

    return SetupCommandData(
        all_at_once=all_at_once,
        read_json_db=read_json_db,
        no_cmake_configure=no_cmake_configure,
        create_compilation_db=create_compilation_db,
        compile_db_path=compile_commands[0],
        json_db_file_list=compile_commands[1],
        returncode=returncode,
        file_list=file_list,
        cmd_args=[*args, *[str(fname) for fname in file_list]],
        configure=configure,
        sys_exit=sys_exit,
        call_process=call_process,
    )


# ==============================================================================