test_source_reader.py

# Copyright 2014-2017 Insight Software Consortium.
# Copyright 2004-2009 Roman Yakovenko.
# Distributed under the Boost Software License, Version 1.0.
# See http://www.boost.org/LICENSE_1_0.txt

import platform
import os

import pytest

from . import autoconfig

from pygccxml import parser
from pygccxml import declarations

TEST_FILES = [
    'declarations_calldef.hpp'
]


@pytest.fixture
def global_ns():
    COMPILATION_MODE = parser.COMPILATION_MODE.ALL_AT_ONCE
    config = autoconfig.cxx_parsers_cfg.config.clone()
    if platform.system() == "Darwin":
        config.cflags = "-Dat_quick_exit=atexit -Dquick_exit=exit"
        # https://fr.mathworks.com/matlabcentral/answers/2013982-clibgen-generatelibrarydefinition-error-the-global-scope-has-no-quick_exit-on-mac-m2#answer_1439856
        # https://github.com/jetbrains/kotlin/commit/d50f585911dedec5723213da8835707ac95e1c01
    decls = parser.parse(TEST_FILES, config, COMPILATION_MODE)
    global_ns = declarations.get_global_namespace(decls)
    global_ns.init_optimizer()
    return global_ns


def test_compound_argument_type(global_ns):
    do_smth = global_ns.calldefs('do_smth')
    assert do_smth is not None
    do_smth.function_type()


def test_stderr_present_and_readable():
    with open(os.path.join('tests', 'data', TEST_FILES[0]), 'r') as f:
        source_str = f.read()

    err_str = "add some stuff that should not compile"
    source_str += err_str
    config = autoconfig.cxx_parsers_cfg.config.clone()
    with pytest.raises(RuntimeError) as e_context:
        parser.parse_string(source_str, config)
    assert err_str in str(e_context)