from contextlib import ExitStack from tests import DDS from tests.fileutil import set_contents def test_lib_with_just_test(dds: DDS, scope: ExitStack): scope.enter_context( set_contents( dds.source_root / 'src/foo.test.cpp', b'int main() {}', )) dds.build(tests=True, apps=False, warnings=False, export=False) assert (dds.build_dir / f'test/foo{dds.exe_suffix}').is_file()