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OpenMW is an open implementation of the Morrowind engine
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import argparseimport datetimeimport osimport shutilimport subprocessimport sysimport time
from pathlib import Path
def parse_args(): parser = argparse.ArgumentParser(description="OpenMW integration tests.") parser.add_argument( "suites", nargs='*', type=str, default=None, help="suites to run: a directory with suites or subdirectories containing them", ) parser.add_argument("--omw", type=str, default="openmw", help="path to openmw binary") parser.add_argument( "--workdir", type=str, default="integration_tests_output", help="directory for temporary files and logs" ) parser.add_argument("--verbose", action='store_true', help="print all openmw output") parser.add_argument( "--test_filter", type=str, default=None, help="test cases to run (e.g. 'player.*running')", ) parser.add_argument( "--list_tests", action='store_true', help="print test names instead of running them", ) parser.add_argument( "--config", type=str, default=None, help="extra directory with custom settings.cfg", ) parser.add_argument( "--data", action='append', default=[], help="extra data directories with content files", ) parser.add_argument( "--ini", type=str, default=None, help="INI file to import fallback values from via openmw-iniimporter (found next to --omw)", ) parser.add_argument( "--resolution", type=str, default="640x480", help="window resolution as WIDTHxHEIGHT", ) return parser.parse_args()
def parse_resolution(value): width, _, height = value.partition("x") if not height or not width.isdigit() or not height.isdigit(): sys.exit(f"invalid --resolution {value!r}, expected WIDTHxHEIGHT") return int(width), int(height)
def lua_string_literal(value): escaped = value.replace("\\", "\\\\").replace('"', '\\"').replace("\n", "\\n") return f'"{escaped}"'
def discover_suites(suite_roots): all_suites = dict() for root in suite_roots: if not root.is_dir(): sys.exit(f"{root} is not a directory") if (root / "openmw.cfg").is_file(): all_suites[root.name] = root else: for entry in sorted(root.glob("test_*")): if entry.is_dir() and (entry / "openmw.cfg").is_file(): all_suites[entry.name] = entry if not all_suites: sys.exit(f"No suites found in: {', '.join(str(v) for v in suite_roots)}") return all_suites
def write_test_config_module(test_config_dir, test_filter, list_tests): shutil.rmtree(test_config_dir, ignore_errors=True) test_config_dir.mkdir(parents=True) fields = [] if test_filter: fields.append(f"filter = {lua_string_literal(test_filter)}") if list_tests: fields.append("list = true") with open(test_config_dir / "test_config.lua", "w", encoding="utf-8") as stream: stream.write(f"return {{ {', '.join(fields)} }}\n")
def parse_test_name(status, line): return line.split(status)[1].strip().split("\t", maxsplit=1)
def write_generated_config( config_dir, userdata_dir, data_local_dir, test_config_dir, args, iniimporter_binary, ini_path): shutil.rmtree(config_dir, ignore_errors=True) config_dir.mkdir(parents=True) base_cfg_path = config_dir / ("openmw.base.cfg" if args.ini else "openmw.cfg") with open(base_cfg_path, "w", encoding="utf-8") as omw_cfg: omw_cfg.write(f'user-data="{userdata_dir}"\n') omw_cfg.write(f'data-local="{data_local_dir}"\n') omw_cfg.write(f'data="{test_config_dir}"\n') if args.ini: subprocess.run( [ iniimporter_binary, "--ini", ini_path, "--cfg", base_cfg_path, "--output", config_dir / "openmw.cfg", ], check=True, ) with open(config_dir / "settings.cfg", "w", encoding="utf-8") as settings_cfg: width, height = parse_resolution(args.resolution) settings_cfg.write( "[Video]\n" f"resolution x = {width}\n" f"resolution y = {height}\n" "framerate limit = 60\n" "[Game]\n" "smooth animation transitions = true\n" "[Lua]\n" f"memory limit = {1024 * 1024 * 256}\n" "lua profiler = true\n" )
def run_test( suite_name, suite_dir, config_dir, config_source_dir, log_dir, time_str, data_dirs, args, openmw_binary): start = time.time() if not args.list_tests: print(f'[----------] Running tests from {suite_name}') command = [openmw_binary, "--replace=config"] # --config is layered, and settings in a later layer override earlier ones. Pass # any caller-supplied directory as its own layer rather than concatenating its # settings.cfg into the generated one: two values for one key in a single file # is a duplicate and openmw rejects it outright. # # The generated directory stays last because openmw writes its runtime files # into the final layer, and openmw.log is read back from there below. if config_source_dir is not None: command += ["--config", config_source_dir] # A suite outranks the shared directory. command += ["--config", suite_dir] command += ["--config", config_dir, "--no-grab"] for path in data_dirs: command += ["--data", path] stdout_lines = list() fatal_errors = list() with subprocess.Popen( command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, encoding="utf-8", env={ "OPENMW_OSG_STATS_FILE": str(log_dir / f"{suite_name}.{time_str}.osg_stats.log"), "OPENMW_OSG_STATS_LIST": "times", **os.environ, }, ) as process: quit_requested = False running_test_number = None running_test_name = None count = 0 failed_tests = list() test_start = None for line in process.stdout: if args.verbose: sys.stdout.write(line) else: stdout_lines.append(line) if "Quit requested by a Lua script" in line: quit_requested = True elif "TEST_FOUND" in line: _, name = parse_test_name("TEST_FOUND", line) count += 1 print(name) elif "TEST_START" in line: test_start = time.time() number, name = parse_test_name("TEST_START", line) running_test_number = int(number) running_test_name = name count += 1 print(f"[ RUN ] {running_test_name}") elif "TEST_OK" in line: duration = (time.time() - test_start) * 1000 number, name = parse_test_name("TEST_OK", line) assert running_test_number == int(number) print(f"[ OK ] {running_test_name} ({duration:.3f} ms)") elif "TEST_FAILED" in line: duration = (time.time() - test_start) * 1000 number, name, error = line.split("TEST_FAILED")[1].strip().split("\t", maxsplit=2) assert running_test_number == int(number) print(error) print(f"[ FAILED ] {running_test_name} ({duration:.3f} ms)") failed_tests.append(running_test_name) elif "TEST_ERROR" in line: message = line.split("TEST_ERROR")[1].strip() fatal_errors.append(f"test framework error: {message}") process.wait(5) if not quit_requested: fatal_errors.append("unexpected termination") if process.returncode != 0: fatal_errors.append(f"openmw exited with code {process.returncode}") if os.path.exists(config_dir / "openmw.log"): shutil.copyfile(config_dir / "openmw.log", log_dir / f"{suite_name}.{time_str}.log") if fatal_errors and not args.verbose: sys.stdout.writelines(stdout_lines) if not args.list_tests: total_duration = (time.time() - start) * 1000 print(f'\n[----------] {count} tests from {suite_name} ({total_duration:.3f} ms total)') print(f"[ PASSED ] {count - len(failed_tests)} tests.") if fatal_errors: print(f"[ FAILED ] fatal error: {'; '.join(fatal_errors)}") if failed_tests: print(f"[ FAILED ] {len(failed_tests)} tests, listed below:") for failed_test in failed_tests: print(f"[ FAILED ] {failed_test}") return len(failed_tests) == 0 and not fatal_errors, count
def main(): args = parse_args()
openmw_binary = Path(args.omw).resolve() if not openmw_binary.is_file(): sys.exit(f"{openmw_binary} not found")
iniimporter_binary = None ini_path = None if args.ini: ini_path = Path(args.ini).resolve() if not ini_path.is_file(): sys.exit(f"{ini_path} not found") iniimporter_binary = openmw_binary.parent / f"openmw-iniimporter{openmw_binary.suffix}" if not iniimporter_binary.is_file(): sys.exit(f"{iniimporter_binary} not found")
config_source_dir = Path(args.config).resolve() if args.config is not None else None data_dirs = [Path(v).resolve() for v in args.data]
work_dir = Path(args.workdir).resolve() work_dir.mkdir(parents=True, exist_ok=True) test_config_dir = work_dir / "test_config" time_str = datetime.datetime.now().strftime("%Y-%m-%d-%H.%M.%S")
suite_roots = [Path(v).resolve() for v in args.suites] all_suites = discover_suites(suite_roots)
write_test_config_module(test_config_dir=test_config_dir, test_filter=args.test_filter, list_tests=args.list_tests)
status = 0 total_count = 0 for name in sorted(all_suites): suite_work_dir = work_dir / name write_generated_config( config_dir=suite_work_dir, userdata_dir=suite_work_dir / "userdata", data_local_dir=suite_work_dir / "data-local", test_config_dir=test_config_dir, args=args, iniimporter_binary=iniimporter_binary, ini_path=ini_path, ) result, count = run_test( suite_name=name, suite_dir=all_suites[name], config_dir=suite_work_dir, config_source_dir=config_source_dir, log_dir=work_dir, time_str=time_str, data_dirs=data_dirs, args=args, openmw_binary=openmw_binary, ) total_count += count if not result: status = -1 if args.test_filter and total_count == 0: print(f"[ WARNING ] no tests matched --test_filter {args.test_filter!r}") status = -1 exit(status)
if __name__ == "__main__": main()