# Copyright 2016-2017 The Meson development team # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # A tool to run tests in many different ways. from ._pathlib import Path from collections import namedtuple from copy import deepcopy import argparse import concurrent.futures as conc import datetime import enum import io import json import multiprocessing import os import pickle import platform import random import re import signal import subprocess import sys import tempfile import textwrap import time import typing as T import xml.etree.ElementTree as et from . import build from . import environment from . import mlog from .coredata import major_versions_differ, MesonVersionMismatchException from .coredata import version as coredata_version from .dependencies import ExternalProgram from .mesonlib import MesonException, get_wine_shortpath, split_args, join_args from .backend.backends import TestProtocol, TestSerialisation # GNU autotools interprets a return code of 77 from tests it executes to # mean that the test should be skipped. GNU_SKIP_RETURNCODE = 77 # GNU autotools interprets a return code of 99 from tests it executes to # mean that the test failed even before testing what it is supposed to test. GNU_ERROR_RETURNCODE = 99 def is_windows() -> bool: platname = platform.system().lower() return platname == 'windows' def is_cygwin() -> bool: return sys.platform == 'cygwin' def determine_worker_count() -> int: varname = 'MESON_TESTTHREADS' if varname in os.environ: try: num_workers = int(os.environ[varname]) except ValueError: print('Invalid value in {}, using 1 thread.'.format(varname)) num_workers = 1 else: try: # Fails in some weird environments such as Debian # reproducible build. num_workers = multiprocessing.cpu_count() except Exception: num_workers = 1 return num_workers def add_arguments(parser: argparse.ArgumentParser) -> None: parser.add_argument('--repeat', default=1, dest='repeat', type=int, help='Number of times to run the tests.') parser.add_argument('--no-rebuild', default=False, action='store_true', help='Do not rebuild before running tests.') parser.add_argument('--gdb', default=False, dest='gdb', action='store_true', help='Run test under gdb.') parser.add_argument('--gdb-path', default='gdb', dest='gdb_path', help='Path to the gdb binary (default: gdb).') parser.add_argument('--list', default=False, dest='list', action='store_true', help='List available tests.') parser.add_argument('--wrapper', default=None, dest='wrapper', type=split_args, help='wrapper to run tests with (e.g. Valgrind)') parser.add_argument('-C', default='.', dest='wd', # https://github.com/python/typeshed/issues/3107 # https://github.com/python/mypy/issues/7177 type=os.path.abspath, # type: ignore help='directory to cd into before running') parser.add_argument('--suite', default=[], dest='include_suites', action='append', metavar='SUITE', help='Only run tests belonging to the given suite.') parser.add_argument('--no-suite', default=[], dest='exclude_suites', action='append', metavar='SUITE', help='Do not run tests belonging to the given suite.') parser.add_argument('--no-stdsplit', default=True, dest='split', action='store_false', help='Do not split stderr and stdout in test logs.') parser.add_argument('--print-errorlogs', default=False, action='store_true', help="Whether to print failing tests' logs.") parser.add_argument('--benchmark', default=False, action='store_true', help="Run benchmarks instead of tests.") parser.add_argument('--logbase', default='testlog', help="Base name for log file.") parser.add_argument('--num-processes', default=determine_worker_count(), type=int, help='How many parallel processes to use.') parser.add_argument('-v', '--verbose', default=False, action='store_true', help='Do not redirect stdout and stderr') parser.add_argument('-q', '--quiet', default=False, action='store_true', help='Produce less output to the terminal.') parser.add_argument('-t', '--timeout-multiplier', type=float, default=None, help='Define a multiplier for test timeout, for example ' ' when running tests in particular conditions they might take' ' more time to execute.') parser.add_argument('--setup', default=None, dest='setup', help='Which test setup to use.') parser.add_argument('--test-args', default=[], type=split_args, help='Arguments to pass to the specified test(s) or all tests') parser.add_argument('args', nargs='*', help='Optional list of test names to run. "testname" to run all tests with that name, ' '"subprojname:testname" to specifically run "testname" from "subprojname", ' '"subprojname:" to run all tests defined by "subprojname".') def returncode_to_status(retcode: int) -> str: # Note: We can't use `os.WIFSIGNALED(result.returncode)` and the related # functions here because the status returned by subprocess is munged. It # returns a negative value if the process was killed by a signal rather than # the raw status returned by `wait()`. Also, If a shell sits between Meson # the the actual unit test that shell is likely to convert a termination due # to a signal into an exit status of 128 plus the signal number. if retcode < 0: signum = -retcode try: signame = signal.Signals(signum).name except ValueError: signame = 'SIGinvalid' return '(killed by signal {} {})'.format(signum, signame) if retcode <= 128: return '(exit status {})'.format(retcode) signum = retcode - 128 try: signame = signal.Signals(signum).name except ValueError: signame = 'SIGinvalid' return '(exit status {} or signal {} {})'.format(retcode, signum, signame) def env_tuple_to_str(env: T.Iterable[T.Tuple[str, str]]) -> str: return ''.join(["{}='{}' ".format(k, v) for k, v in env]) class TestException(MesonException): pass @enum.unique class TestResult(enum.Enum): OK = 'OK' TIMEOUT = 'TIMEOUT' SKIP = 'SKIP' FAIL = 'FAIL' EXPECTEDFAIL = 'EXPECTEDFAIL' UNEXPECTEDPASS = 'UNEXPECTEDPASS' ERROR = 'ERROR' @staticmethod def maxlen() -> int: return 14 # len(UNEXPECTEDPASS) class TAPParser: Plan = namedtuple('Plan', ['count', 'late', 'skipped', 'explanation']) Bailout = namedtuple('Bailout', ['message']) Test = namedtuple('Test', ['number', 'name', 'result', 'explanation']) Error = namedtuple('Error', ['message']) Version = namedtuple('Version', ['version']) _MAIN = 1 _AFTER_TEST = 2 _YAML = 3 _RE_BAILOUT = re.compile(r'Bail out!\s*(.*)') _RE_DIRECTIVE = re.compile(r'(?:\s*\#\s*([Ss][Kk][Ii][Pp]\S*|[Tt][Oo][Dd][Oo])\b\s*(.*))?') _RE_PLAN = re.compile(r'1\.\.([0-9]+)' + _RE_DIRECTIVE.pattern) _RE_TEST = re.compile(r'((?:not )?ok)\s*(?:([0-9]+)\s*)?([^#]*)' + _RE_DIRECTIVE.pattern) _RE_VERSION = re.compile(r'TAP version ([0-9]+)') _RE_YAML_START = re.compile(r'(\s+)---.*') _RE_YAML_END = re.compile(r'\s+\.\.\.\s*') def __init__(self, io: T.Iterator[str]): self.io = io def parse_test(self, ok: bool, num: int, name: str, directive: T.Optional[str], explanation: T.Optional[str]) -> \ T.Generator[T.Union['TAPParser.Test', 'TAPParser.Error'], None, None]: name = name.strip() explanation = explanation.strip() if explanation else None if directive is not None: directive = directive.upper() if directive.startswith('SKIP'): if ok: yield self.Test(num, name, TestResult.SKIP, explanation) return elif directive == 'TODO': yield self.Test(num, name, TestResult.UNEXPECTEDPASS if ok else TestResult.EXPECTEDFAIL, explanation) return else: yield self.Error('invalid directive "{}"'.format(directive,)) yield self.Test(num, name, TestResult.OK if ok else TestResult.FAIL, explanation) def parse(self) -> T.Generator[T.Union['TAPParser.Test', 'TAPParser.Error', 'TAPParser.Version', 'TAPParser.Plan', 'TAPParser.Bailout'], None, None]: found_late_test = False bailed_out = False plan = None lineno = 0 num_tests = 0 yaml_lineno = None yaml_indent = '' state = self._MAIN version = 12 while True: lineno += 1 try: line = next(self.io).rstrip() except StopIteration: break # YAML blocks are only accepted after a test if state == self._AFTER_TEST: if version >= 13: m = self._RE_YAML_START.match(line) if m: state = self._YAML yaml_lineno = lineno yaml_indent = m.group(1) continue state = self._MAIN elif state == self._YAML: if self._RE_YAML_END.match(line): state = self._MAIN continue if line.startswith(yaml_indent): continue yield self.Error('YAML block not terminated (started on line {})'.format(yaml_lineno)) state = self._MAIN assert state == self._MAIN if line.startswith('#'): continue m = self._RE_TEST.match(line) if m: if plan and plan.late and not found_late_test: yield self.Error('unexpected test after late plan') found_late_test = True num_tests += 1 num = num_tests if m.group(2) is None else int(m.group(2)) if num != num_tests: yield self.Error('out of order test numbers') yield from self.parse_test(m.group(1) == 'ok', num, m.group(3), m.group(4), m.group(5)) state = self._AFTER_TEST continue m = self._RE_PLAN.match(line) if m: if plan: yield self.Error('more than one plan found') else: count = int(m.group(1)) skipped = (count == 0) if m.group(2): if m.group(2).upper().startswith('SKIP'): if count > 0: yield self.Error('invalid SKIP directive for plan') skipped = True else: yield self.Error('invalid directive for plan') plan = self.Plan(count=count, late=(num_tests > 0), skipped=skipped, explanation=m.group(3)) yield plan continue m = self._RE_BAILOUT.match(line) if m: yield self.Bailout(m.group(1)) bailed_out = True continue m = self._RE_VERSION.match(line) if m: # The TAP version is only accepted as the first line if lineno != 1: yield self.Error('version number must be on the first line') continue version = int(m.group(1)) if version < 13: yield self.Error('version number should be at least 13') else: yield self.Version(version=version) continue if not line: continue yield self.Error('unexpected input at line {}'.format((lineno,))) if state == self._YAML: yield self.Error('YAML block not terminated (started on line {})'.format(yaml_lineno)) if not bailed_out and plan and num_tests != plan.count: if num_tests < plan.count: yield self.Error('Too few tests run (expected {}, got {})'.format(plan.count, num_tests)) else: yield self.Error('Too many tests run (expected {}, got {})'.format(plan.count, num_tests)) class JunitBuilder: """Builder for Junit test results. Junit is impossible to stream out, it requires attributes counting the total number of tests, failures, skips, and errors in the root element and in each test suite. As such, we use a builder class to track each test case, and calculate all metadata before writing it out. For tests with multiple results (like from a TAP test), we record the test as a suite with the project_name.test_name. This allows us to track each result separately. For tests with only one result (such as exit-code tests) we record each one into a suite with the name project_name. The use of the project_name allows us to sort subproject tests separately from the root project. """ def __init__(self, filename: str) -> None: self.filename = filename self.root = et.Element( 'testsuites', tests='0', errors='0', failures='0') self.suites = {} # type: T.Dict[str, et.Element] def log(self, name: str, test: 'TestRun') -> None: """Log a single test case.""" if test.junit is not None: for suite in test.junit.findall('.//testsuite'): # Assume that we don't need to merge anything here... suite.attrib['name'] = '{}.{}.{}'.format(test.project, name, suite.attrib['name']) # GTest can inject invalid attributes for case in suite.findall('.//testcase[@result]'): del case.attrib['result'] for case in suite.findall('.//testcase[@timestamp]'): del case.attrib['timestamp'] self.root.append(suite) return # In this case we have a test binary with multiple results. # We want to record this so that each result is recorded # separately if test.results: suitename = '{}.{}'.format(test.project, name) assert suitename not in self.suites, 'duplicate suite' suite = self.suites[suitename] = et.Element( 'testsuite', name=suitename, tests=str(len(test.results)), errors=str(sum(1 for r in test.results if r is TestResult.ERROR)), failures=str(sum(1 for r in test.results if r in {TestResult.FAIL, TestResult.UNEXPECTEDPASS, TestResult.TIMEOUT})), skipped=str(sum(1 for r in test.results if r is TestResult.SKIP)), ) for i, result in enumerate(test.results): # Both name and classname are required. Set them both to the # number of the test in a TAP test, as TAP doesn't give names. testcase = et.SubElement(suite, 'testcase', name=str(i), classname=str(i)) if result is TestResult.SKIP: et.SubElement(testcase, 'skipped') elif result is TestResult.ERROR: et.SubElement(testcase, 'error') elif result is TestResult.FAIL: et.SubElement(testcase, 'failure') elif result is TestResult.UNEXPECTEDPASS: fail = et.SubElement(testcase, 'failure') fail.text = 'Test unexpected passed.' elif result is TestResult.TIMEOUT: fail = et.SubElement(testcase, 'failure') fail.text = 'Test did not finish before configured timeout.' if test.stdo: out = et.SubElement(suite, 'system-out') out.text = test.stdo.rstrip() if test.stde: err = et.SubElement(suite, 'system-err') err.text = test.stde.rstrip() else: if test.project not in self.suites: suite = self.suites[test.project] = et.Element( 'testsuite', name=test.project, tests='1', errors='0', failures='0', skipped='0') else: suite = self.suites[test.project] suite.attrib['tests'] = str(int(suite.attrib['tests']) + 1) testcase = et.SubElement(suite, 'testcase', name=name, classname=name) if test.res is TestResult.SKIP: et.SubElement(testcase, 'skipped') suite.attrib['skipped'] = str(int(suite.attrib['skipped']) + 1) elif test.res is TestResult.ERROR: et.SubElement(testcase, 'error') suite.attrib['errors'] = str(int(suite.attrib['errors']) + 1) elif test.res is TestResult.FAIL: et.SubElement(testcase, 'failure') suite.attrib['failures'] = str(int(suite.attrib['failures']) + 1) if test.stdo: out = et.SubElement(testcase, 'system-out') out.text = test.stdo.rstrip() if test.stde: err = et.SubElement(testcase, 'system-err') err.text = test.stde.rstrip() def write(self) -> None: """Calculate total test counts and write out the xml result.""" for suite in self.suites.values(): self.root.append(suite) # Skipped is really not allowed in the "testsuits" element for attr in ['tests', 'errors', 'failures']: self.root.attrib[attr] = str(int(self.root.attrib[attr]) + int(suite.attrib[attr])) tree = et.ElementTree(self.root) with open(self.filename, 'wb') as f: tree.write(f, encoding='utf-8', xml_declaration=True) class TestRun: @classmethod def make_gtest(cls, test: TestSerialisation, test_env: T.Dict[str, str], returncode: int, starttime: float, duration: float, stdo: T.Optional[str], stde: T.Optional[str], cmd: T.Optional[T.List[str]]) -> 'TestRun': filename = '{}.xml'.format(test.name) if test.workdir: filename = os.path.join(test.workdir, filename) tree = et.parse(filename) return cls.make_exitcode( test, test_env, returncode, starttime, duration, stdo, stde, cmd, junit=tree) @classmethod def make_exitcode(cls, test: TestSerialisation, test_env: T.Dict[str, str], returncode: int, starttime: float, duration: float, stdo: T.Optional[str], stde: T.Optional[str], cmd: T.Optional[T.List[str]], **kwargs: T.Any) -> 'TestRun': if returncode == GNU_SKIP_RETURNCODE: res = TestResult.SKIP elif returncode == GNU_ERROR_RETURNCODE: res = TestResult.ERROR elif test.should_fail: res = TestResult.EXPECTEDFAIL if bool(returncode) else TestResult.UNEXPECTEDPASS else: res = TestResult.FAIL if bool(returncode) else TestResult.OK return cls(test, test_env, res, [], returncode, starttime, duration, stdo, stde, cmd, **kwargs) @classmethod def make_tap(cls, test: TestSerialisation, test_env: T.Dict[str, str], returncode: int, starttime: float, duration: float, stdo: str, stde: str, cmd: T.Optional[T.List[str]]) -> 'TestRun': res = None # type: T.Optional[TestResult] results = [] # type: T.List[TestResult] failed = False for i in TAPParser(io.StringIO(stdo)).parse(): if isinstance(i, TAPParser.Bailout): results.append(TestResult.ERROR) failed = True elif isinstance(i, TAPParser.Test): results.append(i.result) if i.result not in {TestResult.OK, TestResult.EXPECTEDFAIL, TestResult.SKIP}: failed = True elif isinstance(i, TAPParser.Error): results.append(TestResult.ERROR) stde += '\nTAP parsing error: ' + i.message failed = True if returncode != 0: res = TestResult.ERROR stde += '\n(test program exited with status code {})'.format(returncode,) if res is None: # Now determine the overall result of the test based on the outcome of the subcases if all(t is TestResult.SKIP for t in results): # This includes the case where num_tests is zero res = TestResult.SKIP elif test.should_fail: res = TestResult.EXPECTEDFAIL if failed else TestResult.UNEXPECTEDPASS else: res = TestResult.FAIL if failed else TestResult.OK return cls(test, test_env, res, results, returncode, starttime, duration, stdo, stde, cmd) def __init__(self, test: TestSerialisation, test_env: T.Dict[str, str], res: TestResult, results: T.List[TestResult], returncode: int, starttime: float, duration: float, stdo: T.Optional[str], stde: T.Optional[str], cmd: T.Optional[T.List[str]], *, junit: T.Optional[et.ElementTree] = None): assert isinstance(res, TestResult) self.res = res self.results = results # May be an empty list self.returncode = returncode self.starttime = starttime self.duration = duration self.stdo = stdo self.stde = stde self.cmd = cmd self.env = test_env self.should_fail = test.should_fail self.project = test.project_name self.junit = junit def get_log(self) -> str: res = '--- command ---\n' if self.cmd is None: res += 'NONE\n' else: test_only_env = set(self.env.items()) - set(os.environ.items()) starttime_str = time.strftime("%H:%M:%S", time.gmtime(self.starttime)) res += '{} {}{}\n'.format( starttime_str, env_tuple_to_str(test_only_env), ' '.join(self.cmd) ) if self.stdo: res += '--- stdout ---\n' res += self.stdo if self.stde: if res[-1:] != '\n': res += '\n' res += '--- stderr ---\n' res += self.stde if res[-1:] != '\n': res += '\n' res += '-------\n\n' return res def decode(stream: T.Union[None, bytes]) -> str: if stream is None: return '' try: return stream.decode('utf-8') except UnicodeDecodeError: return stream.decode('iso-8859-1', errors='ignore') def write_json_log(jsonlogfile: T.TextIO, test_name: str, result: TestRun) -> None: jresult = {'name': test_name, 'stdout': result.stdo, 'result': result.res.value, 'starttime': result.starttime, 'duration': result.duration, 'returncode': result.returncode, 'env': result.env, 'command': result.cmd} # type: T.Dict[str, T.Any] if result.stde: jresult['stderr'] = result.stde jsonlogfile.write(json.dumps(jresult) + '\n') def run_with_mono(fname: str) -> bool: return fname.endswith('.exe') and not (is_windows() or is_cygwin()) def check_testdata(objs: T.List[TestSerialisation]) -> T.List[TestSerialisation]: if not isinstance(objs, list): raise MesonVersionMismatchException('', coredata_version) for obj in objs: if not isinstance(obj, TestSerialisation): raise MesonVersionMismatchException('', coredata_version) if not hasattr(obj, 'version'): raise MesonVersionMismatchException('', coredata_version) if major_versions_differ(obj.version, coredata_version): raise MesonVersionMismatchException(obj.version, coredata_version) return objs def load_benchmarks(build_dir: str) -> T.List[TestSerialisation]: datafile = Path(build_dir) / 'meson-private' / 'meson_benchmark_setup.dat' if not datafile.is_file(): raise TestException('Directory {!r} does not seem to be a Meson build directory.'.format(build_dir)) with datafile.open('rb') as f: objs = check_testdata(pickle.load(f)) return objs def load_tests(build_dir: str) -> T.List[TestSerialisation]: datafile = Path(build_dir) / 'meson-private' / 'meson_test_setup.dat' if not datafile.is_file(): raise TestException('Directory {!r} does not seem to be a Meson build directory.'.format(build_dir)) with datafile.open('rb') as f: objs = check_testdata(pickle.load(f)) return objs class SingleTestRunner: def __init__(self, test: TestSerialisation, test_env: T.Dict[str, str], env: T.Dict[str, str], options: argparse.Namespace): self.test = test self.test_env = test_env self.env = env self.options = options def _get_cmd(self) -> T.Optional[T.List[str]]: if self.test.fname[0].endswith('.jar'): return ['java', '-jar'] + self.test.fname elif not self.test.is_cross_built and run_with_mono(self.test.fname[0]): return ['mono'] + self.test.fname elif self.test.cmd_is_built and self.test.needs_exe_wrapper: if self.test.exe_runner is None: # Can not run test on cross compiled executable # because there is no execute wrapper. return None elif self.test.cmd_is_built: # If the command is not built (ie, its a python script), # then we don't check for the exe-wrapper if not self.test.exe_runner.found(): msg = ('The exe_wrapper defined in the cross file {!r} was not ' 'found. Please check the command and/or add it to PATH.') raise TestException(msg.format(self.test.exe_runner.name)) return self.test.exe_runner.get_command() + self.test.fname return self.test.fname def run(self) -> TestRun: cmd = self._get_cmd() if cmd is None: skip_stdout = 'Not run because can not execute cross compiled binaries.' return TestRun(self.test, self.test_env, TestResult.SKIP, [], GNU_SKIP_RETURNCODE, time.time(), 0.0, skip_stdout, None, None) else: wrap = TestHarness.get_wrapper(self.options) if self.options.gdb: self.test.timeout = None return self._run_cmd(wrap + cmd + self.test.cmd_args + self.options.test_args) def _run_cmd(self, cmd: T.List[str]) -> TestRun: starttime = time.time() if self.test.extra_paths: self.env['PATH'] = os.pathsep.join(self.test.extra_paths + ['']) + self.env['PATH'] winecmd = [] for c in cmd: winecmd.append(c) if os.path.basename(c).startswith('wine'): self.env['WINEPATH'] = get_wine_shortpath( winecmd, ['Z:' + p for p in self.test.extra_paths] + self.env.get('WINEPATH', '').split(';') ) break # If MALLOC_PERTURB_ is not set, or if it is set to an empty value, # (i.e., the test or the environment don't explicitly set it), set # it ourselves. We do this unconditionally for regular tests # because it is extremely useful to have. # Setting MALLOC_PERTURB_="0" will completely disable this feature. if ('MALLOC_PERTURB_' not in self.env or not self.env['MALLOC_PERTURB_']) and not self.options.benchmark: self.env['MALLOC_PERTURB_'] = str(random.randint(1, 255)) stdout = None stderr = None if not self.options.verbose: stdout = tempfile.TemporaryFile("wb+") stderr = tempfile.TemporaryFile("wb+") if self.options.split else stdout if self.test.protocol is TestProtocol.TAP and stderr is stdout: stdout = tempfile.TemporaryFile("wb+") # Let gdb handle ^C instead of us if self.options.gdb: previous_sigint_handler = signal.getsignal(signal.SIGINT) # Make the meson executable ignore SIGINT while gdb is running. signal.signal(signal.SIGINT, signal.SIG_IGN) def preexec_fn() -> None: if self.options.gdb: # Restore the SIGINT handler for the child process to # ensure it can handle it. signal.signal(signal.SIGINT, signal.SIG_DFL) else: # We don't want setsid() in gdb because gdb needs the # terminal in order to handle ^C and not show tcsetpgrp() # errors avoid not being able to use the terminal. os.setsid() extra_cmd = [] # type: T.List[str] if self.test.protocol is TestProtocol.GTEST: gtestname = self.test.name if self.test.workdir: gtestname = os.path.join(self.test.workdir, self.test.name) extra_cmd.append('--gtest_output=xml:{}.xml'.format(gtestname)) p = subprocess.Popen(cmd + extra_cmd, stdout=stdout, stderr=stderr, env=self.env, cwd=self.test.workdir, preexec_fn=preexec_fn if not is_windows() else None) timed_out = False kill_test = False if self.test.timeout is None: timeout = None elif self.options.timeout_multiplier is not None: timeout = self.test.timeout * self.options.timeout_multiplier else: timeout = self.test.timeout try: p.communicate(timeout=timeout) except subprocess.TimeoutExpired: if self.options.verbose: print('{} time out (After {} seconds)'.format(self.test.name, timeout)) timed_out = True except KeyboardInterrupt: mlog.warning('CTRL-C detected while running {}'.format(self.test.name)) kill_test = True finally: if self.options.gdb: # Let us accept ^C again signal.signal(signal.SIGINT, previous_sigint_handler) additional_error = None if kill_test or timed_out: # Python does not provide multiplatform support for # killing a process and all its children so we need # to roll our own. if is_windows(): subprocess.run(['taskkill', '/F', '/T', '/PID', str(p.pid)]) else: def _send_signal_to_process_group(pgid : int, signum : int) -> None: """ sends a signal to a process group """ try: os.killpg(pgid, signum) except ProcessLookupError: # Sometimes (e.g. with Wine) this happens. # There's nothing we can do (maybe the process # already died) so carry on. pass # Send a termination signal to the process group that setsid() # created - giving it a chance to perform any cleanup. _send_signal_to_process_group(p.pid, signal.SIGTERM) # Make sure the termination signal actually kills the process # group, otherwise retry with a SIGKILL. try: p.communicate(timeout=0.5) except subprocess.TimeoutExpired: _send_signal_to_process_group(p.pid, signal.SIGKILL) try: p.communicate(timeout=1) except subprocess.TimeoutExpired: # An earlier kill attempt has not worked for whatever reason. # Try to kill it one last time with a direct call. # If the process has spawned children, they will remain around. p.kill() try: p.communicate(timeout=1) except subprocess.TimeoutExpired: additional_error = 'Test process could not be killed.' except ValueError: additional_error = 'Could not read output. Maybe the process has redirected its stdout/stderr?' endtime = time.time() duration = endtime - starttime if additional_error is None: if stdout is None: stdo = '' else: stdout.seek(0) stdo = decode(stdout.read()) if stderr is None or stderr is stdout: stde = '' else: stderr.seek(0) stde = decode(stderr.read()) else: stdo = "" stde = additional_error if timed_out: return TestRun(self.test, self.test_env, TestResult.TIMEOUT, [], p.returncode, starttime, duration, stdo, stde, cmd) else: if self.test.protocol is TestProtocol.EXITCODE: return TestRun.make_exitcode(self.test, self.test_env, p.returncode, starttime, duration, stdo, stde, cmd) elif self.test.protocol is TestProtocol.GTEST: return TestRun.make_gtest(self.test, self.test_env, p.returncode, starttime, duration, stdo, stde, cmd) else: if self.options.verbose: print(stdo, end='') return TestRun.make_tap(self.test, self.test_env, p.returncode, starttime, duration, stdo, stde, cmd) class TestHarness: def __init__(self, options: argparse.Namespace): self.options = options self.collected_logs = [] # type: T.List[str] self.collected_failures = [] # type: T.List[str] self.fail_count = 0 self.expectedfail_count = 0 self.unexpectedpass_count = 0 self.success_count = 0 self.skip_count = 0 self.timeout_count = 0 self.is_run = False self.tests = None self.results = [] # type: T.List[TestRun] self.logfilename = None # type: T.Optional[str] self.logfile = None # type: T.Optional[T.TextIO] self.jsonlogfile = None # type: T.Optional[T.TextIO] self.junit = None # type: T.Optional[JunitBuilder] if self.options.benchmark: self.tests = load_benchmarks(options.wd) else: self.tests = load_tests(options.wd) ss = set() for t in self.tests: for s in t.suite: ss.add(s) self.suites = list(ss) def __del__(self) -> None: self.close_logfiles() def __enter__(self) -> 'TestHarness': return self def __exit__(self, exc_type: T.Any, exc_value: T.Any, traceback: T.Any) -> None: self.close_logfiles() def close_logfiles(self) -> None: for f in ['logfile', 'jsonlogfile']: lfile = getattr(self, f) if lfile: lfile.close() setattr(self, f, None) def merge_suite_options(self, options: argparse.Namespace, test: TestSerialisation) -> T.Dict[str, str]: if ':' in options.setup: if options.setup not in self.build_data.test_setups: sys.exit("Unknown test setup '{}'.".format(options.setup)) current = self.build_data.test_setups[options.setup] else: full_name = test.project_name + ":" + options.setup if full_name not in self.build_data.test_setups: sys.exit("Test setup '{}' not found from project '{}'.".format(options.setup, test.project_name)) current = self.build_data.test_setups[full_name] if not options.gdb: options.gdb = current.gdb if options.gdb: options.verbose = True if options.timeout_multiplier is None: options.timeout_multiplier = current.timeout_multiplier # if options.env is None: # options.env = current.env # FIXME, should probably merge options here. if options.wrapper is not None and current.exe_wrapper is not None: sys.exit('Conflict: both test setup and command line specify an exe wrapper.') if options.wrapper is None: options.wrapper = current.exe_wrapper return current.env.get_env(os.environ.copy()) def get_test_runner(self, test: TestSerialisation) -> SingleTestRunner: options = deepcopy(self.options) if not options.setup: options.setup = self.build_data.test_setup_default_name if options.setup: env = self.merge_suite_options(options, test) else: env = os.environ.copy() test_env = test.env.get_env(env) env.update(test_env) if (test.is_cross_built and test.needs_exe_wrapper and test.exe_runner and test.exe_runner.found()): env['MESON_EXE_WRAPPER'] = join_args(test.exe_runner.get_command()) return SingleTestRunner(test, test_env, env, options) def process_test_result(self, result: TestRun) -> None: if result.res is TestResult.TIMEOUT: self.timeout_count += 1 elif result.res is TestResult.SKIP: self.skip_count += 1 elif result.res is TestResult.OK: self.success_count += 1 elif result.res is TestResult.FAIL or result.res is TestResult.ERROR: self.fail_count += 1 elif result.res is TestResult.EXPECTEDFAIL: self.expectedfail_count += 1 elif result.res is TestResult.UNEXPECTEDPASS: self.unexpectedpass_count += 1 else: sys.exit('Unknown test result encountered: {}'.format(result.res)) def print_stats(self, test_count: int, name_max_len: int, tests: T.List[TestSerialisation], name: str, result: TestRun, i: int) -> None: ok_statuses = (TestResult.OK, TestResult.EXPECTEDFAIL) bad_statuses = (TestResult.FAIL, TestResult.TIMEOUT, TestResult.UNEXPECTEDPASS, TestResult.ERROR) result_str = '{num:{numlen}}/{testcount} {name:{name_max_len}} {res:{reslen}} {dur:.2f}s'.format( numlen=len(str(test_count)), num=i, testcount=test_count, name_max_len=name_max_len, name=name, reslen=TestResult.maxlen(), res=result.res.value, dur=result.duration) if result.res is TestResult.FAIL: result_str += ' ' + returncode_to_status(result.returncode) if result.res in bad_statuses: self.collected_failures.append(result_str) if not self.options.quiet or result.res not in ok_statuses: decorator = mlog.plain if result.res in bad_statuses: decorator = mlog.red elif result.res is TestResult.SKIP: decorator = mlog.yellow print(decorator(result_str).get_text(mlog.colorize_console())) result_str += "\n\n" + result.get_log() if result.res in bad_statuses: if self.options.print_errorlogs: self.collected_logs.append(result_str) if self.logfile: self.logfile.write(result_str) if self.jsonlogfile: write_json_log(self.jsonlogfile, name, result) if self.junit: self.junit.log(name, result) def print_summary(self) -> None: # Prepend a list of failures msg = '' if len(self.collected_failures) < 1 else "\nSummary of Failures:\n\n" msg += '\n'.join(self.collected_failures) msg += textwrap.dedent(''' Ok: {:<4} Expected Fail: {:<4} Fail: {:<4} Unexpected Pass: {:<4} Skipped: {:<4} Timeout: {:<4} ''').format(self.success_count, self.expectedfail_count, self.fail_count, self.unexpectedpass_count, self.skip_count, self.timeout_count) print(msg) if self.logfile: self.logfile.write(msg) if self.junit: self.junit.write() def print_collected_logs(self) -> None: if self.collected_logs: if len(self.collected_logs) > 10: print('\nThe output from 10 first failed tests:\n') else: print('\nThe output from the failed tests:\n') for log in self.collected_logs[:10]: lines = log.splitlines() if len(lines) > 104: print('\n'.join(lines[0:4])) print('--- Listing only the last 100 lines from a long log. ---') lines = lines[-100:] for line in lines: try: print(line) except UnicodeEncodeError: line = line.encode('ascii', errors='replace').decode() print(line) def total_failure_count(self) -> int: return self.fail_count + self.unexpectedpass_count + self.timeout_count def doit(self) -> int: if self.is_run: raise RuntimeError('Test harness object can only be used once.') self.is_run = True tests = self.get_tests() if not tests: return 0 self.run_tests(tests) return self.total_failure_count() @staticmethod def split_suite_string(suite: str) -> T.Tuple[str, str]: if ':' in suite: split = suite.split(':', 1) assert len(split) == 2 return split[0], split[1] else: return suite, "" @staticmethod def test_in_suites(test: TestSerialisation, suites: T.List[str]) -> bool: for suite in suites: (prj_match, st_match) = TestHarness.split_suite_string(suite) for prjst in test.suite: (prj, st) = TestHarness.split_suite_string(prjst) # the SUITE can be passed as # suite_name # or # project_name:suite_name # so we need to select only the test belonging to project_name # this if handle the first case (i.e., SUITE == suite_name) # in this way we can run tests belonging to different # (sub)projects which share the same suite_name if not st_match and st == prj_match: return True # these two conditions are needed to handle the second option # i.e., SUITE == project_name:suite_name # in this way we select the only the tests of # project_name with suite_name if prj_match and prj != prj_match: continue if st_match and st != st_match: continue return True return False def test_suitable(self, test: TestSerialisation) -> bool: return ((not self.options.include_suites or TestHarness.test_in_suites(test, self.options.include_suites)) and not TestHarness.test_in_suites(test, self.options.exclude_suites)) def tests_from_args(self, tests: T.List[TestSerialisation]) -> T.Generator[TestSerialisation, None, None]: ''' Allow specifying test names like "meson test foo1 foo2", where test('foo1', ...) Also support specifying the subproject to run tests from like "meson test subproj:" (all tests inside subproj) or "meson test subproj:foo1" to run foo1 inside subproj. Coincidentally also "meson test :foo1" to run all tests with that name across all subprojects, which is identical to "meson test foo1" ''' for arg in self.options.args: if ':' in arg: subproj, name = arg.split(':', maxsplit=1) else: subproj, name = '', arg for t in tests: if subproj and t.project_name != subproj: continue if name and t.name != name: continue yield t def get_tests(self) -> T.List[TestSerialisation]: if not self.tests: print('No tests defined.') return [] if self.options.include_suites or self.options.exclude_suites: tests = [] for tst in self.tests: if self.test_suitable(tst): tests.append(tst) else: tests = self.tests if self.options.args: tests = list(self.tests_from_args(tests)) if not tests: print('No suitable tests defined.') return [] return tests def open_log_files(self) -> None: if not self.options.logbase or self.options.verbose: return namebase = None logfile_base = os.path.join(self.options.wd, 'meson-logs', self.options.logbase) if self.options.wrapper: namebase = os.path.basename(self.get_wrapper(self.options)[0]) elif self.options.setup: namebase = self.options.setup.replace(":", "_") if namebase: logfile_base += '-' + namebase.replace(' ', '_') self.junit = JunitBuilder(logfile_base + '.junit.xml') self.logfilename = logfile_base + '.txt' self.jsonlogfilename = logfile_base + '.json' self.jsonlogfile = open(self.jsonlogfilename, 'w', encoding='utf-8', errors='replace') self.logfile = open(self.logfilename, 'w', encoding='utf-8', errors='surrogateescape') self.logfile.write('Log of Meson test suite run on {}\n\n'.format(datetime.datetime.now().isoformat())) inherit_env = env_tuple_to_str(os.environ.items()) self.logfile.write('Inherited environment: {}\n\n'.format(inherit_env)) @staticmethod def get_wrapper(options: argparse.Namespace) -> T.List[str]: wrap = [] # type: T.List[str] if options.gdb: wrap = [options.gdb_path, '--quiet', '--nh'] if options.repeat > 1: wrap += ['-ex', 'run', '-ex', 'quit'] # Signal the end of arguments to gdb wrap += ['--args'] if options.wrapper: wrap += options.wrapper return wrap def get_pretty_suite(self, test: TestSerialisation) -> str: if len(self.suites) > 1 and test.suite: rv = TestHarness.split_suite_string(test.suite[0])[0] s = "+".join(TestHarness.split_suite_string(s)[1] for s in test.suite) if s: rv += ":" return rv + s + " / " + test.name else: return test.name def run_tests(self, tests: T.List[TestSerialisation]) -> None: executor = None futures = [] # type: T.List[T.Tuple[conc.Future[TestRun], int, int, T.List[TestSerialisation], str, int]] test_count = len(tests) name_max_len = max([len(self.get_pretty_suite(test)) for test in tests]) self.open_log_files() startdir = os.getcwd() if self.options.wd: os.chdir(self.options.wd) self.build_data = build.load(os.getcwd()) try: for _ in range(self.options.repeat): for i, test in enumerate(tests, 1): visible_name = self.get_pretty_suite(test) single_test = self.get_test_runner(test) if not test.is_parallel or self.options.num_processes == 1 or single_test.options.gdb: self.drain_futures(futures) futures = [] res = single_test.run() self.process_test_result(res) self.print_stats(test_count, name_max_len, tests, visible_name, res, i) else: if not executor: executor = conc.ThreadPoolExecutor(max_workers=self.options.num_processes) f = executor.submit(single_test.run) futures.append((f, test_count, name_max_len, tests, visible_name, i)) if self.options.repeat > 1 and self.fail_count: break if self.options.repeat > 1 and self.fail_count: break self.drain_futures(futures) self.print_collected_logs() self.print_summary() if self.logfilename: print('Full log written to {}'.format(self.logfilename)) finally: os.chdir(startdir) def drain_futures(self, futures: T.List[T.Tuple['conc.Future[TestRun]', int, int, T.List[TestSerialisation], str, int]]) -> None: for x in futures: (result, test_count, name_max_len, tests, name, i) = x if self.options.repeat > 1 and self.fail_count: result.cancel() if self.options.verbose: result.result() self.process_test_result(result.result()) self.print_stats(test_count, name_max_len, tests, name, result.result(), i) def run_special(self) -> int: '''Tests run by the user, usually something like "under gdb 1000 times".''' if self.is_run: raise RuntimeError('Can not use run_special after a full run.') tests = self.get_tests() if not tests: return 0 self.run_tests(tests) return self.total_failure_count() def list_tests(th: TestHarness) -> bool: tests = th.get_tests() for t in tests: print(th.get_pretty_suite(t)) return not tests def rebuild_all(wd: str) -> bool: if not (Path(wd) / 'build.ninja').is_file(): print('Only ninja backend is supported to rebuild tests before running them.') return True ninja = environment.detect_ninja() if not ninja: print("Can't find ninja, can't rebuild test.") return False ret = subprocess.run(ninja + ['-C', wd]).returncode if ret != 0: print('Could not rebuild {}'.format(wd)) return False return True def run(options: argparse.Namespace) -> int: if options.benchmark: options.num_processes = 1 if options.verbose and options.quiet: print('Can not be both quiet and verbose at the same time.') return 1 check_bin = None if options.gdb: options.verbose = True if options.wrapper: print('Must not specify both a wrapper and gdb at the same time.') return 1 check_bin = 'gdb' if options.wrapper: check_bin = options.wrapper[0] if check_bin is not None: exe = ExternalProgram(check_bin, silent=True) if not exe.found(): print('Could not find requested program: {!r}'.format(check_bin)) return 1 if not options.list and not options.no_rebuild: if not rebuild_all(options.wd): # We return 125 here in case the build failed. # The reason is that exit code 125 tells `git bisect run` that the current commit should be skipped. # Thus users can directly use `meson test` to bisect without needing to handle the does-not-build case separately in a wrapper script. return 125 with TestHarness(options) as th: try: if options.list: return list_tests(th) if not options.args: return th.doit() return th.run_special() except TestException as e: print('Meson test encountered an error:\n') if os.environ.get('MESON_FORCE_BACKTRACE'): raise e else: print(e) return 1 def run_with_args(args: T.List[str]) -> int: parser = argparse.ArgumentParser(prog='meson test') add_arguments(parser) options = parser.parse_args(args) return run(options)