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meson/mesonbuild/mtest.py

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# SPDX-License-Identifier: Apache-2.0
# Copyright 2016-2017 The Meson development team
# A tool to run tests in many different ways.
from __future__ import annotations
from pathlib import Path
from collections import deque
from contextlib import suppress
from copy import deepcopy
from fnmatch import fnmatch
import argparse
import asyncio
import datetime
import enum
import json
import multiprocessing
import os
import pickle
import platform
import random
import re
import signal
import subprocess
import shlex
import sys
import textwrap
import time
import typing as T
import unicodedata
import xml.etree.ElementTree as et
from . import build
from . import environment
from . import mlog
from .coredata import MesonVersionMismatchException, major_versions_differ
from .coredata import version as coredata_version
from .mesonlib import (MesonException, OrderedSet, RealPathAction,
get_wine_shortpath, join_args, split_args, setup_vsenv)
from .options import OptionKey
from .mintro import get_infodir, load_info_file
from .programs import ExternalProgram
from .backend.backends import TestProtocol, TestSerialisation
if T.TYPE_CHECKING:
TYPE_TAPResult = T.Union['TAPParser.Test',
'TAPParser.Error',
'TAPParser.Version',
'TAPParser.Plan',
'TAPParser.UnknownLine',
'TAPParser.Bailout']
# 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
# Exit if 3 Ctrl-C's are received within one second
MAX_CTRLC = 3
# Define unencodable xml characters' regex for replacing them with their
# printable representation
UNENCODABLE_XML_UNICHRS: T.List[T.Tuple[int, int]] = [
(0x00, 0x08), (0x0B, 0x0C), (0x0E, 0x1F), (0x7F, 0x84),
(0x86, 0x9F), (0xFDD0, 0xFDEF), (0xFFFE, 0xFFFF)]
# Not narrow build
if sys.maxunicode >= 0x10000:
UNENCODABLE_XML_UNICHRS.extend([
(0x1FFFE, 0x1FFFF), (0x2FFFE, 0x2FFFF),
(0x3FFFE, 0x3FFFF), (0x4FFFE, 0x4FFFF),
(0x5FFFE, 0x5FFFF), (0x6FFFE, 0x6FFFF),
(0x7FFFE, 0x7FFFF), (0x8FFFE, 0x8FFFF),
(0x9FFFE, 0x9FFFF), (0xAFFFE, 0xAFFFF),
(0xBFFFE, 0xBFFFF), (0xCFFFE, 0xCFFFF),
(0xDFFFE, 0xDFFFF), (0xEFFFE, 0xEFFFF),
(0xFFFFE, 0xFFFFF), (0x10FFFE, 0x10FFFF)])
UNENCODABLE_XML_CHR_RANGES = [fr'{chr(low)}-{chr(high)}' for (low, high) in UNENCODABLE_XML_UNICHRS]
UNENCODABLE_XML_CHRS_RE = re.compile('([' + ''.join(UNENCODABLE_XML_CHR_RANGES) + '])')
def is_windows() -> bool:
platname = platform.system().lower()
return platname == 'windows'
def is_cygwin() -> bool:
return sys.platform == 'cygwin'
UNIWIDTH_MAPPING = {'F': 2, 'H': 1, 'W': 2, 'Na': 1, 'N': 1, 'A': 1}
def uniwidth(s: str) -> int:
result = 0
for c in s:
w = unicodedata.east_asian_width(c)
result += UNIWIDTH_MAPPING[w]
return result
def determine_worker_count() -> int:
varname = 'MESON_TESTTHREADS'
num_workers = 0
if varname in os.environ:
try:
num_workers = int(os.environ[varname])
if num_workers < 0:
raise ValueError
except ValueError:
print(f'Invalid value in {varname}, using 1 thread.')
num_workers = 1
if num_workers == 0:
try:
# Fails in some weird environments such as Debian
# reproducible build.
num_workers = multiprocessing.cpu_count()
except Exception:
num_workers = 1
return num_workers
# Note: when adding arguments, please also add them to the completion
# scripts in $MESONSRC/data/shell-completions/
def add_arguments(parser: argparse.ArgumentParser) -> None:
parser.add_argument('--maxfail', default=0, type=int,
help='Number of failing tests before aborting the '
'test run. (default: 0, to disable aborting on failure)')
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('-i', '--interactive', default=False, dest='interactive',
action='store_true', help='Run tests with interactive input/output.')
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', dest='wd', action=RealPathAction,
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('-j', '--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. (<= 0 to disable timeout)')
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('--max-lines', default=100, dest='max_lines', type=int,
help='Maximum number of lines to show from a long test log. Since 1.5.0.')
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 print_safe(s: str) -> None:
end = '' if s[-1] == '\n' else '\n'
try:
print(s, end=end)
except UnicodeEncodeError:
s = s.encode('ascii', errors='backslashreplace').decode('ascii')
print(s, end=end)
def join_lines(a: str, b: str) -> str:
if not a:
return b
if not b:
return a
return a + '\n' + b
def dashes(s: str, dash: str, cols: int) -> str:
if not s:
return dash * cols
s = ' ' + s + ' '
width = uniwidth(s)
first = (cols - width) // 2
s = dash * first + s
return s + dash * (cols - first - width)
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 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 f'killed by signal {signum} {signame}'
if retcode <= 128:
return f'exit status {retcode}'
signum = retcode - 128
try:
signame = signal.Signals(signum).name
except ValueError:
signame = 'SIGinvalid'
return f'(exit status {retcode} or signal {signum} {signame})'
# TODO for Windows
sh_quote: T.Callable[[str], str] = lambda x: x
if not is_windows():
sh_quote = shlex.quote
def env_tuple_to_str(env: T.Iterable[T.Tuple[str, str]]) -> str:
return ''.join(["{}={} ".format(k, sh_quote(v)) for k, v in env])
class TestException(MesonException):
pass
@enum.unique
class ConsoleUser(enum.Enum):
# the logger can use the console
LOGGER = 0
# the console is used by gdb or the user
INTERACTIVE = 1
# the console is used to write stdout/stderr
STDOUT = 2
@enum.unique
class TestResult(enum.Enum):
PENDING = 'PENDING'
RUNNING = 'RUNNING'
OK = 'OK'
TIMEOUT = 'TIMEOUT'
INTERRUPT = 'INTERRUPT'
SKIP = 'SKIP'
FAIL = 'FAIL'
EXPECTEDFAIL = 'EXPECTEDFAIL'
UNEXPECTEDPASS = 'UNEXPECTEDPASS'
ERROR = 'ERROR'
@staticmethod
def maxlen() -> int:
return 14 # len(UNEXPECTEDPASS)
def is_ok(self) -> bool:
return self in {TestResult.OK, TestResult.EXPECTEDFAIL}
def is_bad(self) -> bool:
return self in {TestResult.FAIL, TestResult.TIMEOUT, TestResult.INTERRUPT,
TestResult.UNEXPECTEDPASS, TestResult.ERROR}
def is_finished(self) -> bool:
return self not in {TestResult.PENDING, TestResult.RUNNING}
def was_killed(self) -> bool:
return self in (TestResult.TIMEOUT, TestResult.INTERRUPT)
def colorize(self, s: str) -> mlog.AnsiDecorator:
if self.is_bad():
decorator = mlog.red
elif self in (TestResult.SKIP, TestResult.EXPECTEDFAIL):
decorator = mlog.yellow
elif self.is_finished():
decorator = mlog.green
else:
decorator = mlog.blue
return decorator(s)
def get_text(self, colorize: bool) -> str:
result_str = '{res:{reslen}}'.format(res=self.value, reslen=self.maxlen())
return self.colorize(result_str).get_text(colorize)
def get_command_marker(self) -> str:
return str(self.colorize('>>> '))
class TAPParser:
class Plan(T.NamedTuple):
num_tests: int
late: bool
skipped: bool
explanation: T.Optional[str]
class Bailout(T.NamedTuple):
message: str
class Test(T.NamedTuple):
number: int
name: str
result: TestResult
explanation: T.Optional[str]
def __str__(self) -> str:
return f'{self.number} {self.name}'.strip()
class Error(T.NamedTuple):
message: str
class UnknownLine(T.NamedTuple):
message: str
lineno: int
class Version(T.NamedTuple):
version: int
_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*')
found_late_test = False
bailed_out = False
plan: T.Optional[Plan] = None
lineno = 0
num_tests = 0
yaml_lineno: T.Optional[int] = None
yaml_indent = ''
state = _MAIN
version = 12
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(f'invalid directive "{directive}"')
yield self.Test(num, name, TestResult.OK if ok else TestResult.FAIL, explanation)
async def parse_async(self, lines: T.AsyncIterator[str]) -> T.AsyncIterator[TYPE_TAPResult]:
async for line in lines:
for event in self.parse_line(line):
yield event
for event in self.parse_line(None):
yield event
def parse(self, io: T.Iterator[str]) -> T.Iterator[TYPE_TAPResult]:
for line in io:
yield from self.parse_line(line)
yield from self.parse_line(None)
def parse_line(self, line: T.Optional[str]) -> T.Iterator[TYPE_TAPResult]:
if line is not None:
self.lineno += 1
line = line.rstrip()
# YAML blocks are only accepted after a test
if self.state == self._AFTER_TEST:
if self.version >= 13:
m = self._RE_YAML_START.match(line)
if m:
self.state = self._YAML
self.yaml_lineno = self.lineno
self.yaml_indent = m.group(1)
return
self.state = self._MAIN
elif self.state == self._YAML:
if self._RE_YAML_END.match(line):
self.state = self._MAIN
return
if line.startswith(self.yaml_indent):
return
yield self.Error(f'YAML block not terminated (started on line {self.yaml_lineno})')
self.state = self._MAIN
assert self.state == self._MAIN
if not line or line.startswith('#'):
return
m = self._RE_TEST.match(line)
if m:
if self.plan and self.plan.late and not self.found_late_test:
yield self.Error('unexpected test after late plan')
self.found_late_test = True
self.num_tests += 1
num = self.num_tests if m.group(2) is None else int(m.group(2))
if num != self.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))
self.state = self._AFTER_TEST
return
m = self._RE_PLAN.match(line)
if m:
if self.plan:
yield self.Error('more than one plan found')
else:
num_tests = int(m.group(1))
skipped = num_tests == 0
if m.group(2):
if m.group(2).upper().startswith('SKIP'):
if num_tests > 0:
yield self.Error('invalid SKIP directive for plan')
skipped = True
else:
yield self.Error('invalid directive for plan')
self.plan = self.Plan(num_tests=num_tests, late=(self.num_tests > 0),
skipped=skipped, explanation=m.group(3))
yield self.plan
return
m = self._RE_BAILOUT.match(line)
if m:
yield self.Bailout(m.group(1))
self.bailed_out = True
return
m = self._RE_VERSION.match(line)
if m:
# The TAP version is only accepted as the first line
if self.lineno != 1:
yield self.Error('version number must be on the first line')
return
self.version = int(m.group(1))
if self.version < 13:
yield self.Error('version number should be at least 13')
else:
yield self.Version(version=self.version)
return
# unknown syntax
yield self.UnknownLine(line, self.lineno)
else:
# end of file
if self.state == self._YAML:
yield self.Error(f'YAML block not terminated (started on line {self.yaml_lineno})')
if not self.bailed_out and self.plan and self.num_tests != self.plan.num_tests:
if self.num_tests < self.plan.num_tests:
yield self.Error(f'Too few tests run (expected {self.plan.num_tests}, got {self.num_tests})')
else:
yield self.Error(f'Too many tests run (expected {self.plan.num_tests}, got {self.num_tests})')
class TestLogger:
def flush(self) -> None:
pass
def start(self, harness: 'TestHarness') -> None:
pass
def start_test(self, harness: 'TestHarness', test: 'TestRun') -> None:
pass
def log_subtest(self, harness: 'TestHarness', test: 'TestRun', s: str, res: TestResult) -> None:
pass
def log(self, harness: 'TestHarness', result: 'TestRun') -> None:
pass
async def finish(self, harness: 'TestHarness') -> None:
pass
def close(self) -> None:
pass
class TestFileLogger(TestLogger):
def __init__(self, filename: str, errors: str = 'replace') -> None:
self.filename = filename
self.file = open(filename, 'w', encoding='utf-8', errors=errors)
def close(self) -> None:
if self.file:
self.file.close()
self.file = None
class ConsoleLogger(TestLogger):
ASCII_SPINNER = ['..', ':.', '.:']
SPINNER = ["\U0001f311", "\U0001f312", "\U0001f313", "\U0001f314",
"\U0001f315", "\U0001f316", "\U0001f317", "\U0001f318"]
SCISSORS = "\u2700 "
HLINE = "\u2015"
RTRI = "\u25B6 "
def __init__(self, max_lines: int) -> None:
self.max_lines = max_lines
self.running_tests: OrderedSet['TestRun'] = OrderedSet()
self.progress_test: T.Optional['TestRun'] = None
self.progress_task: T.Optional[asyncio.Future] = None
self.max_left_width = 0
self.stop = False
# TODO: before 3.10 this cannot be created immediately, because
# it will create a new event loop
self.update: asyncio.Event
self.should_erase_line = ''
self.test_count = 0
self.started_tests = 0
self.spinner_index = 0
try:
self.cols, _ = os.get_terminal_size(1)
self.is_tty = True
except OSError:
self.cols = 80
self.is_tty = False
self.output_start = dashes(self.SCISSORS, self.HLINE, self.cols - 2)
self.output_end = dashes('', self.HLINE, self.cols - 2)
self.sub = self.RTRI
self.spinner = self.SPINNER
try:
self.output_start.encode(sys.stdout.encoding or 'ascii')
except UnicodeEncodeError:
self.output_start = dashes('8<', '-', self.cols - 2)
self.output_end = dashes('', '-', self.cols - 2)
self.sub = '| '
self.spinner = self.ASCII_SPINNER
def flush(self) -> None:
if self.should_erase_line:
print(self.should_erase_line, end='')
self.should_erase_line = ''
def print_progress(self, line: str) -> None:
print(self.should_erase_line, line, sep='', end='\r')
self.should_erase_line = '\x1b[K'
def request_update(self) -> None:
self.update.set()
def emit_progress(self, harness: 'TestHarness') -> None:
if self.progress_test is None:
self.flush()
return
if len(self.running_tests) == 1:
count = f'{self.started_tests}/{self.test_count}'
else:
count = '{}-{}/{}'.format(self.started_tests - len(self.running_tests) + 1,
self.started_tests, self.test_count)
left = '[{}] {} '.format(count, self.spinner[self.spinner_index])
self.spinner_index = (self.spinner_index + 1) % len(self.spinner)
right = '{spaces} {dur:{durlen}}'.format(
spaces=' ' * TestResult.maxlen(),
dur=int(time.time() - self.progress_test.starttime),
durlen=harness.duration_max_len)
if self.progress_test.timeout:
right += '/{timeout:{durlen}}'.format(
timeout=self.progress_test.timeout,
durlen=harness.duration_max_len)
right += 's'
details = self.progress_test.get_details()
if details:
right += ' ' + details
line = harness.format(self.progress_test, colorize=True,
max_left_width=self.max_left_width,
left=left, right=right)
self.print_progress(line)
def start(self, harness: 'TestHarness') -> None:
async def report_progress() -> None:
loop = asyncio.get_running_loop()
next_update = 0.0
self.request_update()
while not self.stop:
await self.update.wait()
self.update.clear()
# We may get here simply because the progress line has been
# overwritten, so do not always switch. Only do so every
# second, or if the printed test has finished
if loop.time() >= next_update:
self.progress_test = None
next_update = loop.time() + 1
loop.call_at(next_update, self.request_update)
if (self.progress_test and
self.progress_test.res is not TestResult.RUNNING):
self.progress_test = None
if not self.progress_test:
if not self.running_tests:
continue
# Pick a test in round robin order
self.progress_test = self.running_tests.pop(last=False)
self.running_tests.add(self.progress_test)
self.emit_progress(harness)
self.flush()
self.update = asyncio.Event()
self.test_count = harness.test_count
self.cols = max(self.cols, harness.max_left_width + 30)
if self.is_tty and not harness.need_console:
# Account for "[aa-bb/cc] OO " in the progress report
self.max_left_width = 3 * len(str(self.test_count)) + 8
self.progress_task = asyncio.ensure_future(report_progress())
def start_test(self, harness: 'TestHarness', test: 'TestRun') -> None:
if test.verbose and test.cmdline:
self.flush()
print(harness.format(test, mlog.colorize_console(),
max_left_width=self.max_left_width,
right=test.res.get_text(mlog.colorize_console())))
print(test.res.get_command_marker() + test.cmdline)
if test.direct_stdout:
print(self.output_start, flush=True)
elif not test.needs_parsing:
print(flush=True)
self.started_tests += 1
self.running_tests.add(test)
self.running_tests.move_to_end(test, last=False)
self.request_update()
def shorten_log(self, harness: 'TestHarness', result: 'TestRun') -> str:
if not result.verbose and not harness.options.print_errorlogs:
return ''
log = result.get_log(mlog.colorize_console(),
stderr_only=result.needs_parsing)
if result.verbose:
return log
lines = log.splitlines()
if len(lines) < self.max_lines:
return log
else:
return str(mlog.bold(f'Listing only the last {self.max_lines} lines from a long log.\n')) + '\n'.join(lines[-self.max_lines:])
def print_log(self, harness: 'TestHarness', result: 'TestRun') -> None:
if not result.verbose:
cmdline = result.cmdline
if not cmdline:
print(result.res.get_command_marker() + result.stdo)
return
print(result.res.get_command_marker() + cmdline)
log = self.shorten_log(harness, result)
if log:
print(self.output_start)
print_safe(log)
print(self.output_end)
def log_subtest(self, harness: 'TestHarness', test: 'TestRun', s: str, result: TestResult) -> None:
if test.verbose or (harness.options.print_errorlogs and result.is_bad()):
self.flush()
print(harness.format(test, mlog.colorize_console(), max_left_width=self.max_left_width,
prefix=self.sub,
middle=s,
right=result.get_text(mlog.colorize_console())), flush=True)
self.request_update()
def log(self, harness: 'TestHarness', result: 'TestRun') -> None:
self.running_tests.remove(result)
if result.res is TestResult.TIMEOUT and (result.verbose or
harness.options.print_errorlogs):
self.flush()
print(f'{result.name} time out (After {result.timeout} seconds)')
if not harness.options.quiet or not result.res.is_ok():
self.flush()
if result.cmdline and result.direct_stdout:
print(self.output_end)
print(harness.format(result, mlog.colorize_console(), max_left_width=self.max_left_width))
else:
print(harness.format(result, mlog.colorize_console(), max_left_width=self.max_left_width),
flush=True)
if result.verbose or result.res.is_bad():
self.print_log(harness, result)
if result.warnings:
print(flush=True)
for w in result.warnings:
print(w, flush=True)
print(flush=True)
if result.verbose or result.res.is_bad():
print(flush=True)
self.request_update()
async def finish(self, harness: 'TestHarness') -> None:
self.stop = True
self.request_update()
if self.progress_task:
await self.progress_task
if harness.collected_failures and \
(harness.options.print_errorlogs or harness.options.verbose):
print("\nSummary of Failures:\n")
for i, result in enumerate(harness.collected_failures, 1):
print(harness.format(result, mlog.colorize_console()))
print(harness.summary())
class TextLogfileBuilder(TestFileLogger):
def start(self, harness: 'TestHarness') -> None:
self.file.write(f'Log of Meson test suite run on {datetime.datetime.now().isoformat()}\n\n')
inherit_env = env_tuple_to_str(os.environ.items())
self.file.write(f'Inherited environment: {inherit_env}\n\n')
def log(self, harness: 'TestHarness', result: 'TestRun') -> None:
title = f'{result.num}/{harness.test_count}'
self.file.write(dashes(title, '=', 78) + '\n')
self.file.write('test: ' + result.name + '\n')
starttime_str = time.strftime("%H:%M:%S", time.gmtime(result.starttime))
self.file.write('start time: ' + starttime_str + '\n')
self.file.write('duration: ' + '%.2fs' % result.duration + '\n')
self.file.write('result: ' + result.get_exit_status() + '\n')
if result.cmdline:
self.file.write('command: ' + result.cmdline + '\n')
if result.stdo:
name = 'stdout' if harness.options.split else 'output'
self.file.write(dashes(name, '-', 78) + '\n')
self.file.write(result.stdo)
if result.stde:
self.file.write(dashes('stderr', '-', 78) + '\n')
self.file.write(result.stde)
self.file.write(dashes('', '=', 78) + '\n\n')
async def finish(self, harness: 'TestHarness') -> None:
if harness.collected_failures:
self.file.write("\nSummary of Failures:\n\n")
for i, result in enumerate(harness.collected_failures, 1):
self.file.write(harness.format(result, False) + '\n')
self.file.write(harness.summary())
print(f'Full log written to {self.filename}')
class JsonLogfileBuilder(TestFileLogger):
def log(self, harness: 'TestHarness', result: 'TestRun') -> None:
jresult: T.Dict[str, T.Any] = {
'name': result.name,
'stdout': result.stdo,
'result': result.res.value,
'starttime': result.starttime,
'duration': result.duration,
'returncode': result.returncode,
'env': result.env,
'command': result.cmd,
}
if result.stde:
jresult['stderr'] = result.stde
self.file.write(json.dumps(jresult) + '\n')
class JunitBuilder(TestLogger):
"""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: T.Dict[str, et.Element] = {}
def log(self, harness: 'TestHarness', 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, test.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']
for case in suite.findall('.//testcase[@file]'):
del case.attrib['file']
for case in suite.findall('.//testcase[@line]'):
del case.attrib['line']
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 = f'{test.project}.{test.name}'
assert suitename not in self.suites or harness.options.repeat > 1, '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.result in
{TestResult.INTERRUPT, TestResult.ERROR})),
failures=str(sum(1 for r in test.results if r.result in
{TestResult.FAIL, TestResult.UNEXPECTEDPASS, TestResult.TIMEOUT})),
skipped=str(sum(1 for r in test.results if r.result is TestResult.SKIP)),
time=str(test.duration),
)
for subtest in test.results:
# Both name and classname are required. Use the suite name as
# the class name, so that e.g. GitLab groups testcases correctly.
testcase = et.SubElement(suite, 'testcase', name=str(subtest), classname=suitename)
if subtest.result is TestResult.SKIP:
et.SubElement(testcase, 'skipped')
elif subtest.result is TestResult.ERROR:
et.SubElement(testcase, 'error')
elif subtest.result is TestResult.FAIL:
et.SubElement(testcase, 'failure')
elif subtest.result is TestResult.UNEXPECTEDPASS:
fail = et.SubElement(testcase, 'failure')
fail.text = 'Test unexpected passed.'
elif subtest.result is TestResult.INTERRUPT:
fail = et.SubElement(testcase, 'error')
fail.text = 'Test was interrupted by user.'
elif subtest.result is TestResult.TIMEOUT:
fail = et.SubElement(testcase, 'error')
fail.text = 'Test did not finish before configured timeout.'
if subtest.explanation:
et.SubElement(testcase, 'system-out').text = subtest.explanation
if test.stdo:
out = et.SubElement(suite, 'system-out')
out.text = replace_unencodable_xml_chars(test.stdo.rstrip())
if test.stde:
err = et.SubElement(suite, 'system-err')
err.text = replace_unencodable_xml_chars(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', time=str(test.duration))
else:
suite = self.suites[test.project]
suite.attrib['tests'] = str(int(suite.attrib['tests']) + 1)
testcase = et.SubElement(suite, 'testcase', name=test.name,
classname=test.project, time=str(test.duration))
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 = replace_unencodable_xml_chars(test.stdo.rstrip())
if test.stde:
err = et.SubElement(testcase, 'system-err')
err.text = replace_unencodable_xml_chars(test.stde.rstrip())
async def finish(self, harness: 'TestHarness') -> 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:
TEST_NUM = 0
PROTOCOL_TO_CLASS: T.Dict[TestProtocol, T.Type['TestRun']] = {}
def __new__(cls, test: TestSerialisation, *args: T.Any, **kwargs: T.Any) -> T.Any:
return super().__new__(TestRun.PROTOCOL_TO_CLASS[test.protocol])
def __init__(self, test: TestSerialisation, test_env: T.Dict[str, str],
name: str, timeout: T.Optional[int], is_parallel: bool, verbose: bool):
self.res = TestResult.PENDING
self.test = test
self._num: T.Optional[int] = None
self.name = name
self.timeout = timeout
self.results: T.List[TAPParser.Test] = []
self.returncode: T.Optional[int] = None
self.starttime: T.Optional[float] = None
self.duration: T.Optional[float] = None
self.stdo = ''
self.stde = ''
self.additional_error = ''
self.cmd: T.Optional[T.List[str]] = None
self.env = test_env
self.should_fail = test.should_fail
self.project = test.project_name
self.junit: T.Optional[et.ElementTree] = None
self.is_parallel = is_parallel
self.verbose = verbose
self.warnings: T.List[str] = []
def start(self, cmd: T.List[str]) -> None:
self.res = TestResult.RUNNING
self.starttime = time.time()
self.cmd = cmd
@property
def num(self) -> int:
if self._num is None:
TestRun.TEST_NUM += 1
self._num = TestRun.TEST_NUM
return self._num
@property
def direct_stdout(self) -> bool:
return self.verbose and not self.is_parallel and not self.needs_parsing
def get_results(self) -> str:
if self.results:
# running or succeeded
passed = sum(x.result.is_ok() for x in self.results)
ran = sum(x.result is not TestResult.SKIP for x in self.results)
if passed == ran:
return f'{passed} subtests passed'
else:
return f'{passed}/{ran} subtests passed'
return ''
def get_exit_status(self) -> str:
return returncode_to_status(self.returncode)
def get_details(self) -> str:
if self.res is TestResult.PENDING:
return ''
if self.returncode:
return self.get_exit_status()
return self.get_results()
def _complete(self) -> None:
if self.res == TestResult.RUNNING:
self.res = TestResult.OK
assert isinstance(self.res, TestResult)
if self.should_fail and self.res in (TestResult.OK, TestResult.FAIL):
self.res = TestResult.UNEXPECTEDPASS if self.res is TestResult.OK else TestResult.EXPECTEDFAIL
if self.stdo and not self.stdo.endswith('\n'):
self.stdo += '\n'
if self.stde and not self.stde.endswith('\n'):
self.stde += '\n'
self.duration = time.time() - self.starttime
@property
def cmdline(self) -> T.Optional[str]:
if not self.cmd:
return None
test_only_env = set(self.env.items()) - set(os.environ.items())
return env_tuple_to_str(test_only_env) + \
' '.join(sh_quote(x) for x in self.cmd)
def complete_skip(self) -> None:
self.starttime = time.time()
self.returncode = GNU_SKIP_RETURNCODE
self.res = TestResult.SKIP
self._complete()
def complete(self) -> None:
self._complete()
def get_log(self, colorize: bool = False, stderr_only: bool = False) -> str:
stdo = '' if stderr_only else self.stdo
if self.stde or self.additional_error:
res = ''
if stdo:
res += mlog.cyan('stdout:').get_text(colorize) + '\n'
res += stdo
if res[-1:] != '\n':
res += '\n'
res += mlog.cyan('stderr:').get_text(colorize) + '\n'
res += join_lines(self.stde, self.additional_error)
else:
res = stdo
if res and res[-1:] != '\n':
res += '\n'
return res
@property
def needs_parsing(self) -> bool:
return False
async def parse(self, harness: 'TestHarness', lines: T.AsyncIterator[str]) -> None:
async for l in lines:
pass
class TestRunExitCode(TestRun):
def complete(self) -> None:
if self.res != TestResult.RUNNING:
pass
elif self.returncode == GNU_SKIP_RETURNCODE:
self.res = TestResult.SKIP
elif self.returncode == GNU_ERROR_RETURNCODE:
self.res = TestResult.ERROR
else:
self.res = TestResult.FAIL if bool(self.returncode) else TestResult.OK
super().complete()
TestRun.PROTOCOL_TO_CLASS[TestProtocol.EXITCODE] = TestRunExitCode
class TestRunGTest(TestRunExitCode):
def complete(self) -> None:
filename = f'{self.test.name}.xml'
if self.test.workdir:
filename = os.path.join(self.test.workdir, filename)
try:
with open(filename, 'r', encoding='utf8', errors='replace') as f:
self.junit = et.parse(f)
except FileNotFoundError:
# This can happen if the test fails to run or complete for some
# reason, like the rpath for libgtest isn't properly set. ExitCode
# will handle the failure, don't generate a stacktrace.
pass
except et.ParseError as e:
# ExitCode will handle the failure, don't generate a stacktrace.
mlog.error(f'Unable to parse {filename}: {e!s}')
super().complete()
TestRun.PROTOCOL_TO_CLASS[TestProtocol.GTEST] = TestRunGTest
class TestRunTAP(TestRun):
@property
def needs_parsing(self) -> bool:
return True
def complete(self) -> None:
if self.returncode != 0 and not self.res.was_killed():
self.res = TestResult.ERROR
self.stde = self.stde or ''
self.stde += f'\n(test program exited with status code {self.returncode})'
super().complete()
async def parse(self, harness: 'TestHarness', lines: T.AsyncIterator[str]) -> None:
res = None
warnings: T.List[TAPParser.UnknownLine] = []
version = 12
async for i in TAPParser().parse_async(lines):
if isinstance(i, TAPParser.Version):
version = i.version
elif isinstance(i, TAPParser.Bailout):
res = TestResult.ERROR
harness.log_subtest(self, i.message, res)
elif isinstance(i, TAPParser.Test):
self.results.append(i)
if i.result.is_bad():
res = TestResult.FAIL
harness.log_subtest(self, i.name or f'subtest {i.number}', i.result)
elif isinstance(i, TAPParser.UnknownLine):
warnings.append(i)
elif isinstance(i, TAPParser.Error):
self.additional_error += 'TAP parsing error: ' + i.message
res = TestResult.ERROR
if warnings:
unknown = str(mlog.yellow('UNKNOWN'))
width = len(str(max(i.lineno for i in warnings)))
for w in warnings:
self.warnings.append(f'stdout: {w.lineno:{width}}: {unknown}: {w.message}')
if version > 13:
self.warnings.append('Unknown TAP output lines have been ignored. Please open a feature request to\n'
'implement them, or prefix them with a # if they are not TAP syntax.')
else:
self.warnings.append(str(mlog.red('ERROR')) + ': Unknown TAP output lines for a supported TAP version.\n'
'This is probably a bug in the test; if they are not TAP syntax, prefix them with a #')
if all(t.result is TestResult.SKIP for t in self.results):
# This includes the case where self.results is empty
res = TestResult.SKIP
if res and self.res == TestResult.RUNNING:
self.res = res
TestRun.PROTOCOL_TO_CLASS[TestProtocol.TAP] = TestRunTAP
class TestRunRust(TestRun):
@property
def needs_parsing(self) -> bool:
return True
async def parse(self, harness: 'TestHarness', lines: T.AsyncIterator[str]) -> None:
def parse_res(n: int, name: str, result: str) -> TAPParser.Test:
if result == 'ok':
return TAPParser.Test(n, name, TestResult.OK, None)
elif result == 'ignored':
return TAPParser.Test(n, name, TestResult.SKIP, None)
elif result == 'FAILED':
return TAPParser.Test(n, name, TestResult.FAIL, None)
return TAPParser.Test(n, name, TestResult.ERROR,
f'Unsupported output from rust test: {result}')
n = 1
async for line in lines:
if line.startswith('test ') and not line.startswith('test result'):
_, name, _, result = line.rstrip().split(' ')
name = name.replace('::', '.')
t = parse_res(n, name, result)
self.results.append(t)
harness.log_subtest(self, name, t.result)
n += 1
res = None
if all(t.result is TestResult.SKIP for t in self.results):
# This includes the case where self.results is empty
res = TestResult.SKIP
elif any(t.result is TestResult.ERROR for t in self.results):
res = TestResult.ERROR
elif any(t.result is TestResult.FAIL for t in self.results):
res = TestResult.FAIL
if res and self.res == TestResult.RUNNING:
self.res = res
TestRun.PROTOCOL_TO_CLASS[TestProtocol.RUST] = TestRunRust
# Check unencodable characters in xml output and replace them with
# their printable representation
def replace_unencodable_xml_chars(original_str: str) -> str:
# [1:-1] is needed for removing `'` characters from both start and end
# of the string
replacement_lambda = lambda illegal_chr: repr(illegal_chr.group())[1:-1]
return UNENCODABLE_XML_CHRS_RE.sub(replacement_lambda, original_str)
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')
async def read_decode(reader: asyncio.StreamReader,
queue: T.Optional['asyncio.Queue[T.Optional[str]]'],
console_mode: ConsoleUser) -> str:
stdo_lines = []
try:
while not reader.at_eof():
# Prefer splitting by line, as that produces nicer output
try:
line_bytes = await reader.readuntil(b'\n')
except asyncio.IncompleteReadError as e:
line_bytes = e.partial
except asyncio.LimitOverrunError as e:
line_bytes = await reader.readexactly(e.consumed)
if line_bytes:
line = decode(line_bytes).replace('\r\n', '\n')
stdo_lines.append(line)
if console_mode is ConsoleUser.STDOUT:
print(line, end='', flush=True)
if queue:
await queue.put(line)
return ''.join(stdo_lines)
except asyncio.CancelledError:
return ''.join(stdo_lines)
finally:
if queue:
await queue.put(None)
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('<unknown>', coredata_version)
for obj in objs:
if not isinstance(obj, TestSerialisation):
raise MesonVersionMismatchException('<unknown>', coredata_version)
if not hasattr(obj, 'version'):
raise MesonVersionMismatchException('<unknown>', coredata_version)
if major_versions_differ(obj.version, coredata_version):
raise MesonVersionMismatchException(obj.version, coredata_version)
return objs
# Custom waiting primitives for asyncio
async def queue_iter(q: 'asyncio.Queue[T.Optional[str]]') -> T.AsyncIterator[str]:
while True:
item = await q.get()
q.task_done()
if item is None:
break
yield item
async def complete(future: asyncio.Future) -> None:
"""Wait for completion of the given future, ignoring cancellation."""
try:
await future
except asyncio.CancelledError:
pass
async def complete_all(futures: T.Iterable[asyncio.Future],
timeout: T.Optional[T.Union[int, float]] = None) -> None:
"""Wait for completion of all the given futures, ignoring cancellation.
If timeout is not None, raise an asyncio.TimeoutError after the given
time has passed. asyncio.TimeoutError is only raised if some futures
have not completed and none have raised exceptions, even if timeout
is zero."""
def check_futures(futures: T.Iterable[asyncio.Future]) -> None:
# Raise exceptions if needed
left = False
for f in futures:
if not f.done():
left = True
elif not f.cancelled():
f.result()
if left:
raise asyncio.TimeoutError
# Python is silly and does not have a variant of asyncio.wait with an
# absolute time as deadline.
loop = asyncio.get_running_loop()
deadline = None if timeout is None else loop.time() + timeout
while futures and (timeout is None or timeout > 0):
done, futures = await asyncio.wait(futures, timeout=timeout,
return_when=asyncio.FIRST_EXCEPTION)
check_futures(done)
if deadline:
timeout = deadline - loop.time()
check_futures(futures)
class TestSubprocess:
def __init__(self, p: asyncio.subprocess.Process,
stdout: T.Optional[int], stderr: T.Optional[int],
postwait_fn: T.Callable[[], None] = None):
self._process = p
self.stdout = stdout
self.stderr = stderr
self.stdo_task: T.Optional[asyncio.Task[None]] = None
self.stde_task: T.Optional[asyncio.Task[None]] = None
self.postwait_fn = postwait_fn
self.all_futures: T.List[asyncio.Future] = []
self.queue: T.Optional[asyncio.Queue[T.Optional[str]]] = None
def stdout_lines(self) -> T.AsyncIterator[str]:
self.queue = asyncio.Queue()
return queue_iter(self.queue)
def communicate(self,
test: 'TestRun',
console_mode: ConsoleUser) -> T.Tuple[T.Optional[T.Awaitable[str]],
T.Optional[T.Awaitable[str]]]:
async def collect_stdo(test: 'TestRun',
reader: asyncio.StreamReader,
console_mode: ConsoleUser) -> None:
test.stdo = await read_decode(reader, self.queue, console_mode)
async def collect_stde(test: 'TestRun',
reader: asyncio.StreamReader,
console_mode: ConsoleUser) -> None:
test.stde = await read_decode(reader, None, console_mode)
# asyncio.ensure_future ensures that printing can
# run in the background, even before it is awaited
if self.stdo_task is None and self.stdout is not None:
decode_coro = collect_stdo(test, self._process.stdout, console_mode)
self.stdo_task = asyncio.ensure_future(decode_coro)
self.all_futures.append(self.stdo_task)
if self.stderr is not None and self.stderr != asyncio.subprocess.STDOUT:
decode_coro = collect_stde(test, self._process.stderr, console_mode)
self.stde_task = asyncio.ensure_future(decode_coro)
self.all_futures.append(self.stde_task)
return self.stdo_task, self.stde_task
async def _kill(self) -> T.Optional[str]:
# Python does not provide multiplatform support for
# killing a process and all its children so we need
# to roll our own.
p = self._process
try:
if is_windows():
subprocess.run(['taskkill', '/F', '/T', '/PID', str(p.pid)])
else:
# Send a termination signal to the process group that setsid()
# created - giving it a chance to perform any cleanup.
os.killpg(p.pid, signal.SIGTERM)
# Make sure the termination signal actually kills the process
# group, otherwise retry with a SIGKILL.
with suppress(asyncio.TimeoutError):
await asyncio.wait_for(p.wait(), timeout=0.5)
if p.returncode is not None:
return None
os.killpg(p.pid, signal.SIGKILL)
with suppress(asyncio.TimeoutError):
await asyncio.wait_for(p.wait(), timeout=1)
if p.returncode is not None:
return None
# 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()
with suppress(asyncio.TimeoutError):
await asyncio.wait_for(p.wait(), timeout=1)
if p.returncode is not None:
return None
return 'Test process could not be killed.'
except ProcessLookupError:
# Sometimes (e.g. with Wine) this happens. There's nothing
# we can do, probably the process already died so just wait
# for the event loop to pick that up.
await p.wait()
return None
finally:
if self.stdo_task:
self.stdo_task.cancel()
if self.stde_task:
self.stde_task.cancel()
async def wait(self, test: 'TestRun') -> None:
p = self._process
self.all_futures.append(asyncio.ensure_future(p.wait()))
try:
await complete_all(self.all_futures, timeout=test.timeout)
except asyncio.TimeoutError:
test.additional_error += await self._kill() or ''
test.res = TestResult.TIMEOUT
except asyncio.CancelledError:
# The main loop must have seen Ctrl-C.
test.additional_error += await self._kill() or ''
test.res = TestResult.INTERRUPT
finally:
if self.postwait_fn:
self.postwait_fn()
test.returncode = p.returncode or 0
class SingleTestRunner:
def __init__(self, test: TestSerialisation, env: T.Dict[str, str], name: str,
options: argparse.Namespace):
self.test = test
self.options = options
self.cmd = self._get_cmd()
if self.cmd and self.test.extra_paths:
env['PATH'] = os.pathsep.join(self.test.extra_paths + ['']) + env['PATH']
winecmd = []
for c in self.cmd:
winecmd.append(c)
if os.path.basename(c).startswith('wine'):
env['WINEPATH'] = get_wine_shortpath(
winecmd,
['Z:' + p for p in self.test.extra_paths] + env.get('WINEPATH', '').split(';'),
self.test.workdir
)
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 env or not env['MALLOC_PERTURB_']) and not options.benchmark:
env['MALLOC_PERTURB_'] = str(random.randint(1, 255))
# Sanitizers do not default to aborting on error. This is counter to
# expectations when using -Db_sanitize and has led to confusion in the wild
# in CI. Set our own values of {ASAN,UBSAN}_OPTIONS to rectify this, but
# only if the user has not defined them.
if ('ASAN_OPTIONS' not in env or not env['ASAN_OPTIONS']):
env['ASAN_OPTIONS'] = 'halt_on_error=1:abort_on_error=1:print_summary=1'
if ('UBSAN_OPTIONS' not in env or not env['UBSAN_OPTIONS']):
env['UBSAN_OPTIONS'] = 'halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1'
if ('MSAN_OPTIONS' not in env or not env['MSAN_OPTIONS']):
env['MSAN_OPTIONS'] = 'halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1'
if self.options.interactive or self.test.timeout is None or self.test.timeout <= 0:
timeout = None
elif self.options.timeout_multiplier is None:
timeout = self.test.timeout
elif self.options.timeout_multiplier <= 0:
timeout = None
else:
timeout = self.test.timeout * self.options.timeout_multiplier
is_parallel = test.is_parallel and self.options.num_processes > 1 and not self.options.interactive
verbose = (test.verbose or self.options.verbose) and not self.options.quiet
self.runobj = TestRun(test, env, name, timeout, is_parallel, verbose)
if self.options.interactive:
self.console_mode = ConsoleUser.INTERACTIVE
elif self.runobj.direct_stdout:
self.console_mode = ConsoleUser.STDOUT
else:
self.console_mode = ConsoleUser.LOGGER
def _get_test_cmd(self) -> T.Optional[T.List[str]]:
testentry = self.test.fname[0]
if self.options.no_rebuild and self.test.cmd_is_built and not os.path.isfile(testentry):
raise TestException(f'The test program {testentry!r} does not exist. Cannot run tests before building them.')
if testentry.endswith('.jar'):
return ['java', '-jar'] + self.test.fname
elif not self.test.is_cross_built and run_with_mono(testentry):
return ['mono'] + self.test.fname
elif self.test.cmd_is_exe and self.test.is_cross_built and self.test.needs_exe_wrapper:
if self.test.exe_wrapper is None:
# Can not run test on cross compiled executable
# because there is no execute wrapper.
return None
elif self.test.cmd_is_exe:
# 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_wrapper.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_wrapper.name))
return self.test.exe_wrapper.get_command() + self.test.fname
elif self.test.cmd_is_built and not self.test.cmd_is_exe and is_windows():
test_cmd = ExternalProgram._shebang_to_cmd(self.test.fname[0])
if test_cmd is not None:
test_cmd += self.test.fname[1:]
return test_cmd
return self.test.fname
def _get_cmd(self) -> T.Optional[T.List[str]]:
test_cmd = self._get_test_cmd()
if not test_cmd:
return None
return TestHarness.get_wrapper(self.options) + test_cmd
@property
def is_parallel(self) -> bool:
return self.runobj.is_parallel
@property
def visible_name(self) -> str:
return self.runobj.name
@property
def timeout(self) -> T.Optional[int]:
return self.runobj.timeout
async def run(self, harness: 'TestHarness') -> TestRun:
if self.cmd is None:
self.stdo = 'Not run because cannot execute cross compiled binaries.'
harness.log_start_test(self.runobj)
self.runobj.complete_skip()
else:
cmd = self.cmd + self.test.cmd_args + self.options.test_args
self.runobj.start(cmd)
harness.log_start_test(self.runobj)
await self._run_cmd(harness, cmd)
return self.runobj
async def _run_subprocess(self, args: T.List[str], *, stdin: T.Optional[int],
stdout: T.Optional[int], stderr: T.Optional[int],
env: T.Dict[str, str], cwd: T.Optional[str]) -> TestSubprocess:
# Let gdb handle ^C instead of us
if self.options.interactive:
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.interactive:
# 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()
def postwait_fn() -> None:
if self.options.interactive:
# Let us accept ^C again
signal.signal(signal.SIGINT, previous_sigint_handler)
p = await asyncio.create_subprocess_exec(*args,
stdin=stdin,
stdout=stdout,
stderr=stderr,
env=env,
cwd=cwd,
preexec_fn=preexec_fn if not is_windows() else None)
return TestSubprocess(p, stdout=stdout, stderr=stderr,
postwait_fn=postwait_fn if not is_windows() else None)
async def _run_cmd(self, harness: 'TestHarness', cmd: T.List[str]) -> None:
if self.console_mode is ConsoleUser.INTERACTIVE:
stdin = None
stdout = None
stderr = None
else:
stdin = asyncio.subprocess.DEVNULL
stdout = asyncio.subprocess.PIPE
stderr = asyncio.subprocess.STDOUT \
if not self.options.split and not self.runobj.needs_parsing \
else asyncio.subprocess.PIPE
extra_cmd: 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(f'--gtest_output=xml:{gtestname}.xml')
p = await self._run_subprocess(cmd + extra_cmd,
stdin=stdin,
stdout=stdout,
stderr=stderr,
env=self.runobj.env,
cwd=self.test.workdir)
if self.runobj.needs_parsing:
parse_coro = self.runobj.parse(harness, p.stdout_lines())
parse_task = asyncio.ensure_future(parse_coro)
else:
parse_task = None
stdo_task, stde_task = p.communicate(self.runobj, self.console_mode)
await p.wait(self.runobj)
if parse_task:
await parse_task
if stdo_task:
await stdo_task
if stde_task:
await stde_task
self.runobj.complete()
class TestHarness:
def __init__(self, options: argparse.Namespace):
self.options = options
self.collected_failures: T.List[TestRun] = []
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.test_count = 0
self.name_max_len = 0
self.is_run = False
self.loggers: T.List[TestLogger] = []
self.console_logger = ConsoleLogger(options.max_lines)
self.loggers.append(self.console_logger)
self.need_console = False
self.ninja: T.List[str] = None
self.logfile_base: T.Optional[str] = None
if self.options.logbase and not self.options.interactive:
namebase = None
self.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:
self.logfile_base += '-' + namebase.replace(' ', '_')
self.prepare_build()
self.load_metadata()
ss = set()
for t in self.tests:
for s in t.suite:
ss.add(s)
self.suites = list(ss)
def get_console_logger(self) -> 'ConsoleLogger':
assert self.console_logger
return self.console_logger
def prepare_build(self) -> None:
if self.options.no_rebuild:
return
self.ninja = environment.detect_ninja()
if not self.ninja:
print("Can't find ninja, can't rebuild test.")
# If ninja can't be found return exit code 127, indicating command
# not found for shell, which seems appropriate here. This works
# nicely for `git bisect run`, telling it to abort - no point in
# continuing if there's no ninja.
sys.exit(127)
def load_metadata(self) -> None:
startdir = os.getcwd()
try:
os.chdir(self.options.wd)
# Before loading build / test data, make sure that the build
# configuration does not need to be regenerated. This needs to
# happen before rebuild_deps(), because we need the correct list of
# tests and their dependencies to compute
if not self.options.no_rebuild:
teststdo = subprocess.run(self.ninja + ['-n', 'build.ninja'], capture_output=True).stdout
if b'ninja: no work to do.' not in teststdo and b'samu: nothing to do' not in teststdo:
stdo = sys.stderr if self.options.list else sys.stdout
ret = subprocess.run(self.ninja + ['build.ninja'], stdout=stdo.fileno())
if ret.returncode != 0:
raise TestException(f'Could not configure {self.options.wd!r}')
self.build_data = build.load(os.getcwd())
if not self.options.setup:
self.options.setup = self.build_data.test_setup_default_name
if self.options.benchmark:
self.tests = self.load_tests('meson_benchmark_setup.dat')
else:
self.tests = self.load_tests('meson_test_setup.dat')
finally:
os.chdir(startdir)
def load_tests(self, file_name: str) -> T.List[TestSerialisation]:
datafile = Path('meson-private') / file_name
if not datafile.is_file():
raise TestException(f'Directory {self.options.wd!r} does not seem to be a Meson build directory.')
with datafile.open('rb') as f:
objs = check_testdata(pickle.load(f))
return objs
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 l in self.loggers:
l.close()
self.console_logger = None
def get_test_setup(self, test: T.Optional[TestSerialisation]) -> build.TestSetup:
if ':' in self.options.setup:
if self.options.setup not in self.build_data.test_setups:
sys.exit(f"Unknown test setup '{self.options.setup}'.")
return self.build_data.test_setups[self.options.setup]
else:
full_name = test.project_name + ":" + self.options.setup
if full_name not in self.build_data.test_setups:
sys.exit(f"Test setup '{self.options.setup}' not found from project '{test.project_name}'.")
return self.build_data.test_setups[full_name]
def merge_setup_options(self, options: argparse.Namespace, test: TestSerialisation) -> T.Dict[str, str]:
current = self.get_test_setup(test)
if not options.gdb:
options.gdb = current.gdb
if options.gdb:
options.interactive = True
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 None:
options.wrapper = current.exe_wrapper
elif current.exe_wrapper:
sys.exit('Conflict: both test setup and command line specify an exe wrapper.')
return current.env.get_env(os.environ.copy())
def get_test_runner(self, test: TestSerialisation, iteration: int) -> SingleTestRunner:
name = self.get_pretty_suite(test)
options = deepcopy(self.options)
if self.options.setup:
env = self.merge_setup_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_wrapper and test.exe_wrapper.found()):
env['MESON_EXE_WRAPPER'] = join_args(test.exe_wrapper.get_command())
env['MESON_TEST_ITERATION'] = str(iteration + 1)
return SingleTestRunner(test, env, name, 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 in {TestResult.FAIL, TestResult.ERROR, TestResult.INTERRUPT}:
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(f'Unknown test result encountered: {result.res}')
if result.res.is_bad():
self.collected_failures.append(result)
for l in self.loggers:
l.log(self, result)
@property
def numlen(self) -> int:
return len(str(self.test_count))
@property
def max_left_width(self) -> int:
return 2 * self.numlen + 2
def get_test_num_prefix(self, num: int) -> str:
return '{num:{numlen}}/{testcount} '.format(numlen=self.numlen,
num=num,
testcount=self.test_count)
def format(self, result: TestRun, colorize: bool,
max_left_width: int = 0,
prefix: str = '',
left: T.Optional[str] = None,
middle: T.Optional[str] = None,
right: T.Optional[str] = None) -> str:
if left is None:
left = self.get_test_num_prefix(result.num)
# A non-default max_left_width lets the logger print more stuff before the
# name, while ensuring that the rightmost columns remain aligned.
max_left_width = max(max_left_width, self.max_left_width)
if middle is None:
middle = result.name
extra_mid_width = max_left_width + self.name_max_len + 1 - uniwidth(middle) - uniwidth(left) - uniwidth(prefix)
middle += ' ' * max(1, extra_mid_width)
if right is None:
right = '{res} {dur:{durlen}.2f}s'.format(
res=result.res.get_text(colorize),
dur=result.duration,
durlen=self.duration_max_len + 3)
details = result.get_details()
if details:
right += ' ' + details
return prefix + left + middle + right
def summary(self) -> str:
return 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)
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
if not self.options.no_rebuild and not rebuild_deps(self.ninja, self.options.wd, tests):
# 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.
sys.exit(125)
self.name_max_len = max(uniwidth(self.get_pretty_suite(test)) for test in tests)
self.options.num_processes = min(self.options.num_processes,
len(tests) * self.options.repeat)
startdir = os.getcwd()
try:
os.chdir(self.options.wd)
runners: T.List[SingleTestRunner] = []
for i in range(self.options.repeat):
runners.extend(self.get_test_runner(test, i) for test in tests)
if i == 0:
self.duration_max_len = max(len(str(int(runner.timeout or 99)))
for runner in runners)
# Disable the progress report if it gets in the way
self.need_console = any(runner.console_mode is not ConsoleUser.LOGGER
for runner in runners)
self.test_count = len(runners)
self.run_tests(runners)
finally:
os.chdir(startdir)
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:
if TestHarness.test_in_suites(test, self.options.exclude_suites):
return False
if self.options.include_suites:
# Both force inclusion (overriding add_test_setup) and exclude
# everything else
return TestHarness.test_in_suites(test, self.options.include_suites)
if self.options.setup:
setup = self.get_test_setup(test)
if TestHarness.test_in_suites(test, setup.exclude_suites):
return False
return True
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"
'''
patterns: T.Dict[T.Tuple[str, str], bool] = {}
for arg in self.options.args:
# Replace empty components by wildcards:
# '' -> '*:*'
# 'name' -> '*:name'
# ':name' -> '*:name'
# 'proj:' -> 'proj:*'
if ':' in arg:
subproj, name = arg.split(':', maxsplit=1)
if name == '':
name = '*'
if subproj == '': # in case arg was ':'
subproj = '*'
else:
subproj, name = '*', arg
patterns[(subproj, name)] = False
for t in tests:
# For each test, find the first matching pattern
# and mark it as used. yield the matching tests.
for subproj, name in list(patterns):
if fnmatch(t.project_name, subproj) and fnmatch(t.name, name):
patterns[(subproj, name)] = True
yield t
break
for (subproj, name), was_used in patterns.items():
if not was_used:
# For each unused pattern...
arg = f'{subproj}:{name}'
for t in tests:
# ... if it matches a test, then it wasn't used because another
# pattern matched the same test before.
# Report it as a warning.
if fnmatch(t.project_name, subproj) and fnmatch(t.name, name):
mlog.warning(f'{arg} test name is redundant and was not used')
break
else:
# If the pattern doesn't match any test,
# report it as an error. We don't want the `test` command to
# succeed on an invalid pattern.
raise MesonException(f'{arg} test name does not match any test')
def get_tests(self, errorfile: T.Optional[T.IO] = None) -> T.List[TestSerialisation]:
if not self.tests:
print('No tests defined.', file=errorfile)
return []
tests = [t for t in self.tests if self.test_suitable(t)]
if self.options.args:
tests = list(self.tests_from_args(tests))
if not tests:
print('No suitable tests defined.', file=errorfile)
return []
return tests
def flush_logfiles(self) -> None:
for l in self.loggers:
l.flush()
def open_logfiles(self) -> None:
if not self.logfile_base:
return
self.loggers.append(JunitBuilder(self.logfile_base + '.junit.xml'))
self.loggers.append(JsonLogfileBuilder(self.logfile_base + '.json'))
self.loggers.append(TextLogfileBuilder(self.logfile_base + '.txt', errors='surrogateescape'))
@staticmethod
def get_wrapper(options: argparse.Namespace) -> T.List[str]:
wrap: T.List[str] = []
if options.gdb:
wrap = [options.gdb_path, '--quiet']
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, runners: T.List[SingleTestRunner]) -> None:
try:
self.open_logfiles()
# TODO: this is the default for python 3.8
if sys.platform == 'win32':
asyncio.set_event_loop_policy(asyncio.WindowsProactorEventLoopPolicy())
asyncio.run(self._run_tests(runners))
finally:
self.close_logfiles()
def log_subtest(self, test: TestRun, s: str, res: TestResult) -> None:
for l in self.loggers:
l.log_subtest(self, test, s, res)
def log_start_test(self, test: TestRun) -> None:
for l in self.loggers:
l.start_test(self, test)
async def _run_tests(self, runners: T.List[SingleTestRunner]) -> None:
semaphore = asyncio.Semaphore(self.options.num_processes)
futures: T.Deque[asyncio.Future] = deque()
running_tests: T.Dict[asyncio.Future, str] = {}
interrupted = False
ctrlc_times: T.Deque[float] = deque(maxlen=MAX_CTRLC)
loop = asyncio.get_running_loop()
async def run_test(test: SingleTestRunner) -> None:
async with semaphore:
if interrupted or (self.options.repeat > 1 and self.fail_count):
return
res = await test.run(self)
self.process_test_result(res)
maxfail = self.options.maxfail
if maxfail and self.fail_count >= maxfail and res.res.is_bad():
cancel_all_tests()
def test_done(f: asyncio.Future) -> None:
if not f.cancelled():
f.result()
futures.remove(f)
try:
del running_tests[f]
except KeyError:
pass
def cancel_one_test(warn: bool) -> None:
future = futures.popleft()
futures.append(future)
if warn:
self.flush_logfiles()
mlog.warning('CTRL-C detected, interrupting {}'.format(running_tests[future]))
del running_tests[future]
future.cancel()
def cancel_all_tests() -> None:
nonlocal interrupted
interrupted = True
while running_tests:
cancel_one_test(False)
def sigterm_handler() -> None:
if interrupted:
return
self.flush_logfiles()
mlog.warning('Received SIGTERM, exiting')
cancel_all_tests()
def sigint_handler() -> None:
# We always pick the longest-running future that has not been cancelled
# If all the tests have been CTRL-C'ed, just stop
nonlocal interrupted
if interrupted:
return
ctrlc_times.append(loop.time())
if len(ctrlc_times) == MAX_CTRLC and ctrlc_times[-1] - ctrlc_times[0] < 1:
self.flush_logfiles()
mlog.warning('CTRL-C detected, exiting')
cancel_all_tests()
elif running_tests:
cancel_one_test(True)
else:
self.flush_logfiles()
mlog.warning('CTRL-C detected, exiting')
interrupted = True
for l in self.loggers:
l.start(self)
if sys.platform != 'win32':
if os.getpgid(0) == os.getpid():
loop.add_signal_handler(signal.SIGINT, sigint_handler)
else:
loop.add_signal_handler(signal.SIGINT, sigterm_handler)
loop.add_signal_handler(signal.SIGTERM, sigterm_handler)
try:
for runner in runners:
if not runner.is_parallel:
await complete_all(futures)
future = asyncio.ensure_future(run_test(runner))
futures.append(future)
running_tests[future] = runner.visible_name
future.add_done_callback(test_done)
if not runner.is_parallel:
await complete(future)
if self.options.repeat > 1 and self.fail_count:
break
await complete_all(futures)
finally:
if sys.platform != 'win32':
loop.remove_signal_handler(signal.SIGINT)
loop.remove_signal_handler(signal.SIGTERM)
for l in self.loggers:
await l.finish(self)
def list_tests(th: TestHarness) -> bool:
tests = th.get_tests(errorfile=sys.stderr)
for t in tests:
print(th.get_pretty_suite(t))
return not tests
def rebuild_deps(ninja: T.List[str], wd: str, tests: T.List[TestSerialisation]) -> bool:
def convert_path_to_target(path: str) -> str:
path = os.path.relpath(path, wd)
if os.sep != '/':
path = path.replace(os.sep, '/')
return path
assert len(ninja) > 0
depends: T.Set[str] = set()
targets: T.Set[str] = set()
intro_targets: T.Dict[str, T.List[str]] = {}
for target in load_info_file(get_infodir(wd), kind='targets'):
intro_targets[target['id']] = [
convert_path_to_target(f)
for f in target['filename']]
for t in tests:
for d in t.depends:
if d in depends:
continue
depends.update(d)
targets.update(intro_targets[d])
ret = subprocess.run(ninja + ['-C', wd] + sorted(targets)).returncode
if ret != 0:
print(f'Could not rebuild {wd}')
return False
return True
def run(options: argparse.Namespace) -> int:
if options.benchmark or options.interactive:
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.interactive = True
if options.wrapper:
print('Must not specify both a wrapper and gdb at the same time.')
return 1
check_bin = 'gdb'
if options.interactive:
options.verbose = True
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(f'Could not find requested program: {check_bin!r}')
return 1
b = build.load(options.wd)
need_vsenv = T.cast('bool', b.environment.coredata.get_option(OptionKey('vsenv')))
setup_vsenv(need_vsenv)
if not options.no_rebuild:
backend = b.environment.coredata.get_option(OptionKey('backend'))
if backend == 'none':
# nothing to build...
options.no_rebuild = True
elif backend != 'ninja':
print('Only ninja backend is supported to rebuild tests before running them.')
# Disable, no point in trying to build anything later
options.no_rebuild = True
with TestHarness(options) as th:
try:
if options.list:
return list_tests(th)
return th.doit()
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)