Mercurial > hg
view tests/run-tests.py @ 32513:25b37900d6e0
cffi: remove superfluous "if True" blocks
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Tue, 02 May 2017 21:45:10 +0900 |
| parents | 7b7f55d56076 |
| children | c59451e11cbf |
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#!/usr/bin/env python # # run-tests.py - Run a set of tests on Mercurial # # Copyright 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. # Modifying this script is tricky because it has many modes: # - serial (default) vs parallel (-jN, N > 1) # - no coverage (default) vs coverage (-c, -C, -s) # - temp install (default) vs specific hg script (--with-hg, --local) # - tests are a mix of shell scripts and Python scripts # # If you change this script, it is recommended that you ensure you # haven't broken it by running it in various modes with a representative # sample of test scripts. For example: # # 1) serial, no coverage, temp install: # ./run-tests.py test-s* # 2) serial, no coverage, local hg: # ./run-tests.py --local test-s* # 3) serial, coverage, temp install: # ./run-tests.py -c test-s* # 4) serial, coverage, local hg: # ./run-tests.py -c --local test-s* # unsupported # 5) parallel, no coverage, temp install: # ./run-tests.py -j2 test-s* # 6) parallel, no coverage, local hg: # ./run-tests.py -j2 --local test-s* # 7) parallel, coverage, temp install: # ./run-tests.py -j2 -c test-s* # currently broken # 8) parallel, coverage, local install: # ./run-tests.py -j2 -c --local test-s* # unsupported (and broken) # 9) parallel, custom tmp dir: # ./run-tests.py -j2 --tmpdir /tmp/myhgtests # 10) parallel, pure, tests that call run-tests: # ./run-tests.py --pure `grep -l run-tests.py *.t` # # (You could use any subset of the tests: test-s* happens to match # enough that it's worth doing parallel runs, few enough that it # completes fairly quickly, includes both shell and Python scripts, and # includes some scripts that run daemon processes.) from __future__ import absolute_import, print_function import difflib import distutils.version as version import errno import json import optparse import os import random import re import shutil import signal import socket import subprocess import sys import sysconfig import tempfile import threading import time import unittest import xml.dom.minidom as minidom try: import Queue as queue except ImportError: import queue if os.environ.get('RTUNICODEPEDANTRY', False): try: reload(sys) sys.setdefaultencoding("undefined") except NameError: pass osenvironb = getattr(os, 'environb', os.environ) processlock = threading.Lock() if sys.version_info > (3, 5, 0): PYTHON3 = True xrange = range # we use xrange in one place, and we'd rather not use range def _bytespath(p): return p.encode('utf-8') def _strpath(p): return p.decode('utf-8') elif sys.version_info >= (3, 0, 0): print('%s is only supported on Python 3.5+ and 2.7, not %s' % (sys.argv[0], '.'.join(str(v) for v in sys.version_info[:3]))) sys.exit(70) # EX_SOFTWARE from `man 3 sysexit` else: PYTHON3 = False # In python 2.x, path operations are generally done using # bytestrings by default, so we don't have to do any extra # fiddling there. We define the wrapper functions anyway just to # help keep code consistent between platforms. def _bytespath(p): return p _strpath = _bytespath # For Windows support wifexited = getattr(os, "WIFEXITED", lambda x: False) # Whether to use IPv6 def checksocketfamily(name, port=20058): """return true if we can listen on localhost using family=name name should be either 'AF_INET', or 'AF_INET6'. port being used is okay - EADDRINUSE is considered as successful. """ family = getattr(socket, name, None) if family is None: return False try: s = socket.socket(family, socket.SOCK_STREAM) s.bind(('localhost', port)) s.close() return True except socket.error as exc: if exc.errno == errno.EADDRINUSE: return True elif exc.errno in (errno.EADDRNOTAVAIL, errno.EPROTONOSUPPORT): return False else: raise else: return False # useipv6 will be set by parseargs useipv6 = None def checkportisavailable(port): """return true if a port seems free to bind on localhost""" if useipv6: family = socket.AF_INET6 else: family = socket.AF_INET try: s = socket.socket(family, socket.SOCK_STREAM) s.bind(('localhost', port)) s.close() return True except socket.error as exc: if exc.errno not in (errno.EADDRINUSE, errno.EADDRNOTAVAIL, errno.EPROTONOSUPPORT): raise return False closefds = os.name == 'posix' def Popen4(cmd, wd, timeout, env=None): processlock.acquire() p = subprocess.Popen(cmd, shell=True, bufsize=-1, cwd=wd, env=env, close_fds=closefds, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) processlock.release() p.fromchild = p.stdout p.tochild = p.stdin p.childerr = p.stderr p.timeout = False if timeout: def t(): start = time.time() while time.time() - start < timeout and p.returncode is None: time.sleep(.1) p.timeout = True if p.returncode is None: terminate(p) threading.Thread(target=t).start() return p PYTHON = _bytespath(sys.executable.replace('\\', '/')) IMPL_PATH = b'PYTHONPATH' if 'java' in sys.platform: IMPL_PATH = b'JYTHONPATH' defaults = { 'jobs': ('HGTEST_JOBS', 1), 'timeout': ('HGTEST_TIMEOUT', 180), 'slowtimeout': ('HGTEST_SLOWTIMEOUT', 500), 'port': ('HGTEST_PORT', 20059), 'shell': ('HGTEST_SHELL', 'sh'), } def canonpath(path): return os.path.realpath(os.path.expanduser(path)) def parselistfiles(files, listtype, warn=True): entries = dict() for filename in files: try: path = os.path.expanduser(os.path.expandvars(filename)) f = open(path, "rb") except IOError as err: if err.errno != errno.ENOENT: raise if warn: print("warning: no such %s file: %s" % (listtype, filename)) continue for line in f.readlines(): line = line.split(b'#', 1)[0].strip() if line: entries[line] = filename f.close() return entries def parsettestcases(path): """read a .t test file, return a set of test case names If path does not exist, return an empty set. """ cases = set() try: with open(path, 'rb') as f: for l in f: if l.startswith(b'#testcases '): cases.update(l[11:].split()) except IOError as ex: if ex.errno != errno.ENOENT: raise return cases def getparser(): """Obtain the OptionParser used by the CLI.""" parser = optparse.OptionParser("%prog [options] [tests]") # keep these sorted parser.add_option("--blacklist", action="append", help="skip tests listed in the specified blacklist file") parser.add_option("--whitelist", action="append", help="always run tests listed in the specified whitelist file") parser.add_option("--changed", type="string", help="run tests that are changed in parent rev or working directory") parser.add_option("-C", "--annotate", action="store_true", help="output files annotated with coverage") parser.add_option("-c", "--cover", action="store_true", help="print a test coverage report") parser.add_option("-d", "--debug", action="store_true", help="debug mode: write output of test scripts to console" " rather than capturing and diffing it (disables timeout)") parser.add_option("-f", "--first", action="store_true", help="exit on the first test failure") parser.add_option("-H", "--htmlcov", action="store_true", help="create an HTML report of the coverage of the files") parser.add_option("-i", "--interactive", action="store_true", help="prompt to accept changed output") parser.add_option("-j", "--jobs", type="int", help="number of jobs to run in parallel" " (default: $%s or %d)" % defaults['jobs']) parser.add_option("--keep-tmpdir", action="store_true", help="keep temporary directory after running tests") parser.add_option("-k", "--keywords", help="run tests matching keywords") parser.add_option("-l", "--local", action="store_true", help="shortcut for --with-hg=<testdir>/../hg, " "and --with-chg=<testdir>/../contrib/chg/chg if --chg is set") parser.add_option("--loop", action="store_true", help="loop tests repeatedly") parser.add_option("--runs-per-test", type="int", dest="runs_per_test", help="run each test N times (default=1)", default=1) parser.add_option("-n", "--nodiff", action="store_true", help="skip showing test changes") parser.add_option("-p", "--port", type="int", help="port on which servers should listen" " (default: $%s or %d)" % defaults['port']) parser.add_option("--compiler", type="string", help="compiler to build with") parser.add_option("--pure", action="store_true", help="use pure Python code instead of C extensions") parser.add_option("-R", "--restart", action="store_true", help="restart at last error") parser.add_option("-r", "--retest", action="store_true", help="retest failed tests") parser.add_option("-S", "--noskips", action="store_true", help="don't report skip tests verbosely") parser.add_option("--shell", type="string", help="shell to use (default: $%s or %s)" % defaults['shell']) parser.add_option("-t", "--timeout", type="int", help="kill errant tests after TIMEOUT seconds" " (default: $%s or %d)" % defaults['timeout']) parser.add_option("--slowtimeout", type="int", help="kill errant slow tests after SLOWTIMEOUT seconds" " (default: $%s or %d)" % defaults['slowtimeout']) parser.add_option("--time", action="store_true", help="time how long each test takes") parser.add_option("--json", action="store_true", help="store test result data in 'report.json' file") parser.add_option("--tmpdir", type="string", help="run tests in the given temporary directory" " (implies --keep-tmpdir)") parser.add_option("-v", "--verbose", action="store_true", help="output verbose messages") parser.add_option("--xunit", type="string", help="record xunit results at specified path") parser.add_option("--view", type="string", help="external diff viewer") parser.add_option("--with-hg", type="string", metavar="HG", help="test using specified hg script rather than a " "temporary installation") parser.add_option("--chg", action="store_true", help="install and use chg wrapper in place of hg") parser.add_option("--with-chg", metavar="CHG", help="use specified chg wrapper in place of hg") parser.add_option("--ipv6", action="store_true", help="prefer IPv6 to IPv4 for network related tests") parser.add_option("-3", "--py3k-warnings", action="store_true", help="enable Py3k warnings on Python 2.7+") # This option should be deleted once test-check-py3-compat.t and other # Python 3 tests run with Python 3. parser.add_option("--with-python3", metavar="PYTHON3", help="Python 3 interpreter (if running under Python 2)" " (TEMPORARY)") parser.add_option('--extra-config-opt', action="append", help='set the given config opt in the test hgrc') parser.add_option('--random', action="store_true", help='run tests in random order') parser.add_option('--profile-runner', action='store_true', help='run statprof on run-tests') parser.add_option('--allow-slow-tests', action='store_true', help='allow extremely slow tests') parser.add_option('--showchannels', action='store_true', help='show scheduling channels') parser.add_option('--known-good-rev', type="string", metavar="known_good_rev", help=("Automatically bisect any failures using this " "revision as a known-good revision.")) for option, (envvar, default) in defaults.items(): defaults[option] = type(default)(os.environ.get(envvar, default)) parser.set_defaults(**defaults) return parser def parseargs(args, parser): """Parse arguments with our OptionParser and validate results.""" (options, args) = parser.parse_args(args) # jython is always pure if 'java' in sys.platform or '__pypy__' in sys.modules: options.pure = True if options.with_hg: options.with_hg = canonpath(_bytespath(options.with_hg)) if not (os.path.isfile(options.with_hg) and os.access(options.with_hg, os.X_OK)): parser.error('--with-hg must specify an executable hg script') if os.path.basename(options.with_hg) not in [b'hg', b'hg.exe']: sys.stderr.write('warning: --with-hg should specify an hg script\n') if options.local: testdir = os.path.dirname(_bytespath(canonpath(sys.argv[0]))) reporootdir = os.path.dirname(testdir) pathandattrs = [(b'hg', 'with_hg')] if options.chg: pathandattrs.append((b'contrib/chg/chg', 'with_chg')) for relpath, attr in pathandattrs: binpath = os.path.join(reporootdir, relpath) if os.name != 'nt' and not os.access(binpath, os.X_OK): parser.error('--local specified, but %r not found or ' 'not executable' % binpath) setattr(options, attr, binpath) if (options.chg or options.with_chg) and os.name == 'nt': parser.error('chg does not work on %s' % os.name) if options.with_chg: options.chg = False # no installation to temporary location options.with_chg = canonpath(_bytespath(options.with_chg)) if not (os.path.isfile(options.with_chg) and os.access(options.with_chg, os.X_OK)): parser.error('--with-chg must specify a chg executable') if options.chg and options.with_hg: # chg shares installation location with hg parser.error('--chg does not work when --with-hg is specified ' '(use --with-chg instead)') global useipv6 if options.ipv6: useipv6 = checksocketfamily('AF_INET6') else: # only use IPv6 if IPv4 is unavailable and IPv6 is available useipv6 = ((not checksocketfamily('AF_INET')) and checksocketfamily('AF_INET6')) options.anycoverage = options.cover or options.annotate or options.htmlcov if options.anycoverage: try: import coverage covver = version.StrictVersion(coverage.__version__).version if covver < (3, 3): parser.error('coverage options require coverage 3.3 or later') except ImportError: parser.error('coverage options now require the coverage package') if options.anycoverage and options.local: # this needs some path mangling somewhere, I guess parser.error("sorry, coverage options do not work when --local " "is specified") if options.anycoverage and options.with_hg: parser.error("sorry, coverage options do not work when --with-hg " "is specified") global verbose if options.verbose: verbose = '' if options.tmpdir: options.tmpdir = canonpath(options.tmpdir) if options.jobs < 1: parser.error('--jobs must be positive') if options.interactive and options.debug: parser.error("-i/--interactive and -d/--debug are incompatible") if options.debug: if options.timeout != defaults['timeout']: sys.stderr.write( 'warning: --timeout option ignored with --debug\n') if options.slowtimeout != defaults['slowtimeout']: sys.stderr.write( 'warning: --slowtimeout option ignored with --debug\n') options.timeout = 0 options.slowtimeout = 0 if options.py3k_warnings: if PYTHON3: parser.error( '--py3k-warnings can only be used on Python 2.7') if options.with_python3: if PYTHON3: parser.error('--with-python3 cannot be used when executing with ' 'Python 3') options.with_python3 = canonpath(options.with_python3) # Verify Python3 executable is acceptable. proc = subprocess.Popen([options.with_python3, b'--version'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) out, _err = proc.communicate() ret = proc.wait() if ret != 0: parser.error('could not determine version of python 3') if not out.startswith('Python '): parser.error('unexpected output from python3 --version: %s' % out) vers = version.LooseVersion(out[len('Python '):]) if vers < version.LooseVersion('3.5.0'): parser.error('--with-python3 version must be 3.5.0 or greater; ' 'got %s' % out) if options.blacklist: options.blacklist = parselistfiles(options.blacklist, 'blacklist') if options.whitelist: options.whitelisted = parselistfiles(options.whitelist, 'whitelist') else: options.whitelisted = {} if options.showchannels: options.nodiff = True return (options, args) def rename(src, dst): """Like os.rename(), trade atomicity and opened files friendliness for existing destination support. """ shutil.copy(src, dst) os.remove(src) _unified_diff = difflib.unified_diff if PYTHON3: import functools _unified_diff = functools.partial(difflib.diff_bytes, difflib.unified_diff) def getdiff(expected, output, ref, err): servefail = False lines = [] for line in _unified_diff(expected, output, ref, err): if line.startswith(b'+++') or line.startswith(b'---'): line = line.replace(b'\\', b'/') if line.endswith(b' \n'): line = line[:-2] + b'\n' lines.append(line) if not servefail and line.startswith( b'+ abort: child process failed to start'): servefail = True return servefail, lines verbose = False def vlog(*msg): """Log only when in verbose mode.""" if verbose is False: return return log(*msg) # Bytes that break XML even in a CDATA block: control characters 0-31 # sans \t, \n and \r CDATA_EVIL = re.compile(br"[\000-\010\013\014\016-\037]") # Match feature conditionalized output lines in the form, capturing the feature # list in group 2, and the preceeding line output in group 1: # # output..output (feature !)\n optline = re.compile(b'(.+) \((.+?) !\)\n$') def cdatasafe(data): """Make a string safe to include in a CDATA block. Certain control characters are illegal in a CDATA block, and there's no way to include a ]]> in a CDATA either. This function replaces illegal bytes with ? and adds a space between the ]] so that it won't break the CDATA block. """ return CDATA_EVIL.sub(b'?', data).replace(b']]>', b'] ]>') def log(*msg): """Log something to stdout. Arguments are strings to print. """ with iolock: if verbose: print(verbose, end=' ') for m in msg: print(m, end=' ') print() sys.stdout.flush() def terminate(proc): """Terminate subprocess""" vlog('# Terminating process %d' % proc.pid) try: proc.terminate() except OSError: pass def killdaemons(pidfile): import killdaemons as killmod return killmod.killdaemons(pidfile, tryhard=False, remove=True, logfn=vlog) class Test(unittest.TestCase): """Encapsulates a single, runnable test. While this class conforms to the unittest.TestCase API, it differs in that instances need to be instantiated manually. (Typically, unittest.TestCase classes are instantiated automatically by scanning modules.) """ # Status code reserved for skipped tests (used by hghave). SKIPPED_STATUS = 80 def __init__(self, path, tmpdir, keeptmpdir=False, debug=False, timeout=defaults['timeout'], startport=defaults['port'], extraconfigopts=None, py3kwarnings=False, shell=None, hgcommand=None, slowtimeout=defaults['slowtimeout'], usechg=False, useipv6=False): """Create a test from parameters. path is the full path to the file defining the test. tmpdir is the main temporary directory to use for this test. keeptmpdir determines whether to keep the test's temporary directory after execution. It defaults to removal (False). debug mode will make the test execute verbosely, with unfiltered output. timeout controls the maximum run time of the test. It is ignored when debug is True. See slowtimeout for tests with #require slow. slowtimeout overrides timeout if the test has #require slow. startport controls the starting port number to use for this test. Each test will reserve 3 port numbers for execution. It is the caller's responsibility to allocate a non-overlapping port range to Test instances. extraconfigopts is an iterable of extra hgrc config options. Values must have the form "key=value" (something understood by hgrc). Values of the form "foo.key=value" will result in "[foo] key=value". py3kwarnings enables Py3k warnings. shell is the shell to execute tests in. """ self.path = path self.bname = os.path.basename(path) self.name = _strpath(self.bname) self._testdir = os.path.dirname(path) self._tmpname = os.path.basename(path) self.errpath = os.path.join(self._testdir, b'%s.err' % self.bname) self._threadtmp = tmpdir self._keeptmpdir = keeptmpdir self._debug = debug self._timeout = timeout self._slowtimeout = slowtimeout self._startport = startport self._extraconfigopts = extraconfigopts or [] self._py3kwarnings = py3kwarnings self._shell = _bytespath(shell) self._hgcommand = hgcommand or b'hg' self._usechg = usechg self._useipv6 = useipv6 self._aborted = False self._daemonpids = [] self._finished = None self._ret = None self._out = None self._skipped = None self._testtmp = None self._chgsockdir = None # If we're not in --debug mode and reference output file exists, # check test output against it. if debug: self._refout = None # to match "out is None" elif os.path.exists(self.refpath): f = open(self.refpath, 'rb') self._refout = f.read().splitlines(True) f.close() else: self._refout = [] # needed to get base class __repr__ running @property def _testMethodName(self): return self.name def __str__(self): return self.name def shortDescription(self): return self.name def setUp(self): """Tasks to perform before run().""" self._finished = False self._ret = None self._out = None self._skipped = None try: os.mkdir(self._threadtmp) except OSError as e: if e.errno != errno.EEXIST: raise name = self._tmpname self._testtmp = os.path.join(self._threadtmp, name) os.mkdir(self._testtmp) # Remove any previous output files. if os.path.exists(self.errpath): try: os.remove(self.errpath) except OSError as e: # We might have raced another test to clean up a .err # file, so ignore ENOENT when removing a previous .err # file. if e.errno != errno.ENOENT: raise if self._usechg: self._chgsockdir = os.path.join(self._threadtmp, b'%s.chgsock' % name) os.mkdir(self._chgsockdir) def run(self, result): """Run this test and report results against a TestResult instance.""" # This function is extremely similar to unittest.TestCase.run(). Once # we require Python 2.7 (or at least its version of unittest), this # function can largely go away. self._result = result result.startTest(self) try: try: self.setUp() except (KeyboardInterrupt, SystemExit): self._aborted = True raise except Exception: result.addError(self, sys.exc_info()) return success = False try: self.runTest() except KeyboardInterrupt: self._aborted = True raise except SkipTest as e: result.addSkip(self, str(e)) # The base class will have already counted this as a # test we "ran", but we want to exclude skipped tests # from those we count towards those run. result.testsRun -= 1 except IgnoreTest as e: result.addIgnore(self, str(e)) # As with skips, ignores also should be excluded from # the number of tests executed. result.testsRun -= 1 except WarnTest as e: result.addWarn(self, str(e)) except ReportedTest as e: pass except self.failureException as e: # This differs from unittest in that we don't capture # the stack trace. This is for historical reasons and # this decision could be revisited in the future, # especially for PythonTest instances. if result.addFailure(self, str(e)): success = True except Exception: result.addError(self, sys.exc_info()) else: success = True try: self.tearDown() except (KeyboardInterrupt, SystemExit): self._aborted = True raise except Exception: result.addError(self, sys.exc_info()) success = False if success: result.addSuccess(self) finally: result.stopTest(self, interrupted=self._aborted) def runTest(self): """Run this test instance. This will return a tuple describing the result of the test. """ env = self._getenv() self._daemonpids.append(env['DAEMON_PIDS']) self._createhgrc(env['HGRCPATH']) vlog('# Test', self.name) ret, out = self._run(env) self._finished = True self._ret = ret self._out = out def describe(ret): if ret < 0: return 'killed by signal: %d' % -ret return 'returned error code %d' % ret self._skipped = False if ret == self.SKIPPED_STATUS: if out is None: # Debug mode, nothing to parse. missing = ['unknown'] failed = None else: missing, failed = TTest.parsehghaveoutput(out) if not missing: missing = ['skipped'] if failed: self.fail('hg have failed checking for %s' % failed[-1]) else: self._skipped = True raise SkipTest(missing[-1]) elif ret == 'timeout': self.fail('timed out') elif ret is False: raise WarnTest('no result code from test') elif out != self._refout: # Diff generation may rely on written .err file. if (ret != 0 or out != self._refout) and not self._skipped \ and not self._debug: f = open(self.errpath, 'wb') for line in out: f.write(line) f.close() # The result object handles diff calculation for us. if self._result.addOutputMismatch(self, ret, out, self._refout): # change was accepted, skip failing return if ret: msg = 'output changed and ' + describe(ret) else: msg = 'output changed' self.fail(msg) elif ret: self.fail(describe(ret)) def tearDown(self): """Tasks to perform after run().""" for entry in self._daemonpids: killdaemons(entry) self._daemonpids = [] if self._keeptmpdir: log('\nKeeping testtmp dir: %s\nKeeping threadtmp dir: %s' % (self._testtmp.decode('utf-8'), self._threadtmp.decode('utf-8'))) else: shutil.rmtree(self._testtmp, True) shutil.rmtree(self._threadtmp, True) if self._usechg: # chgservers will stop automatically after they find the socket # files are deleted shutil.rmtree(self._chgsockdir, True) if (self._ret != 0 or self._out != self._refout) and not self._skipped \ and not self._debug and self._out: f = open(self.errpath, 'wb') for line in self._out: f.write(line) f.close() vlog("# Ret was:", self._ret, '(%s)' % self.name) def _run(self, env): # This should be implemented in child classes to run tests. raise SkipTest('unknown test type') def abort(self): """Terminate execution of this test.""" self._aborted = True def _portmap(self, i): offset = b'' if i == 0 else b'%d' % i return (br':%d\b' % (self._startport + i), b':$HGPORT%s' % offset) def _getreplacements(self): """Obtain a mapping of text replacements to apply to test output. Test output needs to be normalized so it can be compared to expected output. This function defines how some of that normalization will occur. """ r = [ # This list should be parallel to defineport in _getenv self._portmap(0), self._portmap(1), self._portmap(2), (br'(?m)^(saved backup bundle to .*\.hg)( \(glob\))?$', br'\1 (glob)'), (br'([^0-9])%s' % re.escape(self._localip()), br'\1$LOCALIP'), (br'\bHG_TXNID=TXN:[a-f0-9]{40}\b', br'HG_TXNID=TXN:$ID$'), ] r.append((self._escapepath(self._testtmp), b'$TESTTMP')) return r def _escapepath(self, p): if os.name == 'nt': return ( (b''.join(c.isalpha() and b'[%s%s]' % (c.lower(), c.upper()) or c in b'/\\' and br'[/\\]' or c.isdigit() and c or b'\\' + c for c in p)) ) else: return re.escape(p) def _localip(self): if self._useipv6: return b'::1' else: return b'127.0.0.1' def _getenv(self): """Obtain environment variables to use during test execution.""" def defineport(i): offset = '' if i == 0 else '%s' % i env["HGPORT%s" % offset] = '%s' % (self._startport + i) env = os.environ.copy() env['PYTHONUSERBASE'] = sysconfig.get_config_var('userbase') env['HGEMITWARNINGS'] = '1' env['TESTTMP'] = self._testtmp env['HOME'] = self._testtmp # This number should match portneeded in _getport for port in xrange(3): # This list should be parallel to _portmap in _getreplacements defineport(port) env["HGRCPATH"] = os.path.join(self._threadtmp, b'.hgrc') env["DAEMON_PIDS"] = os.path.join(self._threadtmp, b'daemon.pids') env["HGEDITOR"] = ('"' + sys.executable + '"' + ' -c "import sys; sys.exit(0)"') env["HGMERGE"] = "internal:merge" env["HGUSER"] = "test" env["HGENCODING"] = "ascii" env["HGENCODINGMODE"] = "strict" env['HGIPV6'] = str(int(self._useipv6)) # LOCALIP could be ::1 or 127.0.0.1. Useful for tests that require raw # IP addresses. env['LOCALIP'] = self._localip() # Reset some environment variables to well-known values so that # the tests produce repeatable output. env['LANG'] = env['LC_ALL'] = env['LANGUAGE'] = 'C' env['TZ'] = 'GMT' env["EMAIL"] = "Foo Bar <foo.bar@example.com>" env['COLUMNS'] = '80' env['TERM'] = 'xterm' for k in ('HG HGPROF CDPATH GREP_OPTIONS http_proxy no_proxy ' + 'HGPLAIN HGPLAINEXCEPT EDITOR VISUAL PAGER ' + 'NO_PROXY CHGDEBUG').split(): if k in env: del env[k] # unset env related to hooks for k in env.keys(): if k.startswith('HG_'): del env[k] if self._usechg: env['CHGSOCKNAME'] = os.path.join(self._chgsockdir, b'server') return env def _createhgrc(self, path): """Create an hgrc file for this test.""" hgrc = open(path, 'wb') hgrc.write(b'[ui]\n') hgrc.write(b'slash = True\n') hgrc.write(b'interactive = False\n') hgrc.write(b'mergemarkers = detailed\n') hgrc.write(b'promptecho = True\n') hgrc.write(b'[defaults]\n') hgrc.write(b'[devel]\n') hgrc.write(b'all-warnings = true\n') hgrc.write(b'default-date = 0 0\n') hgrc.write(b'[largefiles]\n') hgrc.write(b'usercache = %s\n' % (os.path.join(self._testtmp, b'.cache/largefiles'))) hgrc.write(b'[web]\n') hgrc.write(b'address = localhost\n') hgrc.write(b'ipv6 = %s\n' % str(self._useipv6).encode('ascii')) for opt in self._extraconfigopts: section, key = opt.split('.', 1) assert '=' in key, ('extra config opt %s must ' 'have an = for assignment' % opt) hgrc.write(b'[%s]\n%s\n' % (section, key)) hgrc.close() def fail(self, msg): # unittest differentiates between errored and failed. # Failed is denoted by AssertionError (by default at least). raise AssertionError(msg) def _runcommand(self, cmd, env, normalizenewlines=False): """Run command in a sub-process, capturing the output (stdout and stderr). Return a tuple (exitcode, output). output is None in debug mode. """ if self._debug: proc = subprocess.Popen(cmd, shell=True, cwd=self._testtmp, env=env) ret = proc.wait() return (ret, None) proc = Popen4(cmd, self._testtmp, self._timeout, env) def cleanup(): terminate(proc) ret = proc.wait() if ret == 0: ret = signal.SIGTERM << 8 killdaemons(env['DAEMON_PIDS']) return ret output = '' proc.tochild.close() try: output = proc.fromchild.read() except KeyboardInterrupt: vlog('# Handling keyboard interrupt') cleanup() raise ret = proc.wait() if wifexited(ret): ret = os.WEXITSTATUS(ret) if proc.timeout: ret = 'timeout' if ret: killdaemons(env['DAEMON_PIDS']) for s, r in self._getreplacements(): output = re.sub(s, r, output) if normalizenewlines: output = output.replace('\r\n', '\n') return ret, output.splitlines(True) class PythonTest(Test): """A Python-based test.""" @property def refpath(self): return os.path.join(self._testdir, b'%s.out' % self.bname) def _run(self, env): py3kswitch = self._py3kwarnings and b' -3' or b'' cmd = b'%s%s "%s"' % (PYTHON, py3kswitch, self.path) vlog("# Running", cmd) normalizenewlines = os.name == 'nt' result = self._runcommand(cmd, env, normalizenewlines=normalizenewlines) if self._aborted: raise KeyboardInterrupt() return result # Some glob patterns apply only in some circumstances, so the script # might want to remove (glob) annotations that otherwise should be # retained. checkcodeglobpats = [ # On Windows it looks like \ doesn't require a (glob), but we know # better. re.compile(br'^pushing to \$TESTTMP/.*[^)]$'), re.compile(br'^moving \S+/.*[^)]$'), re.compile(br'^pulling from \$TESTTMP/.*[^)]$'), # Not all platforms have 127.0.0.1 as loopback (though most do), # so we always glob that too. re.compile(br'.*\$LOCALIP.*$'), ] bchr = chr if PYTHON3: bchr = lambda x: bytes([x]) class TTest(Test): """A "t test" is a test backed by a .t file.""" SKIPPED_PREFIX = b'skipped: ' FAILED_PREFIX = b'hghave check failed: ' NEEDESCAPE = re.compile(br'[\x00-\x08\x0b-\x1f\x7f-\xff]').search ESCAPESUB = re.compile(br'[\x00-\x08\x0b-\x1f\\\x7f-\xff]').sub ESCAPEMAP = dict((bchr(i), br'\x%02x' % i) for i in range(256)) ESCAPEMAP.update({b'\\': b'\\\\', b'\r': br'\r'}) def __init__(self, path, *args, **kwds): # accept an extra "case" parameter case = None if 'case' in kwds: case = kwds.pop('case') self._case = case self._allcases = parsettestcases(path) super(TTest, self).__init__(path, *args, **kwds) if case: self.name = '%s (case %s)' % (self.name, _strpath(case)) self.errpath = b'%s.%s.err' % (self.errpath[:-4], case) self._tmpname += b'-%s' % case @property def refpath(self): return os.path.join(self._testdir, self.bname) def _run(self, env): f = open(self.path, 'rb') lines = f.readlines() f.close() salt, script, after, expected = self._parsetest(lines) # Write out the generated script. fname = b'%s.sh' % self._testtmp f = open(fname, 'wb') for l in script: f.write(l) f.close() cmd = b'%s "%s"' % (self._shell, fname) vlog("# Running", cmd) exitcode, output = self._runcommand(cmd, env) if self._aborted: raise KeyboardInterrupt() # Do not merge output if skipped. Return hghave message instead. # Similarly, with --debug, output is None. if exitcode == self.SKIPPED_STATUS or output is None: return exitcode, output return self._processoutput(exitcode, output, salt, after, expected) def _hghave(self, reqs): # TODO do something smarter when all other uses of hghave are gone. runtestdir = os.path.abspath(os.path.dirname(_bytespath(__file__))) tdir = runtestdir.replace(b'\\', b'/') proc = Popen4(b'%s -c "%s/hghave %s"' % (self._shell, tdir, b' '.join(reqs)), self._testtmp, 0, self._getenv()) stdout, stderr = proc.communicate() ret = proc.wait() if wifexited(ret): ret = os.WEXITSTATUS(ret) if ret == 2: print(stdout.decode('utf-8')) sys.exit(1) if ret != 0: return False, stdout if 'slow' in reqs: self._timeout = self._slowtimeout return True, None def _iftest(self, args): # implements "#if" reqs = [] for arg in args: if arg.startswith(b'no-') and arg[3:] in self._allcases: if arg[3:] == self._case: return False elif arg in self._allcases: if arg != self._case: return False else: reqs.append(arg) return self._hghave(reqs)[0] def _parsetest(self, lines): # We generate a shell script which outputs unique markers to line # up script results with our source. These markers include input # line number and the last return code. salt = b"SALT%d" % time.time() def addsalt(line, inpython): if inpython: script.append(b'%s %d 0\n' % (salt, line)) else: script.append(b'echo %s %d $?\n' % (salt, line)) script = [] # After we run the shell script, we re-unify the script output # with non-active parts of the source, with synchronization by our # SALT line number markers. The after table contains the non-active # components, ordered by line number. after = {} # Expected shell script output. expected = {} pos = prepos = -1 # True or False when in a true or false conditional section skipping = None # We keep track of whether or not we're in a Python block so we # can generate the surrounding doctest magic. inpython = False if self._debug: script.append(b'set -x\n') if self._hgcommand != b'hg': script.append(b'alias hg="%s"\n' % self._hgcommand) if os.getenv('MSYSTEM'): script.append(b'alias pwd="pwd -W"\n') n = 0 for n, l in enumerate(lines): if not l.endswith(b'\n'): l += b'\n' if l.startswith(b'#require'): lsplit = l.split() if len(lsplit) < 2 or lsplit[0] != b'#require': after.setdefault(pos, []).append(' !!! invalid #require\n') haveresult, message = self._hghave(lsplit[1:]) if not haveresult: script = [b'echo "%s"\nexit 80\n' % message] break after.setdefault(pos, []).append(l) elif l.startswith(b'#if'): lsplit = l.split() if len(lsplit) < 2 or lsplit[0] != b'#if': after.setdefault(pos, []).append(' !!! invalid #if\n') if skipping is not None: after.setdefault(pos, []).append(' !!! nested #if\n') skipping = not self._iftest(lsplit[1:]) after.setdefault(pos, []).append(l) elif l.startswith(b'#else'): if skipping is None: after.setdefault(pos, []).append(' !!! missing #if\n') skipping = not skipping after.setdefault(pos, []).append(l) elif l.startswith(b'#endif'): if skipping is None: after.setdefault(pos, []).append(' !!! missing #if\n') skipping = None after.setdefault(pos, []).append(l) elif skipping: after.setdefault(pos, []).append(l) elif l.startswith(b' >>> '): # python inlines after.setdefault(pos, []).append(l) prepos = pos pos = n if not inpython: # We've just entered a Python block. Add the header. inpython = True addsalt(prepos, False) # Make sure we report the exit code. script.append(b'%s -m heredoctest <<EOF\n' % PYTHON) addsalt(n, True) script.append(l[2:]) elif l.startswith(b' ... '): # python inlines after.setdefault(prepos, []).append(l) script.append(l[2:]) elif l.startswith(b' $ '): # commands if inpython: script.append(b'EOF\n') inpython = False after.setdefault(pos, []).append(l) prepos = pos pos = n addsalt(n, False) cmd = l[4:].split() if len(cmd) == 2 and cmd[0] == b'cd': l = b' $ cd %s || exit 1\n' % cmd[1] script.append(l[4:]) elif l.startswith(b' > '): # continuations after.setdefault(prepos, []).append(l) script.append(l[4:]) elif l.startswith(b' '): # results # Queue up a list of expected results. expected.setdefault(pos, []).append(l[2:]) else: if inpython: script.append(b'EOF\n') inpython = False # Non-command/result. Queue up for merged output. after.setdefault(pos, []).append(l) if inpython: script.append(b'EOF\n') if skipping is not None: after.setdefault(pos, []).append(' !!! missing #endif\n') addsalt(n + 1, False) return salt, script, after, expected def _processoutput(self, exitcode, output, salt, after, expected): # Merge the script output back into a unified test. warnonly = 1 # 1: not yet; 2: yes; 3: for sure not if exitcode != 0: warnonly = 3 pos = -1 postout = [] for l in output: lout, lcmd = l, None if salt in l: lout, lcmd = l.split(salt, 1) while lout: if not lout.endswith(b'\n'): lout += b' (no-eol)\n' # Find the expected output at the current position. els = [None] if expected.get(pos, None): els = expected[pos] i = 0 optional = [] while i < len(els): el = els[i] r = TTest.linematch(el, lout) if isinstance(r, str): if r == '+glob': lout = el[:-1] + ' (glob)\n' r = '' # Warn only this line. elif r == '-glob': lout = ''.join(el.rsplit(' (glob)', 1)) r = '' # Warn only this line. elif r == "retry": postout.append(b' ' + el) els.pop(i) break else: log('\ninfo, unknown linematch result: %r\n' % r) r = False if r: els.pop(i) break if el: if el.endswith(b" (?)\n"): optional.append(i) else: m = optline.match(el) if m: conditions = [c for c in m.group(2).split(' ')] if self._hghave(conditions)[0]: lout = el else: optional.append(i) i += 1 if r: if r == "retry": continue # clean up any optional leftovers for i in optional: postout.append(b' ' + els[i]) for i in reversed(optional): del els[i] postout.append(b' ' + el) else: if self.NEEDESCAPE(lout): lout = TTest._stringescape(b'%s (esc)\n' % lout.rstrip(b'\n')) postout.append(b' ' + lout) # Let diff deal with it. if r != '': # If line failed. warnonly = 3 # for sure not elif warnonly == 1: # Is "not yet" and line is warn only. warnonly = 2 # Yes do warn. break else: # clean up any optional leftovers while expected.get(pos, None): el = expected[pos].pop(0) if el: if (not optline.match(el) and not el.endswith(b" (?)\n")): break postout.append(b' ' + el) if lcmd: # Add on last return code. ret = int(lcmd.split()[1]) if ret != 0: postout.append(b' [%d]\n' % ret) if pos in after: # Merge in non-active test bits. postout += after.pop(pos) pos = int(lcmd.split()[0]) if pos in after: postout += after.pop(pos) if warnonly == 2: exitcode = False # Set exitcode to warned. return exitcode, postout @staticmethod def rematch(el, l): try: # use \Z to ensure that the regex matches to the end of the string if os.name == 'nt': return re.match(el + br'\r?\n\Z', l) return re.match(el + br'\n\Z', l) except re.error: # el is an invalid regex return False @staticmethod def globmatch(el, l): # The only supported special characters are * and ? plus / which also # matches \ on windows. Escaping of these characters is supported. if el + b'\n' == l: if os.altsep: # matching on "/" is not needed for this line for pat in checkcodeglobpats: if pat.match(el): return True return b'-glob' return True el = el.replace(b'$LOCALIP', b'*') i, n = 0, len(el) res = b'' while i < n: c = el[i:i + 1] i += 1 if c == b'\\' and i < n and el[i:i + 1] in b'*?\\/': res += el[i - 1:i + 1] i += 1 elif c == b'*': res += b'.*' elif c == b'?': res += b'.' elif c == b'/' and os.altsep: res += b'[/\\\\]' else: res += re.escape(c) return TTest.rematch(res, l) @staticmethod def linematch(el, l): retry = False if el == l: # perfect match (fast) return True if el: if el.endswith(b" (?)\n"): retry = "retry" el = el[:-5] + b"\n" else: m = optline.match(el) if m: el = m.group(1) + b"\n" retry = "retry" if el.endswith(b" (esc)\n"): if PYTHON3: el = el[:-7].decode('unicode_escape') + '\n' el = el.encode('utf-8') else: el = el[:-7].decode('string-escape') + '\n' if el == l or os.name == 'nt' and el[:-1] + b'\r\n' == l: return True if el.endswith(b" (re)\n"): return TTest.rematch(el[:-6], l) or retry if el.endswith(b" (glob)\n"): # ignore '(glob)' added to l by 'replacements' if l.endswith(b" (glob)\n"): l = l[:-8] + b"\n" return TTest.globmatch(el[:-8], l) or retry if os.altsep and l.replace(b'\\', b'/') == el: return b'+glob' return retry @staticmethod def parsehghaveoutput(lines): '''Parse hghave log lines. Return tuple of lists (missing, failed): * the missing/unknown features * the features for which existence check failed''' missing = [] failed = [] for line in lines: if line.startswith(TTest.SKIPPED_PREFIX): line = line.splitlines()[0] missing.append(line[len(TTest.SKIPPED_PREFIX):].decode('utf-8')) elif line.startswith(TTest.FAILED_PREFIX): line = line.splitlines()[0] failed.append(line[len(TTest.FAILED_PREFIX):].decode('utf-8')) return missing, failed @staticmethod def _escapef(m): return TTest.ESCAPEMAP[m.group(0)] @staticmethod def _stringescape(s): return TTest.ESCAPESUB(TTest._escapef, s) iolock = threading.RLock() class SkipTest(Exception): """Raised to indicate that a test is to be skipped.""" class IgnoreTest(Exception): """Raised to indicate that a test is to be ignored.""" class WarnTest(Exception): """Raised to indicate that a test warned.""" class ReportedTest(Exception): """Raised to indicate that a test already reported.""" class TestResult(unittest._TextTestResult): """Holds results when executing via unittest.""" # Don't worry too much about accessing the non-public _TextTestResult. # It is relatively common in Python testing tools. def __init__(self, options, *args, **kwargs): super(TestResult, self).__init__(*args, **kwargs) self._options = options # unittest.TestResult didn't have skipped until 2.7. We need to # polyfill it. self.skipped = [] # We have a custom "ignored" result that isn't present in any Python # unittest implementation. It is very similar to skipped. It may make # sense to map it into skip some day. self.ignored = [] # We have a custom "warned" result that isn't present in any Python # unittest implementation. It is very similar to failed. It may make # sense to map it into fail some day. self.warned = [] self.times = [] self._firststarttime = None # Data stored for the benefit of generating xunit reports. self.successes = [] self.faildata = {} def addFailure(self, test, reason): self.failures.append((test, reason)) if self._options.first: self.stop() else: with iolock: if reason == "timed out": self.stream.write('t') else: if not self._options.nodiff: self.stream.write('\nERROR: %s output changed\n' % test) self.stream.write('!') self.stream.flush() def addSuccess(self, test): with iolock: super(TestResult, self).addSuccess(test) self.successes.append(test) def addError(self, test, err): super(TestResult, self).addError(test, err) if self._options.first: self.stop() # Polyfill. def addSkip(self, test, reason): self.skipped.append((test, reason)) with iolock: if self.showAll: self.stream.writeln('skipped %s' % reason) else: self.stream.write('s') self.stream.flush() def addIgnore(self, test, reason): self.ignored.append((test, reason)) with iolock: if self.showAll: self.stream.writeln('ignored %s' % reason) else: if reason not in ('not retesting', "doesn't match keyword"): self.stream.write('i') else: self.testsRun += 1 self.stream.flush() def addWarn(self, test, reason): self.warned.append((test, reason)) if self._options.first: self.stop() with iolock: if self.showAll: self.stream.writeln('warned %s' % reason) else: self.stream.write('~') self.stream.flush() def addOutputMismatch(self, test, ret, got, expected): """Record a mismatch in test output for a particular test.""" if self.shouldStop: # don't print, some other test case already failed and # printed, we're just stale and probably failed due to our # temp dir getting cleaned up. return accepted = False lines = [] with iolock: if self._options.nodiff: pass elif self._options.view: v = self._options.view if PYTHON3: v = _bytespath(v) os.system(b"%s %s %s" % (v, test.refpath, test.errpath)) else: servefail, lines = getdiff(expected, got, test.refpath, test.errpath) if servefail: self.addFailure( test, 'server failed to start (HGPORT=%s)' % test._startport) raise ReportedTest('server failed to start') else: self.stream.write('\n') for line in lines: if PYTHON3: self.stream.flush() self.stream.buffer.write(line) self.stream.buffer.flush() else: self.stream.write(line) self.stream.flush() # handle interactive prompt without releasing iolock if self._options.interactive: self.stream.write('Accept this change? [n] ') answer = sys.stdin.readline().strip() if answer.lower() in ('y', 'yes'): if test.name.endswith('.t'): rename(test.errpath, test.path) else: rename(test.errpath, '%s.out' % test.path) accepted = True if not accepted: self.faildata[test.name] = b''.join(lines) return accepted def startTest(self, test): super(TestResult, self).startTest(test) # os.times module computes the user time and system time spent by # child's processes along with real elapsed time taken by a process. # This module has one limitation. It can only work for Linux user # and not for Windows. test.started = os.times() if self._firststarttime is None: # thread racy but irrelevant self._firststarttime = test.started[4] def stopTest(self, test, interrupted=False): super(TestResult, self).stopTest(test) test.stopped = os.times() starttime = test.started endtime = test.stopped origin = self._firststarttime self.times.append((test.name, endtime[2] - starttime[2], # user space CPU time endtime[3] - starttime[3], # sys space CPU time endtime[4] - starttime[4], # real time starttime[4] - origin, # start date in run context endtime[4] - origin, # end date in run context )) if interrupted: with iolock: self.stream.writeln('INTERRUPTED: %s (after %d seconds)' % ( test.name, self.times[-1][3])) class TestSuite(unittest.TestSuite): """Custom unittest TestSuite that knows how to execute Mercurial tests.""" def __init__(self, testdir, jobs=1, whitelist=None, blacklist=None, retest=False, keywords=None, loop=False, runs_per_test=1, loadtest=None, showchannels=False, *args, **kwargs): """Create a new instance that can run tests with a configuration. testdir specifies the directory where tests are executed from. This is typically the ``tests`` directory from Mercurial's source repository. jobs specifies the number of jobs to run concurrently. Each test executes on its own thread. Tests actually spawn new processes, so state mutation should not be an issue. If there is only one job, it will use the main thread. whitelist and blacklist denote tests that have been whitelisted and blacklisted, respectively. These arguments don't belong in TestSuite. Instead, whitelist and blacklist should be handled by the thing that populates the TestSuite with tests. They are present to preserve backwards compatible behavior which reports skipped tests as part of the results. retest denotes whether to retest failed tests. This arguably belongs outside of TestSuite. keywords denotes key words that will be used to filter which tests to execute. This arguably belongs outside of TestSuite. loop denotes whether to loop over tests forever. """ super(TestSuite, self).__init__(*args, **kwargs) self._jobs = jobs self._whitelist = whitelist self._blacklist = blacklist self._retest = retest self._keywords = keywords self._loop = loop self._runs_per_test = runs_per_test self._loadtest = loadtest self._showchannels = showchannels def run(self, result): # We have a number of filters that need to be applied. We do this # here instead of inside Test because it makes the running logic for # Test simpler. tests = [] num_tests = [0] for test in self._tests: def get(): num_tests[0] += 1 if getattr(test, 'should_reload', False): return self._loadtest(test, num_tests[0]) return test if not os.path.exists(test.path): result.addSkip(test, "Doesn't exist") continue if not (self._whitelist and test.name in self._whitelist): if self._blacklist and test.bname in self._blacklist: result.addSkip(test, 'blacklisted') continue if self._retest and not os.path.exists(test.errpath): result.addIgnore(test, 'not retesting') continue if self._keywords: f = open(test.path, 'rb') t = f.read().lower() + test.bname.lower() f.close() ignored = False for k in self._keywords.lower().split(): if k not in t: result.addIgnore(test, "doesn't match keyword") ignored = True break if ignored: continue for _ in xrange(self._runs_per_test): tests.append(get()) runtests = list(tests) done = queue.Queue() running = 0 channels = [""] * self._jobs def job(test, result): for n, v in enumerate(channels): if not v: channel = n break channels[channel] = "=" + test.name[5:].split(".")[0] try: test(result) done.put(None) except KeyboardInterrupt: pass except: # re-raises done.put(('!', test, 'run-test raised an error, see traceback')) raise try: channels[channel] = '' except IndexError: pass def stat(): count = 0 while channels: d = '\n%03s ' % count for n, v in enumerate(channels): if v: d += v[0] channels[n] = v[1:] or '.' else: d += ' ' d += ' ' with iolock: sys.stdout.write(d + ' ') sys.stdout.flush() for x in xrange(10): if channels: time.sleep(.1) count += 1 stoppedearly = False if self._showchannels: statthread = threading.Thread(target=stat, name="stat") statthread.start() try: while tests or running: if not done.empty() or running == self._jobs or not tests: try: done.get(True, 1) running -= 1 if result and result.shouldStop: stoppedearly = True break except queue.Empty: continue if tests and not running == self._jobs: test = tests.pop(0) if self._loop: if getattr(test, 'should_reload', False): num_tests[0] += 1 tests.append( self._loadtest(test, num_tests[0])) else: tests.append(test) if self._jobs == 1: job(test, result) else: t = threading.Thread(target=job, name=test.name, args=(test, result)) t.start() running += 1 # If we stop early we still need to wait on started tests to # finish. Otherwise, there is a race between the test completing # and the test's cleanup code running. This could result in the # test reporting incorrect. if stoppedearly: while running: try: done.get(True, 1) running -= 1 except queue.Empty: continue except KeyboardInterrupt: for test in runtests: test.abort() channels = [] return result # Save the most recent 5 wall-clock runtimes of each test to a # human-readable text file named .testtimes. Tests are sorted # alphabetically, while times for each test are listed from oldest to # newest. def loadtimes(testdir): times = [] try: with open(os.path.join(testdir, b'.testtimes-')) as fp: for line in fp: ts = line.split() times.append((ts[0], [float(t) for t in ts[1:]])) except IOError as err: if err.errno != errno.ENOENT: raise return times def savetimes(testdir, result): saved = dict(loadtimes(testdir)) maxruns = 5 skipped = set([str(t[0]) for t in result.skipped]) for tdata in result.times: test, real = tdata[0], tdata[3] if test not in skipped: ts = saved.setdefault(test, []) ts.append(real) ts[:] = ts[-maxruns:] fd, tmpname = tempfile.mkstemp(prefix=b'.testtimes', dir=testdir, text=True) with os.fdopen(fd, 'w') as fp: for name, ts in sorted(saved.items()): fp.write('%s %s\n' % (name, ' '.join(['%.3f' % (t,) for t in ts]))) timepath = os.path.join(testdir, b'.testtimes') try: os.unlink(timepath) except OSError: pass try: os.rename(tmpname, timepath) except OSError: pass class TextTestRunner(unittest.TextTestRunner): """Custom unittest test runner that uses appropriate settings.""" def __init__(self, runner, *args, **kwargs): super(TextTestRunner, self).__init__(*args, **kwargs) self._runner = runner def run(self, test): result = TestResult(self._runner.options, self.stream, self.descriptions, self.verbosity) test(result) failed = len(result.failures) warned = len(result.warned) skipped = len(result.skipped) ignored = len(result.ignored) with iolock: self.stream.writeln('') if not self._runner.options.noskips: for test, msg in result.skipped: self.stream.writeln('Skipped %s: %s' % (test.name, msg)) for test, msg in result.warned: self.stream.writeln('Warned %s: %s' % (test.name, msg)) for test, msg in result.failures: self.stream.writeln('Failed %s: %s' % (test.name, msg)) for test, msg in result.errors: self.stream.writeln('Errored %s: %s' % (test.name, msg)) if self._runner.options.xunit: with open(self._runner.options.xunit, 'wb') as xuf: timesd = dict((t[0], t[3]) for t in result.times) doc = minidom.Document() s = doc.createElement('testsuite') s.setAttribute('name', 'run-tests') s.setAttribute('tests', str(result.testsRun)) s.setAttribute('errors', "0") # TODO s.setAttribute('failures', str(failed)) s.setAttribute('skipped', str(skipped + ignored)) doc.appendChild(s) for tc in result.successes: t = doc.createElement('testcase') t.setAttribute('name', tc.name) t.setAttribute('time', '%.3f' % timesd[tc.name]) s.appendChild(t) for tc, err in sorted(result.faildata.items()): t = doc.createElement('testcase') t.setAttribute('name', tc) t.setAttribute('time', '%.3f' % timesd[tc]) # createCDATASection expects a unicode or it will # convert using default conversion rules, which will # fail if string isn't ASCII. err = cdatasafe(err).decode('utf-8', 'replace') cd = doc.createCDATASection(err) t.appendChild(cd) s.appendChild(t) xuf.write(doc.toprettyxml(indent=' ', encoding='utf-8')) if self._runner.options.json: jsonpath = os.path.join(self._runner._testdir, b'report.json') with open(jsonpath, 'w') as fp: timesd = {} for tdata in result.times: test = tdata[0] timesd[test] = tdata[1:] outcome = {} groups = [('success', ((tc, None) for tc in result.successes)), ('failure', result.failures), ('skip', result.skipped)] for res, testcases in groups: for tc, __ in testcases: if tc.name in timesd: diff = result.faildata.get(tc.name, b'') tres = {'result': res, 'time': ('%0.3f' % timesd[tc.name][2]), 'cuser': ('%0.3f' % timesd[tc.name][0]), 'csys': ('%0.3f' % timesd[tc.name][1]), 'start': ('%0.3f' % timesd[tc.name][3]), 'end': ('%0.3f' % timesd[tc.name][4]), 'diff': diff.decode('unicode_escape'), } else: # blacklisted test tres = {'result': res} outcome[tc.name] = tres jsonout = json.dumps(outcome, sort_keys=True, indent=4, separators=(',', ': ')) fp.writelines(("testreport =", jsonout)) self._runner._checkhglib('Tested') savetimes(self._runner._testdir, result) if failed and self._runner.options.known_good_rev: def nooutput(args): p = subprocess.Popen(args, stderr=subprocess.STDOUT, stdout=subprocess.PIPE) p.stdout.read() p.wait() for test, msg in result.failures: nooutput(['hg', 'bisect', '--reset']), nooutput(['hg', 'bisect', '--bad', '.']) nooutput(['hg', 'bisect', '--good', self._runner.options.known_good_rev]) # TODO: we probably need to forward some options # that alter hg's behavior inside the tests. rtc = '%s %s %s' % (sys.executable, sys.argv[0], test) sub = subprocess.Popen(['hg', 'bisect', '--command', rtc], stderr=subprocess.STDOUT, stdout=subprocess.PIPE) data = sub.stdout.read() sub.wait() m = re.search( (r'\nThe first (?P<goodbad>bad|good) revision ' r'is:\nchangeset: +\d+:(?P<node>[a-f0-9]+)\n.*\n' r'summary: +(?P<summary>[^\n]+)\n'), data, (re.MULTILINE | re.DOTALL)) if m is None: self.stream.writeln( 'Failed to identify failure point for %s' % test) continue dat = m.groupdict() verb = 'broken' if dat['goodbad'] == 'bad' else 'fixed' self.stream.writeln( '%s %s by %s (%s)' % ( test, verb, dat['node'], dat['summary'])) self.stream.writeln( '# Ran %d tests, %d skipped, %d warned, %d failed.' % (result.testsRun, skipped + ignored, warned, failed)) if failed: self.stream.writeln('python hash seed: %s' % os.environ['PYTHONHASHSEED']) if self._runner.options.time: self.printtimes(result.times) return result def printtimes(self, times): # iolock held by run self.stream.writeln('# Producing time report') times.sort(key=lambda t: (t[3])) cols = '%7.3f %7.3f %7.3f %7.3f %7.3f %s' self.stream.writeln('%-7s %-7s %-7s %-7s %-7s %s' % ('start', 'end', 'cuser', 'csys', 'real', 'Test')) for tdata in times: test = tdata[0] cuser, csys, real, start, end = tdata[1:6] self.stream.writeln(cols % (start, end, cuser, csys, real, test)) class TestRunner(object): """Holds context for executing tests. Tests rely on a lot of state. This object holds it for them. """ # Programs required to run tests. REQUIREDTOOLS = [ os.path.basename(_bytespath(sys.executable)), b'diff', b'grep', b'unzip', b'gunzip', b'bunzip2', b'sed', ] # Maps file extensions to test class. TESTTYPES = [ (b'.py', PythonTest), (b'.t', TTest), ] def __init__(self): self.options = None self._hgroot = None self._testdir = None self._hgtmp = None self._installdir = None self._bindir = None self._tmpbinddir = None self._pythondir = None self._coveragefile = None self._createdfiles = [] self._hgcommand = None self._hgpath = None self._portoffset = 0 self._ports = {} def run(self, args, parser=None): """Run the test suite.""" oldmask = os.umask(0o22) try: parser = parser or getparser() options, args = parseargs(args, parser) # positional arguments are paths to test files to run, so # we make sure they're all bytestrings args = [_bytespath(a) for a in args] self.options = options self._checktools() testdescs = self.findtests(args) if options.profile_runner: import statprof statprof.start() result = self._run(testdescs) if options.profile_runner: statprof.stop() statprof.display() return result finally: os.umask(oldmask) def _run(self, testdescs): if self.options.random: random.shuffle(testdescs) else: # keywords for slow tests slow = {b'svn': 10, b'cvs': 10, b'hghave': 10, b'largefiles-update': 10, b'run-tests': 10, b'corruption': 10, b'race': 10, b'i18n': 10, b'check': 100, b'gendoc': 100, b'contrib-perf': 200, } perf = {} def sortkey(f): # run largest tests first, as they tend to take the longest f = f['path'] try: return perf[f] except KeyError: try: val = -os.stat(f).st_size except OSError as e: if e.errno != errno.ENOENT: raise perf[f] = -1e9 # file does not exist, tell early return -1e9 for kw, mul in slow.items(): if kw in f: val *= mul if f.endswith(b'.py'): val /= 10.0 perf[f] = val / 1000.0 return perf[f] testdescs.sort(key=sortkey) self._testdir = osenvironb[b'TESTDIR'] = getattr( os, 'getcwdb', os.getcwd)() if 'PYTHONHASHSEED' not in os.environ: # use a random python hash seed all the time # we do the randomness ourself to know what seed is used os.environ['PYTHONHASHSEED'] = str(random.getrandbits(32)) if self.options.tmpdir: self.options.keep_tmpdir = True tmpdir = _bytespath(self.options.tmpdir) if os.path.exists(tmpdir): # Meaning of tmpdir has changed since 1.3: we used to create # HGTMP inside tmpdir; now HGTMP is tmpdir. So fail if # tmpdir already exists. print("error: temp dir %r already exists" % tmpdir) return 1 # Automatically removing tmpdir sounds convenient, but could # really annoy anyone in the habit of using "--tmpdir=/tmp" # or "--tmpdir=$HOME". #vlog("# Removing temp dir", tmpdir) #shutil.rmtree(tmpdir) os.makedirs(tmpdir) else: d = None if os.name == 'nt': # without this, we get the default temp dir location, but # in all lowercase, which causes troubles with paths (issue3490) d = osenvironb.get(b'TMP', None) tmpdir = tempfile.mkdtemp(b'', b'hgtests.', d) self._hgtmp = osenvironb[b'HGTMP'] = ( os.path.realpath(tmpdir)) if self.options.with_hg: self._installdir = None whg = self.options.with_hg self._bindir = os.path.dirname(os.path.realpath(whg)) assert isinstance(self._bindir, bytes) self._hgcommand = os.path.basename(whg) self._tmpbindir = os.path.join(self._hgtmp, b'install', b'bin') os.makedirs(self._tmpbindir) # This looks redundant with how Python initializes sys.path from # the location of the script being executed. Needed because the # "hg" specified by --with-hg is not the only Python script # executed in the test suite that needs to import 'mercurial' # ... which means it's not really redundant at all. self._pythondir = self._bindir else: self._installdir = os.path.join(self._hgtmp, b"install") self._bindir = os.path.join(self._installdir, b"bin") self._hgcommand = b'hg' self._tmpbindir = self._bindir self._pythondir = os.path.join(self._installdir, b"lib", b"python") # set CHGHG, then replace "hg" command by "chg" chgbindir = self._bindir if self.options.chg or self.options.with_chg: osenvironb[b'CHGHG'] = os.path.join(self._bindir, self._hgcommand) else: osenvironb.pop(b'CHGHG', None) # drop flag for hghave if self.options.chg: self._hgcommand = b'chg' elif self.options.with_chg: chgbindir = os.path.dirname(os.path.realpath(self.options.with_chg)) self._hgcommand = os.path.basename(self.options.with_chg) osenvironb[b"BINDIR"] = self._bindir osenvironb[b"PYTHON"] = PYTHON if self.options.with_python3: osenvironb[b'PYTHON3'] = self.options.with_python3 fileb = _bytespath(__file__) runtestdir = os.path.abspath(os.path.dirname(fileb)) osenvironb[b'RUNTESTDIR'] = runtestdir if PYTHON3: sepb = _bytespath(os.pathsep) else: sepb = os.pathsep path = [self._bindir, runtestdir] + osenvironb[b"PATH"].split(sepb) if os.path.islink(__file__): # test helper will likely be at the end of the symlink realfile = os.path.realpath(fileb) realdir = os.path.abspath(os.path.dirname(realfile)) path.insert(2, realdir) if chgbindir != self._bindir: path.insert(1, chgbindir) if self._testdir != runtestdir: path = [self._testdir] + path if self._tmpbindir != self._bindir: path = [self._tmpbindir] + path osenvironb[b"PATH"] = sepb.join(path) # Include TESTDIR in PYTHONPATH so that out-of-tree extensions # can run .../tests/run-tests.py test-foo where test-foo # adds an extension to HGRC. Also include run-test.py directory to # import modules like heredoctest. pypath = [self._pythondir, self._testdir, runtestdir] # We have to augment PYTHONPATH, rather than simply replacing # it, in case external libraries are only available via current # PYTHONPATH. (In particular, the Subversion bindings on OS X # are in /opt/subversion.) oldpypath = osenvironb.get(IMPL_PATH) if oldpypath: pypath.append(oldpypath) osenvironb[IMPL_PATH] = sepb.join(pypath) if self.options.pure: os.environ["HGTEST_RUN_TESTS_PURE"] = "--pure" os.environ["HGMODULEPOLICY"] = "py" if self.options.allow_slow_tests: os.environ["HGTEST_SLOW"] = "slow" elif 'HGTEST_SLOW' in os.environ: del os.environ['HGTEST_SLOW'] self._coveragefile = os.path.join(self._testdir, b'.coverage') vlog("# Using TESTDIR", self._testdir) vlog("# Using RUNTESTDIR", osenvironb[b'RUNTESTDIR']) vlog("# Using HGTMP", self._hgtmp) vlog("# Using PATH", os.environ["PATH"]) vlog("# Using", IMPL_PATH, osenvironb[IMPL_PATH]) try: return self._runtests(testdescs) or 0 finally: time.sleep(.1) self._cleanup() def findtests(self, args): """Finds possible test files from arguments. If you wish to inject custom tests into the test harness, this would be a good function to monkeypatch or override in a derived class. """ if not args: if self.options.changed: proc = Popen4('hg st --rev "%s" -man0 .' % self.options.changed, None, 0) stdout, stderr = proc.communicate() args = stdout.strip(b'\0').split(b'\0') else: args = os.listdir(b'.') tests = [] for t in args: if not (os.path.basename(t).startswith(b'test-') and (t.endswith(b'.py') or t.endswith(b'.t'))): continue if t.endswith(b'.t'): # .t file may contain multiple test cases cases = sorted(parsettestcases(t)) if cases: tests += [{'path': t, 'case': c} for c in sorted(cases)] else: tests.append({'path': t}) else: tests.append({'path': t}) return tests def _runtests(self, testdescs): def _reloadtest(test, i): # convert a test back to its description dict desc = {'path': test.path} case = getattr(test, '_case', None) if case: desc['case'] = case return self._gettest(desc, i) try: if self._installdir: self._installhg() self._checkhglib("Testing") else: self._usecorrectpython() if self.options.chg: assert self._installdir self._installchg() if self.options.restart: orig = list(testdescs) while testdescs: desc = testdescs[0] if 'case' in desc: errpath = b'%s.%s.err' % (desc['path'], desc['case']) else: errpath = b'%s.err' % desc['path'] if os.path.exists(errpath): break testdescs.pop(0) if not testdescs: print("running all tests") testdescs = orig tests = [self._gettest(d, i) for i, d in enumerate(testdescs)] failed = False warned = False kws = self.options.keywords if kws is not None and PYTHON3: kws = kws.encode('utf-8') suite = TestSuite(self._testdir, jobs=self.options.jobs, whitelist=self.options.whitelisted, blacklist=self.options.blacklist, retest=self.options.retest, keywords=kws, loop=self.options.loop, runs_per_test=self.options.runs_per_test, showchannels=self.options.showchannels, tests=tests, loadtest=_reloadtest) verbosity = 1 if self.options.verbose: verbosity = 2 runner = TextTestRunner(self, verbosity=verbosity) result = runner.run(suite) if result.failures: failed = True if result.warned: warned = True if self.options.anycoverage: self._outputcoverage() except KeyboardInterrupt: failed = True print("\ninterrupted!") if failed: return 1 if warned: return 80 def _getport(self, count): port = self._ports.get(count) # do we have a cached entry? if port is None: portneeded = 3 # above 100 tries we just give up and let test reports failure for tries in xrange(100): allfree = True port = self.options.port + self._portoffset for idx in xrange(portneeded): if not checkportisavailable(port + idx): allfree = False break self._portoffset += portneeded if allfree: break self._ports[count] = port return port def _gettest(self, testdesc, count): """Obtain a Test by looking at its filename. Returns a Test instance. The Test may not be runnable if it doesn't map to a known type. """ path = testdesc['path'] lctest = path.lower() testcls = Test for ext, cls in self.TESTTYPES: if lctest.endswith(ext): testcls = cls break refpath = os.path.join(self._testdir, path) tmpdir = os.path.join(self._hgtmp, b'child%d' % count) # extra keyword parameters. 'case' is used by .t tests kwds = dict((k, testdesc[k]) for k in ['case'] if k in testdesc) t = testcls(refpath, tmpdir, keeptmpdir=self.options.keep_tmpdir, debug=self.options.debug, timeout=self.options.timeout, startport=self._getport(count), extraconfigopts=self.options.extra_config_opt, py3kwarnings=self.options.py3k_warnings, shell=self.options.shell, hgcommand=self._hgcommand, usechg=bool(self.options.with_chg or self.options.chg), useipv6=useipv6, **kwds) t.should_reload = True return t def _cleanup(self): """Clean up state from this test invocation.""" if self.options.keep_tmpdir: return vlog("# Cleaning up HGTMP", self._hgtmp) shutil.rmtree(self._hgtmp, True) for f in self._createdfiles: try: os.remove(f) except OSError: pass def _usecorrectpython(self): """Configure the environment to use the appropriate Python in tests.""" # Tests must use the same interpreter as us or bad things will happen. pyexename = sys.platform == 'win32' and b'python.exe' or b'python' if getattr(os, 'symlink', None): vlog("# Making python executable in test path a symlink to '%s'" % sys.executable) mypython = os.path.join(self._tmpbindir, pyexename) try: if os.readlink(mypython) == sys.executable: return os.unlink(mypython) except OSError as err: if err.errno != errno.ENOENT: raise if self._findprogram(pyexename) != sys.executable: try: os.symlink(sys.executable, mypython) self._createdfiles.append(mypython) except OSError as err: # child processes may race, which is harmless if err.errno != errno.EEXIST: raise else: exedir, exename = os.path.split(sys.executable) vlog("# Modifying search path to find %s as %s in '%s'" % (exename, pyexename, exedir)) path = os.environ['PATH'].split(os.pathsep) while exedir in path: path.remove(exedir) os.environ['PATH'] = os.pathsep.join([exedir] + path) if not self._findprogram(pyexename): print("WARNING: Cannot find %s in search path" % pyexename) def _installhg(self): """Install hg into the test environment. This will also configure hg with the appropriate testing settings. """ vlog("# Performing temporary installation of HG") installerrs = os.path.join(self._hgtmp, b"install.err") compiler = '' if self.options.compiler: compiler = '--compiler ' + self.options.compiler if self.options.pure: pure = b"--pure" else: pure = b"" # Run installer in hg root script = os.path.realpath(sys.argv[0]) exe = sys.executable if PYTHON3: compiler = _bytespath(compiler) script = _bytespath(script) exe = _bytespath(exe) hgroot = os.path.dirname(os.path.dirname(script)) self._hgroot = hgroot os.chdir(hgroot) nohome = b'--home=""' if os.name == 'nt': # The --home="" trick works only on OS where os.sep == '/' # because of a distutils convert_path() fast-path. Avoid it at # least on Windows for now, deal with .pydistutils.cfg bugs # when they happen. nohome = b'' cmd = (b'%(exe)s setup.py %(pure)s clean --all' b' build %(compiler)s --build-base="%(base)s"' b' install --force --prefix="%(prefix)s"' b' --install-lib="%(libdir)s"' b' --install-scripts="%(bindir)s" %(nohome)s >%(logfile)s 2>&1' % {b'exe': exe, b'pure': pure, b'compiler': compiler, b'base': os.path.join(self._hgtmp, b"build"), b'prefix': self._installdir, b'libdir': self._pythondir, b'bindir': self._bindir, b'nohome': nohome, b'logfile': installerrs}) # setuptools requires install directories to exist. def makedirs(p): try: os.makedirs(p) except OSError as e: if e.errno != errno.EEXIST: raise makedirs(self._pythondir) makedirs(self._bindir) vlog("# Running", cmd) if os.system(cmd) == 0: if not self.options.verbose: try: os.remove(installerrs) except OSError as e: if e.errno != errno.ENOENT: raise else: f = open(installerrs, 'rb') for line in f: if PYTHON3: sys.stdout.buffer.write(line) else: sys.stdout.write(line) f.close() sys.exit(1) os.chdir(self._testdir) self._usecorrectpython() if self.options.py3k_warnings and not self.options.anycoverage: vlog("# Updating hg command to enable Py3k Warnings switch") f = open(os.path.join(self._bindir, 'hg'), 'rb') lines = [line.rstrip() for line in f] lines[0] += ' -3' f.close() f = open(os.path.join(self._bindir, 'hg'), 'wb') for line in lines: f.write(line + '\n') f.close() hgbat = os.path.join(self._bindir, b'hg.bat') if os.path.isfile(hgbat): # hg.bat expects to be put in bin/scripts while run-tests.py # installation layout put it in bin/ directly. Fix it f = open(hgbat, 'rb') data = f.read() f.close() if b'"%~dp0..\python" "%~dp0hg" %*' in data: data = data.replace(b'"%~dp0..\python" "%~dp0hg" %*', b'"%~dp0python" "%~dp0hg" %*') f = open(hgbat, 'wb') f.write(data) f.close() else: print('WARNING: cannot fix hg.bat reference to python.exe') if self.options.anycoverage: custom = os.path.join(self._testdir, 'sitecustomize.py') target = os.path.join(self._pythondir, 'sitecustomize.py') vlog('# Installing coverage trigger to %s' % target) shutil.copyfile(custom, target) rc = os.path.join(self._testdir, '.coveragerc') vlog('# Installing coverage rc to %s' % rc) os.environ['COVERAGE_PROCESS_START'] = rc covdir = os.path.join(self._installdir, '..', 'coverage') try: os.mkdir(covdir) except OSError as e: if e.errno != errno.EEXIST: raise os.environ['COVERAGE_DIR'] = covdir def _checkhglib(self, verb): """Ensure that the 'mercurial' package imported by python is the one we expect it to be. If not, print a warning to stderr.""" if ((self._bindir == self._pythondir) and (self._bindir != self._tmpbindir)): # The pythondir has been inferred from --with-hg flag. # We cannot expect anything sensible here. return expecthg = os.path.join(self._pythondir, b'mercurial') actualhg = self._gethgpath() if os.path.abspath(actualhg) != os.path.abspath(expecthg): sys.stderr.write('warning: %s with unexpected mercurial lib: %s\n' ' (expected %s)\n' % (verb, actualhg, expecthg)) def _gethgpath(self): """Return the path to the mercurial package that is actually found by the current Python interpreter.""" if self._hgpath is not None: return self._hgpath cmd = b'%s -c "import mercurial; print (mercurial.__path__[0])"' cmd = cmd % PYTHON if PYTHON3: cmd = _strpath(cmd) pipe = os.popen(cmd) try: self._hgpath = _bytespath(pipe.read().strip()) finally: pipe.close() return self._hgpath def _installchg(self): """Install chg into the test environment""" vlog('# Performing temporary installation of CHG') assert os.path.dirname(self._bindir) == self._installdir assert self._hgroot, 'must be called after _installhg()' cmd = (b'"%(make)s" clean install PREFIX="%(prefix)s"' % {b'make': 'make', # TODO: switch by option or environment? b'prefix': self._installdir}) cwd = os.path.join(self._hgroot, b'contrib', b'chg') vlog("# Running", cmd) proc = subprocess.Popen(cmd, shell=True, cwd=cwd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) out, _err = proc.communicate() if proc.returncode != 0: if PYTHON3: sys.stdout.buffer.write(out) else: sys.stdout.write(out) sys.exit(1) def _outputcoverage(self): """Produce code coverage output.""" import coverage coverage = coverage.coverage vlog('# Producing coverage report') # chdir is the easiest way to get short, relative paths in the # output. os.chdir(self._hgroot) covdir = os.path.join(self._installdir, '..', 'coverage') cov = coverage(data_file=os.path.join(covdir, 'cov')) # Map install directory paths back to source directory. cov.config.paths['srcdir'] = ['.', self._pythondir] cov.combine() omit = [os.path.join(x, '*') for x in [self._bindir, self._testdir]] cov.report(ignore_errors=True, omit=omit) if self.options.htmlcov: htmldir = os.path.join(self._testdir, 'htmlcov') cov.html_report(directory=htmldir, omit=omit) if self.options.annotate: adir = os.path.join(self._testdir, 'annotated') if not os.path.isdir(adir): os.mkdir(adir) cov.annotate(directory=adir, omit=omit) def _findprogram(self, program): """Search PATH for a executable program""" dpb = _bytespath(os.defpath) sepb = _bytespath(os.pathsep) for p in osenvironb.get(b'PATH', dpb).split(sepb): name = os.path.join(p, program) if os.name == 'nt' or os.access(name, os.X_OK): return name return None def _checktools(self): """Ensure tools required to run tests are present.""" for p in self.REQUIREDTOOLS: if os.name == 'nt' and not p.endswith('.exe'): p += '.exe' found = self._findprogram(p) if found: vlog("# Found prerequisite", p, "at", found) else: print("WARNING: Did not find prerequisite tool: %s " % p.decode("utf-8")) if __name__ == '__main__': runner = TestRunner() try: import msvcrt msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY) msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY) except ImportError: pass sys.exit(runner.run(sys.argv[1:]))