Mercurial > hg
view tests/run-tests.py @ 8673:a8066f2fd1aa
run-tests: fix _checkhglib() so it's correct when using --with-hg.
Since this makes the warning less likely, upgrade it to a "real"
warning to stderr.
author | Greg Ward <greg-hg@gerg.ca> |
---|---|
date | Fri, 29 May 2009 22:18:16 -0400 |
parents | d6b243731763 |
children | 0941ee76489e |
line wrap: on
line source
#!/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, incorporated herein by reference. import difflib import errno import optparse import os import subprocess import shutil import signal import sys import tempfile import time closefds = os.name == 'posix' def Popen4(cmd, bufsize=-1): p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, close_fds=closefds, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) p.fromchild = p.stdout p.tochild = p.stdin p.childerr = p.stderr return p # reserved exit code to skip test (used by hghave) SKIPPED_STATUS = 80 SKIPPED_PREFIX = 'skipped: ' FAILED_PREFIX = 'hghave check failed: ' PYTHON = sys.executable hgpkg = None requiredtools = ["python", "diff", "grep", "unzip", "gunzip", "bunzip2", "sed"] defaults = { 'jobs': ('HGTEST_JOBS', 1), 'timeout': ('HGTEST_TIMEOUT', 180), 'port': ('HGTEST_PORT', 20059), } def parseargs(): parser = optparse.OptionParser("%prog [options] [tests]") parser.add_option("-C", "--annotate", action="store_true", help="output files annotated with coverage") parser.add_option("--child", type="int", help="run as child process, summary to given fd") parser.add_option("-c", "--cover", action="store_true", help="print a test coverage report") parser.add_option("-f", "--first", action="store_true", help="exit on the first test failure") 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" " (best used with --tmpdir)") parser.add_option("-R", "--restart", action="store_true", help="restart at last error") parser.add_option("-p", "--port", type="int", help="port on which servers should listen" " (default: $%s or %d)" % defaults['port']) parser.add_option("-r", "--retest", action="store_true", help="retest failed tests") parser.add_option("-s", "--cover_stdlib", action="store_true", help="print a test coverage report inc. standard libraries") parser.add_option("-t", "--timeout", type="int", help="kill errant tests after TIMEOUT seconds" " (default: $%s or %d)" % defaults['timeout']) parser.add_option("--tmpdir", type="string", help="run tests in the given temporary directory") parser.add_option("-v", "--verbose", action="store_true", help="output verbose messages") parser.add_option("-n", "--nodiff", action="store_true", help="skip showing test changes") parser.add_option("--with-hg", type="string", help="test existing install at given location") parser.add_option("--pure", action="store_true", help="use pure Python code instead of C extensions") for option, default in defaults.items(): defaults[option] = int(os.environ.get(*default)) parser.set_defaults(**defaults) (options, args) = parser.parse_args() global vlog options.anycoverage = (options.cover or options.cover_stdlib or options.annotate) if options.verbose: if options.jobs > 1 or options.child is not None: pid = "[%d]" % os.getpid() else: pid = None def vlog(*msg): if pid: print pid, for m in msg: print m, print else: vlog = lambda *msg: None if options.jobs < 1: print >> sys.stderr, 'ERROR: -j/--jobs must be positive' sys.exit(1) if options.interactive and options.jobs > 1: print '(--interactive overrides --jobs)' options.jobs = 1 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) def splitnewlines(text): '''like str.splitlines, but only split on newlines. keep line endings.''' i = 0 lines = [] while True: n = text.find('\n', i) if n == -1: last = text[i:] if last: lines.append(last) return lines lines.append(text[i:n+1]) i = n + 1 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(SKIPPED_PREFIX): line = line.splitlines()[0] missing.append(line[len(SKIPPED_PREFIX):]) elif line.startswith(FAILED_PREFIX): line = line.splitlines()[0] failed.append(line[len(FAILED_PREFIX):]) return missing, failed def showdiff(expected, output): for line in difflib.unified_diff(expected, output, "Expected output", "Test output"): sys.stdout.write(line) def findprogram(program): """Search PATH for a executable program""" for p in os.environ.get('PATH', os.defpath).split(os.pathsep): name = os.path.join(p, program) if os.access(name, os.X_OK): return name return None def checktools(): # Before we go any further, check for pre-requisite tools # stuff from coreutils (cat, rm, etc) are not tested for p in requiredtools: if os.name == 'nt': p += '.exe' found = findprogram(p) if found: vlog("# Found prerequisite", p, "at", found) else: print "WARNING: Did not find prerequisite tool: "+p def cleanup(options): if not options.keep_tmpdir: vlog("# Cleaning up HGTMP", HGTMP) shutil.rmtree(HGTMP, True) def usecorrectpython(): # some tests run python interpreter. they must use same # interpreter we use or bad things will happen. exedir, exename = os.path.split(sys.executable) if exename == 'python': path = findprogram('python') if os.path.dirname(path) == exedir: return vlog('# Making python executable in test path use correct Python') mypython = os.path.join(BINDIR, 'python') try: os.symlink(sys.executable, mypython) except AttributeError: # windows fallback shutil.copyfile(sys.executable, mypython) shutil.copymode(sys.executable, mypython) def installhg(options): vlog("# Performing temporary installation of HG") installerrs = os.path.join("tests", "install.err") pure = options.pure and "--pure" or "" # Run installer in hg root os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..')) cmd = ('%s setup.py %s clean --all' ' install --force --prefix="%s" --install-lib="%s"' ' --install-scripts="%s" >%s 2>&1' % (sys.executable, pure, INST, PYTHONDIR, BINDIR, installerrs)) vlog("# Running", cmd) if os.system(cmd) == 0: if not options.verbose: os.remove(installerrs) else: f = open(installerrs) for line in f: print line, f.close() sys.exit(1) os.chdir(TESTDIR) os.environ["PATH"] = "%s%s%s" % (BINDIR, os.pathsep, os.environ["PATH"]) pydir = os.pathsep.join([PYTHONDIR, TESTDIR]) pythonpath = os.environ.get("PYTHONPATH") if pythonpath: pythonpath = pydir + os.pathsep + pythonpath else: pythonpath = pydir os.environ["PYTHONPATH"] = pythonpath usecorrectpython() vlog("# Installing dummy diffstat") f = open(os.path.join(BINDIR, 'diffstat'), 'w') f.write('#!' + sys.executable + '\n' 'import sys\n' 'files = 0\n' 'for line in sys.stdin:\n' ' if line.startswith("diff "):\n' ' files += 1\n' 'sys.stdout.write("files patched: %d\\n" % files)\n') f.close() os.chmod(os.path.join(BINDIR, 'diffstat'), 0700) if options.anycoverage: vlog("# Installing coverage wrapper") os.environ['COVERAGE_FILE'] = COVERAGE_FILE if os.path.exists(COVERAGE_FILE): os.unlink(COVERAGE_FILE) # Create a wrapper script to invoke hg via coverage.py os.rename(os.path.join(BINDIR, "hg"), os.path.join(BINDIR, "_hg.py")) f = open(os.path.join(BINDIR, 'hg'), 'w') f.write('#!' + sys.executable + '\n') f.write('import sys, os; os.execv(sys.executable, [sys.executable, ' '"%s", "-x", "-p", "%s"] + sys.argv[1:])\n' % (os.path.join(TESTDIR, 'coverage.py'), os.path.join(BINDIR, '_hg.py'))) f.close() os.chmod(os.path.join(BINDIR, 'hg'), 0700) def outputcoverage(options): vlog('# Producing coverage report') os.chdir(PYTHONDIR) def covrun(*args): start = sys.executable, os.path.join(TESTDIR, 'coverage.py') cmd = '"%s" "%s" %s' % (start[0], start[1], ' '.join(args)) vlog('# Running: %s' % cmd) os.system(cmd) omit = [BINDIR, TESTDIR, PYTHONDIR] if not options.cover_stdlib: # Exclude as system paths (ignoring empty strings seen on win) omit += [x for x in sys.path if x != ''] omit = ','.join(omit) covrun('-c') # combine from parallel processes covrun('-i', '-r', '"--omit=%s"' % omit) # report if options.annotate: adir = os.path.join(TESTDIR, 'annotated') if not os.path.isdir(adir): os.mkdir(adir) covrun('-i', '-a', '"--directory=%s"' % adir, '"--omit=%s"' % omit) class Timeout(Exception): pass def alarmed(signum, frame): raise Timeout def run(cmd, options): """Run command in a sub-process, capturing the output (stdout and stderr). Return the exist code, and output.""" # TODO: Use subprocess.Popen if we're running on Python 2.4 if os.name == 'nt' or sys.platform.startswith('java'): tochild, fromchild = os.popen4(cmd) tochild.close() output = fromchild.read() ret = fromchild.close() if ret == None: ret = 0 else: proc = Popen4(cmd) try: output = '' proc.tochild.close() output = proc.fromchild.read() ret = proc.wait() if os.WIFEXITED(ret): ret = os.WEXITSTATUS(ret) except Timeout: vlog('# Process %d timed out - killing it' % proc.pid) os.kill(proc.pid, signal.SIGTERM) ret = proc.wait() if ret == 0: ret = signal.SIGTERM << 8 output += ("\n### Abort: timeout after %d seconds.\n" % options.timeout) return ret, splitnewlines(output) def runone(options, test, skips, fails): '''tristate output: None -> skipped True -> passed False -> failed''' def skip(msg): if not options.verbose: skips.append((test, msg)) else: print "\nSkipping %s: %s" % (test, msg) return None def fail(msg): fails.append((test, msg)) if not options.nodiff: print "\nERROR: %s %s" % (test, msg) return None vlog("# Test", test) # create a fresh hgrc hgrc = file(HGRCPATH, 'w+') hgrc.write('[ui]\n') hgrc.write('slash = True\n') hgrc.write('[defaults]\n') hgrc.write('backout = -d "0 0"\n') hgrc.write('commit = -d "0 0"\n') hgrc.write('tag = -d "0 0"\n') hgrc.close() err = os.path.join(TESTDIR, test+".err") ref = os.path.join(TESTDIR, test+".out") testpath = os.path.join(TESTDIR, test) if os.path.exists(err): os.remove(err) # Remove any previous output files # Make a tmp subdirectory to work in tmpd = os.path.join(HGTMP, test) os.mkdir(tmpd) os.chdir(tmpd) try: tf = open(testpath) firstline = tf.readline().rstrip() tf.close() except: firstline = '' lctest = test.lower() if lctest.endswith('.py') or firstline == '#!/usr/bin/env python': cmd = '%s "%s"' % (PYTHON, testpath) elif lctest.endswith('.bat'): # do not run batch scripts on non-windows if os.name != 'nt': return skip("batch script") # To reliably get the error code from batch files on WinXP, # the "cmd /c call" prefix is needed. Grrr cmd = 'cmd /c call "%s"' % testpath else: # do not run shell scripts on windows if os.name == 'nt': return skip("shell script") # do not try to run non-executable programs if not os.path.exists(testpath): return fail("does not exist") elif not os.access(testpath, os.X_OK): return skip("not executable") cmd = '"%s"' % testpath if options.timeout > 0: signal.alarm(options.timeout) vlog("# Running", cmd) ret, out = run(cmd, options) vlog("# Ret was:", ret) if options.timeout > 0: signal.alarm(0) mark = '.' skipped = (ret == SKIPPED_STATUS) # If reference output file exists, check test output against it if os.path.exists(ref): f = open(ref, "r") refout = splitnewlines(f.read()) f.close() else: refout = [] if skipped: mark = 's' missing, failed = parsehghaveoutput(out) if not missing: missing = ['irrelevant'] if failed: fail("hghave failed checking for %s" % failed[-1]) skipped = False else: skip(missing[-1]) elif out != refout: mark = '!' if ret: fail("output changed and returned error code %d" % ret) else: fail("output changed") if not options.nodiff: showdiff(refout, out) ret = 1 elif ret: mark = '!' fail("returned error code %d" % ret) if not options.verbose: sys.stdout.write(mark) sys.stdout.flush() if ret != 0 and not skipped: # Save errors to a file for diagnosis f = open(err, "wb") for line in out: f.write(line) f.close() # Kill off any leftover daemon processes try: fp = file(DAEMON_PIDS) for line in fp: try: pid = int(line) except ValueError: continue try: os.kill(pid, 0) vlog('# Killing daemon process %d' % pid) os.kill(pid, signal.SIGTERM) time.sleep(0.25) os.kill(pid, 0) vlog('# Daemon process %d is stuck - really killing it' % pid) os.kill(pid, signal.SIGKILL) except OSError, err: if err.errno != errno.ESRCH: raise fp.close() os.unlink(DAEMON_PIDS) except IOError: pass os.chdir(TESTDIR) if not options.keep_tmpdir: shutil.rmtree(tmpd, True) if skipped: return None return ret == 0 _hgpath = None def _gethgpath(): """Return the path to the mercurial package that is actually found by the current Python interpreter.""" global _hgpath if _hgpath is not None: return _hgpath cmd = '%s -c "import mercurial; print mercurial.__path__[0]"' pipe = os.popen(cmd % PYTHON) try: _hgpath = pipe.read().strip() finally: pipe.close() return _hgpath def _checkhglib(verb): """Ensure that the 'mercurial' package imported by python is the one we expect it to be. If not, print a warning to stderr.""" expecthg = os.path.join(PYTHONDIR, 'mercurial') actualhg = _gethgpath() if actualhg != expecthg: sys.stderr.write('warning: %s with unexpected mercurial lib: %s\n' ' (expected %s)\n' % (verb, actualhg, expecthg)) def runchildren(options, tests): if not options.with_hg: installhg(options) _checkhglib("Testing") optcopy = dict(options.__dict__) optcopy['jobs'] = 1 optcopy['with_hg'] = INST opts = [] for opt, value in optcopy.iteritems(): name = '--' + opt.replace('_', '-') if value is True: opts.append(name) elif value is not None: opts.append(name + '=' + str(value)) tests.reverse() jobs = [[] for j in xrange(options.jobs)] while tests: for job in jobs: if not tests: break job.append(tests.pop()) fps = {} for j, job in enumerate(jobs): if not job: continue rfd, wfd = os.pipe() childopts = ['--child=%d' % wfd, '--port=%d' % (options.port + j * 3)] cmdline = [PYTHON, sys.argv[0]] + opts + childopts + job vlog(' '.join(cmdline)) fps[os.spawnvp(os.P_NOWAIT, cmdline[0], cmdline)] = os.fdopen(rfd, 'r') os.close(wfd) failures = 0 tested, skipped, failed = 0, 0, 0 skips = [] fails = [] while fps: pid, status = os.wait() fp = fps.pop(pid) l = fp.read().splitlines() test, skip, fail = map(int, l[:3]) split = -fail or len(l) for s in l[3:split]: skips.append(s.split(" ", 1)) for s in l[split:]: fails.append(s.split(" ", 1)) tested += test skipped += skip failed += fail vlog('pid %d exited, status %d' % (pid, status)) failures |= status print for s in skips: print "Skipped %s: %s" % (s[0], s[1]) for s in fails: print "Failed %s: %s" % (s[0], s[1]) _checkhglib("Tested") print "# Ran %d tests, %d skipped, %d failed." % ( tested, skipped, failed) sys.exit(failures != 0) def runtests(options, tests): global DAEMON_PIDS, HGRCPATH DAEMON_PIDS = os.environ["DAEMON_PIDS"] = os.path.join(HGTMP, 'daemon.pids') HGRCPATH = os.environ["HGRCPATH"] = os.path.join(HGTMP, '.hgrc') try: if not options.with_hg: installhg(options) _checkhglib("Testing") if options.timeout > 0: try: signal.signal(signal.SIGALRM, alarmed) vlog('# Running each test with %d second timeout' % options.timeout) except AttributeError: print 'WARNING: cannot run tests with timeouts' options.timeout = 0 tested = 0 failed = 0 skipped = 0 if options.restart: orig = list(tests) while tests: if os.path.exists(tests[0] + ".err"): break tests.pop(0) if not tests: print "running all tests" tests = orig skips = [] fails = [] for test in tests: if options.retest and not os.path.exists(test + ".err"): skipped += 1 continue ret = runone(options, test, skips, fails) if ret is None: skipped += 1 elif not ret: if options.interactive: print "Accept this change? [n] ", answer = sys.stdin.readline().strip() if answer.lower() in "y yes".split(): rename(test + ".err", test + ".out") tested += 1 fails.pop() continue failed += 1 if options.first: break tested += 1 if options.child: fp = os.fdopen(options.child, 'w') fp.write('%d\n%d\n%d\n' % (tested, skipped, failed)) for s in skips: fp.write("%s %s\n" % s) for s in fails: fp.write("%s %s\n" % s) fp.close() else: print for s in skips: print "Skipped %s: %s" % s for s in fails: print "Failed %s: %s" % s _checkhglib("Tested") print "# Ran %d tests, %d skipped, %d failed." % ( tested, skipped, failed) if options.anycoverage: outputcoverage(options) except KeyboardInterrupt: failed = True print "\ninterrupted!" if failed: sys.exit(1) def main(): (options, args) = parseargs() if not options.child: os.umask(022) checktools() # Reset some environment variables to well-known values so that # the tests produce repeatable output. os.environ['LANG'] = os.environ['LC_ALL'] = 'C' os.environ['TZ'] = 'GMT' os.environ["EMAIL"] = "Foo Bar <foo.bar@example.com>" os.environ['CDPATH'] = '' global TESTDIR, HGTMP, INST, BINDIR, PYTHONDIR, COVERAGE_FILE TESTDIR = os.environ["TESTDIR"] = os.getcwd() HGTMP = os.environ['HGTMP'] = os.path.realpath(tempfile.mkdtemp('', 'hgtests.', options.tmpdir)) DAEMON_PIDS = None HGRCPATH = None os.environ["HGEDITOR"] = sys.executable + ' -c "import sys; sys.exit(0)"' os.environ["HGMERGE"] = "internal:merge" os.environ["HGUSER"] = "test" os.environ["HGENCODING"] = "ascii" os.environ["HGENCODINGMODE"] = "strict" os.environ["HGPORT"] = str(options.port) os.environ["HGPORT1"] = str(options.port + 1) os.environ["HGPORT2"] = str(options.port + 2) if options.with_hg: INST = options.with_hg else: INST = os.path.join(HGTMP, "install") BINDIR = os.environ["BINDIR"] = os.path.join(INST, "bin") PYTHONDIR = os.path.join(INST, "lib", "python") COVERAGE_FILE = os.path.join(TESTDIR, ".coverage") if len(args) == 0: args = os.listdir(".") args.sort() tests = [] for test in args: if (test.startswith("test-") and '~' not in test and ('.' not in test or test.endswith('.py') or test.endswith('.bat'))): tests.append(test) if not tests: print "# Ran 0 tests, 0 skipped, 0 failed." return vlog("# Using TESTDIR", TESTDIR) vlog("# Using HGTMP", HGTMP) try: if len(tests) > 1 and options.jobs > 1: runchildren(options, tests) else: runtests(options, tests) finally: cleanup(options) main()