When failing to load an extension, show where Hg tried to load it from.
#!/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, incorporated herein by reference.
import difflib
import errno
import optparse
import os
import popen2
import re
import shutil
import signal
import sys
import tempfile
import time
# reserved exit code to skip test (used by hghave)
SKIPPED_STATUS = 80
SKIPPED_PREFIX = 'skipped: '
required_tools = ["python", "diff", "grep", "unzip", "gunzip", "bunzip2", "sed"]
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")
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")
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")
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("--with-hg", type="string",
help="test existing install at given location")
parser.set_defaults(jobs=1, port=20059, timeout=180)
(options, args) = parser.parse_args()
verbose = options.verbose
coverage = options.cover or options.cover_stdlib or options.annotate
python = sys.executable
if options.jobs < 1:
print >> sys.stderr, 'ERROR: -j/--jobs must be positive'
sys.exit(1)
if options.interactive and options.jobs > 1:
print >> sys.stderr, 'ERROR: cannot mix -interactive and --jobs > 1'
sys.exit(1)
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 vlog(*msg):
if verbose:
for m in msg:
print m,
print
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 extract_missing_features(lines):
'''Extract missing/unknown features log lines as a list'''
missing = []
for line in lines:
if not line.startswith(SKIPPED_PREFIX):
continue
line = line.splitlines()[0]
missing.append(line[len(SKIPPED_PREFIX):])
return missing
def show_diff(expected, output):
for line in difflib.unified_diff(expected, output,
"Expected output", "Test output"):
sys.stdout.write(line)
def find_program(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 check_required_tools():
# Before we go any further, check for pre-requisite tools
# stuff from coreutils (cat, rm, etc) are not tested
for p in required_tools:
if os.name == 'nt':
p += '.exe'
found = find_program(p)
if found:
vlog("# Found prerequisite", p, "at", found)
else:
print "WARNING: Did not find prerequisite tool: "+p
def cleanup_exit():
if verbose:
print "# Cleaning up HGTMP", HGTMP
shutil.rmtree(HGTMP, True)
def use_correct_python():
# 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 = find_program('python')
if os.path.dirname(path) == exedir:
return
vlog('# Making python executable in test path use correct Python')
my_python = os.path.join(BINDIR, 'python')
try:
os.symlink(sys.executable, my_python)
except AttributeError:
# windows fallback
shutil.copyfile(sys.executable, my_python)
shutil.copymode(sys.executable, my_python)
def install_hg():
global python
vlog("# Performing temporary installation of HG")
installerrs = os.path.join("tests", "install.err")
# Run installer in hg root
os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..'))
cmd = ('%s setup.py clean --all'
' install --force --home="%s" --install-lib="%s"'
' --install-scripts="%s" >%s 2>&1'
% (sys.executable, INST, PYTHONDIR, BINDIR, installerrs))
vlog("# Running", cmd)
if os.system(cmd) == 0:
if not 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
use_correct_python()
if coverage:
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", "%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)
python = '"%s" "%s" -x' % (sys.executable,
os.path.join(TESTDIR,'coverage.py'))
def output_coverage():
vlog("# Producing coverage report")
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)
os.chdir(PYTHONDIR)
cmd = '"%s" "%s" -i -r "--omit=%s"' % (
sys.executable, os.path.join(TESTDIR, 'coverage.py'), omit)
vlog("# Running: "+cmd)
os.system(cmd)
if options.annotate:
adir = os.path.join(TESTDIR, 'annotated')
if not os.path.isdir(adir):
os.mkdir(adir)
cmd = '"%s" "%s" -i -a "--directory=%s" "--omit=%s"' % (
sys.executable, os.path.join(TESTDIR, 'coverage.py'),
adir, omit)
vlog("# Running: "+cmd)
os.system(cmd)
class Timeout(Exception):
pass
def alarmed(signum, frame):
raise Timeout
def run(cmd):
"""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':
tochild, fromchild = os.popen4(cmd)
tochild.close()
output = fromchild.read()
ret = fromchild.close()
if ret == None:
ret = 0
else:
proc = popen2.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 run_one(test, skips):
'''tristate output:
None -> skipped
True -> passed
False -> failed'''
def skip(msg):
if not verbose:
skips.append((test, msg))
else:
print "\nSkipping %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('debugrawcommit = -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.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)
vlog("# Ret was:", ret)
if options.timeout > 0:
signal.alarm(0)
skipped = (ret == SKIPPED_STATUS)
diffret = 0
# If reference output file exists, check test output against it
if os.path.exists(ref):
f = open(ref, "r")
ref_out = splitnewlines(f.read())
f.close()
else:
ref_out = []
if not skipped and out != ref_out:
diffret = 1
print "\nERROR: %s output changed" % (test)
show_diff(ref_out, out)
if skipped:
missing = extract_missing_features(out)
if not missing:
missing = ['irrelevant']
skip(missing[-1])
elif ret:
print "\nERROR: %s failed with error code %d" % (test, ret)
elif diffret:
ret = diffret
if not verbose:
sys.stdout.write(skipped and 's' or '.')
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)
shutil.rmtree(tmpd, True)
if skipped:
return None
return ret == 0
if not options.child:
os.umask(022)
check_required_tools()
# 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>"
TESTDIR = os.environ["TESTDIR"] = os.getcwd()
HGTMP = os.environ['HGTMP'] = 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.path.join(INST, "bin")
PYTHONDIR = os.path.join(INST, "lib", "python")
COVERAGE_FILE = os.path.join(TESTDIR, ".coverage")
def run_children(tests):
if not options.with_hg:
install_hg()
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 j in xrange(options.jobs):
if not tests: break
jobs[j].append(tests.pop())
fps = {}
for j in xrange(len(jobs)):
job = jobs[j]
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 = []
while fps:
pid, status = os.wait()
fp = fps.pop(pid)
l = fp.read().splitlines()
test, skip, fail = map(int, l[:3])
for s in l[3:]:
skips.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])
print "# Ran %d tests, %d skipped, %d failed." % (
tested, skipped, failed)
sys.exit(failures != 0)
def run_tests(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:
install_hg()
if options.timeout > 0:
try:
signal.signal(signal.SIGALRM, alarmed)
vlog('# Running tests 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 = []
for test in tests:
if options.retest and not os.path.exists(test + ".err"):
skipped += 1
continue
ret = run_one(test, skips)
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
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)
fp.close()
else:
print
for s in skips:
print "Skipped %s: %s" % s
print "# Ran %d tests, %d skipped, %d failed." % (
tested, skipped, failed)
if coverage:
output_coverage()
except KeyboardInterrupt:
failed = True
print "\ninterrupted!"
if failed:
sys.exit(1)
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)
vlog("# Using TESTDIR", TESTDIR)
vlog("# Using HGTMP", HGTMP)
try:
if len(tests) > 1 and options.jobs > 1:
run_children(tests)
else:
run_tests(tests)
finally:
cleanup_exit()