test_ok2/py/test/rsession/rsession.py

325 lines
11 KiB
Python

""" Remote session base class
"""
import os
import py
import sys
import re
import time
from py.__.test.rsession import report
from py.__.test.rsession.master import \
setup_slave, MasterNode, dispatch_loop, itemgen, randomgen
from py.__.test.rsession.hostmanage import init_hosts, teardown_hosts, HostInfo
from py.__.test.rsession.local import local_loop, plain_runner, apigen_runner,\
box_runner, RunnerPolicy
from py.__.test.rsession.reporter import LocalReporter, RemoteReporter
class RemoteOptions(object):
def __init__(self, d):
self.d = d
def __getattr__(self, attr):
if attr == 'd':
return self.__dict__['d']
return self.d[attr]
def __setitem__(self, item, val):
self.d[item] = val
# XXX: Must be initialised somehow
remote_options = RemoteOptions({'we_are_remote':False})
class SessionOptions:
defaults = {
'max_tasks_per_node' : 15,
'runner_policy' : 'plain_runner',
'nice_level' : 0,
'waittime' : 100.0,
'import_pypy' : False,
}
config = None
def getvalue(self, opt):
try:
return getattr(self.config.getvalue('SessionOptions'), opt)
except (KeyError, AttributeError):
try:
return self.defaults[opt]
except KeyError:
raise AttributeError("Option %s undeclared" % opt)
def bind_config(self, config):
self.config = config
# copy to remote session options
try:
ses_opt = self.config.getvalue('SessionOptions').__dict__
except KeyError:
ses_opt = self.defaults
for key in self.defaults:
try:
val = ses_opt[key]
except KeyError:
val = self.defaults[key]
remote_options[key] = val
# copy to remote all options
for item, val in config.option.__dict__.items():
remote_options[item] = val
def __repr__(self):
return "<SessionOptions %s>" % self.config
def __getattr__(self, attr):
if self.config is None:
raise AttributeError("Need to set up config first")
return self.getvalue(attr)
session_options = SessionOptions()
class AbstractSession(object):
"""
An abstract session executes collectors/items through a runner.
"""
def __init__(self, config, optimise_localhost=True):
self.config = config
self.optimise_localhost = optimise_localhost
def make_colitems(paths, baseon):
# we presume that from the base we can simply get to
# the target paths by joining the basenames
res = []
for x in paths:
x = py.path.local(x)
current = py.test.collect.Directory(baseon)
relparts = x.relto(baseon).split(x.sep)
assert relparts
for part in relparts:
next = current.join(part)
assert next is not None, (current, part)
current = next
res.append(current)
return res
make_colitems = staticmethod(make_colitems)
def getpkgdir(path):
path = py.path.local(path)
pkgpath = path.pypkgpath()
if pkgpath is None:
pkgpath = path
return pkgpath
getpkgdir = staticmethod(getpkgdir)
def init_reporter(self, reporter, sshhosts, reporter_class, arg=""):
startserverflag = self.config.option.startserver
restflag = self.config.option.restreport
if startserverflag and reporter is None:
from py.__.test.rsession.web import start_server, exported_methods
reporter = exported_methods.report
start_server()
if self.config.option.runbrowser:
import webbrowser
webbrowser.open("http://localhost:8000")
elif reporter is None:
if restflag:
from py.__.test.rsession.rest import RestReporter
reporter_class = RestReporter
if arg:
reporter_instance = reporter_class(self.config, sshhosts, self.getpkgdir(arg))
else:
reporter_instance = reporter_class(self.config, sshhosts)
reporter = reporter_instance.report
else:
startserverflag = False
return reporter, startserverflag
def reporterror(reporter, data):
excinfo, item = data
if excinfo is None:
reporter(report.ItemStart(item))
elif excinfo.type is py.test.Item.Skipped:
reporter(report.SkippedTryiter(excinfo, item))
else:
reporter(report.FailedTryiter(excinfo, item))
reporterror = staticmethod(reporterror)
def kill_server(self, startserverflag):
if startserverflag:
from py.__.test.rsession.web import kill_server
kill_server()
def wrap_reporter(self, reporter):
""" We wrap reporter around, which makes it possible to us to track
number of failures
"""
self.was_failure = False
def new_reporter(event):
if isinstance(event, report.ReceivedItemOutcome) and \
not event.outcome.passed and \
not event.outcome.skipped:
self.was_failure = True
return reporter(event)
checkfun = lambda : self.config.option.exitfirst and \
self.was_failure
# for tests
self.checkfun = checkfun
return new_reporter, checkfun
def parse_directories(sshhosts):
directories = {}
for host in sshhosts:
m = re.match("^(.*?):(.*)$", host.hostname)
if m:
host.hostname = m.group(1)
host.relpath = m.group(2) + "-" + host.hostname
else:
host.relpath = "pytestcache-%s" % host.hostname
class RSession(AbstractSession):
""" Remote version of session
"""
def main(self, reporter=None):
""" main loop for running tests. """
args = self.config.remaining
session_options.bind_config(self.config)
sshhosts, remotepython, rsync_roots = self.read_distributed_config()
reporter, startserverflag = self.init_reporter(reporter,
sshhosts, RemoteReporter)
reporter, checkfun = self.wrap_reporter(reporter)
reporter(report.TestStarted(sshhosts))
pkgdir = self.getpkgdir(args[0])
done_dict = {}
nodes = init_hosts(reporter, sshhosts, pkgdir,
rsync_roots, remotepython, remote_options=remote_options.d,
optimise_localhost=self.optimise_localhost, done_dict=done_dict)
reporter(report.RsyncFinished())
try:
self.dispatch_tests(nodes, args, pkgdir, reporter, checkfun, done_dict)
finally:
teardown_hosts(reporter, [node.channel for node in nodes], nodes,
exitfirst=self.config.option.exitfirst)
reporter(report.Nodes(nodes))
retval = reporter(report.TestFinished())
self.kill_server(startserverflag)
return retval
def read_distributed_config(self):
try:
rsync_roots = self.config.getvalue("distrsync_roots")
except:
rsync_roots = None # all files and directories in the pkgdir
sshhosts = [HostInfo(i) for i in
self.config.getvalue("disthosts")]
parse_directories(sshhosts)
try:
remotepython = self.config.getvalue("dist_remotepython")
except:
remotepython = None
return sshhosts, remotepython, rsync_roots
def dispatch_tests(self, nodes, args, pkgdir, reporter, checkfun, done_dict):
colitems = self.make_colitems(args, baseon=pkgdir.dirpath())
keyword = self.config.option.keyword
itemgenerator = itemgen(colitems, reporter, keyword, self.reporterror)
all_tests = dispatch_loop(nodes, itemgenerator, checkfun)
#if all_tests:
# todo = {}
# for key, value in all_tests.items():
# if key not in done_dict:
# todo[key] = True
# rg = randomgen(todo, done_dict)
# dispatch_loop(nodes, rg, lambda:False, max_tasks_per_node=1)
class LSession(AbstractSession):
""" Local version of session
"""
def main(self, reporter=None, runner=None):
# check out if used options makes any sense
args = self.config.remaining
sshhosts = [HostInfo('localhost')] # this is just an info to reporter
if not self.config.option.nomagic:
py.magic.invoke(assertion=1)
session_options.bind_config(self.config)
reporter, startserverflag = self.init_reporter(reporter,
sshhosts, LocalReporter, args[0])
reporter, checkfun = self.wrap_reporter(reporter)
reporter(report.TestStarted(sshhosts))
pkgdir = self.getpkgdir(args[0])
colitems = self.make_colitems(args, baseon=pkgdir.dirpath())
reporter(report.RsyncFinished())
if runner is None:
runner = self.init_runner(pkgdir)
keyword = self.config.option.keyword
itemgenerator = itemgen(colitems, reporter, keyword, self.reporterror)
local_loop(self, reporter, itemgenerator, checkfun, self.config, runner=runner)
retval = reporter(report.TestFinished())
self.kill_server(startserverflag)
if not self.config.option.nomagic:
py.magic.revoke(assertion=1)
self.write_docs(pkgdir)
return retval
def write_docs(self, pkgdir):
if self.config.option.apigen:
from py.__.apigen.tracer.docstorage import DocStorageAccessor
apigen = py.path.local(self.config.option.apigen).pyimport()
print >>sys.stderr, 'building documentation'
capture = py.io.OutErrCapture()
try:
try:
apigen.build(pkgdir, DocStorageAccessor(self.docstorage))
except (ValueError, AttributeError):
#import traceback
#exc, e, tb = sys.exc_info()
#print '%s - %s' % (exc, e)
#print ''.join(traceback.format_tb(tb))
#del tb
#print '-' * 79
raise NotImplementedError("Provided script does not seem "
"to contain build function")
finally:
capture.reset()
def init_runner(self, pkgdir):
if self.config.option.apigen:
from py.__.apigen.tracer.tracer import Tracer, DocStorage
module = py
try:
apigen = py.path.local(self.config.option.apigen).pyimport()
items = apigen.get_documentable_items(pkgdir)
if isinstance(items, dict):
self.docstorage = DocStorage().from_dict(items)
else:
self.docstorage = DocStorage().from_pkg(items)
except ImportError:
raise ImportError("Provided script cannot be imported")
except (ValueError, AttributeError):
raise NotImplementedError("Provided script does not seem "
"to contain get_documentable_items")
self.tracer = Tracer(self.docstorage)
return apigen_runner
else:
return RunnerPolicy[session_options.runner_policy]