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import unittest
try:
import Queue
except:
import queue as Queue #@UnresolvedImport
from pydevd_constants import * #@UnusedWildImport
import pydev_runfiles_xml_rpc
import time
import os
#=======================================================================================================================
# FlattenTestSuite
#=======================================================================================================================
def FlattenTestSuite(test_suite, ret):
if isinstance(test_suite, unittest.TestSuite):
for t in test_suite._tests:
FlattenTestSuite(t, ret)
elif isinstance(test_suite, unittest.TestCase):
ret.append(test_suite)
#=======================================================================================================================
# ExecuteTestsInParallel
#=======================================================================================================================
def ExecuteTestsInParallel(tests, jobs, split, verbosity, coverage_files, coverage_include):
'''
@param tests: list(PydevTestSuite)
A list with the suites to be run
@param split: str
Either 'module' or the number of tests that should be run in each batch
@param coverage_files: list(file)
A list with the files that should be used for giving coverage information (if empty, coverage information
should not be gathered).
@param coverage_include: str
The pattern that should be included in the coverage.
@return: bool
Returns True if the tests were actually executed in parallel. If the tests were not executed because only 1
should be used (e.g.: 2 jobs were requested for running 1 test), False will be returned and no tests will be
run.
It may also return False if in debug mode (in which case, multi-processes are not accepted)
'''
try:
from pydevd_comm import GetGlobalDebugger
if GetGlobalDebugger() is not None:
return False
except:
pass #Ignore any error here.
#This queue will receive the tests to be run. Each entry in a queue is a list with the tests to be run together When
#split == 'tests', each list will have a single element, when split == 'module', each list will have all the tests
#from a given module.
tests_queue = []
queue_elements = []
if split == 'module':
module_to_tests = {}
for test in tests:
lst = []
FlattenTestSuite(test, lst)
for test in lst:
key = (test.__pydev_pyfile__, test.__pydev_module_name__)
module_to_tests.setdefault(key, []).append(test)
for key, tests in module_to_tests.items():
queue_elements.append(tests)
if len(queue_elements) < jobs:
#Don't create jobs we will never use.
jobs = len(queue_elements)
elif split == 'tests':
for test in tests:
lst = []
FlattenTestSuite(test, lst)
for test in lst:
queue_elements.append([test])
if len(queue_elements) < jobs:
#Don't create jobs we will never use.
jobs = len(queue_elements)
else:
raise AssertionError('Do not know how to handle: %s' % (split,))
for test_cases in queue_elements:
test_queue_elements = []
for test_case in test_cases:
try:
test_name = test_case.__class__.__name__+"."+test_case._testMethodName
except AttributeError:
#Support for jython 2.1 (__testMethodName is pseudo-private in the test case)
test_name = test_case.__class__.__name__+"."+test_case._TestCase__testMethodName
test_queue_elements.append(test_case.__pydev_pyfile__+'|'+test_name)
tests_queue.append(test_queue_elements)
if jobs < 2:
return False
sys.stdout.write('Running tests in parallel with: %s jobs.\n' %(jobs,))
queue = Queue.Queue()
for item in tests_queue:
queue.put(item, block=False)
providers = []
clients = []
for i in range(jobs):
test_cases_provider = CommunicationThread(queue)
providers.append(test_cases_provider)
test_cases_provider.start()
port = test_cases_provider.port
if coverage_files:
clients.append(ClientThread(i, port, verbosity, coverage_files.pop(0), coverage_include))
else:
clients.append(ClientThread(i, port, verbosity))
for client in clients:
client.start()
client_alive = True
while client_alive:
client_alive = False
for client in clients:
#Wait for all the clients to exit.
if not client.finished:
client_alive = True
time.sleep(.2)
break
for provider in providers:
provider.shutdown()
return True
#=======================================================================================================================
# CommunicationThread
#=======================================================================================================================
class CommunicationThread(threading.Thread):
def __init__(self, tests_queue):
threading.Thread.__init__(self)
self.setDaemon(True)
self.queue = tests_queue
self.finished = False
from pydev_imports import SimpleXMLRPCServer
# This is a hack to patch slow socket.getfqdn calls that
# BaseHTTPServer (and its subclasses) make.
# See: http://bugs.python.org/issue6085
# See: http://www.answermysearches.com/xmlrpc-server-slow-in-python-how-to-fix/2140/
try:
import BaseHTTPServer
def _bare_address_string(self):
host, port = self.client_address[:2]
return '%s' % host
BaseHTTPServer.BaseHTTPRequestHandler.address_string = _bare_address_string
except:
pass
# End hack.
# Create server
import pydev_localhost
server = SimpleXMLRPCServer((pydev_localhost.get_localhost(), 0), logRequests=False)
server.register_function(self.GetTestsToRun)
server.register_function(self.notifyStartTest)
server.register_function(self.notifyTest)
server.register_function(self.notifyCommands)
self.port = server.socket.getsockname()[1]
self.server = server
def GetTestsToRun(self, job_id):
'''
@param job_id:
@return: list(str)
Each entry is a string in the format: filename|Test.testName
'''
try:
ret = self.queue.get(block=False)
return ret
except: #Any exception getting from the queue (empty or not) means we finished our work on providing the tests.
self.finished = True
return []
def notifyCommands(self, job_id, commands):
#Batch notification.
for command in commands:
getattr(self, command[0])(job_id, *command[1], **command[2])
return True
def notifyStartTest(self, job_id, *args, **kwargs):
pydev_runfiles_xml_rpc.notifyStartTest(*args, **kwargs)
return True
def notifyTest(self, job_id, *args, **kwargs):
pydev_runfiles_xml_rpc.notifyTest(*args, **kwargs)
return True
def shutdown(self):
if hasattr(self.server, 'shutdown'):
self.server.shutdown()
else:
self._shutdown = True
def run(self):
if hasattr(self.server, 'shutdown'):
self.server.serve_forever()
else:
self._shutdown = False
while not self._shutdown:
self.server.handle_request()
#=======================================================================================================================
# Client
#=======================================================================================================================
class ClientThread(threading.Thread):
def __init__(self, job_id, port, verbosity, coverage_output_file=None, coverage_include=None):
threading.Thread.__init__(self)
self.setDaemon(True)
self.port = port
self.job_id = job_id
self.verbosity = verbosity
self.finished = False
self.coverage_output_file = coverage_output_file
self.coverage_include = coverage_include
def _reader_thread(self, pipe, target):
while True:
target.write(pipe.read(1))
def run(self):
try:
import pydev_runfiles_parallel_client
#TODO: Support Jython:
#
#For jython, instead of using sys.executable, we should use:
#r'D:\bin\jdk_1_5_09\bin\java.exe',
#'-classpath',
#'D:/bin/jython-2.2.1/jython.jar',
#'org.python.util.jython',
args = [
sys.executable,
pydev_runfiles_parallel_client.__file__,
str(self.job_id),
str(self.port),
str(self.verbosity),
]
if self.coverage_output_file and self.coverage_include:
args.append(self.coverage_output_file)
args.append(self.coverage_include)
import subprocess
if False:
proc = subprocess.Popen(args, env=os.environ, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout_thread = threading.Thread(target=self._reader_thread,args=(proc.stdout, sys.stdout))
stdout_thread.setDaemon(True)
stdout_thread.start()
stderr_thread = threading.Thread(target=self._reader_thread,args=(proc.stderr, sys.stderr))
stderr_thread.setDaemon(True)
stderr_thread.start()
else:
proc = subprocess.Popen(args, env=os.environ, shell=False)
proc.wait()
finally:
self.finished = True
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