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########################################################################################
# #
# Author: Bertrand Neron, #
# Organization:'Biological Software and Databases' Group, Institut Pasteur, Paris. #
# Distributed under GPLv2 Licence. Please refer to the COPYING.LIB document. #
# #
########################################################################################
import unittest2 as unittest
import os, sys, fcntl, signal
import shutil
from lxml import etree
from time import sleep
MOBYLEHOME = os.path.abspath( os.path.join( os.path.dirname( __file__ ) , "../../../" ) )
os.environ['MOBYLEHOME'] = MOBYLEHOME
if ( MOBYLEHOME ) not in sys.path:
sys.path.append( MOBYLEHOME )
if ( os.path.join( MOBYLEHOME , 'Src' ) ) not in sys.path:
sys.path.append( os.path.join( MOBYLEHOME , 'Src' ) )
import Mobyle.Test.MobyleTest
from Mobyle.StatusManager import StatusManager
from Mobyle.Status import Status
DATADIR = os.path.dirname( __file__ )
def handler(signum, frame):
pass
class StatusManagerTest(unittest.TestCase):
"""Tests the functionalities of Transaction"""
def setUp(self):
"""
setting up the configuration for the test, including:
- test configuration that does not check dns or try to send confirmation emails
- test session email
"""
self.cfg = Mobyle.ConfigManager.Config()
shutil.rmtree(self.cfg.test_dir, ignore_errors=True)
os.makedirs(self.cfg.test_dir)
self.jobKey = "Q12345678901234"
self.jobDir = os.path.join( self.cfg.test_dir , self.jobKey )
os.makedirs( self.jobDir )
self.filename = os.path.join( self.jobDir , StatusManager.file_name )
def tearDown(self):
shutil.rmtree( self.cfg.test_dir , ignore_errors= True )
def testCreation(self):
#create( filename , status )
unknown = Status( code = -1 )
StatusManager.create( self.jobDir , unknown )
doc = etree.parse( self.filename )
root = doc.getroot()
self.assertEqual( root.tag , 'status' )
children = list(root)
self.assertEqual( len( children ) , 2 )
self.assertEqual( children[0].tag , 'value')
self.assertEqual( children[0].text , 'unknown' )
self.assertEqual( children[1].tag , 'message')
self.assertEqual( children[1].text , None )
os.unlink( self.filename )
building = Status( code = 0 )
StatusManager.create( self.jobDir, building )
doc = etree.parse( self.filename )
root = doc.getroot()
self.assertEqual( root.tag , 'status' )
children = list(root)
self.assertEqual( len( children ) , 2 )
self.assertEqual( children[0].tag , 'value')
self.assertEqual( children[0].text , 'building' )
self.assertEqual( children[1].tag , 'message')
self.assertEqual( children[1].text , None )
os.unlink( self.filename )
submitted = Status( code = 1, message= 'test message' )
StatusManager.create( self.jobDir, submitted )
doc = etree.parse( self.filename )
root = doc.getroot()
self.assertEqual( root.tag , 'status' )
children = list(root)
self.assertEqual( len( children ) , 2 )
self.assertEqual( children[0].tag , 'value')
self.assertEqual( children[0].text , 'submitted' )
self.assertEqual( children[1].tag , 'message')
self.assertEqual( children[1].text , 'test message' )
os.unlink( self.filename )
running = Status( string='running' )
StatusManager.create( self.jobDir, running )
doc = etree.parse( self.filename )
root = doc.getroot()
self.assertEqual( root.tag , 'status' )
children = list(root)
self.assertEqual( len( children ) , 2 )
self.assertEqual( children[0].tag , 'value')
self.assertEqual( children[0].text , 'running' )
self.assertEqual( children[1].tag , 'message')
self.assertEqual( children[1].text , None )
os.unlink( self.filename )
def testGetStatus( self ):
running = Status( string='running' )
StatusManager.create( self.jobDir, running )
sm = StatusManager()
recieved_status = sm.getStatus( self.jobDir )
self.assertEqual( recieved_status , running )
os.unlink( self.filename )
killed = Status( string='killed' , message= "your job has been canceled" )
StatusManager.create( self.jobDir, killed )
sm = StatusManager()
recieved_status = sm.getStatus( self.jobDir )
self.assertEqual( recieved_status , killed )
os.unlink( self.filename )
def testSetstatus( self):
StatusManager.create( self.jobDir, Status( string='submitted' ) )
pending = Status( string= 'pending' )
sm = StatusManager()
sm.setStatus( self.jobDir , pending )
recieved_status = sm.getStatus( self.jobDir )
self.assertEqual( recieved_status , pending )
finished = Status( string='finished' , message = 'your job finnished with an unusual status code, check youre results carefully')
sm.setStatus( self.jobDir , finished )
recieved_status = sm.getStatus( self.jobDir )
self.assertEqual( recieved_status , finished )
#an ended status cannot be changed anymore
running = Status( string= 'running')
sm.setStatus( self.jobDir , running )
recieved_status = sm.getStatus( self.jobDir )
self.assertNotEqual( recieved_status , running )
self.assertEqual( recieved_status , finished )
os.unlink( self.filename )
def testConcurency(self):
status = Status( string='submitted' )
StatusManager.create( self.jobDir, status )
## sub-process start
childPid = os.fork()
if childPid: #father
sleep(1)
sm = StatusManager()
self.assertEqual( status , sm.getStatus( self.jobDir ) )
self.assertRaises( IOError , sm.setStatus , self.jobDir, status )
os.kill( childPid , signal.SIGALRM )
os.wait()
else: #child
signal.signal(signal.SIGALRM, handler)
File = open( self.filename , 'r' )
fcntl.lockf( File , fcntl.LOCK_SH | fcntl.LOCK_NB )
signal.pause()
fcntl.lockf( File , fcntl.LOCK_UN )
File.close()
os._exit(0)
## sub-process end
## sub-process start
childPid = os.fork()
if childPid: #father
sleep(1)
sm = StatusManager()
recieved_status = sm.getStatus( self.jobDir )
self.assertEqual( recieved_status , Status( string= "unknown" ) )
self.assertRaises( IOError , sm.setStatus , self.jobDir, status )
os.kill( childPid , signal.SIGALRM )
os.wait()
else: #child
signal.signal(signal.SIGALRM, handler)
File = open( self.filename , 'r+' )
fcntl.lockf( File , fcntl.LOCK_EX | fcntl.LOCK_NB )
signal.pause()
fcntl.lockf( File , fcntl.LOCK_UN )
File.close()
os._exit(0)
## sub-process end
if __name__ == '__main__':
unittest.main()
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