def test_raise_exceptions(self):
"""Test that exceptions raised by a task are propagated"""
m = _util.Manager(output='raiseexc%d.out')
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context()
c.add_task(_tasks.error_task)
self.assertRaises(IMP.parallel.RemoteError, list,
c.get_results_unordered())
_util.unlink("raiseexc0.out")
def test_pass_exceptions(self):
"""Test that exceptions can be passed to and from tasks"""
m = _util.Manager(output='passexc%d.out')
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context()
c.add_task(_tasks.SimpleTask(IndexError("test")))
results = list(c.get_results_unordered())
self.assertIsInstance(results[0], IndexError)
_util.unlink("passexc0.out")
def test_simple(self):
"""Test that slave tasks can start up and communicate"""
m = _util.Manager(output='simple%d.out')
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context()
for i in range(10):
c.add_task(_tasks.SimpleTask(i))
results = sorted(c.get_results_unordered())
self.assertEqual(results, list(range(10)))
_util.unlink("simple0.out")
def test_startup(self):
"""Test context startup callable"""
m = _util.Manager(output='startup%d.out')
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context(startup=_tasks.SimpleTask(("foo", "bar")))
c.add_task(_tasks.simple_func)
c.add_task(_tasks.simple_func)
results = list(c.get_results_unordered())
self.assertEqual(results, [('foo', 'bar'), ('foo', 'bar')])
_util.unlink("startup0.out")
def test_startup(self):
"""Test context startup callable"""
m = _util.Manager(output='startup%d.out')
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context(startup=_tasks.SimpleTask(("foo", "bar")))
c.add_task(_tasks.simple_func)
c.add_task(_tasks.simple_func)
results = list(c.get_results_unordered())
self.assertEqual(results, [('foo', 'bar'), ('foo', 'bar')])
_util.unlink("startup0.out")
def test_simple(self):
"""Test that slave tasks can start up and communicate"""
m = _util.Manager(output='simple%d.out')
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context()
for i in range(10):
c.add_task(_tasks.SimpleTask(i))
results = sorted(c.get_results_unordered())
self.assertEqual(results, list(range(10)))
_util.unlink("simple0.out")
def test_startup_heartbeat(self):
"""Make sure that startup failures cause a timeout"""
def empty_task():
pass
m = _util.Manager(python="/path/does/not/exist",
output='heartbeat%d.out')
m.heartbeat_timeout = 0.1
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context()
c.add_task(empty_task)
self.assertRaises(IMP.parallel.NetworkError, list,
c.get_results_unordered())
_util.unlink('heartbeat0.out')
def test_startup_heartbeat(self):
"""Make sure that startup failures cause a timeout"""
def empty_task():
pass
m = _util.Manager(python="/path/does/not/exist",
output='heartbeat%d.out')
m.heartbeat_timeout = 0.1
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context()
c.add_task(empty_task)
self.assertRaises(IMP.parallel.NetworkError, list,
c.get_results_unordered())
_util.unlink('heartbeat0.out')
def test_floats(self):
"""Check that NaN and Inf floats are pickled correctly"""
if sys.platform in ('irix6', 'osf1V5'):
self.skipTest(
"Cannot reliably handle NaN and Inf on Irix or Alpha")
m = _util.Manager(output='floats%d.out')
m.add_slave(IMP.parallel.LocalSlave())
c = m.get_context()
try:
inf = float('inf')
nan = float('nan')
except ValueError:
# Python 2.5 on Windows reports 'invalid literal', so use another
# method to get inf and nan:
inf = 1e300 * 1e300
nan = inf - inf
for f in (inf, nan):
c.add_task(_tasks.SimpleTask(f))
results = list(c.get_results_unordered())
_util.unlink("floats0.out")