test_ok2/py/test/dsession/testing/test_dsession.py

363 lines
13 KiB
Python

from py.__.test.dsession.dsession import DSession, LoopState
from py.__.test.dsession.masterslave import makehostup
from py.__.execnet.gwmanage import GatewaySpec
from py.__.test.runner import basic_collect_report
from py.__.test import event
from py.__.test import outcome
import py
def run(item):
runner = item._getrunner()
return runner(item)
class MockNode:
def __init__(self):
self.sent = []
def sendlist(self, items):
self.sent.append(items)
def shutdown(self):
self._shutdown=True
def dumpqueue(queue):
while queue.qsize():
print queue.get()
class TestDSession:
def test_fixoptions(self, testdir):
config = testdir.parseconfig("--exec=xxx")
config.pytestplugins.do_configure(config)
config.initsession().fixoptions()
assert config.option.numprocesses == 1
config = testdir.parseconfig("--exec=xxx", '-n3')
config.initsession().fixoptions()
assert config.option.numprocesses == 3
def test_add_remove_host(self, testdir):
item = testdir.getitem("def test_func(): pass")
rep = run(item)
session = DSession(item.config)
host = GatewaySpec("localhost")
host.node = MockNode()
assert not session.host2pending
session.addhost(host)
assert len(session.host2pending) == 1
session.senditems([item])
pending = session.removehost(host)
assert pending == [item]
assert item not in session.item2host
l = session.removehost(host)
assert not l
def test_senditems_removeitems(self, testdir):
item = testdir.getitem("def test_func(): pass")
rep = run(item)
session = DSession(item.config)
host = GatewaySpec("localhost")
host.node = MockNode()
session.addhost(host)
session.senditems([item])
assert session.host2pending[host] == [item]
assert session.item2host[item] == host
session.removeitem(item)
assert not session.host2pending[host]
assert not session.item2host
def test_triggertesting_collect(self, testdir):
modcol = testdir.getmodulecol("""
def test_func():
pass
""")
session = DSession(modcol.config)
session.triggertesting([modcol])
name, args, kwargs = session.queue.get(block=False)
assert name == 'collectionreport'
rep, = args
assert len(rep.result) == 1
def test_triggertesting_item(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
host1 = GatewaySpec("localhost")
host1.node = MockNode()
host2 = GatewaySpec("localhost")
host2.node = MockNode()
session.addhost(host1)
session.addhost(host2)
session.triggertesting([item] * (session.MAXITEMSPERHOST*2 + 1))
host1_sent = host1.node.sent[0]
host2_sent = host2.node.sent[0]
assert host1_sent == [item] * session.MAXITEMSPERHOST
assert host2_sent == [item] * session.MAXITEMSPERHOST
assert session.host2pending[host1] == host1_sent
assert session.host2pending[host2] == host2_sent
name, args, kwargs = session.queue.get(block=False)
assert name == "rescheduleitems"
ev, = args
assert ev.items == [item]
def test_keyboardinterrupt(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
def raise_(timeout=None): raise KeyboardInterrupt()
session.queue.get = raise_
exitstatus = session.loop([])
assert exitstatus == outcome.EXIT_INTERRUPTED
def test_internalerror(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
def raise_(): raise ValueError()
session.queue.get = raise_
exitstatus = session.loop([])
assert exitstatus == outcome.EXIT_INTERNALERROR
def test_rescheduleevent(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
host1 = GatewaySpec("localhost")
host1.node = MockNode()
session.addhost(host1)
ev = event.RescheduleItems([item])
loopstate = LoopState([])
session.queueevent("rescheduleitems", ev)
session.loop_once(loopstate)
# check that RescheduleEvents are not immediately
# rescheduled if there are no hosts
assert loopstate.dowork == False
session.queueevent("anonymous", event.NOP())
session.loop_once(loopstate)
session.queueevent("anonymous", event.NOP())
session.loop_once(loopstate)
assert host1.node.sent == [[item]]
session.queueevent("itemtestreport", run(item))
session.loop_once(loopstate)
assert loopstate.shuttingdown
assert not loopstate.testsfailed
def test_no_hosts_remaining_for_tests(self, testdir):
item = testdir.getitem("def test_func(): pass")
# setup a session with one host
session = DSession(item.config)
host1 = GatewaySpec("localhost")
host1.node = MockNode()
session.addhost(host1)
# setup a HostDown event
ev = event.HostDown(host1, None)
session.queueevent("hostdown", ev)
loopstate = LoopState([item])
loopstate.dowork = False
session.loop_once(loopstate)
dumpqueue(session.queue)
assert loopstate.exitstatus == outcome.EXIT_NOHOSTS
def test_hostdown_causes_reschedule_pending(self, testdir, EventRecorder):
modcol = testdir.getmodulecol("""
def test_crash():
assert 0
def test_fail():
x
""")
item1, item2 = modcol.collect()
# setup a session with two hosts
session = DSession(item1.config)
host1 = GatewaySpec("localhost")
host1.node = MockNode()
session.addhost(host1)
host2 = GatewaySpec("localhost")
host2.node = MockNode()
session.addhost(host2)
# have one test pending for a host that goes down
session.senditems([item1, item2])
host = session.item2host[item1]
ev = event.HostDown(host, None)
session.queueevent("hostdown", ev)
evrec = EventRecorder(session.bus)
loopstate = LoopState([])
session.loop_once(loopstate)
assert loopstate.colitems == [item2] # do not reschedule crash item
testrep = evrec.getfirstnamed("itemtestreport")
assert testrep.failed
assert testrep.colitem == item1
assert str(testrep.longrepr).find("crashed") != -1
assert str(testrep.longrepr).find(host.address) != -1
def test_hostup_adds_to_available(self, testdir):
item = testdir.getitem("def test_func(): pass")
# setup a session with two hosts
session = DSession(item.config)
host1 = GatewaySpec("localhost")
hostup = makehostup(host1)
session.queueevent("hostup", hostup)
loopstate = LoopState([item])
loopstate.dowork = False
assert len(session.host2pending) == 0
session.loop_once(loopstate)
assert len(session.host2pending) == 1
def test_event_propagation(self, testdir, EventRecorder):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
evrec = EventRecorder(session.bus)
session.queueevent("NOPevent", 42)
session.loop_once(LoopState([]))
assert evrec.getfirstnamed('NOPevent')
def runthrough(self, item):
session = DSession(item.config)
host1 = GatewaySpec("localhost")
host1.node = MockNode()
session.addhost(host1)
loopstate = LoopState([item])
session.queueevent("NOP")
session.loop_once(loopstate)
assert host1.node.sent == [[item]]
ev = run(item)
session.queueevent("itemtestreport", ev)
session.loop_once(loopstate)
assert loopstate.shuttingdown
session.queueevent("hostdown", event.HostDown(host1, None))
session.loop_once(loopstate)
dumpqueue(session.queue)
return session, loopstate.exitstatus
def test_exit_completed_tests_ok(self, testdir):
item = testdir.getitem("def test_func(): pass")
session, exitstatus = self.runthrough(item)
assert exitstatus == outcome.EXIT_OK
def test_exit_completed_tests_fail(self, testdir):
item = testdir.getitem("def test_func(): 0/0")
session, exitstatus = self.runthrough(item)
assert exitstatus == outcome.EXIT_TESTSFAILED
def test_exit_on_first_failing(self, testdir):
modcol = testdir.getmodulecol("""
def test_fail():
assert 0
def test_pass():
pass
""")
modcol.config.option.exitfirst = True
session = DSession(modcol.config)
host1 = GatewaySpec("localhost")
host1.node = MockNode()
session.addhost(host1)
items = basic_collect_report(modcol).result
# trigger testing - this sends tests to host1
session.triggertesting(items)
# run tests ourselves and produce reports
ev1 = run(items[0])
ev2 = run(items[1])
session.queueevent("itemtestreport", ev1) # a failing one
session.queueevent("itemtestreport", ev2)
# now call the loop
loopstate = LoopState(items)
session.loop_once(loopstate)
assert loopstate.testsfailed
assert loopstate.shuttingdown
def test_shuttingdown_filters_events(self, testdir, EventRecorder):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
host = GatewaySpec("localhost")
session.addhost(host)
loopstate = LoopState([])
loopstate.shuttingdown = True
evrec = EventRecorder(session.bus)
session.queueevent("itemtestreport", run(item))
session.loop_once(loopstate)
assert not evrec.getfirstnamed("hostdown")
ev = event.HostDown(host)
session.queueevent("hostdown", ev)
session.loop_once(loopstate)
assert evrec.getfirstnamed('hostdown') == ev
def test_filteritems(self, testdir, EventRecorder):
modcol = testdir.getmodulecol("""
def test_fail():
assert 0
def test_pass():
pass
""")
session = DSession(modcol.config)
modcol.config.option.keyword = "nothing"
dsel = session.filteritems([modcol])
assert dsel == [modcol]
items = modcol.collect()
evrec = EventRecorder(session.bus)
remaining = session.filteritems(items)
assert remaining == []
event = evrec.events[-1]
assert event.name == "deselected"
assert event.args[0].items == items
modcol.config.option.keyword = "test_fail"
remaining = session.filteritems(items)
assert remaining == [items[0]]
event = evrec.events[-1]
assert event.name == "deselected"
assert event.args[0].items == [items[1]]
def test_hostdown_shutdown_after_completion(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
host = GatewaySpec("localhost")
host.node = MockNode()
session.addhost(host)
session.senditems([item])
session.queueevent("itemtestreport", run(item))
loopstate = LoopState([])
session.loop_once(loopstate)
assert host.node._shutdown is True
assert loopstate.exitstatus is None, "loop did not wait for hostdown"
assert loopstate.shuttingdown
session.queueevent("hostdown", event.HostDown(host, None))
session.loop_once(loopstate)
assert loopstate.exitstatus == 0
def test_nopending_but_collection_remains(self, testdir):
modcol = testdir.getmodulecol("""
def test_fail():
assert 0
def test_pass():
pass
""")
session = DSession(modcol.config)
host = GatewaySpec("localhost")
host.node = MockNode()
session.addhost(host)
colreport = basic_collect_report(modcol)
item1, item2 = colreport.result
session.senditems([item1])
# host2pending will become empty when the loop sees
# the report
session.queueevent("itemtestreport", run(item1))
# but we have a collection pending
session.queueevent("collectionreport", colreport)
loopstate = LoopState([])
session.loop_once(loopstate)
assert loopstate.exitstatus is None, "loop did not care for collection report"
assert not loopstate.colitems
session.loop_once(loopstate)
assert loopstate.colitems == colreport.result
assert loopstate.exitstatus is None, "loop did not care for colitems"