test_ok1/testing/pytest/dist/test_dsession.py

459 lines
16 KiB
Python

from py.impl.test.dist.dsession import DSession
from py.impl.test import outcome
import py
import execnet
XSpec = execnet.XSpec
def run(item, node, excinfo=None):
runner = item.config.pluginmanager.getplugin("runner")
rep = runner.ItemTestReport(item=item,
excinfo=excinfo, when="call")
rep.node = node
return rep
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_add_remove_node(self, testdir):
item = testdir.getitem("def test_func(): pass")
node = MockNode()
rep = run(item, node)
session = DSession(item.config)
assert not session.node2pending
session.addnode(node)
assert len(session.node2pending) == 1
session.senditems_load([item])
pending = session.removenode(node)
assert pending == [item]
assert item not in session.item2nodes
l = session.removenode(node)
assert not l
def test_senditems_each_and_receive_with_two_nodes(self, testdir):
item = testdir.getitem("def test_func(): pass")
node1 = MockNode()
node2 = MockNode()
session = DSession(item.config)
session.addnode(node1)
session.addnode(node2)
session.senditems_each([item])
assert session.node2pending[node1] == [item]
assert session.node2pending[node2] == [item]
assert node1 in session.item2nodes[item]
assert node2 in session.item2nodes[item]
session.removeitem(item, node1)
assert session.item2nodes[item] == [node2]
session.removeitem(item, node2)
assert not session.node2pending[node1]
assert not session.item2nodes
def test_senditems_load_and_receive_one_node(self, testdir):
item = testdir.getitem("def test_func(): pass")
node = MockNode()
rep = run(item, node)
session = DSession(item.config)
session.addnode(node)
session.senditems_load([item])
assert session.node2pending[node] == [item]
assert session.item2nodes[item] == [node]
session.removeitem(item, node)
assert not session.node2pending[node]
assert not session.item2nodes
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 == 'pytest_collectreport'
report = kwargs['report']
assert len(report.result) == 1
def test_triggertesting_item(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
node1 = MockNode()
node2 = MockNode()
session.addnode(node1)
session.addnode(node2)
session.triggertesting([item] * (session.MAXITEMSPERHOST*2 + 1))
sent1 = node1.sent[0]
sent2 = node2.sent[0]
assert sent1 == [item] * session.MAXITEMSPERHOST
assert sent2 == [item] * session.MAXITEMSPERHOST
assert session.node2pending[node1] == sent1
assert session.node2pending[node2] == sent2
name, args, kwargs = session.queue.get(block=False)
assert name == "pytest_rescheduleitems"
assert kwargs['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)
node = MockNode()
session.addnode(node)
loopstate = session._initloopstate([])
session.queueevent("pytest_rescheduleitems", items=[item])
session.loop_once(loopstate)
# check that RescheduleEvents are not immediately
# rescheduled if there are no nodes
assert loopstate.dowork == False
session.queueevent(None)
session.loop_once(loopstate)
session.queueevent(None)
session.loop_once(loopstate)
assert node.sent == [[item]]
session.queueevent("pytest_runtest_logreport", report=run(item, node))
session.loop_once(loopstate)
assert loopstate.shuttingdown
assert not loopstate.testsfailed
def test_no_node_remaining_for_tests(self, testdir):
item = testdir.getitem("def test_func(): pass")
# setup a session with one node
session = DSession(item.config)
node = MockNode()
session.addnode(node)
# setup a HostDown event
session.queueevent("pytest_testnodedown", node=node, error=None)
loopstate = session._initloopstate([item])
loopstate.dowork = False
session.loop_once(loopstate)
dumpqueue(session.queue)
assert loopstate.exitstatus == outcome.EXIT_NOHOSTS
def test_removeitem_from_failing_teardown(self, testdir):
# teardown reports only come in when they signal a failure
# internal session-management should basically ignore them
# XXX probably it'S best to invent a new error hook for
# teardown/setup related failures
modcol = testdir.getmodulecol("""
def test_one():
pass
def teardown_function(function):
assert 0
""")
item1, = modcol.collect()
# setup a session with two nodes
session = DSession(item1.config)
node1, node2 = MockNode(), MockNode()
session.addnode(node1)
session.addnode(node2)
# have one test pending for a node that goes down
session.senditems_each([item1])
nodes = session.item2nodes[item1]
class rep:
failed = True
item = item1
node = nodes[0]
when = "call"
session.queueevent("pytest_runtest_logreport", report=rep)
reprec = testdir.getreportrecorder(session)
print(session.item2nodes)
loopstate = session._initloopstate([])
assert len(session.item2nodes[item1]) == 2
session.loop_once(loopstate)
assert len(session.item2nodes[item1]) == 1
rep.when = "teardown"
session.queueevent("pytest_runtest_logreport", report=rep)
session.loop_once(loopstate)
assert len(session.item2nodes[item1]) == 1
def test_testnodedown_causes_reschedule_pending(self, testdir):
modcol = testdir.getmodulecol("""
def test_crash():
assert 0
def test_fail():
x
""")
item1, item2 = modcol.collect()
# setup a session with two nodes
session = DSession(item1.config)
node1, node2 = MockNode(), MockNode()
session.addnode(node1)
session.addnode(node2)
# have one test pending for a node that goes down
session.senditems_load([item1, item2])
node = session.item2nodes[item1] [0]
item1.config.option.dist = "load"
session.queueevent("pytest_testnodedown", node=node, error="xyz")
reprec = testdir.getreportrecorder(session)
print(session.item2nodes)
loopstate = session._initloopstate([])
session.loop_once(loopstate)
assert loopstate.colitems == [item2] # do not reschedule crash item
rep = reprec.matchreport(names="pytest_runtest_logreport")
assert rep.failed
assert rep.item == item1
assert str(rep.longrepr).find("crashed") != -1
#assert str(testrep.longrepr).find(node.gateway.spec) != -1
def test_testnodeready_adds_to_available(self, testdir):
item = testdir.getitem("def test_func(): pass")
# setup a session with two nodes
session = DSession(item.config)
node1 = MockNode()
session.queueevent("pytest_testnodeready", node=node1)
loopstate = session._initloopstate([item])
loopstate.dowork = False
assert len(session.node2pending) == 0
session.loop_once(loopstate)
assert len(session.node2pending) == 1
def runthrough(self, item, excinfo=None):
session = DSession(item.config)
node = MockNode()
session.addnode(node)
loopstate = session._initloopstate([item])
session.queueevent(None)
session.loop_once(loopstate)
assert node.sent == [[item]]
ev = run(item, node, excinfo=excinfo)
session.queueevent("pytest_runtest_logreport", report=ev)
session.loop_once(loopstate)
assert loopstate.shuttingdown
session.queueevent("pytest_testnodedown", node=node, error=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, excinfo="fail")
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)
node = MockNode()
session.addnode(node)
items = modcol.config.hook.pytest_make_collect_report(collector=modcol).result
# trigger testing - this sends tests to the node
session.triggertesting(items)
# run tests ourselves and produce reports
ev1 = run(items[0], node, "fail")
ev2 = run(items[1], node, None)
session.queueevent("pytest_runtest_logreport", report=ev1) # a failing one
session.queueevent("pytest_runtest_logreport", report=ev2)
# now call the loop
loopstate = session._initloopstate(items)
session.loop_once(loopstate)
assert loopstate.testsfailed
assert loopstate.shuttingdown
def test_shuttingdown_filters(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
node = MockNode()
session.addnode(node)
loopstate = session._initloopstate([])
loopstate.shuttingdown = True
reprec = testdir.getreportrecorder(session)
session.queueevent("pytest_runtest_logreport", report=run(item, node))
session.loop_once(loopstate)
assert not reprec.getcalls("pytest_testnodedown")
session.queueevent("pytest_testnodedown", node=node, error=None)
session.loop_once(loopstate)
assert reprec.getcall('pytest_testnodedown').node == node
def test_filteritems(self, testdir):
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()
hookrecorder = testdir.getreportrecorder(session).hookrecorder
remaining = session.filteritems(items)
assert remaining == []
event = hookrecorder.getcalls("pytest_deselected")[-1]
assert event.items == items
modcol.config.option.keyword = "test_fail"
remaining = session.filteritems(items)
assert remaining == [items[0]]
event = hookrecorder.getcalls("pytest_deselected")[-1]
assert event.items == [items[1]]
def test_testnodedown_shutdown_after_completion(self, testdir):
item = testdir.getitem("def test_func(): pass")
session = DSession(item.config)
node = MockNode()
session.addnode(node)
session.senditems_load([item])
session.queueevent("pytest_runtest_logreport", report=run(item, node))
loopstate = session._initloopstate([])
session.loop_once(loopstate)
assert node._shutdown is True
assert loopstate.exitstatus is None, "loop did not wait for testnodedown"
assert loopstate.shuttingdown
session.queueevent("pytest_testnodedown", node=node, error=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)
node = MockNode()
session.addnode(node)
colreport = modcol.config.hook.pytest_make_collect_report(collector=modcol)
item1, item2 = colreport.result
session.senditems_load([item1])
# node2pending will become empty when the loop sees the report
rep = run(item1, node)
session.queueevent("pytest_runtest_logreport", report=run(item1, node))
# but we have a collection pending
session.queueevent("pytest_collectreport", report=colreport)
loopstate = session._initloopstate([])
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"
def test_dist_some_tests(self, testdir):
p1 = testdir.makepyfile(test_one="""
def test_1():
pass
def test_x():
import py
py.test.skip("aaa")
def test_fail():
assert 0
""")
config = testdir.parseconfig('-d', p1, '--tx=popen')
dsession = DSession(config)
hookrecorder = testdir.getreportrecorder(config).hookrecorder
dsession.main([config.getfsnode(p1)])
rep = hookrecorder.popcall("pytest_runtest_logreport").report
assert rep.passed
rep = hookrecorder.popcall("pytest_runtest_logreport").report
assert rep.skipped
rep = hookrecorder.popcall("pytest_runtest_logreport").report
assert rep.failed
# see that the node is really down
node = hookrecorder.popcall("pytest_testnodedown").node
assert node.gateway.spec.popen
#XXX eq.geteventargs("pytest_sessionfinish")
def test_collected_function_causes_remote_skip(testdir):
sub = testdir.mkpydir("testing")
sub.join("test_module.py").write(py.code.Source("""
import py
path = py.path.local(%r)
if path.check():
path.remove()
else:
py.test.skip("remote skip")
def test_func():
pass
def test_func2():
pass
""" % str(sub.ensure("somefile"))))
result = testdir.runpytest('-v', '--dist=each', '--tx=popen')
result.stdout.fnmatch_lines([
"*2 skipped*"
])
def test_teardownfails_one_function(testdir):
p = testdir.makepyfile("""
def test_func():
pass
def teardown_function(function):
assert 0
""")
result = testdir.runpytest(p, '--dist=each', '--tx=popen')
result.stdout.fnmatch_lines([
"*def teardown_function(function):*",
"*1 passed*1 error*"
])
@py.test.mark.xfail
def test_terminate_on_hangingnode(testdir):
p = testdir.makeconftest("""
def pytest__teardown_final(session):
if session.nodeid: # running on slave
import time
time.sleep(2)
""")
result = testdir.runpytest(p, '--dist=each', '--tx=popen')
assert result.duration < 2.0
result.stdout.fnmatch_lines([
"*0 passed*",
])