test_ok1/testing/pytest/test_pickling.py

200 lines
7.3 KiB
Python

import py
import pickle
def setglobals(request):
oldconfig = py.test.config
oldcom = py._com.comregistry
print("setting py.test.config to None")
py.test.config = None
py._com.comregistry = py._com.Registry()
def resetglobals():
py.builtin.print_("setting py.test.config to", oldconfig)
py.test.config = oldconfig
py._com.comregistry = oldcom
request.addfinalizer(resetglobals)
def pytest_funcarg__testdir(request):
setglobals(request)
return request.getfuncargvalue("testdir")
class ImmutablePickleTransport:
def __init__(self, request):
from py.__.test.dist.mypickle import ImmutablePickler
self.p1 = ImmutablePickler(uneven=0)
self.p2 = ImmutablePickler(uneven=1)
setglobals(request)
def p1_to_p2(self, obj):
return self.p2.loads(self.p1.dumps(obj))
def p2_to_p1(self, obj):
return self.p1.loads(self.p2.dumps(obj))
def unifyconfig(self, config):
p2config = self.p1_to_p2(config)
p2config._initafterpickle(config.topdir)
return p2config
pytest_funcarg__pickletransport = ImmutablePickleTransport
class TestImmutablePickling:
def test_pickle_config(self, testdir, pickletransport):
config1 = testdir.parseconfig()
assert config1.topdir == testdir.tmpdir
testdir.chdir()
p2config = pickletransport.p1_to_p2(config1)
assert p2config.topdir.realpath() == config1.topdir.realpath()
config_back = pickletransport.p2_to_p1(p2config)
assert config_back is config1
def test_pickle_modcol(self, testdir, pickletransport):
modcol1 = testdir.getmodulecol("def test_one(): pass")
modcol2a = pickletransport.p1_to_p2(modcol1)
modcol2b = pickletransport.p1_to_p2(modcol1)
assert modcol2a is modcol2b
modcol1_back = pickletransport.p2_to_p1(modcol2a)
assert modcol1_back
def test_pickle_func(self, testdir, pickletransport):
modcol1 = testdir.getmodulecol("def test_one(): pass")
item = modcol1.collect_by_name("test_one")
testdir.chdir()
item2a = pickletransport.p1_to_p2(item)
assert item is not item2a # of course
assert item2a.name == item.name
modback = pickletransport.p2_to_p1(item2a.parent)
assert modback is modcol1
class TestConfigPickling:
def test_config_getstate_setstate(self, testdir):
from py.__.test.config import Config
testdir.makepyfile(__init__="", conftest="x=1; y=2")
hello = testdir.makepyfile(hello="")
tmp = testdir.tmpdir
testdir.chdir()
config1 = testdir.parseconfig(hello)
config2 = Config()
config2.__setstate__(config1.__getstate__())
assert config2.topdir == py.path.local()
config2_relpaths = [x.relto(config2.topdir) for x in config2.args]
config1_relpaths = [x.relto(config1.topdir) for x in config1.args]
assert config2_relpaths == config1_relpaths
for name, value in config1.option.__dict__.items():
assert getattr(config2.option, name) == value
assert config2.getvalue("x") == 1
def test_config_pickling_customoption(self, testdir):
testdir.makeconftest("""
def pytest_addoption(parser):
group = parser.addgroup("testing group")
group.addoption('-G', '--glong', action="store", default=42,
type="int", dest="gdest", help="g value.")
""")
config = testdir.parseconfig("-G", "11")
assert config.option.gdest == 11
repr = config.__getstate__()
config = testdir.Config()
py.test.raises(AttributeError, "config.option.gdest")
config2 = testdir.Config()
config2.__setstate__(repr)
assert config2.option.gdest == 11
def test_config_pickling_and_conftest_deprecated(self, testdir):
tmp = testdir.tmpdir.ensure("w1", "w2", dir=1)
tmp.ensure("__init__.py")
tmp.join("conftest.py").write(py.code.Source("""
def pytest_addoption(parser):
group = parser.addgroup("testing group")
group.addoption('-G', '--glong', action="store", default=42,
type="int", dest="gdest", help="g value.")
"""))
config = testdir.parseconfig(tmp, "-G", "11")
assert config.option.gdest == 11
repr = config.__getstate__()
config = testdir.Config()
py.test.raises(AttributeError, "config.option.gdest")
config2 = testdir.Config()
config2.__setstate__(repr)
assert config2.option.gdest == 11
option = config2.addoptions("testing group",
config2.Option('-G', '--glong', action="store", default=42,
type="int", dest="gdest", help="g value."))
assert option.gdest == 11
def test_config_picklability(self, testdir):
config = testdir.parseconfig()
s = pickle.dumps(config)
newconfig = pickle.loads(s)
assert hasattr(newconfig, "topdir")
assert newconfig.topdir == py.path.local()
def test_collector_implicit_config_pickling(self, testdir):
tmpdir = testdir.tmpdir
testdir.chdir()
testdir.makepyfile(hello="def test_x(): pass")
config = testdir.parseconfig(tmpdir)
col = config.getfsnode(config.topdir)
io = py.io.BytesIO()
pickler = pickle.Pickler(io)
pickler.dump(col)
io.seek(0)
unpickler = pickle.Unpickler(io)
col2 = unpickler.load()
assert col2.name == col.name
assert col2.listnames() == col.listnames()
def test_config_and_collector_pickling(self, testdir):
tmpdir = testdir.tmpdir
dir1 = tmpdir.ensure("somedir", dir=1)
config = testdir.parseconfig()
col = config.getfsnode(config.topdir)
col1 = col.join(dir1.basename)
assert col1.parent is col
io = py.io.BytesIO()
pickler = pickle.Pickler(io)
pickler.dump(col)
pickler.dump(col1)
pickler.dump(col)
io.seek(0)
unpickler = pickle.Unpickler(io)
topdir = tmpdir.ensure("newtopdir", dir=1)
topdir.ensure("somedir", dir=1)
old = topdir.chdir()
try:
newcol = unpickler.load()
newcol2 = unpickler.load()
newcol3 = unpickler.load()
assert newcol2.config is newcol.config
assert newcol2.parent == newcol
assert newcol2.config.topdir.realpath() == topdir.realpath()
assert newcol.fspath.realpath() == topdir.realpath()
assert newcol2.fspath.basename == dir1.basename
assert newcol2.fspath.relto(newcol2.config.topdir)
finally:
old.chdir()
def test_config__setstate__wired_correctly_in_childprocess(testdir):
execnet = py.test.importorskip("execnet")
from py.__.test.dist.mypickle import PickleChannel
gw = execnet.PopenGateway()
channel = gw.remote_exec("""
import py
from py.__.test.dist.mypickle import PickleChannel
channel = PickleChannel(channel)
config = channel.receive()
assert py.test.config.pluginmanager.comregistry == py._com.comregistry, "comregistry wrong"
""")
channel = PickleChannel(channel)
config = testdir.parseconfig()
channel.send(config)
channel.waitclose() # this will potentially raise
gw.exit()