def test_reactorSelection(self):
"""
L{AxiomaticStart} optionally takes the name of a reactor and
installs it instead of the default reactor.
"""
# Since this process is already hopelessly distant from the state in
# which I{axiomatic start} operates, it would make no sense to try a
# functional test of this behavior in this process. Since the
# behavior being tested involves lots of subtle interactions between
# lots of different pieces of code (the reactor might get installed
# at the end of a ten-deep chain of imports going through as many
# different projects), it also makes no sense to try to make this a
# unit test. So, start a child process and try to use the alternate
# reactor functionality there.
here = FilePath(__file__)
# Try to find it relative to the source of this test.
bin = here.parent().parent().parent().child("bin")
axiomatic = bin.child("axiomatic")
if axiomatic.exists():
# Great, use that one.
axiomatic = axiomatic.path
else:
# Try to find it on the path, instead.
axiomatics = which("axiomatic")
if axiomatics:
# Great, it was on the path.
axiomatic = axiomatics[0]
else:
# Nope, not there, give up.
raise SkipTest(
"Could not find axiomatic script on path or at %s" % (
axiomatic.path,))
# Create a store for the child process to use and put an item in it.
# This will force an import of the module that defines that item's
# class when the child process starts. The module imports the default
# reactor at the top-level, making this the worst-case for the reactor
# selection code.
storePath = self.mktemp()
store = Store(storePath)
SomeItem(store=store)
store.close()
# Install select reactor because it available on all platforms, and
# it is still an error to try to install the select reactor even if
# the already installed reactor was the select reactor.
argv = [
sys.executable,
axiomatic, "-d", storePath,
"start", "--reactor", "select", "-n"]
expected = [
"reactor class: twisted.internet.selectreactor.SelectReactor.",
"reactor class: <class 'twisted.internet.selectreactor.SelectReactor'>"]
proto, complete = AxiomaticStartProcessProtocol.protocolAndDeferred(expected)
environ = os.environ.copy()
reactor.spawnProcess(proto, sys.executable, argv, env=environ)
return complete
def _getAxiomaticScript(self):
here = FilePath(__file__)
# Try to find it relative to the source of this test.
bin = here.parent().parent().parent().child("bin")
axiomatic = bin.child("axiomatic")
if axiomatic.exists():
# Great, use that one.
axiomatic = axiomatic.path
else:
# Try to find it on the path, instead.
axiomatics = which("axiomatic")
if axiomatics:
# Great, it was on the path.
axiomatic = axiomatics[0]
else:
# Nope, not there, give up.
raise SkipTest(
"Could not find axiomatic script on path or at %s" %
(axiomatic.path, ))
return axiomatic
def _getAxiomaticScript(self):
here = FilePath(__file__)
# Try to find it relative to the source of this test.
bin = here.parent().parent().parent().child("bin")
axiomatic = bin.child("axiomatic")
if axiomatic.exists():
# Great, use that one.
axiomatic = axiomatic.path
else:
# Try to find it on the path, instead.
axiomatics = which("axiomatic")
if axiomatics:
# Great, it was on the path.
axiomatic = axiomatics[0]
else:
# Nope, not there, give up.
raise SkipTest(
"Could not find axiomatic script on path or at %s" % (
axiomatic.path,))
return axiomatic
def test_reactorSelection(self):
"""
L{AxiomaticStart} optionally takes the name of a reactor and
installs it instead of the default reactor.
"""
# Since this process is already hopelessly distant from the state in
# which I{axiomatic start} operates, it would make no sense to try a
# functional test of this behavior in this process. Since the
# behavior being tested involves lots of subtle interactions between
# lots of different pieces of code (the reactor might get installed
# at the end of a ten-deep chain of imports going through as many
# different projects), it also makes no sense to try to make this a
# unit test. So, start a child process and try to use the alternate
# reactor functionality there.
here = FilePath(__file__)
# Try to find it relative to the source of this test.
bin = here.parent().parent().parent().child("bin")
axiomatic = bin.child("axiomatic")
if axiomatic.exists():
# Great, use that one.
axiomatic = axiomatic.path
else:
# Try to find it on the path, instead.
axiomatics = which("axiomatic")
if axiomatics:
# Great, it was on the path.
axiomatic = axiomatics[0]
else:
# Nope, not there, give up.
raise SkipTest(
"Could not find axiomatic script on path or at %s" %
(axiomatic.path, ))
# Create a store for the child process to use and put an item in it.
# This will force an import of the module that defines that item's
# class when the child process starts. The module imports the default
# reactor at the top-level, making this the worst-case for the reactor
# selection code.
storePath = self.mktemp()
store = Store(storePath)
SomeItem(store=store)
store.close()
# Install select reactor because it available on all platforms, and
# it is still an error to try to install the select reactor even if
# the already installed reactor was the select reactor.
argv = [
sys.executable, axiomatic, "-d", storePath, "start", "--reactor",
"select", "-n"
]
expected = [
"reactor class: twisted.internet.selectreactor.SelectReactor.",
"reactor class: <class 'twisted.internet.selectreactor.SelectReactor'>"
]
proto, complete = AxiomaticStartProcessProtocol.protocolAndDeferred(
expected)
# Make sure the version of Axiom under test is found by the child
# process.
import axiom, epsilon
environ = os.environ.copy()
environ['PYTHONPATH'] = os.pathsep.join([
FilePath(epsilon.__file__).parent().parent().path,
FilePath(axiom.__file__).parent().parent().path,
environ['PYTHONPATH']
])
reactor.spawnProcess(proto, sys.executable, argv, env=environ)
return complete
