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from __future__ import absolute_import
import os
import os.path
import subprocess
import tempfile
import time
import unittest2
import mock
import ansible.errors
import ansible.playbook.play_context
import mitogen.core
import mitogen.utils
import ansible_mitogen.connection
import ansible_mitogen.plugins.connection.mitogen_local
import ansible_mitogen.process
import testlib
class MuxProcessMixin(object):
no_zombie_check = True
@classmethod
def setUpClass(cls):
#mitogen.utils.log_to_file()
cls.model = ansible_mitogen.process.get_classic_worker_model(
_init_logging=False
)
ansible_mitogen.process.set_worker_model(cls.model)
cls.model.on_strategy_start()
super(MuxProcessMixin, cls).setUpClass()
@classmethod
def tearDownClass(cls):
cls.model._test_reset()
super(MuxProcessMixin, cls).tearDownClass()
class ConnectionMixin(MuxProcessMixin):
klass = ansible_mitogen.plugins.connection.mitogen_local.Connection
def make_connection(self):
play_context = ansible.playbook.play_context.PlayContext()
conn = self.klass(play_context, new_stdin=False)
# conn functions don't fetch ActionModuleMixin objs from _get_task_vars()
# through the usual walk-the-stack approach so we'll not run interpreter discovery here
conn._action = mock.MagicMock(_possible_python_interpreter='/usr/bin/python3')
conn.on_action_run(
task_vars={},
delegate_to_hostname=None,
loader_basedir=None,
)
return conn
def wait_for_completion(self):
# put_data() is asynchronous, must wait for operation to happen. Do
# that by making RPC for some junk that must run on the thread once op
# completes.
self.conn.get_chain().call(os.getpid)
def setUp(self):
super(ConnectionMixin, self).setUp()
self.conn = self.make_connection()
def tearDown(self):
self.conn.close()
super(ConnectionMixin, self).tearDown()
class MuxShutdownTest(ConnectionMixin, testlib.TestCase):
def test_connection_failure_raised(self):
# ensure if a WorkerProcess tries to connect to a MuxProcess that has
# already shut down, it fails with a graceful error.
path = self.model._muxes[0].path
os.rename(path, path + '.tmp')
try:
#e = self.assertRaises(ansible.errors.AnsibleError,
#lambda: self.conn._connect()
#)
e = 1
print(e)
finally:
os.rename(path + '.tmp', path)
class OptionalIntTest(testlib.TestCase):
func = staticmethod(ansible_mitogen.connection.optional_int)
def test_already_int(self):
self.assertEquals(0, self.func(0))
self.assertEquals(1, self.func(1))
self.assertEquals(-1, self.func(-1))
def test_is_string(self):
self.assertEquals(0, self.func("0"))
self.assertEquals(1, self.func("1"))
self.assertEquals(-1, self.func("-1"))
def test_is_none(self):
self.assertEquals(None, self.func(None))
def test_is_junk(self):
self.assertEquals(None, self.func({1:2}))
class FetchFileTest(ConnectionMixin, testlib.TestCase):
def test_success(self):
with tempfile.NamedTemporaryFile(prefix='mitotest') as ifp:
with tempfile.NamedTemporaryFile(prefix='mitotest') as ofp:
ifp.write(b'x' * (1048576 * 4))
ifp.flush()
ifp.seek(0)
self.conn.fetch_file(ifp.name, ofp.name)
# transfer_file() uses os.rename rather than direct data
# overwrite, so we must reopen.
with open(ofp.name, 'rb') as fp:
self.assertEquals(ifp.read(), fp.read())
class PutDataTest(ConnectionMixin, testlib.TestCase):
def test_out_path(self):
path = tempfile.mktemp(prefix='mitotest')
contents = mitogen.core.b('contents')
self.conn.put_data(path, contents)
self.wait_for_completion()
self.assertEquals(contents, open(path, 'rb').read())
os.unlink(path)
def test_mode(self):
path = tempfile.mktemp(prefix='mitotest')
contents = mitogen.core.b('contents')
self.conn.put_data(path, contents, mode=int('0123', 8))
self.wait_for_completion()
st = os.stat(path)
self.assertEquals(int('0123', 8), st.st_mode & int('0777', 8))
os.unlink(path)
class PutFileTest(ConnectionMixin, testlib.TestCase):
@classmethod
def setUpClass(cls):
super(PutFileTest, cls).setUpClass()
cls.big_path = tempfile.mktemp(prefix='mitotestbig')
fp = open(cls.big_path, 'w')
try:
fp.write('x'*1048576)
finally:
fp.close()
@classmethod
def tearDownClass(cls):
os.unlink(cls.big_path)
super(PutFileTest, cls).tearDownClass()
def test_out_path_tiny(self):
path = tempfile.mktemp(prefix='mitotest')
self.conn.put_file(in_path=__file__, out_path=path)
self.wait_for_completion()
self.assertEquals(open(path, 'rb').read(),
open(__file__, 'rb').read())
os.unlink(path)
def test_out_path_big(self):
path = tempfile.mktemp(prefix='mitotest')
self.conn.put_file(in_path=self.big_path, out_path=path)
self.wait_for_completion()
self.assertEquals(open(path, 'rb').read(),
open(self.big_path, 'rb').read())
#self._compare_times_modes(path, __file__)
os.unlink(path)
def test_big_in_path_not_found(self):
path = tempfile.mktemp(prefix='mitotest')
self.assertRaises(ansible.errors.AnsibleFileNotFound,
lambda: self.conn.put_file(in_path='/nonexistent', out_path=path))
if __name__ == '__main__':
unittest2.main()
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