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from argparse import (
ArgumentParser,
Namespace,
)
from datetime import (
datetime,
timedelta,
)
from contextlib import contextmanager
import logging
import os
import socket
from StringIO import StringIO
from time import time
from unittest import TestCase
from mock import (
call,
patch,
)
from utility import (
add_basic_testing_arguments,
extract_deb,
find_candidates,
get_auth_token,
get_candidates_path,
get_deb_arch,
get_winrm_certs,
quote,
run_command,
temp_dir,
until_timeout,
wait_for_port,
)
class TestUntilTimeout(TestCase):
def test_no_timeout(self):
iterator = until_timeout(0)
def now_iter():
yield iterator.start
yield iterator.start
assert False
with patch.object(iterator, 'now', now_iter().next):
for x in iterator:
self.assertIs(None, x)
break
@contextmanager
def patched_until(self, timeout, deltas):
iterator = until_timeout(timeout)
def now_iter():
for d in deltas:
yield iterator.start + d
assert False
with patch.object(iterator, 'now', now_iter().next):
yield iterator
def test_timeout(self):
with self.patched_until(
5, [timedelta(), timedelta(0, 4), timedelta(0, 5)]) as until:
results = list(until)
self.assertEqual([5, 1], results)
def test_long_timeout(self):
deltas = [timedelta(), timedelta(4, 0), timedelta(5, 0)]
with self.patched_until(86400 * 5, deltas) as until:
self.assertEqual([86400 * 5, 86400], list(until))
def test_start(self):
now = datetime.now() + timedelta(days=1)
now_iter = iter([now, now, now + timedelta(10)])
with patch('utility.until_timeout.now', side_effect=now_iter.next):
self.assertEqual(list(until_timeout(10, now - timedelta(10))), [])
def write_config(root, job_name, token):
job_dir = os.path.join(root, 'jobs', job_name)
os.makedirs(job_dir)
job_config = os.path.join(job_dir, 'config.xml')
with open(job_config, 'w') as config:
config.write(
'<config><authToken>{}</authToken></config>'.format(token))
@contextmanager
def parse_error(test_case):
stderr = StringIO()
with test_case.assertRaises(SystemExit):
with patch('sys.stderr', stderr):
yield stderr
class TestGetAuthToken(TestCase):
def test_get_auth_token(self):
with temp_dir() as root:
write_config(root, 'job-name', 'foo')
self.assertEqual(get_auth_token(root, 'job-name'), 'foo')
class TestFindCandidates(TestCase):
def test_find_candidates(self):
with temp_dir() as root:
candidates_path = get_candidates_path(root)
os.mkdir(candidates_path)
self.assertEqual(list(find_candidates(root)), [])
master_path = os.path.join(candidates_path, 'master')
os.mkdir(master_path)
self.assertEqual(list(find_candidates(root)), [])
open(os.path.join(master_path, 'buildvars.json'), 'w')
self.assertEqual(list(find_candidates(root)), [master_path])
def test_find_candidates_old_buildvars(self):
with temp_dir() as root:
_, buildvars_path = self.make_candidates_dir(root, 'master')
a_week_ago = time() - timedelta(days=7, seconds=1).total_seconds()
os.utime(buildvars_path, (time(), a_week_ago))
self.assertEqual(list(find_candidates(root)), [])
def test_find_candidates_artifacts(self):
with temp_dir() as root:
self.make_candidates_dir(root, 'master-artifacts')
self.assertEqual(list(find_candidates(root)), [])
def test_find_candidates_find_all(self):
with temp_dir() as root:
master_path, buildvars_path = self.make_candidates_dir(
root, '1.23')
master_path_2, _ = self.make_candidates_dir(root, '1.24')
a_week_ago = time() - timedelta(days=7, seconds=1).total_seconds()
os.utime(buildvars_path, (time(), a_week_ago))
self.assertItemsEqual(list(find_candidates(root)), [master_path_2])
self.assertItemsEqual(list(find_candidates(root, find_all=True)),
[master_path, master_path_2])
def make_candidates_dir(self, root, master_name):
candidates_path = get_candidates_path(root)
if not os.path.isdir(candidates_path):
os.mkdir(candidates_path)
master_path = os.path.join(candidates_path, master_name)
os.mkdir(master_path)
buildvars_path = os.path.join(master_path, 'buildvars.json')
open(buildvars_path, 'w')
return master_path, buildvars_path
class TestWaitForPort(TestCase):
def test_wait_for_port_0000_closed(self):
with patch(
'socket.getaddrinfo', autospec=True,
return_value=[('foo', 'bar', 'baz', 'qux', ('0.0.0.0', 27))]
) as gai_mock:
with patch('socket.socket', autospec=True) as socket_mock:
wait_for_port('asdf', 26, closed=True)
gai_mock.assert_called_once_with('asdf', 26, socket.AF_INET,
socket.SOCK_STREAM)
self.assertEqual(socket_mock.call_count, 0)
def test_wait_for_port_0000_open(self):
stub_called = False
loc = locals()
def gai_stub(host, port, family, socktype):
if loc['stub_called']:
raise ValueError()
loc['stub_called'] = True
return [('foo', 'bar', 'baz', 'qux', ('0.0.0.0', 27))]
with patch('socket.getaddrinfo', autospec=True, side_effect=gai_stub,
) as gai_mock:
with patch('socket.socket', autospec=True) as socket_mock:
with self.assertRaises(ValueError):
wait_for_port('asdf', 26, closed=False)
self.assertEqual(gai_mock.mock_calls, [
call('asdf', 26, socket.AF_INET, socket.SOCK_STREAM),
call('asdf', 26, socket.AF_INET, socket.SOCK_STREAM),
])
self.assertEqual(socket_mock.call_count, 0)
def test_wait_for_port(self):
with patch(
'socket.getaddrinfo', autospec=True, return_value=[
('foo', 'bar', 'baz', 'qux', ('192.168.8.3', 27))
]) as gai_mock:
with patch('socket.socket', autospec=True) as socket_mock:
wait_for_port('asdf', 26, closed=False)
gai_mock.assert_called_once_with(
'asdf', 26, socket.AF_INET, socket.SOCK_STREAM),
socket_mock.assert_called_once_with('foo', 'bar', 'baz')
connect_mock = socket_mock.return_value.connect
connect_mock.assert_called_once_with(('192.168.8.3', 27))
def test_wait_for_port_no_address_closed(self):
with patch('socket.getaddrinfo', autospec=True,
side_effect=socket.error(-5, None)) as gai_mock:
with patch('socket.socket', autospec=True) as socket_mock:
wait_for_port('asdf', 26, closed=True)
gai_mock.assert_called_once_with('asdf', 26, socket.AF_INET,
socket.SOCK_STREAM)
self.assertEqual(socket_mock.call_count, 0)
def test_wait_for_port_no_address_open(self):
stub_called = False
loc = locals()
def gai_stub(host, port, family, socktype):
if loc['stub_called']:
raise ValueError()
loc['stub_called'] = True
raise socket.error(-5, None)
with patch('socket.getaddrinfo', autospec=True, side_effect=gai_stub,
) as gai_mock:
with patch('socket.socket', autospec=True) as socket_mock:
with self.assertRaises(ValueError):
wait_for_port('asdf', 26, closed=False)
self.assertEqual(gai_mock.mock_calls, [
call('asdf', 26, socket.AF_INET, socket.SOCK_STREAM),
call('asdf', 26, socket.AF_INET, socket.SOCK_STREAM),
])
self.assertEqual(socket_mock.call_count, 0)
class TestExtractDeb(TestCase):
def test_extract_deb(self):
with patch('subprocess.check_call', autospec=True) as cc_mock:
extract_deb('foo', 'bar')
cc_mock.assert_called_once_with(['dpkg', '-x', 'foo', 'bar'])
class TestGetDebArch(TestCase):
def test_get_deb_arch(self):
with patch('subprocess.check_output',
return_value=' amd42 \n') as co_mock:
arch = get_deb_arch()
co_mock.assert_called_once_with(['dpkg', '--print-architecture'])
self.assertEqual(arch, 'amd42')
class TestAddBasicTestingArguments(TestCase):
def test_positional_args(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
expected = Namespace(
agent_url=None, debug=False, env='local', temp_env_name='testtest',
juju_bin='/foo/juju', logs='/tmp/logs', series=None,
verbose=logging.INFO, agent_stream=None, keep_env=False,
upload_tools=False, bootstrap_host=None, machine=[])
self.assertEqual(args, expected)
def test_debug(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest', '--debug']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertEqual(args.debug, True)
def test_verbose_logging(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest', '--verbose']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertEqual(args.verbose, logging.DEBUG)
def test_agent_url(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest',
'--agent-url', 'http://example.org']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertEqual(args.agent_url, 'http://example.org')
def test_agent_stream(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest',
'--agent-stream', 'testing']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertEqual(args.agent_stream, 'testing')
def test_series(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest', '--series',
'vivid']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertEqual(args.series, 'vivid')
def test_upload_tools(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest',
'--upload-tools']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertTrue(args.upload_tools)
def test_bootstrap_host(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest',
'--bootstrap-host', 'bar']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertEqual(args.bootstrap_host, 'bar')
def test_machine(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest',
'--machine', 'bar', '--machine', 'baz']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertEqual(args.machine, ['bar', 'baz'])
def test_keep_env(self):
cmd_line = ['local', '/foo/juju', '/tmp/logs', 'testtest',
'--keep-env']
parser = add_basic_testing_arguments(ArgumentParser())
args = parser.parse_args(cmd_line)
self.assertTrue(args.keep_env)
class TestRunCommand(TestCase):
def test_run_command_args(self):
with patch('subprocess.check_output') as co_mock:
run_command(['foo', 'bar'])
args, kwargs = co_mock.call_args
self.assertEqual((['foo', 'bar'], ), args)
def test_run_command_dry_run(self):
with patch('subprocess.check_output') as co_mock:
run_command(['foo', 'bar'], dry_run=True)
self.assertEqual(0, co_mock.call_count)
def test_run_command_verbose(self):
with patch('subprocess.check_output'):
with patch('utility.print_now') as p_mock:
run_command(['foo', 'bar'], verbose=True)
self.assertEqual(2, p_mock.call_count)
class TestQuote(TestCase):
def test_quote(self):
self.assertEqual(quote("arg"), "arg")
self.assertEqual(quote("/a/file name"), "'/a/file name'")
self.assertEqual(quote("bob's"), "'bob'\"'\"'s'")
class TestGetWinRmCerts(TestCase):
def test_get_certs(self):
with patch.dict(os.environ, {"HOME": "/fake/home"}):
certs = get_winrm_certs()
self.assertEqual(certs, (
"/fake/home/cloud-city/winrm_client_cert.key",
"/fake/home/cloud-city/winrm_client_cert.pem",
))
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