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import operator
import testtools
from testtools import matchers
from conn_check.check_impl import (
FunctionCheck,
MultiCheck,
parallel_strategy,
PrefixCheckWrapper,
sequential_strategy,
)
from conn_check.checks import (
CHECKS,
extract_host_port,
make_amqp_check,
make_http_check,
make_memcache_check,
make_postgres_check,
make_redis_check,
make_ssl_check,
make_tcp_check,
make_udp_check,
)
from conn_check.main import (
build_checks,
check_from_description,
)
class FunctionCheckMatcher(testtools.Matcher):
def __init__(self, name, info, blocking=False):
self.name = name
self.info = info
self.blocking = blocking
def match(self, matchee):
checks = []
checks.append(matchers.IsInstance(FunctionCheck))
checks.append(matchers.Annotate(
"name doesn't match",
matchers.AfterPreprocessing(operator.attrgetter('name'),
matchers.Equals(self.name))))
checks.append(matchers.Annotate(
"info doesn't match",
matchers.AfterPreprocessing(operator.attrgetter('info'),
matchers.Equals(self.info))))
checks.append(matchers.Annotate(
"blocking doesn't match",
matchers.AfterPreprocessing(operator.attrgetter('blocking'),
matchers.Equals(self.blocking))))
return matchers.MatchesAll(*checks).match(matchee)
def __str__(self):
return ("Is a FunctionCheck with <name={} info={} "
"blocking={}>".format(self.name, self.info, self.blocking))
class MultiCheckMatcher(testtools.Matcher):
def __init__(self, strategy, subchecks):
self.strategy = strategy
self.subchecks = subchecks
def match(self, matchee):
checks = []
checks.append(matchers.IsInstance(MultiCheck))
checks.append(matchers.AfterPreprocessing(operator.attrgetter('strategy'),
matchers.Is(self.strategy)))
checks.append(matchers.AfterPreprocessing(operator.attrgetter('subchecks'),
matchers.MatchesListwise(self.subchecks)))
return matchers.MatchesAll(*checks).match(matchee)
def __str__(self):
return ("Is a MultiCheck with <strategy={} subchecks={}>"
"".format(self.strategy, self.subchecks))
class ExtractHostPortTests(testtools.TestCase):
def test_basic(self):
self.assertEqual(extract_host_port('http://localhost:80/'),
('localhost', 80, 'http'))
def test_no_scheme(self):
self.assertEqual(extract_host_port('//localhost/'),
('localhost', 80, 'http'))
def test_no_port_http(self):
self.assertEqual(extract_host_port('http://localhost/'),
('localhost', 80, 'http'))
def test_no_port_https(self):
self.assertEqual(extract_host_port('https://localhost/'),
('localhost', 443, 'https'))
class ConnCheckTest(testtools.TestCase):
def test_make_tcp_check(self):
result = make_tcp_check('localhost', 8080)
self.assertThat(result, FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
def test_make_ssl_check(self):
result = make_ssl_check('localhost', 8080, verify=True)
self.assertThat(result, FunctionCheckMatcher('ssl:localhost:8080', 'localhost:8080'))
def test_make_udp_check(self):
result = make_udp_check('localhost', 8080, 'foo', 'bar')
self.assertThat(result, FunctionCheckMatcher('udp:localhost:8080', 'localhost:8080'))
def test_make_http_check(self):
result = make_http_check('http://localhost/')
self.assertThat(result,
MultiCheckMatcher(strategy=sequential_strategy,
subchecks=[
FunctionCheckMatcher('tcp:localhost:80', 'localhost:80'),
FunctionCheckMatcher('http:http://localhost/', 'GET http://localhost/')
]
))
def test_make_http_check_https(self):
result = make_http_check('https://localhost/')
self.assertThat(result,
MultiCheckMatcher(strategy=sequential_strategy,
subchecks=[
FunctionCheckMatcher('tcp:localhost:443', 'localhost:443'),
FunctionCheckMatcher('ssl:localhost:443', 'localhost:443'),
FunctionCheckMatcher('http:https://localhost/', 'GET https://localhost/')
]
))
def test_make_amqp_check(self):
result = make_amqp_check('localhost', 8080, 'foo',
'bar', use_ssl=True, vhost='/')
self.assertIsInstance(result, MultiCheck)
self.assertIs(result.strategy, sequential_strategy)
self.assertEqual(len(result.subchecks), 3)
self.assertThat(result.subchecks[0],
FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
self.assertThat(result.subchecks[1],
FunctionCheckMatcher('ssl:localhost:8080', 'localhost:8080'))
self.assertThat(result.subchecks[2],
FunctionCheckMatcher('amqp:localhost:8080', 'user foo'))
def test_make_amqp_check_no_ssl(self):
result = make_amqp_check('localhost', 8080, 'foo',
'bar', use_ssl=False, vhost='/')
self.assertIsInstance(result, MultiCheck)
self.assertIs(result.strategy, sequential_strategy)
self.assertEqual(len(result.subchecks), 2)
self.assertThat(result.subchecks[0],
FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
self.assertThat(result.subchecks[1],
FunctionCheckMatcher('amqp:localhost:8080', 'user foo'))
def test_make_postgres_check(self):
result = make_postgres_check('localhost', 8080,'foo',
'bar', 'test')
self.assertIsInstance(result, MultiCheck)
self.assertIs(result.strategy, sequential_strategy)
self.assertEqual(len(result.subchecks), 2)
self.assertThat(result.subchecks[0],
FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
self.assertThat(result.subchecks[1],
FunctionCheckMatcher('postgres:localhost:8080', 'user foo', blocking=True))
def test_make_postgres_check_local_socket(self):
result = make_postgres_check('/local.sock', 8080,'foo',
'bar', 'test')
self.assertIsInstance(result, MultiCheck)
self.assertIs(result.strategy, sequential_strategy)
self.assertEqual(len(result.subchecks), 1)
self.assertThat(result.subchecks[0],
FunctionCheckMatcher('postgres:/local.sock:8080', 'user foo', blocking=True))
def test_make_redis_check(self):
result = make_redis_check('localhost', 8080)
self.assertIsInstance(result, PrefixCheckWrapper)
self.assertEqual(result.prefix, 'redis:localhost:8080:')
wrapped = result.wrapped
self.assertIsInstance(wrapped, MultiCheck)
self.assertIs(wrapped.strategy, sequential_strategy)
self.assertEqual(len(wrapped.subchecks), 2)
self.assertThat(wrapped.subchecks[0],
FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
self.assertThat(wrapped.subchecks[1], FunctionCheckMatcher('connect', None))
def test_make_redis_check_with_password(self):
result = make_redis_check('localhost', 8080, 'foobar')
self.assertIsInstance(result, PrefixCheckWrapper)
self.assertEqual(result.prefix, 'redis:localhost:8080:')
wrapped = result.wrapped
self.assertIsInstance(wrapped, MultiCheck)
self.assertIs(wrapped.strategy, sequential_strategy)
self.assertEqual(len(wrapped.subchecks), 2)
self.assertThat(wrapped.subchecks[0],
FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
self.assertThat(wrapped.subchecks[1],
FunctionCheckMatcher('connect with auth', None))
def test_make_memcache_check(self):
result = make_memcache_check('localhost', 8080)
self.assertIsInstance(result, PrefixCheckWrapper)
self.assertEqual(result.prefix, 'memcache:localhost:8080:')
wrapped = result.wrapped
self.assertIsInstance(wrapped, MultiCheck)
self.assertIs(wrapped.strategy, sequential_strategy)
self.assertEqual(len(wrapped.subchecks), 2)
self.assertThat(wrapped.subchecks[0],
FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
self.assertThat(wrapped.subchecks[1], FunctionCheckMatcher('connect', None))
def test_check_from_description_unknown_type(self):
e = self.assertRaises(AssertionError,
check_from_description, {'type': 'foo'})
self.assertEqual(
str(e),
"Unknown check type: foo, available checks: {}".format(CHECKS.keys()))
def test_check_from_description_missing_arg(self):
description = {'type': 'tcp'}
e = self.assertRaises(AssertionError,
check_from_description, description)
self.assertEqual(
str(e),
"host missing from check: {}".format(description))
def test_check_from_description_makes_check(self):
description = {'type': 'tcp', 'host': 'localhost', 'port': '8080'}
result = check_from_description(description)
self.assertThat(result,
FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
def test_build_checks(self):
description = [{'type': 'tcp', 'host': 'localhost', 'port': '8080'}]
result = build_checks(description)
self.assertThat(result,
MultiCheckMatcher(strategy=parallel_strategy,
subchecks=[FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080')]))
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