def test_httpd(self):
# dual stack (addresses is ipv4 and ipv6)
if self.ipv6_enabled:
server_addresses = (get_availaddr('::1'), get_availaddr())
self.stats_httpd = MyStatsHttpd(*server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertTrue(ht.address_family in set([socket.AF_INET,
socket.AF_INET6]))
self.assertTrue(isinstance(ht.socket, socket.socket))
ht.socket.close() # to silence warning about resource leak
self.stats_httpd.close_mccs() # ditto
# dual stack (address is ipv6)
if self.ipv6_enabled:
server_addresses = get_availaddr('::1')
self.stats_httpd = MyStatsHttpd(server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertEqual(ht.address_family, socket.AF_INET6)
self.assertTrue(isinstance(ht.socket, socket.socket))
ht.socket.close()
self.stats_httpd.close_mccs() # ditto
# dual/single stack (address is ipv4)
server_addresses = get_availaddr()
self.stats_httpd = MyStatsHttpd(server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertEqual(ht.address_family, socket.AF_INET)
self.assertTrue(isinstance(ht.socket, socket.socket))
ht.socket.close()
self.stats_httpd.close_mccs()
def test_open_template(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
# successful conditions
tmpl = self.stats_httpd.open_template(
stats_httpd.XML_TEMPLATE_LOCATION)
self.assertTrue(isinstance(tmpl, string.Template))
opts = dict(
xml_string="<dummy></dummy>",
xsl_url_path="/path/to/")
lines = tmpl.substitute(opts)
for n in opts:
self.assertGreater(lines.find(opts[n]), 0)
tmpl = self.stats_httpd.open_template(
stats_httpd.XSD_TEMPLATE_LOCATION)
self.assertTrue(isinstance(tmpl, string.Template))
opts = dict(xsd_namespace="http://host/path/to/")
lines = tmpl.substitute(opts)
for n in opts:
self.assertGreater(lines.find(opts[n]), 0)
tmpl = self.stats_httpd.open_template(
stats_httpd.XSL_TEMPLATE_LOCATION)
self.assertTrue(isinstance(tmpl, string.Template))
opts = dict(xsd_namespace="http://host/path/to/")
lines = tmpl.substitute(opts)
for n in opts:
self.assertGreater(lines.find(opts[n]), 0)
# unsuccessful condition
self.assertRaises(
stats_httpd.StatsHttpdDataError,
self.stats_httpd.open_template, '/path/to/foo/bar')
def test_xsd_handler(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
xsd_string = self.stats_httpd.xsd_handler()
stats_xsd = xml.etree.ElementTree.fromstring(xsd_string)
ns = '{%s}' % XMLNS_XSD
stats_xsd = stats_xsd[1].find('%scomplexType/%ssequence/%selement' % ((ns,)*3))
self.assertEqual('item', stats_xsd.attrib['name'])
stats_xsd = stats_xsd.find('%scomplexType' % ns)
type_types = ('boolean', 'integer', 'real', 'string', 'map', \
'list', 'named_set', 'any')
attribs = [('identifier', 'string', 'required'),
('value', 'string', 'optional'),
('owner', 'string', 'required'),
('uri', 'anyURI', 'required'),
('name', 'string', 'required'),
('type', type_types, 'required'),
('description', 'string', 'optional'),
('title', 'string', 'optional'),
('optional', 'boolean', 'optional'),
('default', 'string', 'optional'),
('format', 'string', 'optional')]
for i in range(0, len(attribs)):
self.assertEqual(attribs[i][0], stats_xsd[i].attrib['name'])
if attribs[i][0] == 'type':
stats_xsd_types = \
stats_xsd[i].find('%ssimpleType/%srestriction' % \
((ns,)*2))
for j in range(0, len(attribs[i][1])):
self.assertEqual(attribs[i][1][j], \
stats_xsd_types[j].attrib['value'])
else:
self.assertEqual(attribs[i][1], stats_xsd[i].attrib['type'])
self.assertEqual(attribs[i][2], stats_xsd[i].attrib['use'])
def test_failure_with_a_select_error (self):
"""checks select.error is raised if the exception except
errno.EINTR is raised while it's selecting"""
def raise_select_except(*args):
raise select.error('dummy error')
select.select = raise_select_except
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertRaises(select.error, self.stats_httpd.start)
def test_httpd_anyIPv4(self):
# any address (IPv4)
server_addresses = get_availaddr(address='0.0.0.0')
self.stats_httpd = MyStatsHttpd(server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertEqual(ht.address_family,socket.AF_INET)
self.assertTrue(isinstance(ht.socket, socket.socket))
def test_nofailure_with_errno_EINTR(self):
"""checks no exception is raised if errno.EINTR is raised
while it's selecting"""
self.__call_count = 0
select.select = lambda r, w, x, t: self.__faked_select(
select.error(errno.EINTR))
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.stats_httpd.start() # shouldn't leak the exception
self.assertFalse(self.stats_httpd.running)
self.assertIsNone(self.stats_httpd.mccs)
def test_commands(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertEqual(self.stats_httpd.command_handler("status", None),
isc.config.ccsession.create_answer(
0, "Stats Httpd is up. (PID " + str(os.getpid()) + ")"))
self.stats_httpd.running = True
self.assertEqual(self.stats_httpd.command_handler("shutdown", None),
isc.config.ccsession.create_answer(0))
self.assertFalse(self.stats_httpd.running)
self.assertEqual(
self.stats_httpd.command_handler("__UNKNOWN_COMMAND__", None),
isc.config.ccsession.create_answer(
1, "Unknown command: __UNKNOWN_COMMAND__"))
def test_openclose_mccs(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
mccs = self.stats_httpd.mccs
self.assertFalse(self.stats_httpd.mccs.stopped)
self.assertFalse(self.stats_httpd.mccs.closed)
self.stats_httpd.close_mccs()
self.assertTrue(mccs.stopped)
self.assertTrue(mccs.closed)
self.assertIsNone(self.stats_httpd.mccs)
self.stats_httpd.open_mccs()
self.assertIsNotNone(self.stats_httpd.mccs)
self.stats_httpd.mccs = None
self.assertIsNone(self.stats_httpd.mccs)
self.assertIsNone(self.stats_httpd.close_mccs())
def test_mccs(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertIsNotNone(self.stats_httpd.mccs.get_socket())
self.assertTrue(
isinstance(self.stats_httpd.mccs.get_socket(), socket.socket))
self.assertIsNotNone(self.stats_httpd.cc_session)
statistics_spec = self.stats_httpd.get_stats_spec()
for mod in DUMMY_DATA:
self.assertTrue(mod in statistics_spec)
for cfg in statistics_spec[mod]:
self.assertTrue('item_name' in cfg)
self.assertTrue(cfg['item_name'] in DUMMY_DATA[mod])
self.assertTrue(len(statistics_spec[mod]), len(DUMMY_DATA[mod]))
self.stats_httpd.close_mccs()
self.assertIsNone(self.stats_httpd.mccs)
def test_config(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertEqual(
self.stats_httpd.config_handler(dict(_UNKNOWN_KEY_=None)),
isc.config.ccsession.create_answer(
1, "unknown item _UNKNOWN_KEY_"))
addresses = get_availaddr()
self.assertEqual(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address=addresses[0],port=addresses[1])])),
isc.config.ccsession.create_answer(0))
self.assertTrue("listen_on" in self.stats_httpd.config)
for addr in self.stats_httpd.config["listen_on"]:
self.assertTrue("address" in addr)
self.assertTrue("port" in addr)
self.assertTrue(addr["address"] == addresses[0])
self.assertTrue(addr["port"] == addresses[1])
if self.ipv6_enabled:
addresses = get_availaddr("::1")
self.assertEqual(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address=addresses[0],port=addresses[1])])),
isc.config.ccsession.create_answer(0))
self.assertTrue("listen_on" in self.stats_httpd.config)
for addr in self.stats_httpd.config["listen_on"]:
self.assertTrue("address" in addr)
self.assertTrue("port" in addr)
self.assertTrue(addr["address"] == addresses[0])
self.assertTrue(addr["port"] == addresses[1])
addresses = get_availaddr()
self.assertEqual(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address=addresses[0],port=addresses[1])])),
isc.config.ccsession.create_answer(0))
self.assertTrue("listen_on" in self.stats_httpd.config)
for addr in self.stats_httpd.config["listen_on"]:
self.assertTrue("address" in addr)
self.assertTrue("port" in addr)
self.assertTrue(addr["address"] == addresses[0])
self.assertTrue(addr["port"] == addresses[1])
(ret, arg) = isc.config.ccsession.parse_answer(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address="1.2.3.4",port=543210)]))
)
self.assertEqual(ret, 1)
def test_init(self):
server_address = get_availaddr()
self.stats_httpd = MyStatsHttpd(server_address)
self.assertEqual(self.stats_httpd.running, False)
self.assertEqual(self.stats_httpd.poll_intval, 0.5)
self.assertNotEqual(len(self.stats_httpd.httpd), 0)
self.assertIsNotNone(self.stats_httpd.mccs)
self.assertIsNotNone(self.stats_httpd.cc_session)
# The real CfgMgr would return 'version', but our test mock omits it,
# so the len(config) should be 1
self.assertEqual(len(self.stats_httpd.config), 1)
self.assertTrue('listen_on' in self.stats_httpd.config)
self.assertEqual(len(self.stats_httpd.config['listen_on']), 1)
self.assertTrue('address' in self.stats_httpd.config['listen_on'][0])
self.assertTrue('port' in self.stats_httpd.config['listen_on'][0])
self.assertTrue(server_address in set(self.stats_httpd.http_addrs))
self.assertEqual('StatsHttpd', self.stats_httpd.mccs.\
get_module_spec().get_module_name())
def test_xsl_handler(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
xsl_string = self.stats_httpd.xsl_handler()
stats_xsl = xml.etree.ElementTree.fromstring(xsl_string)
nst = '{%s}' % XMLNS_XSL
nsx = '{%s}' % XMLNS_XHTML
self.assertEqual("bind10:statistics", stats_xsl[2].attrib['match'])
stats_xsl = stats_xsl[2].find('%stable' % nsx)
self.assertEqual('item', stats_xsl[1].attrib['select'])
stats_xsl = stats_xsl[1].find('%str' % nsx)
self.assertEqual('@uri', stats_xsl[0].find(
'%selement/%sattribute/%svalue-of' % ((nst,)*3)).attrib['select'])
self.assertEqual('@identifier', stats_xsl[0].find(
'%selement/%svalue-of' % ((nst,)*2)).attrib['select'])
self.assertEqual('@value', stats_xsl[1].find('%sif' % nst).attrib['test'])
self.assertEqual('@value', stats_xsl[1].find('%sif/%svalue-of' % ((nst,)*2)).attrib['select'])
self.assertEqual('@description', stats_xsl[2].find('%sif' % nst).attrib['test'])
self.assertEqual('@description', stats_xsl[2].find('%sif/%svalue-of' % ((nst,)*2)).attrib['select'])
def test_running(self):
# Previous version of this test checks the result of "status" and
# "shutdown" commands; however, they are more explicitly tested
# in specific tests. In this test we only have to check:
# - start() will set 'running' to True
# - as long as 'running' is True, it keeps calling select.select
# - when running becomes False, it exists from the loop and calls
# stop()
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertFalse(self.stats_httpd.running)
# In this test we'll call select.select() 2 times: on the first call
# stats_httpd.running should be True; on the second call the faked
# select() will set it to False.
self.__call_count = 0
select.select = lambda r, w, x, t: self.__faked_select()
self.stats_httpd.start()
self.assertFalse(self.stats_httpd.running)
self.assertIsNone(self.stats_httpd.mccs) # stop() clears .mccs
def test_xml_handler(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
module_name = 'Dummy'
stats_spec = \
{ module_name :
[{
"item_name": "foo",
"item_type": "string",
"item_optional": False,
"item_default": "bar",
"item_description": "foo is bar",
"item_title": "Foo"
},
{
"item_name": "foo2",
"item_type": "list",
"item_optional": False,
"item_default": [
{
"zonename" : "test1",
"queries.udp" : 1,
"queries.tcp" : 2
},
{
"zonename" : "test2",
"queries.udp" : 3,
"queries.tcp" : 4
}
],
"item_title": "Foo bar",
"item_description": "Foo bar",
"list_item_spec": {
"item_name": "foo2-1",
"item_type": "map",
"item_optional": False,
"item_default": {},
"map_item_spec": [
{
"item_name": "foo2-1-1",
"item_type": "string",
"item_optional": False,
"item_default": "",
"item_title": "Foo2 1 1",
"item_description": "Foo bar"
},
{
"item_name": "foo2-1-2",
"item_type": "integer",
"item_optional": False,
"item_default": 0,
"item_title": "Foo2 1 2",
"item_description": "Foo bar"
},
{
"item_name": "foo2-1-3",
"item_type": "integer",
"item_optional": False,
"item_default": 0,
"item_title": "Foo2 1 3",
"item_description": "Foo bar"
}
]
}
}]
}
stats_data = \
{ module_name : { 'foo':'bar',
'foo2': [
{
"foo2-1-1" : "bar1",
"foo2-1-2" : 10,
"foo2-1-3" : 9
},
{
"foo2-1-1" : "bar2",
"foo2-1-2" : 8,
"foo2-1-3" : 7
}
] } }
self.stats_httpd.get_stats_spec = lambda x,y: stats_spec
self.stats_httpd.get_stats_data = lambda x,y: stats_data
xml_string = self.stats_httpd.xml_handler()
stats_xml = xml.etree.ElementTree.fromstring(xml_string)
schema_loc = '{%s}schemaLocation' % XMLNS_XSI
self.assertEqual(stats_xml.attrib[schema_loc],
stats_httpd.XML_ROOT_ATTRIB['xsi:schemaLocation'])
stats_data = stats_data[module_name]
stats_spec = stats_spec[module_name]
names = stats_httpd.item_name_list(stats_data, '')
for i in range(0, len(names)):
self.assertEqual('%s/%s' % (module_name, names[i]), stats_xml[i].attrib['identifier'])
value = isc.cc.data.find(stats_data, names[i])
if type(value) is int:
value = str(value)
if type(value) is dict or type(value) is list:
self.assertFalse('value' in stats_xml[i].attrib)
else:
self.assertEqual(value, stats_xml[i].attrib['value'])
self.assertEqual(module_name, stats_xml[i].attrib['owner'])
self.assertEqual(urllib.parse.quote('%s/%s/%s' % (stats_httpd.XML_URL_PATH,
module_name, names[i])),
stats_xml[i].attrib['uri'])
spec = isc.config.find_spec_part(stats_spec, names[i])
self.assertEqual(spec['item_name'], stats_xml[i].attrib['name'])
self.assertEqual(spec['item_type'], stats_xml[i].attrib['type'])
self.assertEqual(spec['item_description'], stats_xml[i].attrib['description'])
self.assertEqual(spec['item_title'], stats_xml[i].attrib['title'])
self.assertEqual(str(spec['item_optional']).lower(), stats_xml[i].attrib['optional'])
default = spec['item_default']
if type(default) is int:
default = str(default)
if type(default) is dict or type(default) is list:
self.assertFalse('default' in stats_xml[i].attrib)
else:
self.assertEqual(default, stats_xml[i].attrib['default'])
self.assertFalse('item_format' in spec)
self.assertFalse('format' in stats_xml[i].attrib)
def test_running_fail(self):
# A failure case of start(): we close the (real but dummy) socket for
# the CC session. This breaks the select-loop due to exception
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.stats_httpd.mccs.get_socket().close()
self.assertRaises(ValueError, self.stats_httpd.start)
class TestStatsHttpd(unittest.TestCase):
"""Tests for StatsHttpd class"""
def setUp(self):
# set the signal handler for deadlock
self.sig_handler = SignalHandler(self.fail)
# checking IPv6 enabled on this platform
self.ipv6_enabled = is_ipv6_enabled()
# instantiation of StatsHttpd indirectly calls gethostbyaddr(), which
# can block for an uncontrollable period, leading many undesirable
# results. We should rather eliminate the reliance, but until we
# can make such fundamental cleanup we replace it with a faked method;
# in our test scenario the return value doesn't matter.
self.__gethostbyaddr_orig = socket.gethostbyaddr
socket.gethostbyaddr = lambda x: ('test.example.', [], None)
# Some tests replace this library function. Keep the original for
# restor
self.__orig_select_select = select.select
def tearDown(self):
socket.gethostbyaddr = self.__gethostbyaddr_orig
if hasattr(self, "stats_httpd"):
self.stats_httpd.stop()
# reset the signal handler
self.sig_handler.reset()
# restore original of replaced library
select.select = self.__orig_select_select
def test_init(self):
server_address = get_availaddr()
self.stats_httpd = MyStatsHttpd(server_address)
self.assertEqual(self.stats_httpd.running, False)
self.assertEqual(self.stats_httpd.poll_intval, 0.5)
self.assertNotEqual(len(self.stats_httpd.httpd), 0)
self.assertIsNotNone(self.stats_httpd.mccs)
self.assertIsNotNone(self.stats_httpd.cc_session)
# The real CfgMgr would return 'version', but our test mock omits it,
# so the len(config) should be 1
self.assertEqual(len(self.stats_httpd.config), 1)
self.assertTrue('listen_on' in self.stats_httpd.config)
self.assertEqual(len(self.stats_httpd.config['listen_on']), 1)
self.assertTrue('address' in self.stats_httpd.config['listen_on'][0])
self.assertTrue('port' in self.stats_httpd.config['listen_on'][0])
self.assertTrue(server_address in set(self.stats_httpd.http_addrs))
self.assertEqual('StatsHttpd', self.stats_httpd.mccs.\
get_module_spec().get_module_name())
def test_init_hterr(self):
"""Test the behavior of StatsHttpd constructor when open_httpd fails.
We specifically check the following two:
- close_mccs() is called (so stats-httpd tells ConfigMgr it's shutting
down)
- the constructor results in HttpServerError exception.
"""
self.__mccs_closed = False
def call_checker():
self.__mccs_closed = True
class FailingStatsHttpd(MyStatsHttpd):
def open_httpd(self):
raise stats_httpd.HttpServerError
def close_mccs(self):
call_checker()
self.assertRaises(stats_httpd.HttpServerError, FailingStatsHttpd)
self.assertTrue(self.__mccs_closed)
def test_openclose_mccs(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
mccs = self.stats_httpd.mccs
self.assertFalse(self.stats_httpd.mccs.stopped)
self.assertFalse(self.stats_httpd.mccs.closed)
self.stats_httpd.close_mccs()
self.assertTrue(mccs.stopped)
self.assertTrue(mccs.closed)
self.assertIsNone(self.stats_httpd.mccs)
self.stats_httpd.open_mccs()
self.assertIsNotNone(self.stats_httpd.mccs)
self.stats_httpd.mccs = None
self.assertIsNone(self.stats_httpd.mccs)
self.assertIsNone(self.stats_httpd.close_mccs())
def test_mccs(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertIsNotNone(self.stats_httpd.mccs.get_socket())
self.assertTrue(
isinstance(self.stats_httpd.mccs.get_socket(), socket.socket))
self.assertIsNotNone(self.stats_httpd.cc_session)
statistics_spec = self.stats_httpd.get_stats_spec()
for mod in DUMMY_DATA:
self.assertTrue(mod in statistics_spec)
for cfg in statistics_spec[mod]:
self.assertTrue('item_name' in cfg)
self.assertTrue(cfg['item_name'] in DUMMY_DATA[mod])
self.assertTrue(len(statistics_spec[mod]), len(DUMMY_DATA[mod]))
self.stats_httpd.close_mccs()
self.assertIsNone(self.stats_httpd.mccs)
def test_httpd(self):
# dual stack (addresses is ipv4 and ipv6)
if self.ipv6_enabled:
server_addresses = (get_availaddr('::1'), get_availaddr())
self.stats_httpd = MyStatsHttpd(*server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertTrue(ht.address_family in set([socket.AF_INET,
socket.AF_INET6]))
self.assertTrue(isinstance(ht.socket, socket.socket))
ht.socket.close() # to silence warning about resource leak
self.stats_httpd.close_mccs() # ditto
# dual stack (address is ipv6)
if self.ipv6_enabled:
server_addresses = get_availaddr('::1')
self.stats_httpd = MyStatsHttpd(server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertEqual(ht.address_family, socket.AF_INET6)
self.assertTrue(isinstance(ht.socket, socket.socket))
ht.socket.close()
self.stats_httpd.close_mccs() # ditto
# dual/single stack (address is ipv4)
server_addresses = get_availaddr()
self.stats_httpd = MyStatsHttpd(server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertEqual(ht.address_family, socket.AF_INET)
self.assertTrue(isinstance(ht.socket, socket.socket))
ht.socket.close()
self.stats_httpd.close_mccs()
def test_httpd_anyIPv4(self):
# any address (IPv4)
server_addresses = get_availaddr(address='0.0.0.0')
self.stats_httpd = MyStatsHttpd(server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertEqual(ht.address_family,socket.AF_INET)
self.assertTrue(isinstance(ht.socket, socket.socket))
def test_httpd_anyIPv6(self):
# any address (IPv6)
if self.ipv6_enabled:
server_addresses = get_availaddr(address='::')
self.stats_httpd = MyStatsHttpd(server_addresses)
for ht in self.stats_httpd.httpd:
self.assertTrue(isinstance(ht, stats_httpd.HttpServer))
self.assertEqual(ht.address_family,socket.AF_INET6)
self.assertTrue(isinstance(ht.socket, socket.socket))
def test_httpd_failed(self):
# existent hostname
self.assertRaises(stats_httpd.HttpServerError, MyStatsHttpd,
get_availaddr(address='localhost'))
# nonexistent hostname
self.assertRaises(stats_httpd.HttpServerError, MyStatsHttpd,
('my.host.domain', 8000))
# over flow of port number
self.assertRaises(stats_httpd.HttpServerError, MyStatsHttpd,
('127.0.0.1', 80000))
# negative
self.assertRaises(stats_httpd.HttpServerError, MyStatsHttpd,
('127.0.0.1', -8000))
# alphabet
self.assertRaises(stats_httpd.HttpServerError, MyStatsHttpd,
('127.0.0.1', 'ABCDE'))
# Address already in use
server_addresses = get_availaddr()
server = MyStatsHttpd(server_addresses)
self.assertRaises(stats_httpd.HttpServerError, MyStatsHttpd,
server_addresses)
def __faked_select(self, ex=None):
"""A helper subroutine for tests using faked select.select.
See test_running() for basic features. If ex is not None,
it's assumed to be an exception object and will be raised on the
first call.
"""
self.assertTrue(self.stats_httpd.running)
self.__call_count += 1
if ex is not None and self.__call_count == 1:
raise ex
if self.__call_count == 2:
self.stats_httpd.running = False
assert self.__call_count <= 2 # safety net to avoid infinite loop
return ([], [], [])
def test_running(self):
# Previous version of this test checks the result of "status" and
# "shutdown" commands; however, they are more explicitly tested
# in specific tests. In this test we only have to check:
# - start() will set 'running' to True
# - as long as 'running' is True, it keeps calling select.select
# - when running becomes False, it exists from the loop and calls
# stop()
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertFalse(self.stats_httpd.running)
# In this test we'll call select.select() 2 times: on the first call
# stats_httpd.running should be True; on the second call the faked
# select() will set it to False.
self.__call_count = 0
select.select = lambda r, w, x, t: self.__faked_select()
self.stats_httpd.start()
self.assertFalse(self.stats_httpd.running)
self.assertIsNone(self.stats_httpd.mccs) # stop() clears .mccs
def test_running_fail(self):
# A failure case of start(): we close the (real but dummy) socket for
# the CC session. This breaks the select-loop due to exception
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.stats_httpd.mccs.get_socket().close()
self.assertRaises(ValueError, self.stats_httpd.start)
def test_failure_with_a_select_error (self):
"""checks select.error is raised if the exception except
errno.EINTR is raised while it's selecting"""
def raise_select_except(*args):
raise select.error('dummy error')
select.select = raise_select_except
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertRaises(select.error, self.stats_httpd.start)
def test_nofailure_with_errno_EINTR(self):
"""checks no exception is raised if errno.EINTR is raised
while it's selecting"""
self.__call_count = 0
select.select = lambda r, w, x, t: self.__faked_select(
select.error(errno.EINTR))
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.stats_httpd.start() # shouldn't leak the exception
self.assertFalse(self.stats_httpd.running)
self.assertIsNone(self.stats_httpd.mccs)
def test_open_template(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
# successful conditions
tmpl = self.stats_httpd.open_template(
stats_httpd.XML_TEMPLATE_LOCATION)
self.assertTrue(isinstance(tmpl, string.Template))
opts = dict(
xml_string="<dummy></dummy>",
xsl_url_path="/path/to/")
lines = tmpl.substitute(opts)
for n in opts:
self.assertGreater(lines.find(opts[n]), 0)
tmpl = self.stats_httpd.open_template(
stats_httpd.XSD_TEMPLATE_LOCATION)
self.assertTrue(isinstance(tmpl, string.Template))
opts = dict(xsd_namespace="http://host/path/to/")
lines = tmpl.substitute(opts)
for n in opts:
self.assertGreater(lines.find(opts[n]), 0)
tmpl = self.stats_httpd.open_template(
stats_httpd.XSL_TEMPLATE_LOCATION)
self.assertTrue(isinstance(tmpl, string.Template))
opts = dict(xsd_namespace="http://host/path/to/")
lines = tmpl.substitute(opts)
for n in opts:
self.assertGreater(lines.find(opts[n]), 0)
# unsuccessful condition
self.assertRaises(
stats_httpd.StatsHttpdDataError,
self.stats_httpd.open_template, '/path/to/foo/bar')
def test_commands(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertEqual(self.stats_httpd.command_handler("status", None),
isc.config.ccsession.create_answer(
0, "Stats Httpd is up. (PID " + str(os.getpid()) + ")"))
self.stats_httpd.running = True
self.assertEqual(self.stats_httpd.command_handler("shutdown", None),
isc.config.ccsession.create_answer(0))
self.assertFalse(self.stats_httpd.running)
self.assertEqual(
self.stats_httpd.command_handler("__UNKNOWN_COMMAND__", None),
isc.config.ccsession.create_answer(
1, "Unknown command: __UNKNOWN_COMMAND__"))
def test_config(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
self.assertEqual(
self.stats_httpd.config_handler(dict(_UNKNOWN_KEY_=None)),
isc.config.ccsession.create_answer(
1, "unknown item _UNKNOWN_KEY_"))
addresses = get_availaddr()
self.assertEqual(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address=addresses[0],port=addresses[1])])),
isc.config.ccsession.create_answer(0))
self.assertTrue("listen_on" in self.stats_httpd.config)
for addr in self.stats_httpd.config["listen_on"]:
self.assertTrue("address" in addr)
self.assertTrue("port" in addr)
self.assertTrue(addr["address"] == addresses[0])
self.assertTrue(addr["port"] == addresses[1])
if self.ipv6_enabled:
addresses = get_availaddr("::1")
self.assertEqual(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address=addresses[0],port=addresses[1])])),
isc.config.ccsession.create_answer(0))
self.assertTrue("listen_on" in self.stats_httpd.config)
for addr in self.stats_httpd.config["listen_on"]:
self.assertTrue("address" in addr)
self.assertTrue("port" in addr)
self.assertTrue(addr["address"] == addresses[0])
self.assertTrue(addr["port"] == addresses[1])
addresses = get_availaddr()
self.assertEqual(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address=addresses[0],port=addresses[1])])),
isc.config.ccsession.create_answer(0))
self.assertTrue("listen_on" in self.stats_httpd.config)
for addr in self.stats_httpd.config["listen_on"]:
self.assertTrue("address" in addr)
self.assertTrue("port" in addr)
self.assertTrue(addr["address"] == addresses[0])
self.assertTrue(addr["port"] == addresses[1])
(ret, arg) = isc.config.ccsession.parse_answer(
self.stats_httpd.config_handler(
dict(listen_on=[dict(address="1.2.3.4",port=543210)]))
)
self.assertEqual(ret, 1)
@unittest.skipUnless(xml_parser, "skipping the test using XMLParser")
def test_xml_handler(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
module_name = 'Dummy'
stats_spec = \
{ module_name :
[{
"item_name": "foo",
"item_type": "string",
"item_optional": False,
"item_default": "bar",
"item_description": "foo is bar",
"item_title": "Foo"
},
{
"item_name": "foo2",
"item_type": "list",
"item_optional": False,
"item_default": [
{
"zonename" : "test1",
"queries.udp" : 1,
"queries.tcp" : 2
},
{
"zonename" : "test2",
"queries.udp" : 3,
"queries.tcp" : 4
}
],
"item_title": "Foo bar",
"item_description": "Foo bar",
"list_item_spec": {
"item_name": "foo2-1",
"item_type": "map",
"item_optional": False,
"item_default": {},
"map_item_spec": [
{
"item_name": "foo2-1-1",
"item_type": "string",
"item_optional": False,
"item_default": "",
"item_title": "Foo2 1 1",
"item_description": "Foo bar"
},
{
"item_name": "foo2-1-2",
"item_type": "integer",
"item_optional": False,
"item_default": 0,
"item_title": "Foo2 1 2",
"item_description": "Foo bar"
},
{
"item_name": "foo2-1-3",
"item_type": "integer",
"item_optional": False,
"item_default": 0,
"item_title": "Foo2 1 3",
"item_description": "Foo bar"
}
]
}
}]
}
stats_data = \
{ module_name : { 'foo':'bar',
'foo2': [
{
"foo2-1-1" : "bar1",
"foo2-1-2" : 10,
"foo2-1-3" : 9
},
{
"foo2-1-1" : "bar2",
"foo2-1-2" : 8,
"foo2-1-3" : 7
}
] } }
self.stats_httpd.get_stats_spec = lambda x,y: stats_spec
self.stats_httpd.get_stats_data = lambda x,y: stats_data
xml_string = self.stats_httpd.xml_handler()
stats_xml = xml.etree.ElementTree.fromstring(xml_string)
schema_loc = '{%s}schemaLocation' % XMLNS_XSI
self.assertEqual(stats_xml.attrib[schema_loc],
stats_httpd.XML_ROOT_ATTRIB['xsi:schemaLocation'])
stats_data = stats_data[module_name]
stats_spec = stats_spec[module_name]
names = stats_httpd.item_name_list(stats_data, '')
for i in range(0, len(names)):
self.assertEqual('%s/%s' % (module_name, names[i]), stats_xml[i].attrib['identifier'])
value = isc.cc.data.find(stats_data, names[i])
if type(value) is int:
value = str(value)
if type(value) is dict or type(value) is list:
self.assertFalse('value' in stats_xml[i].attrib)
else:
self.assertEqual(value, stats_xml[i].attrib['value'])
self.assertEqual(module_name, stats_xml[i].attrib['owner'])
self.assertEqual(urllib.parse.quote('%s/%s/%s' % (stats_httpd.XML_URL_PATH,
module_name, names[i])),
stats_xml[i].attrib['uri'])
spec = isc.config.find_spec_part(stats_spec, names[i])
self.assertEqual(spec['item_name'], stats_xml[i].attrib['name'])
self.assertEqual(spec['item_type'], stats_xml[i].attrib['type'])
self.assertEqual(spec['item_description'], stats_xml[i].attrib['description'])
self.assertEqual(spec['item_title'], stats_xml[i].attrib['title'])
self.assertEqual(str(spec['item_optional']).lower(), stats_xml[i].attrib['optional'])
default = spec['item_default']
if type(default) is int:
default = str(default)
if type(default) is dict or type(default) is list:
self.assertFalse('default' in stats_xml[i].attrib)
else:
self.assertEqual(default, stats_xml[i].attrib['default'])
self.assertFalse('item_format' in spec)
self.assertFalse('format' in stats_xml[i].attrib)
@unittest.skipUnless(xml_parser, "skipping the test using XMLParser")
def test_xsd_handler(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
xsd_string = self.stats_httpd.xsd_handler()
stats_xsd = xml.etree.ElementTree.fromstring(xsd_string)
ns = '{%s}' % XMLNS_XSD
stats_xsd = stats_xsd[1].find('%scomplexType/%ssequence/%selement' % ((ns,)*3))
self.assertEqual('item', stats_xsd.attrib['name'])
stats_xsd = stats_xsd.find('%scomplexType' % ns)
type_types = ('boolean', 'integer', 'real', 'string', 'map', \
'list', 'named_set', 'any')
attribs = [('identifier', 'string', 'required'),
('value', 'string', 'optional'),
('owner', 'string', 'required'),
('uri', 'anyURI', 'required'),
('name', 'string', 'required'),
('type', type_types, 'required'),
('description', 'string', 'optional'),
('title', 'string', 'optional'),
('optional', 'boolean', 'optional'),
('default', 'string', 'optional'),
('format', 'string', 'optional')]
for i in range(0, len(attribs)):
self.assertEqual(attribs[i][0], stats_xsd[i].attrib['name'])
if attribs[i][0] == 'type':
stats_xsd_types = \
stats_xsd[i].find('%ssimpleType/%srestriction' % \
((ns,)*2))
for j in range(0, len(attribs[i][1])):
self.assertEqual(attribs[i][1][j], \
stats_xsd_types[j].attrib['value'])
else:
self.assertEqual(attribs[i][1], stats_xsd[i].attrib['type'])
self.assertEqual(attribs[i][2], stats_xsd[i].attrib['use'])
@unittest.skipUnless(xml_parser, "skipping the test using XMLParser")
def test_xsl_handler(self):
self.stats_httpd = MyStatsHttpd(get_availaddr())
xsl_string = self.stats_httpd.xsl_handler()
stats_xsl = xml.etree.ElementTree.fromstring(xsl_string)
nst = '{%s}' % XMLNS_XSL
nsx = '{%s}' % XMLNS_XHTML
self.assertEqual("bind10:statistics", stats_xsl[2].attrib['match'])
stats_xsl = stats_xsl[2].find('%stable' % nsx)
self.assertEqual('item', stats_xsl[1].attrib['select'])
stats_xsl = stats_xsl[1].find('%str' % nsx)
self.assertEqual('@uri', stats_xsl[0].find(
'%selement/%sattribute/%svalue-of' % ((nst,)*3)).attrib['select'])
self.assertEqual('@identifier', stats_xsl[0].find(
'%selement/%svalue-of' % ((nst,)*2)).attrib['select'])
self.assertEqual('@value', stats_xsl[1].find('%sif' % nst).attrib['test'])
self.assertEqual('@value', stats_xsl[1].find('%sif/%svalue-of' % ((nst,)*2)).attrib['select'])
self.assertEqual('@description', stats_xsl[2].find('%sif' % nst).attrib['test'])
self.assertEqual('@description', stats_xsl[2].find('%sif/%svalue-of' % ((nst,)*2)).attrib['select'])