Exemple #1
0
    def test(self):
        storage = Storage({})

        t = storage.makeRef(Person('Tom', 3))
        d = storage.makeRef(Person('Dick', 3))

        storage['c'] = c = Collection(storage)

        c.add(t)
        c.add(d)

        self.assertEqual(len(c.values()), 2)

        del c
        self.assertEqual(storage.cache.values(), [])

        t.setAge(4)

        c = storage['c']

        # The info for Tom in c has been updated.
        self.assertEqual(c.count(QTerm(':age', 'eq', 4)), 1)

        ti = c.values(QTerm(':name', 'eq', 'Tom'))[0]
        self.assertEqual(ti['age'], 4)

        c.discard(t)

        self.assertEqual(c.count(), 1)
        self.assertEqual(len(t.subscribers('*')), 0)

        d = c.open(QTerm(':name', 'eq', 'Dick'))

        self.assertEqual(d.age, 3)
Exemple #2
0
    def testRefEquality(self):
        v = Storage({})
        ra1 = v.getRef('a')
        ra2 = v.getRef('a')
        rb = v.getRef('b')

        self.assertEqual(ra1, ra2)
        self.assertNotEqual(ra1, rb)
Exemple #3
0
    def testVersioning(self):
        s = Storage({})
        s['v'] = V('info')

        # simulate a change of version.
        s.map_class = lambda c: c.replace('.V', '.NewV')

        v = s['v']
        self.assertEqual(type(v), NewV)
        self.assertEqual(v.info, 'info-updated')
Exemple #4
0
    def testSubscribe(self):
        storage = Storage({})

        t = storage.makeRef(Person('Tom', 3))
        storage['c'] = c = Collection(storage)
        c.add(t)

        storage['s'] = s = Subscriber([])

        c.subscribe('change', s.on)
        t.setAge(4)

        self.assertEqual(len(s.events), 1)
Exemple #5
0
    def testArgs(self):
        # Non-persistent.
        events = []

        def cb(*args):
            events.append(args)

        p = Publisher()
        p.subscribe('done', cb, args=('x', 42))
        p.notify('done', True)

        self.assertEqual(events, [('done', True, 'x', 42)])

        # Persistent.
        store = {}
        storage = Storage(store)

        storage['sub'] = s = Subscriber([])
        sid = p.subscribe('dusted', s.on, args=('hello', ), how=PERSISTENT)
        storage['pub'] = p

        del s, p

        p = storage['pub']
        p.notify('dusted', 14)

        # FIXME: a tuple is converted to a list here. That's a
        # serializer bug.
        self.assertEqual(storage['sub'].events, [['dusted', 14, 'hello']])

        p.unsubscribe('dusted', sid, how=PERSISTENT)
        p.notify('dusted', 15)
        self.assertEqual(len(storage['sub'].events), 1)
Exemple #6
0
    def testNames(self):
        vat = Storage({})
        foo = vat.makeRef(Obj({}))

        ns = NameStore(vat, {})

        foo['x'] = 'bar'
        ns.setn('foo', foo)

        foo1 = ns.getn('foo')
        self.assertEqual(foo1['x'], 'bar')

        # Can do it all in one..
        ns.setn('time', Time())
        self.assertEqual(ns.getn('time').time(), 'Tea-time')
        ns.getn('time')._erase()
        ns.deln('time')
Exemple #7
0
    def testNames(self):
        vat = Storage({})
        foo = vat.makeRef(Obj({}))

        ns = NameStore(vat, {})

        foo['x'] = 'bar'
        ns.setn('foo', foo)

        foo1 = ns.getn('foo')
        self.assertEqual(foo1['x'], 'bar')

        # Can do it all in one..
        ns.setn('time', Time())
        self.assertEqual(ns.getn('time').time(), 'Tea-time')
        ns.getn('time')._erase()
        ns.deln('time')
Exemple #8
0
    def testUnnesting(self):
        store = Storage({})
        data = Data({})
        person = Person(data)

        store['person_data'] = data
        store['person'] = person

        del store.cache['person']
        self.assertEqual(type(store['person'].env), Ref)
Exemple #9
0
    def test(self):
        s = Storage({})

        s['a'] = TestObject({'name': 'Fred'}, [TestObject('sub', [])])

        o = s['a']

        del o.ref  # breaks equality so have to remove first.

        self.assertEqual(o,
                         TestObject({'name': 'Fred'}, [TestObject('sub', [])]))
Exemple #10
0
    def testFacetRef(self):
        vat = Storage({})
        main_ref = vat.makeRef(TestData(24))
        public = vat.makeRef(main_ref._getFacet('public'))

        self.assertEqual(public.get(), 24)
        self.assertRaises(AttributeError, getattr, public, 'set')

        # main_ref references a TestData instance
        self.assertEqual(type(main_ref._get()), TestData)

        # public references a facet Ref
        self.assertEqual(type(public._get()), Ref)
        self.assertEqual(public._get()._facet, 'public')

        # the facet Ref references an obj instance
        self.assertEqual(type(public._get()._get()), obj)

        # check facet is not lost in serialization.
        public._close()
        self.assertEqual(public._get()._facet, 'public')
Exemple #11
0
    def testFacetRef(self):
        vat = Storage({})
        main_ref = vat.makeRef(TestData(24))
        public = vat.makeRef(main_ref._getFacet('public'))

        self.assertEqual(public.get(), 24)
        self.assertRaises(AttributeError, getattr, public, 'set')

        # main_ref references a TestData instance
        self.assertEqual(type(main_ref._get()), TestData)

        # public references a facet Ref
        self.assertEqual(type(public._get()), Ref)
        self.assertEqual(public._get()._facet, 'public')

        # the facet Ref references an obj instance
        self.assertEqual(type(public._get()._get()), obj)

        # check facet is not lost in serialization.
        public._close()
        self.assertEqual(public._get()._facet, 'public')
Exemple #12
0
    def testSerializationErrors(self):
        # NOTE: Proxy storage requires an RPCStorageCtx.
        proxy_enc = encodes(Record('ref', {'path': 'p', 'node': 'n'}))
        unk_enc = encodes(Record('unknown', 3))
        msg_enc = encodes(Record('@', 'xyz', 35))
        s = Storage({'foo': proxy_enc, 'unk': unk_enc, 'msg': msg_enc})
        #self.assertRaises(SerializationError, s.__getitem__, 'foo')
        self.assertRaises(SerializationError, s.__getitem__, 'unk')

        self.assertEqual(s['msg'], Record('@', 'xyz', 35))

        class NoSer(object):
            pass

        self.assertRaises(SerializationError, s.__setitem__, 'nos', NoSer())

        ns = NameStore(s, {})
        self.assertRaises(NoSuchName, ns.getn, 'bimbo')
Exemple #13
0
    def testStoreAgainMakesRef(self):
        store = Storage({})
        data = Data({})
        store['a'] = data
        self.assertEqual(type(store['a']), Data)
        store['aref'] = data
        self.assertEqual(type(store['aref']), Ref)

        a = store['a']
        a['foo'] = 42
        self.assertEqual(store['aref']['foo'], 42)
        a.save()

        del a, data
        self.assertEqual(store.cache.values(), [])

        self.assertEqual(type(store['a']), Data)
        self.assertEqual(type(store['aref']), Ref)
        self.assertEqual(store['a']['foo'], 42)
Exemple #14
0
    def testCatchAllSubscriptions(self):
        # Persistent.
        store = {}
        storage = Storage(store)

        storage['pub'] = p = Publisher()
        storage['sub'] = s = Subscriber([])

        sid = p.subscribe('*', s.on, args=('hello', ), how=PERSISTENT)

        del s, p

        p = storage['pub']
        p.notify('dusted', 14)

        # FIXME: a tuple is converted to a list here. That's a
        # serializer bug.
        self.assertEqual(storage['sub'].events, [['dusted', 14, 'hello']])

        p.unsubscribe('*', sid, how=PERSISTENT)
        p.notify('dusted', 15)
        self.assertEqual(len(storage['sub'].events), 1)
Exemple #15
0
from serf.eventlet_thread import EventletThread
from serf.rpc_handler import RPCHandler
from serf.transport import Transport
from serf.ws_transport import WSTransport
from serf.fs_dict import FSDict
from serf.storage import Storage

from serf.tables.table import *
from serf.tables.query import *

SERF_NODE = '127.0.0.1:6506'

thread = EventletThread()

store = FSDict('/var/lib/serf/tables')
storage = Storage(store)

if 'table' not in storage:
    storage['table'] = Table()
TABLE = storage['table']

JC_OPTS = dict(hooks=JC_HOOKS, safe=['serf.tables'], auto_proxy=True)

def handle(transport):
    thread = EventletThread()
    thread.callFromThread = thread.call
    handler = RPCHandler(transport, {}, t_model=thread, jc_opts=JC_OPTS)
    handler.provide('table', TABLE)
    transport.handle()

if __name__ == '__main__':
Exemple #16
0
 def __init__(self):
     self._storage = Storage(TestFS())
     self._storage.resources['#env'] = weakref.proxy(self)
Exemple #17
0
    def testData(self):
        store = Storage({})
        store['people/data/tom'] = Data({})
        t_data = store['people/data/tom']
        t_data['name'] = 'Tom'
        t_data['age'] = 14

        self.assertEqual(t_data['name'], 'Tom')

        env = Ref(store, 'people/data/tom')

        store['people/obj/tom'] = Person(env)
        tom = store['people/obj/tom']
        self.assertEqual(tom.description(), 'Tom age 14')
        tom.haveBirthday()
        self.assertEqual(t_data['age'], 15)

        store['people/data/gary'] = Data({})
        g_data = store['people/data/gary']
        g_data['name'] = 'Gary'
        g_data['age'] = 48
        t_data['dad'] = g_data

        self.assertEqual(type(t_data['dad']), Ref)

        self.assertEqual(tom.dadsName(), 'Gary')

        with Capture() as c:
            fcat(tom)
            self.assertEqual(c.getvalue(),
                             "Person(env=ref(path='people/data/tom'))\n")

        # We can store refs anywhere in data. A top-level Data object
        # which has come from the store can turn itself into a ref.
        g_data['kids'] = [t_data]
        self.assertEqual(type(g_data['kids'][0]), Ref)
        self.assertEqual(g_data['kids'][0]['name'], 'Tom')

        # We do not support deep references into data (e.g. g_data['kids'])
        # because they would be very breakable, and copying would upset
        # the normal language expectation of node sharing.
        self.assertRaises(ValueError, t_data.__setitem__, 'siblings',
                          g_data['kids'])

        store['caps/time'] = Time()
        t_data['time'] = store.getRef('caps/time')

        self.assertEqual(type(store['caps/time']), Time)
        self.assertEqual(type(t_data['time']), Ref)

        self.assertEqual(tom.whatTime(), 'Tea-time')

        t_data.save()
        g_data.save()

        del t_data, g_data, tom

        self.assertEqual(store.cache.values(), [])

        t_data = store['people/data/tom']
        g_data = store['people/data/gary']
        tom = store['people/obj/tom']

        self.assertEqual(t_data['name'], 'Tom')
        self.assertEqual(t_data['age'], 15)
        self.assertEqual(type(t_data['time']), Ref)
        self.assertEqual(t_data['time'].time(), 'Tea-time')

        tom.haveBirthday()

        self.assertEqual(g_data['kids'][0]['age'], 16)
Exemple #18
0
RUN_CONSOLE = (__name__ == '__main__')

SERVER = '127.0.0.1:6502'
CLIENT = '127.0.0.1:6503'

SSL = {
    'certfile': os.path.join(codeDir(), 'data/host.cert'),
    'keyfile': os.path.join(codeDir(), 'data/host.key')
}

store = FSDict(os.path.join(dataRoot(), 'client'))

net = Transport(CLIENT, ssl=SSL)

thread = EventletThread()
s0 = Storage(store)
v0 = RPCHandler(net, s0, t_model=thread)

def wrap(x):
    return REPLProxy(x, thread)

class ClientConsole(InteractiveConsole):
    def raw_input(self, prompt):
        sys.stdout.write(prompt)
        sys.stdout.flush()
        select.select([sys.stdin],[],[])
        s = sys.stdin.readline()
        if not s:
            raise EOFError()
        return s.strip()
Exemple #19
0
    def testData(self):
        store = Storage({})
        store['people/data/tom'] = Data({})
        t_data = store['people/data/tom']
        t_data['name'] = 'Tom'
        t_data['age'] = 14

        self.assertEqual(t_data['name'], 'Tom')

        env = Ref(store, 'people/data/tom')

        store['people/obj/tom'] = Person(env)
        tom = store['people/obj/tom']
        self.assertEqual(tom.description(), 'Tom age 14')
        tom.haveBirthday()
        self.assertEqual(t_data['age'], 15)

        store['people/data/gary'] = Data({})
        g_data = store['people/data/gary']
        g_data['name'] = 'Gary'
        g_data['age'] = 48
        t_data['dad'] = g_data

        self.assertEqual(type(t_data['dad']), Ref)

        self.assertEqual(tom.dadsName(), 'Gary')

        with Capture() as c:
            fcat(tom)
            self.assertEqual(c.getvalue(), "Person(env=ref(path='people/data/tom'))\n")

        # We can store refs anywhere in data. A top-level Data object
        # which has come from the store can turn itself into a ref.
        g_data['kids'] = [t_data]
        self.assertEqual(type(g_data['kids'][0]), Ref)
        self.assertEqual(g_data['kids'][0]['name'], 'Tom')

        # We do not support deep references into data (e.g. g_data['kids'])
        # because they would be very breakable, and copying would upset
        # the normal language expectation of node sharing.
        self.assertRaises(
            ValueError, t_data.__setitem__, 'siblings', g_data['kids'])

        store['caps/time'] = Time()
        t_data['time'] = store.getRef('caps/time')

        self.assertEqual(type(store['caps/time']), Time)
        self.assertEqual(type(t_data['time']), Ref)

        self.assertEqual(tom.whatTime(), 'Tea-time')

        t_data.save()
        g_data.save()

        del t_data, g_data, tom

        self.assertEqual(store.cache.values(), [])

        t_data = store['people/data/tom']
        g_data = store['people/data/gary']
        tom = store['people/obj/tom']

        self.assertEqual(t_data['name'], 'Tom')
        self.assertEqual(t_data['age'], 15)
        self.assertEqual(type(t_data['time']), Ref)
        self.assertEqual(t_data['time'].time(), 'Tea-time')

        tom.haveBirthday()

        self.assertEqual(g_data['kids'][0]['age'], 16)
Exemple #20
0
RUN_CONSOLE = (__name__ == '__main__')

SERVER = '127.0.0.1:6502'
CLIENT = '127.0.0.1:6503'

SSL = {
    'certfile': os.path.join(codeDir(), 'data/host.cert'),
    'keyfile': os.path.join(codeDir(), 'data/host.key')
}

store = FSDict(os.path.join(dataRoot(), 'client'))

net = Transport(CLIENT, ssl=SSL)

thread = EventletThread()
s0 = Storage(store)
v0 = RPCHandler(net, s0, t_model=thread)


def wrap(x):
    return REPLProxy(x, thread)


class ClientConsole(InteractiveConsole):
    def raw_input(self, prompt):
        sys.stdout.write(prompt)
        sys.stdout.flush()
        select.select([sys.stdin], [], [])
        s = sys.stdin.readline()
        if not s:
            raise EOFError()
Exemple #21
0
    def testPersistence(self):
        self._insertTestData()
        self.assertEqual(self.table.count(KeyRange(':age int')), 3)

        store = {}
        obj_store = Storage(store)
        obj_store['table'] = self.table

        self.sval = store['table']

        def svalChanged():
            self.assertNotEqual(self.sval, store['table'])
            self.sval = store['table']

        self.table.insert([dict(name='Albert', age=37)])
        svalChanged()

        self.table.set(4, dict(name='Fred', age=35, id='F1'))
        svalChanged()

        self.table.setKey(':id str', dict(name='Fred', age=36, id='F1'))
        svalChanged()

        kv = KeyValue(8, dict(name='Fred', age=64, id='F2'))
        self.table.setBatch([kv])
        svalChanged()

        self.table.update(PKey(16), [FieldValue(':id', 'A1')])
        svalChanged()

        items = [KeyValue(4, dict(birthday='Louise', years=36))]
        join = JoinSpec('birthday', 'name', 'str')
        values = [CopyField(':age', ':years')]

        self.table.updateIter(items, join, None, values)
        svalChanged()

        self.table.pop(PKey(8))
        svalChanged()

        def toTup(kv):
            return kv.key, kv.value, kv.skey

        # Dump keys, values and skeys in form suitable for equality testing.
        p_dump = map(toTup, self.table.select())
        s_dump = map(toTup, self.table.select(KeyRange(':age int')))

        # NOTE: Table could have a reference cycle: for some reason
        # self.table = None is insufficient to cause it to be ejected
        # from the obj_store.cache which is a WeakValueDictionary.

        self.table = None
        obj_store.cache.clear()

        table = obj_store['table']

        self.assertEqual(p_dump, map(toTup, table.select()))
        self.assertEqual(s_dump, map(toTup,
                                     table.select(KeyRange(':age int'))))

        table.remove()  # different code-path from pop when removing all.
        svalChanged()
    def test(self):
        storage = Storage({})
        storage['s'] = s = Subscriber([])
        storage['c'] = c = People(storage, {'name': 'Kids', 'area': 3056})
        storage['t'] = t = Person({'name': 'Tom', 'age': 3})

        # Subscriptions to a CollectionModel go to both
        # the underlying Table and Model.

        sid = c.subscribe('*', s.on, how=PERSISTENT)

        c.add(t)

        del s, c, t
        s = storage['s']
        c = storage['c']
        t = storage['t']

        self.assertEqual(c.value()['name'], 'Kids')

        c.update({'name': 'Children'})
        c.update({'area': 3057})
        t.update({'age': 4})

        # Check that the Collection has tracked the age change.
        self.assertEqual(len(c.values()), 1)
        self.assertEqual(c.values()[0]['age'], 4)

        # NOTE: for each update to the table we get 4 events,
        # 'change', 'change_r', 'key:x' and 'key_r:x'. Normally we
        # would use a more selective subscription but for the test
        # it is convenient to capture them all.

        # Here we expect 2*4 = 8 Table events, plus 3 from the
        # Model aspect of the CollectionModel.
        self.assertEqual(len(s.events), 11)

        changes = [i for e, i in s.events if e == 'change']
        self.assertEqual(len(changes), 2)
        self.assertEqual(changes[0].old, None)
        self.assertEqual(changes[0].value['age'], 3)
        self.assertEqual(changes[1].old['age'], 3)
        self.assertEqual(changes[1].value['age'], 4)

        updates = [i for e, i in s.events if e == 'update']
        self.assertEqual(len(updates), 2)
        self.assertTrue({'name': 'Children'} in updates)
        self.assertTrue({'area': 3057} in updates)

        info = [i for e, i in s.events if e == 'info']
        self.assertEqual(info, [{'name': 'Children'}])

        # Check that both Table and Model subscriptions
        # are properly removed via the one subscription id.

        c.unsubscribe('*', sid, how=PERSISTENT)

        c.update({'name': 'Playgroup'})
        t.update({'age': 5})

        self.assertEqual(len(s.events), 11) # no new events

        self.assertEqual(c.values()[0]['age'], 5)

        c.discard(t)

        self.assertEqual(len(c.values()), 0)