def _setup(self):
inst = ZkSharedCache("zk", "path", "handler")
inst._path = "/path"
inst._zk = create_mock(["is_connected"])
inst._kazoo = create_mock(["create", "set"])
inst._incoming_entries = create_mock(["append"])
return inst
def test_no_cache(self, init):
inst = ZkSharedCache("zk", "path", "handler")
inst._path = "/path"
inst._kazoo = create_mock(["get_children"])
inst._kazoo.get_children.side_effect = NoNodeError
# Call
ntools.eq_(inst._list_entries(), set())
def _check_children_exception(self, excp, expected, init):
inst = ZkSharedCache("zk", "path", "handler")
inst._path = "/path"
inst._kazoo = create_mock(["get_children"])
inst._kazoo.get_children.side_effect = excp
# Call
ntools.assert_raises(expected, inst._list_entries)
def _check_exception(self, excp, expected, init):
inst = ZkSharedCache("zk", "path", "handler")
inst._path = "/path"
inst._kazoo = create_mock(["get"])
inst._kazoo.get.side_effect = excp
# Call
ntools.assert_raises(expected, inst._get, "name")
def _setup(self, time_, entries):
inst = ZkSharedCache("zk", "path", "handler")
inst._zk = create_mock(["is_connected"])
time_.return_value = 1000
inst._entries = entries
inst._kazoo = create_mock(["delete"])
inst._path = "/path"
return inst
def test_sucesss(self, init):
inst = ZkSharedCache("zk", "path", "handler")
inst._path = "/path"
inst._kazoo = create_mock(["get_children"])
inst._kazoo.get_children.return_value = [
"node0", "node1", "node2", "node3"
]
# Call
ntools.eq_(inst._list_entries(), {"node0", "node1", "node2", "node3"})
def test_no_entry(self, init):
inst = ZkSharedCache("zk", "path", "handler")
inst._path = "/path"
inst._kazoo = create_mock(["get"])
inst._kazoo.get.side_effect = NoNodeError
inst._entries = create_mock(["pop"])
# Call
ntools.assert_raises(ZkNoNodeError, inst._get, "name")
# Tests
inst._kazoo.get.assert_called_once_with("/path/name")
inst._entries.pop.assert_called_once_with("name", None)
def test_success(self, init, time_):
inst = ZkSharedCache("zk", "path", "handler")
inst._path = "/path"
inst._kazoo = create_mock(["get"])
inst._kazoo.get.return_value = ("data", "meta")
inst._entries = create_mock(["setdefault"])
# Call
ntools.eq_(inst._get("name"), "data")
# Tests
inst._kazoo.get.assert_called_once_with("/path/name")
inst._entries.setdefault.assert_called_once_with(
"name", time_.return_value)
def test(self, init):
inst = ZkSharedCache("zk", "path", "handler")
entry_names = ["entry0", "entry1", "entry2", "entry3"]
inst._get = create_mock()
inst._get.side_effect = [
"data0", ZkNoNodeError, "data2", ZkNoConnection
]
inst._path = "/path"
inst._handler = create_mock()
# Call
ntools.eq_(inst._handle_entries(entry_names), 2)
# Tests
assert_these_calls(inst._get, ([call(i) for i in entry_names]))
inst._handler.assert_called_once_with(["data0", "data2"])
def test_full(self, init):
inst = ZkSharedCache("zk", "path", "handler")
inst._zk = create_mock(["conn_epoch", "is_connected"])
inst._incoming_entries = create_mock(["__bool__", "popleft"])
inst._incoming_entries.__bool__.side_effect = True, True, False
inst._incoming_entries.popleft.side_effect = ("inc0", 1), ("inc1", 0)
inst._entries = {"inc0": 0, "old0": 0}
inst._list_entries = create_mock()
inst._list_entries.return_value = "inc0", "inc1", "new0"
inst._handle_entries = create_mock()
inst._path = "/path"
# Call
inst.process()
# Tests
ntools.eq_(inst._entries, {"inc0": 0, "inc1": 0})
inst._handle_entries.assert_called_once_with({"new0"})