def test_set_data(self):
path = '%s/unittest-set-data' % self.sandbox
datanode = DataNode(zk=self.zk, path=path, data=None)
# Now lets ensure that if we call set_data() that the data in Zookeeper
# is updated at least once. It should not be, though, updated multiple
# times.
def get_string_value_from_datanode():
if 'string_value' in datanode.get()['data']:
return datanode.get()['data']['string_value']
return False
datanode.set_data('foo')
waituntil(get_string_value_from_datanode, 'foo', 5, mode=2)
(data, stat) = self.zk.get(path)
for i in xrange(1, 10):
datanode.set_data('foo')
(data2, stat2) = self.zk.get(path)
self.assertEquals(stat, stat2)
# Ok, calling set_data() with the same data over and over again only
# updates Zookeeper once. Good. Now what happens if the data in
# Zookeeper changes and we call
def get_string_value_from_watcher():
if 'string_value' in datanode._watcher.get()['data']:
return datanode._watcher.get()['data']['string_value']
return False
datanode.set_data('foo')
(data, stat) = self.zk.get(path)
self.zk.set(path, 'foobar')
waituntil(get_string_value_from_watcher, 'foobar', 5, mode=2)
datanode.set_data('foo')
(data2, stat2) = self.zk.get(path)
self.assertNotEquals(stat, stat2)
def test_set_data(self):
path = '%s/unittest-set-data' % self.sandbox
datanode = DataNode(zk=self.zk, path=path, data=None)
# Now lets ensure that if we call set_data() that the data in Zookeeper
# is updated at least once. It should not be, though, updated multiple
# times.
def get_string_value_from_datanode():
data = datanode.get()['data']
if data is None:
return False
if 'string_value' in data:
return data['string_value']
return False
datanode.set_data('foo')
waituntil(get_string_value_from_datanode, 'foo', 5, mode=2)
(data, stat) = self.zk.get(path)
for i in xrange(1, 10):
datanode.set_data('foo')
(data2, stat2) = self.zk.get(path)
self.assertEquals(stat, stat2)
# Ok, calling set_data() with the same data over and over again only
# updates Zookeeper once. Good. Now what happens if the data in
# Zookeeper changes and we call
def get_string_value_from_watcher():
if 'string_value' in datanode._watcher.get()['data']:
return datanode._watcher.get()['data']['string_value']
return False
datanode.set_data('foo')
(data, stat) = self.zk.get(path)
self.zk.set(path, 'foobar')
waituntil(get_string_value_from_watcher, 'foobar', 5, mode=2)
datanode.set_data('foo')
(data2, stat2) = self.zk.get(path)
self.assertNotEquals(stat, stat2)
