def test_message_with_expire_set_does_not_immediately_expire(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}), expire=0.1)
self.assertEqual(1, len(queue.read()))
self.assertEqual(1, len(queue.read()))
def test_expired_messages_not_returned_by_read(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}), expire=0.1)
time.sleep(0.2)
self.assertEqual(0, len(queue.read()))
self.assertEqual(0, len(queue.read()))
# Make sure the meta._expired key is actually set.
collection = Connection().capsulemq_test.queue_test
raw_message = collection.find_one({})
self.assertEqual(True, raw_message['_meta']['expired'])
def test_delete_messages_removes_whole_set_of_messages(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}))
queue.write(Message({'foo': 2}))
queue.write(Message({'foo': 3}))
messages = queue.read()
self.assertEqual(3, len(messages))
queue.delete_messages(messages)
messages = queue.read()
self.assertEqual(0, len(messages))
def test_reading_from_the_queue_returns_a_message_object(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
write_message = Message()
write_message.apple = 5
write_message.banana = 6
write_message.inner_object = {
'foo': 1,
'bar': 2
}
queue.write(write_message)
read_message = queue.read()[0]
self.assertEqual(5, read_message.apple)
self.assertEqual(2, read_message.inner_object['bar'])
self.assertEqual(3, len(read_message.to_dictionary().keys()))
def test_writing_a_dictionary_to_the_queue_populates_it_within_mongodb(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write({
'apple': 5,
'banana': 6,
'inner_object': {
'foo': 1,
'bar': 2
}
})
collection = Connection().capsulemq_test.queue_test
obj = collection.find_one({})
self.assertEqual(6, obj['banana'])
self.assertEqual(2, obj['inner_object']['bar'])
self.assertTrue(obj['_meta']['expire'])
self.assertTrue(obj['_meta']['timestamp'])
def test_writing_a_message_to_the_queue_populates_it_within_mongodb(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
message = Message()
message.apple = 5
message.banana = 6
message.inner_object = {
'foo': 1,
'bar': 2
}
queue.write(message)
collection = Connection().capsulemq_test.queue_test
obj = collection.find_one({})
self.assertEqual(6, obj['banana'])
self.assertEqual(2, obj['inner_object']['bar'])
self.assertTrue(obj['_meta']['expire'])
self.assertTrue(obj['_meta']['timestamp'])
def test_setting_visibility_timeout_makes_a_message_unavailable_for_a_set_number_of_milliseconds(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}))
queue.write(Message({'foo': 2}))
queue.write(Message({'foo': 3}))
messages = queue.read(visibility_timeout=0.4)
self.assertEqual(3, len(messages))
messages = queue.read()
self.assertEqual(0, len(messages))
time.sleep(0.5)
messages = queue.read()
self.assertEqual(3, len(messages))
def test_a_message_with_a_unique_key_specified_can_only_be_inserted_once_for_a_given_key_value(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 'value1'}), unique_key='foo')
queue.write(Message({'foo': 'value1'}), unique_key='foo')
queue.write(Message({'foo': 'value2'}), unique_key='foo')
messages = queue.read()
self.assertEqual(len(messages), 2)
def test_calling_delete_on_a_message_returned_removes_it_from_mongodb(self):
collection = Connection().capsulemq_test.queue_test
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}))
self.assertEqual(1, collection.find({}).count())
queue.read()[0].delete()
self.assertEqual(0, len(queue.read()))
def test_read_with_no_routing_key_only_returns_messages_with_no_routing_key(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}), routing_key='foobar')
queue.write(Message({'foo': 2}))
messages = queue.read()
self.assertEqual(1, len(messages))
self.assertEqual(2, messages[0].foo)
def test_routing_key_can_optionally_be_used_to_return_only_select_messages(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}), routing_key='foobar')
queue.write(Message({'foo': 2}))
messages = queue.read(routing_key='foobar')
self.assertEqual(1, len(messages))
self.assertEqual(1, messages[0].foo)
def test_messages_returned_in_fifo_order(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}))
queue.write(Message({'foo': 2}))
queue.write(Message({'foo': 3}))
messages = queue.read()
self.assertEqual(1, messages[0].foo)
self.assertEqual(2, messages[1].foo)
self.assertEqual(3, messages[2].foo)