def test_create_queue_with_default_name(sqs):
from ndingest.ndqueue.uploadqueue import UploadQueue
proj = generate_proj()
# Create upload queue.
UploadQueue.createQueue(proj)
upload_queue = UploadQueue(proj)
# Create dead letter queue with default name.
exp_max_receives = 4
dl_queue = upload_queue.addDeadLetterQueue(exp_max_receives)
exp_name = upload_queue.queue_name + "-dlq"
exp_arn = dl_queue.attributes["QueueArn"]
try:
policy = json.loads(upload_queue.queue.attributes["RedrivePolicy"])
assert exp_max_receives == policy["maxReceiveCount"]
assert exp_arn == policy["deadLetterTargetArn"]
# Confirm dead letter queue named correctly by looking at the end
# of its ARN.
assert dl_queue.attributes["QueueArn"].endswith(exp_name)
finally:
dl_queue.delete()
def test_delete_dead_letter_queue(sqs):
from ndingest.ndqueue.uploadqueue import NDQueue
from ndingest.ndqueue.uploadqueue import UploadQueue
proj = generate_proj()
# Create existing queue for dead letter queue.
queue_name = "deadletter_test_{}".format(randint(1000, 9999))
existing_queue = sqs.create_queue(
QueueName=queue_name,
Attributes={
"DelaySeconds": "0",
"MaximumMessageSize": "262144"
},
)
# Create upload queue.
arn = existing_queue.attributes["QueueArn"]
UploadQueue.createQueue(proj)
upload_queue = UploadQueue(proj)
# Attach the dead letter queue to it.
dl_queue = upload_queue.addDeadLetterQueue(2, arn)
# Invoke the delete method.
NDQueue.deleteDeadLetterQueue(sqs, upload_queue.queue)
# Confirm deletion.
with pytest.raises(botocore.exceptions.ClientError):
sqs.get_queue_by_name(QueueName=queue_name)
def test_add_existing_queue_as_dead_letter_queue(sqs):
from ndingest.ndqueue.uploadqueue import UploadQueue
proj = generate_proj()
# Create existing queue for dead letter queue.
queue_name = "deadletter_test_{}".format(randint(1000, 9999))
existing_queue = sqs.create_queue(
QueueName=queue_name,
Attributes={
"DelaySeconds": "0",
"MaximumMessageSize": "262144"
},
)
exp_arn = existing_queue.attributes["QueueArn"]
try:
# Create upload queue.
UploadQueue.createQueue(proj)
upload_queue = UploadQueue(proj)
# Attach the dead letter queue to it.
exp_max_receives = 5
dl_queue = upload_queue.addDeadLetterQueue(exp_max_receives, exp_arn)
# Confirm policy settings.
policy = json.loads(upload_queue.queue.attributes["RedrivePolicy"])
assert exp_max_receives == policy["maxReceiveCount"]
assert exp_arn == policy["deadLetterTargetArn"]
# Confirm dead letter queue is the one created at the beginning
# of test.
assert existing_queue.url == dl_queue.url
finally:
existing_queue.delete()
class TestDeadletterQueue(unittest.TestCase):
def setUp(self):
# Suppress ResourceWarning messages about unclosed connections.
warnings.simplefilter('ignore')
if 'SQS_ENDPOINT' in dir(settings):
self.endpoint_url = settings.SQS_ENDPOINT
else:
self.endpoint_url = None
self.upload_queue = None
self.nd_proj = self.generate_proj()
def tearDown(self):
if self.upload_queue is not None:
self.upload_queue.queue.delete()
def generate_proj(self):
"""Add some randomness to the project.
Queue names must be different between tests because a deleted queue
cannot be recreated with the same name until 60s has elapsed.
"""
num = randint(100, 999)
if settings.PROJECT_NAME == 'Boss':
job_id = num
nd_proj = ProjClass('testCol', 'kasthuri11', 'image', 0, job_id)
else:
channel = 'image{}'.format(num)
nd_proj = ProjClass('kasthuri11', channel, '0')
return nd_proj
def test_create_queue_with_default_name(self):
# Create upload queue.
UploadQueue.createQueue(self.nd_proj, endpoint_url=self.endpoint_url)
self.upload_queue = UploadQueue(self.nd_proj,
endpoint_url=self.endpoint_url)
# Create dead letter queue with default name.
exp_max_receives = 4
dl_queue = self.upload_queue.addDeadLetterQueue(exp_max_receives)
exp_name = self.upload_queue.queue_name + '_dead_letter'
exp_arn = dl_queue.attributes['QueueArn']
try:
policy = json.loads(
self.upload_queue.queue.attributes['RedrivePolicy'])
self.assertEqual(exp_max_receives, policy['maxReceiveCount'])
self.assertEqual(exp_arn, policy['deadLetterTargetArn'])
# Confirm dead letter queue named correctly by looking at the end
# of its ARN.
self.assertTrue(dl_queue.attributes['QueueArn'].endswith(exp_name))
finally:
dl_queue.delete()
def test_add_existing_queue_as_dead_letter_queue(self):
# Create existing queue for dead letter queue.
sqs = boto3.resource(
'sqs',
region_name=settings.REGION_NAME,
endpoint_url=self.endpoint_url,
aws_access_key_id=settings.AWS_ACCESS_KEY_ID,
aws_secret_access_key=settings.AWS_SECRET_ACCESS_KEY)
queue_name = 'deadletter_test_{}'.format(randint(100, 999))
existing_queue = sqs.create_queue(QueueName=queue_name,
Attributes={
'DelaySeconds': '0',
'MaximumMessageSize': '262144'
})
exp_arn = existing_queue.attributes['QueueArn']
try:
# Create upload queue.
UploadQueue.createQueue(self.nd_proj,
endpoint_url=self.endpoint_url)
self.upload_queue = UploadQueue(self.nd_proj,
endpoint_url=self.endpoint_url)
# Attach the dead letter queue to it.
exp_max_receives = 5
dl_queue = self.upload_queue.addDeadLetterQueue(
exp_max_receives, exp_arn)
# Confirm policy settings.
policy = json.loads(
self.upload_queue.queue.attributes['RedrivePolicy'])
self.assertEqual(exp_max_receives, policy['maxReceiveCount'])
self.assertEqual(exp_arn, policy['deadLetterTargetArn'])
# Confirm dead letter queue is the one created at the beginning
# of test.
self.assertEqual(existing_queue.url, dl_queue.url)
finally:
existing_queue.delete()
def test_delete_dead_letter_queue(self):
# Create existing queue for dead letter queue.
sqs = boto3.resource(
'sqs',
region_name=settings.REGION_NAME,
endpoint_url=self.endpoint_url,
aws_access_key_id=settings.AWS_ACCESS_KEY_ID,
aws_secret_access_key=settings.AWS_SECRET_ACCESS_KEY)
queue_name = 'deadletter_test_{}'.format(randint(100, 999))
existing_queue = sqs.create_queue(QueueName=queue_name,
Attributes={
'DelaySeconds': '0',
'MaximumMessageSize': '262144'
})
# Create upload queue.
arn = existing_queue.attributes['QueueArn']
UploadQueue.createQueue(self.nd_proj, endpoint_url=self.endpoint_url)
self.upload_queue = UploadQueue(self.nd_proj,
endpoint_url=self.endpoint_url)
# Attach the dead letter queue to it.
dl_queue = self.upload_queue.addDeadLetterQueue(2, arn)
# Invoke the delete method.
NDQueue.deleteDeadLetterQueue(sqs, self.upload_queue.queue)
# Confirm deletion.
with self.assertRaises(botocore.exceptions.ClientError):
sqs.get_queue_by_name(QueueName=queue_name)
