Best Python code snippet using localstack_python
test_s3_notifications_sns.py
Source:test_s3_notifications_sns.py
...9 from mypy_boto3_s3.literals import EventType10 from mypy_boto3_sns import SNSClient11 from mypy_boto3_sqs import SQSClient12LOG = logging.getLogger(__name__)13def create_sns_bucket_notification(14 s3_client: "S3Client",15 sns_client: "SNSClient",16 bucket_name: str,17 topic_arn: str,18 events: List["EventType"],19):20 """A NotificationFactory."""21 bucket_arn = aws_stack.s3_bucket_arn(bucket_name)22 policy = {23 "Version": "2012-10-17",24 "Statement": [25 {26 "Effect": "Allow",27 "Principal": "*",28 "Action": "sns:Publish",29 "Resource": topic_arn,30 "Condition": {"ArnEquals": {"aws:SourceArn": bucket_arn}},31 }32 ],33 }34 sns_client.set_topic_attributes(35 TopicArn=topic_arn, AttributeName="Policy", AttributeValue=json.dumps(policy)36 )37 s3_client.put_bucket_notification_configuration(38 Bucket=bucket_name,39 NotificationConfiguration=dict(40 TopicConfigurations=[41 dict(42 TopicArn=topic_arn,43 Events=events,44 )45 ]46 ),47 )48def sqs_collect_sns_messages(49 sqs_client: "SQSClient", queue_url: str, min_messages: int, timeout: int = 1050) -> List[Dict]:51 """52 Polls the given queue for the given amount of time and extracts the received SQS messages all SNS messages (messages that have a "TopicArn" field).53 :param sqs_client: the boto3 client to use54 :param queue_url: the queue URL connected to the topic55 :param min_messages: the minimum number of messages to wait for56 :param timeout: the number of seconds to wait before raising an assert error57 :return: a list with the deserialized SNS messages58 """59 collected_messages = []60 def collect_events() -> int:61 _response = sqs_client.receive_message(62 QueueUrl=queue_url, WaitTimeSeconds=timeout, MaxNumberOfMessages=163 )64 messages = _response.get("Messages", [])65 if not messages:66 LOG.info("no messages received from %s after %d seconds", queue_url, timeout)67 for m in messages:68 body = m["Body"]69 # see https://www.mikulskibartosz.name/what-is-s3-test-event/70 if "s3:TestEvent" in body:71 continue72 doc = json.loads(body)73 assert "TopicArn" in doc, f"unexpected event in message {m}"74 collected_messages.append(doc)75 return len(collected_messages)76 assert poll_condition(lambda: collect_events() >= min_messages, timeout=timeout)77 return collected_messages78class TestS3NotificationsToSns:79 @pytest.mark.aws_validated80 def test_object_created_put(81 self,82 s3_client,83 sqs_client,84 sns_client,85 s3_create_bucket,86 sqs_create_queue,87 sns_create_topic,88 sns_create_sqs_subscription,89 ):90 bucket_name = s3_create_bucket()91 topic_arn = sns_create_topic()["TopicArn"]92 queue_url = sqs_create_queue()93 key_name = "bucket-key"94 # connect topic to queue95 sns_create_sqs_subscription(topic_arn, queue_url)96 create_sns_bucket_notification(97 s3_client, sns_client, bucket_name, topic_arn, ["s3:ObjectCreated:*"]98 )99 # trigger the events100 s3_client.put_object(Bucket=bucket_name, Key=key_name, Body="first event")101 s3_client.put_object(Bucket=bucket_name, Key=key_name, Body="second event")102 # collect messages103 messages = sqs_collect_sns_messages(sqs_client, queue_url, 2)104 # asserts105 # first event106 message = messages[0]107 assert message["Type"] == "Notification"108 assert message["TopicArn"] == topic_arn109 assert message["Subject"] == "Amazon S3 Notification"110 event = json.loads(message["Message"])["Records"][0]...
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