chmura/tests/test_infrastructure_kinesis_firehose.py

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2021-04-24 15:54:14 +02:00
from unittest import main, TestCase
import boto3
import configparser as cp
import warnings
import os
class TestInfraKinesisFH(TestCase):
def setUp(self):
self.firehose_client = boto3.client('firehose')
self.kinesis_client = boto3.client('kinesis')
# read configuration
# making path universal for running tests from the module / outside
cwd = os.getcwd()
extra_dot = '.' if cwd.endswith('tests') else ''
config_path = extra_dot + "./labs/terraform/terraform.tfvars"
with open(config_path, 'r') as f:
config_string = '[main]\n' + f.read()
config = cp.ConfigParser()
config.read_string(config_string)
self.config = {param: (
config["main"][param].replace('"', '') if isinstance(config["main"][param], str) else config["main"][param]
) for param in config["main"]}
warnings.filterwarnings("ignore", category=ResourceWarning, message="unclosed.*<ssl.SSLSocket.*>")
firehose_stream_name_pattern = "firehose-dev-{account_number}-{student_initials}-{student_index_no}"
self.firehose_stream_name = firehose_stream_name_pattern.format(account_number=self.config["account_number"],
student_initials=self.config[
"student_initials"],
student_index_no=self.config[
"student_index_no"])
kinesis_stream_name_pattern = "cryptostock-dev-{account_number}-{student_initials}-{student_index_no}"
self.kinesis_stream_name = kinesis_stream_name_pattern.format(account_number=self.config["account_number"],
student_initials=self.config["student_initials"],
student_index_no=self.config["student_index_no"])
def test_kinesis_firehose_exists(self):
deliver_streams = self.firehose_client.list_delivery_streams()["DeliveryStreamNames"]
find_stream = next((stream for stream in deliver_streams if stream == self.firehose_stream_name), None)
self.assertEqual(find_stream, self.firehose_stream_name)
def test_kinesis_firehose_source(self):
config = self.firehose_client.describe_delivery_stream(DeliveryStreamName=self.firehose_stream_name)
source = config["DeliveryStreamDescription"]["Source"]["KinesisStreamSourceDescription"]["KinesisStreamARN"]
kinesis_stream_config = self.kinesis_client.describe_stream(StreamName=self.kinesis_stream_name)
kds_arn = kinesis_stream_config["StreamDescription"]["StreamARN"]
self.assertEqual(kds_arn, source)
def test_kinesis_firehose_dest_config(self):
config = self.firehose_client.describe_delivery_stream(DeliveryStreamName=self.firehose_stream_name)
destination = config["DeliveryStreamDescription"]["Destinations"][0]
expected_pref = 'raw-zone/stockdata/year=!{timestamp:yyyy}/month=!{timestamp:MM}/day=!{timestamp:dd}/hour=!{timestamp:HH}/'
expected_err_pref = 'raw-zone/stockdata_errors/!{firehose:error-output-type}/year=!{timestamp:yyyy}/month=!{timestamp:MM}/day=!{timestamp:dd}/hour=!{timestamp:HH}/'
dest_prefix = destination.get("S3DestinationDescription", None).get("Prefix", None)
dest_errors_prefix = destination.get("S3DestinationDescription", None).get("ErrorOutputPrefix", None)
self.assertEqual(dest_prefix, expected_pref)
self.assertEqual(expected_err_pref, dest_errors_prefix)
if __name__ == '__main__':
main()