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How to use test_s3_bucket_name method in localstack

Best Python code snippet using localstack_python

test_sampleLambda.py

Source:test_sampleLambda.py

1# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.2# SPDX-License-Identifier: MIT-03# Start of unit test code: tests/unit/src/test_sampleLambda.py4import os5import json6from typing import Any, Dict7from unittest import TestCase8from unittest.mock import MagicMock, patch9import boto310import moto11from src.sampleLambda.app import LambdaResources12from src.sampleLambda.app import create_letter_in_s313from src.sampleLambda.app import lambda_handler14from src.sampleLambda import schemas15from aws_lambda_powertools.utilities.validation import validate16# [1] Mock all AWS Services in use17@moto.mock_dynamodb18@moto.mock_s319class TestSampleLambda(TestCase):20    # Test Set up 21    def setUp(self) -> None:22    23        # [2] Mock environment24        self.test_ddb_table_name = "unit_test_ddb"25        self.test_s3_bucket_name = "unit_test_s3_bucket"26        os.environ["DYNAMODB_TABLE_NAME"] = self.test_ddb_table_name27        os.environ["S3_BUCKET_NAME"] = self.test_s3_bucket_name 28        29        # [3] Set up the services: construct a (mocked!) DynamoDB table30        dynamodb = boto3.resource("dynamodb", region_name="us-east-1")31        dynamodb.create_table(32            TableName = self.test_ddb_table_name,33            KeySchema=[{"AttributeName": "PK", "KeyType": "HASH"}],34            AttributeDefinitions=[{"AttributeName": "PK", "AttributeType": "S"}],35            BillingMode='PAY_PER_REQUEST'36            )37            38        # [3] Set up the services: construct a (mocked!) S3 Bucket table    39        s3_client = boto3.client('s3', region_name="us-east-1")40        s3_client.create_bucket(Bucket = self.test_s3_bucket_name )41        42        # [4] Establish the "GLOBAL" environment for use in tests.43        self.test_LAMBDA_GLOBAL = LambdaResources( initialize_resources = True)44    def test_create_letter_in_s3(self) -> None:45        # [5] Post test items to a mocked database46        self.test_LAMBDA_GLOBAL.ddb_table.put_item(Item={"PK":"D#UnitTestDoc", 47                                                         "data":"Unit Test Doc Corpi"})48        self.test_LAMBDA_GLOBAL.ddb_table.put_item(Item={"PK":"C#UnitTestCust", 49                                                         "data":"Unit Test Customer"})50 51        # [6] Run DynamoDB to S3 file function52        create_letter_in_s3(env = self.test_LAMBDA_GLOBAL, 53                            doc_type = "UnitTestDoc",54                            cust_id = "UnitTestCust"55                            )56        # [7] Ensure the data was written to S3 correctly, with correct contents57        body = self.test_LAMBDA_GLOBAL.s3_bucket.Object("UnitTestCust/UnitTestDoc.txt").get()['Body'].read()58        59        # Test60        self.assertEqual(body.decode('ascii'),"Dear Unit Test Customer;\nUnit Test Doc Corpi")61    # [8] Load and validate test events from the file system62    def load_test_event(self, test_event_file_name: str) ->  Dict[str, Any]:63        with open(f"tests/events/{test_event_file_name}.json") as f:64            event = json.load(f)65            validate(event=event, schema=schemas.INPUT)66            return event67    # [9] Patch the Global Class and any function calls68    @patch("src.sampleLambda.app._LAMBDA_GLOBAL_RESOURCES")69    @patch("src.sampleLambda.app.create_letter_in_s3")70    def test_lambda_handler(self, 71                            mock_create_letter_in_s3 : MagicMock,72                            mock_lambda_global_resources : MagicMock):73                            74        # [10] Test setup - Return a mock for the Global Var LAMBDA_GLOBAL75        mock_lambda_global_resources.return_value = self.test_LAMBDA_GLOBAL76        mock_create_letter_in_s3.return_value = {"statusCode" : 200, "body":"OK"}77        78        # [11] Run Test using a test event from /tests/events/*.json79        test_event = self.load_test_event("sampleEvent1")80        ret_val = lambda_handler(event=test_event, context=None)81        82        # [12] Validate the function was called with the mocked globals83        # and event values84        mock_create_letter_in_s3.assert_called_once_with( env=mock_lambda_global_resources, 85                                        doc_type=test_event["pathParameters"]["docType"],86                                        cust_id=test_event["pathParameters"]["customerId"])87        self.assertEqual(ret_val,mock_create_letter_in_s3.return_value)88    def tearDown(self) -> None:89        # [13] Remove (mocked!) S3 Objects and Bucket90        s3 = boto3.resource("s3",region_name="us-east-1")91        bucket = s3.Bucket( self.test_s3_bucket_name )92        for key in bucket.objects.all():93            key.delete()94        bucket.delete()95        # [14] Remove (mocked!) DynamoDB Table96        dynamodb = boto3.client("dynamodb", region_name="us-east-1")97        dynamodb.delete_table(TableName = self.test_ddb_table_name )98        # [15] Remove the GLOBAL settings99        self.test_LAMBDA_GLOBAL = None100        ...

test_main.py

Source:test_main.py

1from moto import mock_s3, mock_sqs2import boto33import os4from unittest import TestCase, mock5from radarprocessor.main import handler6from radarprocessor.tests.aws_test_helper import S3BucketFile, s3_event_bucket_uploaded7AWS_DEFAULT_REGION = 'us-east-1'8TEST_S3_BUCKET_NAME = 'my-test-bucket'9TEST_SQS_QUEUE_NAME = 'ferje-ais-importer-test-pathtaker-source'10dir_path = os.path.dirname(os.path.realpath(__file__))11def _read_testdata(name):12    with open(f'{dir_path}/testdata/{name}', 'r') as f:13        return f.read()14@mock_s315@mock_sqs16class IngestAisData(TestCase):17    s3 = None18    sqs = None19    def setUp(self) -> None:20        """21        Creates our mocked S3 bucket which radarprocessor.main.handler will automatically connect to22        :return:23        """24        # Ensure test setup uses the correct test credentials25        os.environ['AWS_ACCESS_KEY_ID'] = 'testing'26        os.environ['AWS_SECRET_ACCESS_KEY'] = 'testing'27        os.environ['AWS_SECURITY_TOKEN'] = 'testing'28        os.environ['AWS_SESSION_TOKEN'] = 'testing'29        os.environ['AWS_DEFAULT_REGION'] = AWS_DEFAULT_REGION30        # Initialize S3 test-bucket31        s3 = boto3.resource('s3', region_name=AWS_DEFAULT_REGION)32        s3.create_bucket(Bucket=TEST_S3_BUCKET_NAME)33        self.s3 = boto3.client('s3', region_name=AWS_DEFAULT_REGION)34        # Initialize SQS test-queue35        sqs = boto3.resource('sqs', region_name=AWS_DEFAULT_REGION)36        test_queue = sqs.create_queue(QueueName=TEST_SQS_QUEUE_NAME, Attributes={'DelaySeconds': '0'})37        self.sqs = boto3.client('sqs')38        environment_patcher = mock.patch.dict(os.environ, {39            'SQS_QUEUE_URL': test_queue.url,40            # Ensure our system looks for resources in the correct region41            'AWS_DEFAULT_REGION': AWS_DEFAULT_REGION,42            # Prevent any use of non-test credentials43            'AWS_ACCESS_KEY_ID': 'testing',44            'AWS_SECRET_ACCESS_KEY': 'testing',45            'AWS_SECURITY_TOKEN': 'testing',46            'AWS_SESSION_TOKEN': 'testing',47        })48        environment_patcher.start()49        self.addCleanup(environment_patcher.stop)50    def test_import_success(self):51        """52        Verifies that uploaded files are processed correctly53        and removed from S3 when completed54        :return:55        """56        # Files we are using in this test57        uploaded_files = [58            S3BucketFile(59                object_key='ScenarioLatLon.csv',60                content=_read_testdata('ScenarioLatLon.csv'),61            ),62        ]63        # Upload the data to the mocked instance of S364        for file in uploaded_files:65            self.s3.put_object(Bucket=TEST_S3_BUCKET_NAME, Key=file.object_key, Body=file.content)66        event = s3_event_bucket_uploaded([uploaded_files[0]])67        # Run our event handler68        handler(event, {})69        print(self.s3.list_objects_v2(Bucket=TEST_S3_BUCKET_NAME))70        list_response = self.s3.list_objects_v2(Bucket=TEST_S3_BUCKET_NAME)71        self.assertNotIn('Content', list_response)72        # # Assert the outcome is correct73        # objects_in_s3 = {content['Key'] for content in self.s3.list_objects_v2(Bucket=TEST_S3_BUCKET_NAME)['Contents']}74        #75        # # TODO This will correctly fail, because handler has not been correctly imported yet76        # # All processed files should have been deleted from S377        # for file in uploaded_files:...

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