How to use lambda_client method in localstack
Best Python code snippet using localstack_python
test_index.py
Source:test_index.py 
1# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.2# SPDX-License-Identifier: Apache-2.03from unittest import TestCase4from unittest.mock import patch, MagicMock5from botocore.exceptions import ClientError6with patch("boto3.client") as boto_client_mock:7 with patch("gamekitresourcemanagement.cfn_custom_resource.send_success_response") as mock_send_success_response:8 with patch('gamekitresourcemanagement.cfn_custom_resource.send_failure_response') as mock_send_failure_response:9 from functions.main.RemoveLambdaLayersOnDelete import index10LAYER_1 = 'LambdaLayer1'11LAYER_2 = 'LambdaLayer2'12UNMATCHED_LAYER = 'UnmatchedLambdaLayer'13LAYER_VERSIONS_1 = [1, 2, 3]14LAYER_VERSIONS_2 = [1]15NEXT_MARKER = 'NextMarker'16LAYER_PREFIX = 'LambdaLayer'17PHYSICAL_RESOURCE_ID = 'delete-lambda-layers-some-hash-here'18STACK_ID = 'test_stack_id'19LOGICAL_RESOURCE_ID = 'test_logical_resource_id'20REQUEST_ID = 'test_request_id'21RESPONSE_URL = 'https://website.tld/some_url'22class TestIndex(TestCase):23 def setUp(self):24 index.lambda_client = MagicMock()25 mock_send_success_response.reset_mock()26 mock_send_failure_response.reset_mock()27 def test_removes_all_matching_lambda_layers_no_pagination(self):28 # Arrange29 event = self.get_event()30 context = self.get_context()31 index.lambda_client.list_layers.return_value = self.get_list_layers_response(32 [LAYER_1, LAYER_2, UNMATCHED_LAYER])33 index.lambda_client.list_layer_versions.side_effect = [34 self.get_list_layer_versions_response(LAYER_VERSIONS_1),35 self.get_list_layer_versions_response(LAYER_VERSIONS_2)36 ]37 # Act38 index.lambda_handler(event, context)39 # Assert40 index.lambda_client.list_layers.assert_called_once()41 self.assertEqual(index.lambda_client.list_layer_versions.call_count, 2)42 self.assertEqual(index.lambda_client.delete_layer_version.call_count, 4)43 mock_send_success_response.assert_called_once()44 mock_send_failure_response.assert_not_called()45 def test_removes_all_matching_lambda_layers_pagination(self):46 # Arrange47 event = self.get_event()48 context = self.get_context()49 index.lambda_client.list_layers.side_effect = [50 self.get_list_layers_response([LAYER_1], NEXT_MARKER),51 self.get_list_layers_response([LAYER_2, UNMATCHED_LAYER])52 ]53 # Paginate layer versions request for the first layer54 index.lambda_client.list_layer_versions.side_effect = [55 self.get_list_layer_versions_response(LAYER_VERSIONS_1[0:2], NEXT_MARKER),56 self.get_list_layer_versions_response(LAYER_VERSIONS_1[2:]),57 self.get_list_layer_versions_response(LAYER_VERSIONS_2)58 ]59 # Act60 index.lambda_handler(event, context)61 # Assert62 self.assertEqual(index.lambda_client.list_layers.call_count, 2)63 self.assertEqual(index.lambda_client.list_layer_versions.call_count, 3)64 self.assertEqual(index.lambda_client.delete_layer_version.call_count, 4)65 mock_send_success_response.assert_called_once()66 mock_send_failure_response.assert_not_called()67 def test_deletes_nothing_if_no_layers_exist(self):68 # Arrange69 event = self.get_event()70 context = self.get_context()71 index.lambda_client.list_layers.return_value = self.get_list_layers_response([])72 # Act73 index.lambda_handler(event, context)74 # Assert75 index.lambda_client.list_layers.assert_called_once()76 index.lambda_client.list_layer_versions.assert_not_called()77 index.lambda_client.delete_layer_version.assert_not_called()78 mock_send_success_response.assert_called_once()79 mock_send_failure_response.assert_not_called()80 def test_sends_failure_on_list_layers_error(self):81 # Arrange82 event = self.get_event()83 context = self.get_context()84 index.lambda_client.list_layers.side_effect = ClientError({85 'Error': {86 'Code': 500,87 'Message': 'Some Lambda Error'88 }89 }, 'ListLayers')90 # Act91 with self.assertRaises(ClientError):92 index.lambda_handler(event, context)93 # Assert94 index.lambda_client.list_layers.assert_called_once()95 index.lambda_client.list_layer_versions.assert_not_called()96 index.lambda_client.delete_layer_version.assert_not_called()97 mock_send_success_response.assert_not_called()98 mock_send_failure_response.assert_called_once()99 def test_sends_failure_on_list_layer_versions_error(self):100 # Arrange101 event = self.get_event()102 context = self.get_context()103 index.lambda_client.list_layers.return_value = self.get_list_layers_response([LAYER_1])104 index.lambda_client.list_layer_versions.side_effect = ClientError({105 'Error': {106 'Code': 500,107 'Message': 'Some Lambda Error'108 }109 }, 'ListLayerVersions')110 # Act111 with self.assertRaises(ClientError):112 index.lambda_handler(event, context)113 # Assert114 index.lambda_client.list_layers.assert_called_once()115 index.lambda_client.list_layer_versions.assert_called_once()116 index.lambda_client.delete_layer_version.assert_not_called()117 mock_send_success_response.assert_not_called()118 mock_send_failure_response.assert_called_once()119 def test_sends_failure_on_delete_layer_version_error(self):120 # Arrange121 event = self.get_event()122 context = self.get_context()123 index.lambda_client.list_layers.return_value = self.get_list_layers_response([LAYER_1])124 index.lambda_client.list_layer_versions.return_value = self.get_list_layer_versions_response([LAYER_VERSIONS_1])125 index.lambda_client.delete_layer_version.side_effect = ClientError({126 'Error': {127 'Code': 500,128 'Message': 'Some Lambda Error'129 }130 }, 'DeleteLayerVersion')131 # Act132 with self.assertRaises(ClientError):133 index.lambda_handler(event, context)134 # Assert135 index.lambda_client.list_layers.assert_called_once()136 index.lambda_client.list_layer_versions.assert_called_once()137 index.lambda_client.delete_layer_version.assert_called_once()138 mock_send_success_response.assert_not_called()139 mock_send_failure_response.assert_called_once()140 def test_ignores_non_delete_events(self):141 # Arrange142 event = self.get_event()143 event['RequestType'] = 'Create'144 context = self.get_context()145 # Act146 index.lambda_handler(event, context)147 # Assert148 index.lambda_client.list_layers.assert_not_called()149 index.lambda_client.list_layer_versions.assert_not_called()150 index.lambda_client.delete_layer_versions.assert_not_called()151 mock_send_success_response.assert_called_once()152 mock_send_failure_response.assert_not_called()153 @staticmethod154 def get_list_layers_response(layers: [str], next_marker: str = None):155 return {156 'Layers': [{'LayerName': layer} for layer in layers],157 'NextMarker': next_marker158 }159 @staticmethod160 def get_list_layer_versions_response(layer_versions: [int], next_marker: str = None):161 return {162 'LayerVersions': [{'Version': layer_version} for layer_version in layer_versions],163 'NextMarker': next_marker164 }165 @staticmethod166 def get_event():167 return {168 'RequestType': 'Delete',169 'ResourceProperties': {170 'layer_prefix': LAYER_PREFIX171 },172 'PhysicalResourceId': PHYSICAL_RESOURCE_ID,173 'StackId': STACK_ID,174 'LogicalResourceId': LOGICAL_RESOURCE_ID,175 'RequestId': REQUEST_ID,176 'ResponseURL': RESPONSE_URL177 }178 @staticmethod179 def get_context():180 context = MagicMock()...
test_start_lambda.py
Source:test_start_lambda.py
1from concurrent.futures import ThreadPoolExecutor, as_completed2from time import time3import pytest4import boto35from botocore import UNSIGNED6from botocore.config import Config7from botocore.exceptions import ClientError8from .start_lambda_api_integ_base import StartLambdaIntegBaseClass9class TestParallelRequests(StartLambdaIntegBaseClass):10 template_path = "/testdata/invoke/template.yml"11 def setUp(self):12 self.url = "http://127.0.0.1:{}".format(self.port)13 self.lambda_client = boto3.client(14 "lambda",15 endpoint_url=self.url,16 region_name="us-east-1",17 use_ssl=False,18 verify=False,19 config=Config(signature_version=UNSIGNED, read_timeout=120, retries={"max_attempts": 0}),20 )21 @pytest.mark.flaky(reruns=3)22 @pytest.mark.timeout(timeout=300, method="thread")23 def test_same_endpoint(self):24 """25 Send two requests to the same path at the same time. This is to ensure we can handle26 multiple requests at once and do not block/queue up requests27 """28 number_of_requests = 1029 start_time = time()30 thread_pool = ThreadPoolExecutor(number_of_requests)31 futures = [32 thread_pool.submit(self.lambda_client.invoke, FunctionName="HelloWorldSleepFunction")33 for _ in range(0, number_of_requests)34 ]35 results = [r.result() for r in as_completed(futures)]36 end_time = time()37 self.assertEqual(len(results), 10)38 self.assertGreater(end_time - start_time, 10)39 for result in results:40 self.assertEqual(result.get("Payload").read().decode("utf-8"), '"Slept for 10s"')41class TestLambdaServiceErrorCases(StartLambdaIntegBaseClass):42 template_path = "/testdata/invoke/template.yml"43 def setUp(self):44 self.url = "http://127.0.0.1:{}".format(self.port)45 self.lambda_client = boto3.client(46 "lambda",47 endpoint_url=self.url,48 region_name="us-east-1",49 use_ssl=False,50 verify=False,51 config=Config(signature_version=UNSIGNED, read_timeout=120, retries={"max_attempts": 0}),52 )53 @pytest.mark.flaky(reruns=3)54 @pytest.mark.timeout(timeout=300, method="thread")55 def test_invoke_with_non_json_data(self):56 expected_error_message = (57 "An error occurred (InvalidRequestContent) when calling the Invoke operation: "58 "Could not parse request body into json: No JSON object could be decoded"59 )60 with self.assertRaises(ClientError) as error:61 self.lambda_client.invoke(FunctionName="EchoEventFunction", Payload="notat:asdfasdf")62 self.assertEqual(str(error.exception), expected_error_message)63 @pytest.mark.flaky(reruns=3)64 @pytest.mark.timeout(timeout=300, method="thread")65 def test_invoke_with_log_type_not_None(self):66 expected_error_message = (67 "An error occurred (NotImplemented) when calling the Invoke operation: "68 "log-type: Tail is not supported. None is only supported."69 )70 with self.assertRaises(ClientError) as error:71 self.lambda_client.invoke(FunctionName="EchoEventFunction", LogType="Tail")72 self.assertEqual(str(error.exception), expected_error_message)73 @pytest.mark.flaky(reruns=3)74 @pytest.mark.timeout(timeout=300, method="thread")75 def test_invoke_with_invocation_type_not_RequestResponse(self):76 expected_error_message = (77 "An error occurred (NotImplemented) when calling the Invoke operation: "78 "invocation-type: DryRun is not supported. RequestResponse is only supported."79 )80 with self.assertRaises(ClientError) as error:81 self.lambda_client.invoke(FunctionName="EchoEventFunction", InvocationType="DryRun")82 self.assertEqual(str(error.exception), expected_error_message)83class TestLambdaService(StartLambdaIntegBaseClass):84 template_path = "/testdata/invoke/template.yml"85 def setUp(self):86 self.url = "http://127.0.0.1:{}".format(self.port)87 self.lambda_client = boto3.client(88 "lambda",89 endpoint_url=self.url,90 region_name="us-east-1",91 use_ssl=False,92 verify=False,93 config=Config(signature_version=UNSIGNED, read_timeout=120, retries={"max_attempts": 0}),94 )95 @pytest.mark.flaky(reruns=3)96 @pytest.mark.timeout(timeout=300, method="thread")97 def test_invoke_with_data(self):98 response = self.lambda_client.invoke(FunctionName="EchoEventFunction", Payload='"This is json data"')99 self.assertEqual(response.get("Payload").read().decode("utf-8"), '"This is json data"')100 self.assertIsNone(response.get("FunctionError"))101 self.assertEqual(response.get("StatusCode"), 200)102 @pytest.mark.flaky(reruns=3)103 @pytest.mark.timeout(timeout=300, method="thread")104 def test_invoke_with_no_data(self):105 response = self.lambda_client.invoke(FunctionName="EchoEventFunction")106 self.assertEqual(response.get("Payload").read().decode("utf-8"), "{}")107 self.assertIsNone(response.get("FunctionError"))108 self.assertEqual(response.get("StatusCode"), 200)109 @pytest.mark.flaky(reruns=3)110 @pytest.mark.timeout(timeout=300, method="thread")111 def test_invoke_with_log_type_None(self):112 response = self.lambda_client.invoke(FunctionName="EchoEventFunction", LogType="None")113 self.assertEqual(response.get("Payload").read().decode("utf-8"), "{}")114 self.assertIsNone(response.get("FunctionError"))115 self.assertEqual(response.get("StatusCode"), 200)116 @pytest.mark.flaky(reruns=3)117 @pytest.mark.timeout(timeout=300, method="thread")118 def test_invoke_with_invocation_type_RequestResponse(self):119 response = self.lambda_client.invoke(FunctionName="EchoEventFunction", InvocationType="RequestResponse")120 self.assertEqual(response.get("Payload").read().decode("utf-8"), "{}")121 self.assertIsNone(response.get("FunctionError"))122 self.assertEqual(response.get("StatusCode"), 200)123 @pytest.mark.flaky(reruns=3)124 @pytest.mark.timeout(timeout=300, method="thread")125 def test_lambda_function_raised_error(self):126 response = self.lambda_client.invoke(FunctionName="RaiseExceptionFunction", InvocationType="RequestResponse")127 self.assertEqual(128 response.get("Payload").read().decode("utf-8"),129 '{"errorMessage": "Lambda is raising an exception", '130 '"errorType": "Exception", '131 '"stackTrace": [["/var/task/main.py", 48, "raise_exception", '132 '"raise Exception(\\"Lambda is raising an exception\\")"]]}',133 )134 self.assertEqual(response.get("FunctionError"), "Unhandled")135 self.assertEqual(response.get("StatusCode"), 200)136 @pytest.mark.flaky(reruns=3)137 @pytest.mark.timeout(timeout=300, method="thread")138 def test_invoke_with_function_timeout(self):139 """140 This behavior does not match the actually Lambda Service. For functions that timeout, data returned like the141 following:142 {"errorMessage":"<timestamp> <request_id> Task timed out after 5.00 seconds"}143 For Local Lambda's, however, timeouts are an interrupt on the thread that runs invokes the function. Since the144 invoke is on a different thread, we do not (currently) have a way to communicate this back to the caller. So145 when a timeout happens locally, we do not add the FunctionError: Unhandled to the response and have an empty146 string as the data returned (because no data was found in stdout from the container).147 """148 response = self.lambda_client.invoke(FunctionName="TimeoutFunction")149 self.assertEqual(response.get("Payload").read().decode("utf-8"), "")150 self.assertIsNone(response.get("FunctionError"))...
test_lambda_basics.py
Source:test_lambda_basics.py
1# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.2# SPDX-License-Identifier: Apache-2.03"""4Unit tests for lambda_basics.py functions.5"""6import json7import unittest.mock8import zipfile9import boto310from botocore.exceptions import ClientError11import pytest12from lambda_basics import LambdaWrapper13def test_create_lambda_deployment_package(monkeypatch):14 monkeypatch.setattr(zipfile.ZipFile, 'write', lambda x, y, z: None)15 wrapper = LambdaWrapper(None, None)16 got_package = wrapper.create_deployment_package('test-file', 'other-file')17 assert got_package is not None18@pytest.mark.parametrize(19 'error_code,stop_on_method', [20 (None, None),21 ('TestException', 'stub_create_role'),22 ('TestException', 'stub_attach_role_policy')23 ])24def test_create_iam_role_for_lambda(25 make_stubber, make_unique_name, stub_runner, error_code, stop_on_method):26 iam_resource = boto3.resource('iam')27 iam_stubber = make_stubber(iam_resource.meta.client)28 wrapper = LambdaWrapper(None, iam_resource)29 role_name = make_unique_name('role-')30 with stub_runner(error_code, stop_on_method) as runner:31 runner.add(iam_stubber.stub_get_role, role_name, error_code='NoSuchEntity')32 runner.add(iam_stubber.stub_create_role, role_name)33 runner.add(34 iam_stubber.stub_attach_role_policy, role_name,35 'arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole')36 if error_code is None:37 got_role, got_created = wrapper.create_iam_role_for_lambda(role_name)38 assert got_role.name == role_name39 assert got_created40 else:41 with pytest.raises(ClientError) as exc_info:42 wrapper.create_iam_role_for_lambda(role_name)43 assert exc_info.value.response['Error']['Code'] == error_code44@pytest.mark.parametrize('error_code', [None, 'TestException'])45def test_create_function(make_stubber, make_unique_name, error_code):46 lambda_client = boto3.client('lambda')47 lambda_stubber = make_stubber(lambda_client)48 wrapper = LambdaWrapper(lambda_client, None)49 func_name = make_unique_name('func-')50 handler_name = make_unique_name('handler-')51 iam_role = unittest.mock.MagicMock(arn='arn:aws:iam:::role/test-role')52 test_package = 'test-package'53 func_arn = f'arn:aws:lambda:::function/{func_name}'54 lambda_stubber.stub_create_function(55 func_name, func_arn, iam_role.arn, handler_name, test_package,56 error_code=error_code)57 if error_code is None:58 lambda_stubber.stub_get_function(func_name, 'Active')59 if error_code is None:60 got_arn = wrapper.create_function(func_name, handler_name, iam_role, test_package)61 assert got_arn == func_arn62 else:63 with pytest.raises(ClientError) as exc_info:64 wrapper.create_function(65 func_name, handler_name, iam_role, test_package)66 assert exc_info.value.response['Error']['Code'] == error_code67@pytest.mark.parametrize('error_code', [68 None, 'TestException', 'ResourceNotFoundException'])69def test_get_function(make_stubber, error_code):70 lambda_client = boto3.client('lambda')71 lambda_stubber = make_stubber(lambda_client)72 wrapper = LambdaWrapper(lambda_client, None)73 func_name = 'test-func_name'74 lambda_stubber.stub_get_function(func_name, error_code=error_code)75 if error_code in (None, 'ResourceNotFoundException'):76 wrapper.get_function(func_name)77 else:78 with pytest.raises(ClientError) as exc_info:79 wrapper.get_function(func_name)80 assert exc_info.value.response['Error']['Code'] == error_code81@pytest.mark.parametrize('error_code', [None, 'TestException'])82def test_delete_function(make_stubber, make_unique_name, error_code):83 lambda_client = boto3.client('lambda')84 lambda_stubber = make_stubber(lambda_client)85 wrapper = LambdaWrapper(lambda_client, None)86 func_name = make_unique_name('func-')87 lambda_stubber.stub_delete_function(func_name, error_code=error_code)88 if error_code is None:89 wrapper.delete_function(func_name)90 else:91 with pytest.raises(ClientError) as exc_info:92 wrapper.delete_function(func_name)93 assert exc_info.value.response['Error']['Code'] == error_code94@pytest.mark.parametrize('error_code', [None, 'TestException'])95def test_invoke_function(make_stubber, make_unique_name, error_code):96 lambda_client = boto3.client('lambda')97 lambda_stubber = make_stubber(lambda_client)98 wrapper = LambdaWrapper(lambda_client, None)99 func_name = make_unique_name('func-')100 func_params = {'param1': 'test', 'param2': 35}101 response_payload = 'ahoy there'102 lambda_stubber.stub_invoke(103 func_name, json.dumps(func_params), response_payload, log_type='None',104 error_code=error_code)105 if error_code is None:106 response = wrapper.invoke_function(func_name, func_params)107 assert response['Payload'] == response_payload108 else:109 with pytest.raises(ClientError) as exc_info:110 wrapper.invoke_function(func_name, func_params)111 assert exc_info.value.response['Error']['Code'] == error_code112@pytest.mark.parametrize('error_code', [None, 'TestException'])113def test_update_function_code(make_stubber, error_code):114 lambda_client = boto3.client('lambda')115 lambda_stubber = make_stubber(lambda_client)116 wrapper = LambdaWrapper(lambda_client, None)117 func_name = 'test-func_name'118 package = 'test-package'119 update_status = 'InProgress'120 lambda_stubber.stub_update_function_code(121 func_name, update_status, package=package, error_code=error_code)122 if error_code is None:123 got_response = wrapper.update_function_code(func_name, package)124 assert got_response['LastUpdateStatus'] == update_status125 else:126 with pytest.raises(ClientError) as exc_info:127 wrapper.update_function_code(func_name, package)128 assert exc_info.value.response['Error']['Code'] == error_code129@pytest.mark.parametrize('error_code', [None, 'TestException'])130def test_update_function_configuration(make_stubber, error_code):131 lambda_client = boto3.client('lambda')132 lambda_stubber = make_stubber(lambda_client)133 wrapper = LambdaWrapper(lambda_client, None)134 func_name = 'test-func_name'135 env_vars = {'test-key': 'test-val'}136 lambda_stubber.stub_update_function_configuration(137 func_name, env_vars, error_code=error_code)138 if error_code is None:139 got_response = wrapper.update_function_configuration(func_name, env_vars)140 assert got_response141 else:142 with pytest.raises(ClientError) as exc_info:143 wrapper.update_function_configuration(func_name, env_vars)144 assert exc_info.value.response['Error']['Code'] == error_code145@pytest.mark.parametrize('error_code', [None, 'TestException'])146def test_list_functions(make_stubber, error_code):147 lambda_client = boto3.client('lambda')148 lambda_stubber = make_stubber(lambda_client)149 wrapper = LambdaWrapper(lambda_client, None)150 funcs = [{151 'FunctionName': f'test-func-{index}',152 'Description': f'test description {index}',153 'Runtime': f'test-runtime-{index}',154 'Handler': f'test-handler-{index}'}155 for index in range(3)]156 lambda_stubber.stub_list_functions(funcs, error_code=error_code)157 if error_code is None:158 wrapper.list_functions()159 else:160 with pytest.raises(ClientError) as exc_info:161 wrapper.list_functions()...
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