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How to use send_message_batch method in localstack

Best Python code snippet using localstack_python

batch_sender_test.py

Source:batch_sender_test.py

1from botocore.errorfactory import ClientError2from botocore.exceptions import MissingParametersError3from aws_sqs_batch_sender import BatchSender4import unittest5from unittest import mock6class BatchSenderTest(unittest.TestCase):7    def setUp(self):8        self.client = mock.Mock()9        self.client.send_message_batch.return_value = {'Successful': [], 'Failed': []}10        self.queue_url = 'queue_url'11        self.flush_amount = 212        self.batch_sender = BatchSender(self.queue_url, self.client,13                                        overwrite_by_id=True,14                                        flush_amount=self.flush_amount,15                                        max_send_attempts=2,16                                        max_backoff_sleep_secs=0.0000001)17    def test_send_message_does_not_immediately_send(self):18        self.batch_sender.send_message(Id='1', MessageBody=b'')19        self.assertFalse(self.client.send_message_batch.called)20        self.assertFalse(self.client.send_messages.called)21    def test_send_message_flushes_at_flush_amount(self):22        self.batch_sender.send_message(Id='1', MessageBody=b'')23        self.batch_sender.send_message(Id='2', MessageBody=b'')24        expected = [{"QueueUrl": "queue_url",25                     "Entries": [{'Id': '1', 'MessageBody': b''},26                                 {'Id': '2', 'MessageBody': b''}]}]27        self.assert_send_message_batch_calls_are(expected)28        self.assert_messages_buffer_empty()29    def test_multiple_flushes_reset_messages_to_send(self):30        self.batch_sender.send_message(Id='1', MessageBody=b'')31        self.batch_sender.send_message(Id='2', MessageBody=b'')32        self.batch_sender.send_message(Id='3', MessageBody=b'')33        self.batch_sender.send_message(Id='4', MessageBody=b'')34        first_batch = {"QueueUrl": "queue_url",35                       "Entries": [{'Id': '1', 'MessageBody': b''},36                                   {'Id': '2', 'MessageBody': b''}]}37        second_batch = {"QueueUrl": "queue_url",38                        "Entries": [{'Id': '3', 'MessageBody': b''},39                                    {'Id': '4', 'MessageBody': b''}]}40        self.assert_send_message_batch_calls_are([first_batch, second_batch])41        self.assert_messages_buffer_empty()42    def test_flush_resends_batch_on_repeatedly_fully_unprocessed_batch(self):43        self.client.send_message_batch.side_effect = [44            {45                'Failed': [{"Id": "1", "SenderFault": False},46                           {"Id": "2", "SenderFault": False}]47            },48            {49                'Failed': [{"Id": "1", "SenderFault": False},50                           {"Id": "2", "SenderFault": False}]51            },52            {53                'Failed': []54            },55            {56                'Failed': []57            }58        ]59        with self.batch_sender:60            self.batch_sender.send_message(Id='1', MessageBody=b'')61            self.batch_sender.send_message(Id='2', MessageBody=b'')62            self.batch_sender.send_message(Id='3', MessageBody=b'')63        first_batch = {"QueueUrl": "queue_url",64                       "Entries": [{'Id': '1', 'MessageBody': b''},65                                   {'Id': '2', 'MessageBody': b''}]}66        second_batch = {"QueueUrl": "queue_url",67                        "Entries": [{'Id': '3', 'MessageBody': b''}]}68        self.assert_send_message_batch_calls_are([first_batch, first_batch, first_batch, second_batch])69        self.assert_messages_buffer_empty()70    def test_fails_on_failed_send_because_of_sender_fault(self):71        self.client.send_message_batch.side_effect = [72            {73                'Failed': [{"Id": "1", "SenderFault": True, "Code": "Code"},74                           {"Id": "2", "SenderFault": False, "Code": "Code"}]75            }76        ]77        with self.assertRaises(ClientError) as context:78            self.batch_sender.send_message(Id='1', MessageBody=b'')79            self.batch_sender.send_message(Id='2', MessageBody=b'')80            self.assertEqual(context.exception, "Code")81        self.assert_messages_buffer_is([{"Id": '2', "MessageBody": b''}])82    def test_unprocessed_items_added_to_next_batch(self):83        # Suppose the server sends backs a response that indicates that84        # one item was unprocessed.85        self.client.send_message_batch.side_effect = [86            {87                'Failed': [{"Id": "2", "SenderFault": False}]88            },89            # Then everything went through90            {},91            {}92        ]93        with self.batch_sender:94            self.batch_sender.send_message(Id='1', MessageBody=b'')95            self.batch_sender.send_message(Id='2', MessageBody=b'')96            self.batch_sender.send_message(Id='3', MessageBody=b'')97            self.batch_sender.send_message(Id='4', MessageBody=b'')98        first_batch = {"QueueUrl": "queue_url",99                       "Entries": [{'Id': '1', 'MessageBody': b''},100                                   {'Id': '2', 'MessageBody': b''}]}101        second_batch = {"QueueUrl": "queue_url",102                        "Entries": [{'Id': '2', 'MessageBody': b''},103                                    {'Id': '3', 'MessageBody': b''}]}104        third_batch = {"QueueUrl": "queue_url",105                       "Entries": [{'Id': '4', 'MessageBody': b''}]}106        self.assert_send_message_batch_calls_are([first_batch, second_batch, third_batch])107        self.assert_messages_buffer_empty()108    def test_all_messages_sent_on_exit(self):109        with self.batch_sender as b:110            b.send_message(Id='1', MessageBody=b'')111        self.assert_send_message_batch_calls_are([{"QueueUrl": "queue_url",112                                                   "Entries": [{'Id': '1', 'MessageBody': b''}]}])113        self.assert_messages_buffer_empty()114    def test_never_send_more_than_max_batch_size(self):115        # Suppose the server sends backs a response that indicates that116        # all the items were unprocessed.117        self.client.send_message_batch.side_effect = [118            {119                'Failed': [{"Id": "1", "SenderFault": False},120                           {"Id": "2", "SenderFault": False}]121            },122            {},123            # Then the last response shows that everything went through124            {}125        ]126        with BatchSender(self.queue_url, self.client, flush_amount=2) as b:127            b.send_message(Id='1', MessageBody=b'')128            b.send_message(Id='2', MessageBody=b'')129            b.send_message(Id='3', MessageBody=b'')130        # Note how we're never sending more than flush_amount=2.131        first_batch = {"QueueUrl": "queue_url",132                       "Entries": [{'Id': '1', 'MessageBody': b''},133                                   {'Id': '2', 'MessageBody': b''}]}134        # Even when the server sends us unprocessed items of 2 elements,135        # we'll still only send 2 at a time, in order.136        second_batch = {"QueueUrl": "queue_url",137                        "Entries": [{'Id': '1', 'MessageBody': b''},138                                    {'Id': '2', 'MessageBody': b''}]}139        # And then we still see one more unprocessed item so140        # we need to send another batch.141        third_batch = {"QueueUrl": "queue_url",142                       "Entries": [{'Id': '3', 'MessageBody': b''}]}143        self.assert_send_message_batch_calls_are([first_batch, second_batch,144                                                  third_batch])145        self.assert_messages_buffer_empty()146    def test_repeated_flushing_on_exit(self):147        # We're going to simulate failed items148        # returning multiple failed items across calls.149        self.client.send_message_batch.side_effect = [150            {151                'Failed': [152                    {"Id": "2", "SenderFault": False}153                ],154            },155            {156                'Failed': [157                    {"Id": "2", "SenderFault": False}158                ],159            },160            {}161        ]162        with BatchSender(self.queue_url, self.client, overwrite_by_id=False, flush_amount=2) as b:163            b.send_message(Id='1', MessageBody=b'')164            b.send_message(Id='2', MessageBody=b'')165        # So when we exit, we expect three calls.166        # First we try the normal batch write with 3 items:167        first_batch = {"QueueUrl": "queue_url",168                       "Entries": [{'Id': '1', 'MessageBody': b''},169                                   {'Id': '2', 'MessageBody': b''}]}170        second_batch = {"QueueUrl": "queue_url",171                        "Entries": [{'Id': '2', 'MessageBody': b''}]}172        third_batch = {"QueueUrl": "queue_url",173                       "Entries": [{'Id': '2', 'MessageBody': b''}]}174        self.assert_send_message_batch_calls_are([first_batch, second_batch,175                                                  third_batch])176        self.assert_messages_buffer_empty()177    def test_auto_dedup_for_dup_requests_at_the_beginning(self):178        with BatchSender(self.queue_url, self.client,179                         flush_amount=2, overwrite_by_id=True) as b:180            b.send_message(Id='1', MessageBody=b'first')181            b.send_message(Id='1', MessageBody=b'second')182            b.send_message(Id='1', MessageBody=b'third')183            b.send_message(Id='2', MessageBody=b'')184        first_batch = {"QueueUrl": "queue_url",185                       "Entries": [{'Id': '1', 'MessageBody': b'third'},186                                   {'Id': '2', 'MessageBody': b''}]}187        self.assert_send_message_batch_calls_are([first_batch])188        self.assert_messages_buffer_empty()189    def test_auto_dedup_for_dup_requests_at_the_end_with_flush_in_between(self):190        with BatchSender(self.queue_url, self.client,191                         flush_amount=2, overwrite_by_id=True) as b:192            b.send_message(Id='1', MessageBody=b'')193            b.send_message(Id='2', MessageBody=b'first')194            b.send_message(Id='2', MessageBody=b'second')195            b.send_message(Id='2', MessageBody=b'third')196        first_batch = {"QueueUrl": "queue_url",197                       "Entries": [{'Id': '1', 'MessageBody': b''},198                                   {'Id': '2', 'MessageBody': b'first'}]}199        second_batch = {"QueueUrl": "queue_url",200                        "Entries": [{'Id': '2', 'MessageBody': b'third'}]}201        self.assert_send_message_batch_calls_are([first_batch, second_batch])202        self.assert_messages_buffer_empty()203    def test_fails_on_missing_id(self):204        with self.assertRaises(MissingParametersError) as context:205            self.batch_sender.send_message()206        self.assertEqual(str(context.exception), "The following required parameters are missing for Message: Id")207        self.assert_messages_buffer_empty()208    def test_flush_aborts_on_repeated_failure(self):209        # We're going to simulate failed items210        # returning multiple failed items across calls.211        self.client.send_message_batch.side_effect = [212            {213                'Failed': [214                    {"Id": "1", "SenderFault": False, "Code": "Code"}215                ],216            },217            {218                'Failed': [219                    {"Id": "1", "SenderFault": False, "Code": "Code"}220                ],221            },222            {223                'Failed': [224                    {"Id": "1", "SenderFault": False, "Code": "Code"}225                ],226            }227        ]228        with self.assertRaises(ClientError):229            self.batch_sender.send_message(Id='1', MessageBody=b'')230            self.batch_sender.flush()231        self.assert_messages_buffer_is([{"Id": '1', "MessageBody": b''}])232    def assert_send_message_batch_calls_are(self, expected_calls):233        self.assertEqual(self.client.send_message_batch.call_count,234                         len(expected_calls))235        calls = [c[1] for c in self.client.send_message_batch.call_args_list]236        self.assertEqual(expected_calls, calls)237    def assert_messages_buffer_empty(self):238        self.assertEqual([], self.batch_sender._messages_buffer)239    def assert_messages_buffer_is(self, expected_messages_buffer):...

scan_initiator_test.py

Source:scan_initiator_test.py

1import pytest2import os3import itertools4from unittest.mock import patch, MagicMock, call5from test_utils.test_utils import AsyncContextManagerMock, coroutine_of6from boto3.dynamodb.conditions import Key7from decimal import Decimal8TEST_ENV = {9    "REGION": "eu-west-wood",10    "STAGE": "door",11    "APP_NAME": "me-once",12    "USE_XRAY": "0"13}14@pytest.fixture15async def scan_initiator():16    with patch.dict(os.environ, TEST_ENV), \17         patch("aioboto3.client") as boto_client, \18            patch("aioboto3.resource") as boto_resource:19        # ensure each client is a different mock20        boto_client.side_effect = (MagicMock() for _ in itertools.count())21        boto_resource.side_effect = (MagicMock() for _ in itertools.count())22        from scan_initiator import scan_initiator23        yield scan_initiator24        scan_initiator.dynamo_resource.reset_mock()25        scan_initiator.sqs_client.reset_mock()26        await scan_initiator.clean_clients()27@patch.dict(os.environ, TEST_ENV)28def set_ssm_return_vals(ssm_client, period, buckets):29    stage = os.environ["STAGE"]30    app_name = os.environ["APP_NAME"]31    ssm_prefix = f"/{app_name}/{stage}"32    ssm_client.get_parameters.return_value = coroutine_of({33            "Parameters": [34                {"Name": f"{ssm_prefix}/scheduler/dynamodb/scans_planned/id", "Value": "MyTableId"},35                {"Name": f"{ssm_prefix}/scheduler/dynamodb/scans_planned/plan_index", "Value": "MyIndexName"},36                {"Name": f"{ssm_prefix}/scheduler/dynamodb/address_info/id", "Value": "MyIndexName"},37                {"Name": f"{ssm_prefix}/scheduler/config/period", "Value": str(period)},38                {"Name": f"{ssm_prefix}/scheduler/config/buckets", "Value": str(buckets)},39                {"Name": f"{ssm_prefix}/scheduler/scan_delay_queue", "Value": "MyDelayQueue"}40            ]41        })42def _mock_delete_responses(mock_plan_table, side_effects):43    mock_batch_writer = AsyncContextManagerMock()44    mock_plan_table.batch_writer.return_value = mock_batch_writer45    mock_batch_writer.aenter.delete_item.side_effect = side_effects46    return mock_batch_writer.aenter47@patch("time.time", return_value=1984)48@pytest.mark.unit49def test_paginates_scan_results(_, scan_initiator):50    # ssm params don"t matter much in this test51    set_ssm_return_vals(scan_initiator.ssm_client, 40, 10)52    # access mock for dynamodb table53    mock_info_table, mock_plan_table = _mock_resources(scan_initiator)54    # return a single result but with a last evaluated key present, second result wont have55    # that key56    mock_plan_table.scan.side_effect = iter([57        coroutine_of({58            "Items": [{59                "Address": "123.456.123.456",60                "DnsIngestTime": 12345,61                "PlannedScanTime": 6789062            }],63            "LastEvaluatedKey": "SomeKey"64        }),65        coroutine_of({66            "Items": [{67                "Address": "456.345.123.123",68                "DnsIngestTime": 123456,69                "PlannedScanTime": 6789070            }]71        }),72    ])73    mock_info_table.update_item.side_effect = iter([coroutine_of(None), coroutine_of(None)])74    # pretend the sqs messages are all successfully dispatched75    scan_initiator.sqs_client.send_message_batch.side_effect = [76        coroutine_of(None),77        coroutine_of(None)78    ]79    # pretend the delete item calls are all successful too80    writer = _mock_delete_responses(mock_plan_table, [coroutine_of(None), coroutine_of(None)])81    # actually do the test82    scan_initiator.initiate_scans({}, MagicMock())83    # check the scan happens twice, searching for planned scans earlier than 1984 + 40/10 i.e. now + bucket_length84    assert mock_plan_table.scan.call_args_list == [85        call(86            IndexName="MyIndexName",87            FilterExpression=Key("PlannedScanTime").lte(Decimal(1988))88        ),89        call(90            IndexName="MyIndexName",91            FilterExpression=Key("PlannedScanTime").lte(Decimal(1988)),92            ExclusiveStartKey="SomeKey"93        )94    ]95    # Doesn"t batch across pages96    assert scan_initiator.sqs_client.send_message_batch.call_count == 297    assert writer.delete_item.call_count == 298def _mock_resources(scan_initiator):99    mock_plan_table, mock_info_table = (MagicMock(), MagicMock())100    scan_initiator.dynamo_resource.Table.side_effect = iter([mock_plan_table, mock_info_table])101    scan_initiator.dynamo_resource.close.return_value = coroutine_of(None)102    scan_initiator.ssm_client.close.return_value = coroutine_of(None)103    scan_initiator.sqs_client.close.return_value = coroutine_of(None)104    return mock_info_table, mock_plan_table105@patch("time.time", return_value=1984)106@pytest.mark.unit107def test_replace_punctuation_in_address_ids(_, scan_initiator):108    # ssm params don"t matter much in this test109    set_ssm_return_vals(scan_initiator.ssm_client, 100, 4)110    # access mock for dynamodb table111    mock_info_table, mock_plan_table = _mock_resources(scan_initiator)112    # return a single result with ip4 and another with ip6113    mock_plan_table.scan.side_effect = iter([114        coroutine_of({115            "Items": [116                {117                    "Address": "123.456.123.456",118                    "DnsIngestTime": 12345,119                    "PlannedScanTime": 67890120                },121                {122                    "Address": "2001:0db8:85a3:0000:0000:8a2e:0370:7334",123                    "DnsIngestTime": 12345,124                    "PlannedScanTime": 67890125                }126            ]127        })128    ])129    mock_info_table.update_item.side_effect = iter([coroutine_of(None), coroutine_of(None)])130    # pretend the sqs and dynamo deletes are all ok131    scan_initiator.sqs_client.send_message_batch.side_effect = [coroutine_of(None)]132    _mock_delete_responses(mock_plan_table, [coroutine_of(None), coroutine_of(None)])133    # actually do the test134    scan_initiator.initiate_scans({}, MagicMock())135    # check both addresses have : and . replaced with -136    scan_initiator.sqs_client.send_message_batch.assert_called_once_with(137        QueueUrl="MyDelayQueue",138        Entries=[139            {140                "Id": "123-456-123-456",141                "DelaySeconds": 67890-1984,  # planned scan time minus now time142                "MessageBody": "{\"AddressToScan\":\"123.456.123.456\"}"143            },144            {145                "Id": "2001-0db8-85a3-0000-0000-8a2e-0370-7334",146                "DelaySeconds": 67890-1984,  # planned scan time minus now time147                "MessageBody": "{\"AddressToScan\":\"2001:0db8:85a3:0000:0000:8a2e:0370:7334\"}"148            }149        ]150    )151@patch("time.time", return_value=1984)152@pytest.mark.unit153def test_batches_sqs_writes(_, scan_initiator):154    # ssm params don"t matter much in this test155    set_ssm_return_vals(scan_initiator.ssm_client, 100, 4)156    # access mock for dynamodb table157    mock_info_table, mock_plan_table = _mock_resources(scan_initiator)158    # send 32 responses in a single scan result, will be batched into groups of 10 for159    # sqs160    mock_plan_table.scan.side_effect = iter([161        coroutine_of({162            "Items": [163                {164                    "Address": f"123.456.123.{item_num}",165                    "DnsIngestTime": 12345,166                    "PlannedScanTime": 67890167                }168                for item_num in range(0, 32)169            ]170        })171    ])172    mock_info_table.update_item.side_effect = iter([coroutine_of(None) for _ in range(0, 32)])173    # pretend the sqs and dynamo deletes are all ok, there are 4 calls to sqs174    # and175    scan_initiator.sqs_client.send_message_batch.side_effect = [176        coroutine_of(None) for _ in range(0, 4)177    ]178    writer = _mock_delete_responses(mock_plan_table, [179        coroutine_of(None) for _ in range(0, 32)180    ])181    # actually do the test182    scan_initiator.initiate_scans({}, MagicMock())183    # There will be 4 calls to  sqs184    assert scan_initiator.sqs_client.send_message_batch.call_count == 4185    # The last batch will have 2 remaining items in it N.B. a call object is a tuple of the186    # positional args and then the kwags187    assert len(scan_initiator.sqs_client.send_message_batch.call_args_list[3][1]["Entries"]) == 2188    # There will be individual deletes for each address i.e. 32 of them189    assert writer.delete_item.call_count == 32190@patch("time.time", return_value=1984)191@pytest.mark.unit192def test_no_deletes_until_all_sqs_success(_, scan_initiator):193    # ssm params don"t matter much in this test194    set_ssm_return_vals(scan_initiator.ssm_client, 100, 4)195    # access mock for dynamodb table196    mock_info_table, mock_plan_table = _mock_resources(scan_initiator)197    # send a single response198    mock_plan_table.scan.side_effect = [199        coroutine_of({200            "Items": [201                {202                    "Address": f"123.456.123.5",203                    "DnsIngestTime": 12345,204                    "PlannedScanTime": 67890205                }206            ]207        })208    ]209    # pretend the sqs and dynamo deletes are all ok, there are 4 calls to sqs210    # and211    scan_initiator.sqs_client.send_message_batch.side_effect = [212        Exception("test error")213    ]214    writer = _mock_delete_responses(mock_plan_table, [])215    # actually do the test216    with pytest.raises(Exception):217        scan_initiator.initiate_scans({}, MagicMock())218    # There will be 1 call to sqs219    assert scan_initiator.sqs_client.send_message_batch.call_count == 1220    # and none to dynamo...

a_sqs.py

Source:a_sqs.py

...4    def __init__(self, session, queue):5        self.session = session6        self.client = self.session.client("sqs")7        self.queue = queue8    def send_message_batch(self, batches):9        try:10            response = self.client.send_message_batch(11                QueueUrl=self.queue,12                Entries=batches13            )14        except botocore.exceptions.ClientError as e:15            print(e)16            half = len(batches)//217            a = batches[:half]18            b = batches[half:]19            response = []20            if len(a) > 0:21                response.append(self.client.send_message_batch(22                    QueueUrl=self.queue,23                    Entries=a24                ))25            if len(b) > 0:26                response.append(self.client.send_message_batch(27                    QueueUrl=self.queue,28                    Entries=b29                ))...

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