| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| from __future__ import absolute_import |
| |
| import argparse |
| import logging |
| import time |
| |
| import apache_beam as beam |
| from apache_beam.options.pipeline_options import PipelineOptions |
| from apache_beam.testing.test_pipeline import TestPipeline |
| from apache_beam.testing.util import assert_that |
| from apache_beam.testing.util import equal_to |
| |
| |
| def run(argv=None): |
| default_db = 'beam_mongodbio_it_db' |
| default_coll = 'integration_test_%d' % time.time() |
| parser = argparse.ArgumentParser() |
| parser.add_argument('--mongo_uri', |
| default='mongodb://localhost:27017', |
| help='mongo uri string for connection') |
| parser.add_argument('--mongo_db', |
| default=default_db, |
| help='mongo uri string for connection') |
| parser.add_argument('--mongo_coll', |
| default=default_coll, |
| help='mongo uri string for connection') |
| parser.add_argument('--num_documents', |
| default=100000, |
| help='The expected number of documents to be generated ' |
| 'for write or read', |
| type=int) |
| parser.add_argument('--batch_size', |
| default=10000, |
| help=('batch size for writing to mongodb')) |
| known_args, pipeline_args = parser.parse_known_args(argv) |
| |
| # Test Write to MongoDB |
| with TestPipeline(options=PipelineOptions(pipeline_args)) as p: |
| start_time = time.time() |
| logging.info('Writing %d documents to mongodb' % known_args.num_documents) |
| docs = [{ |
| 'number': x, |
| 'number_mod_2': x % 2, |
| 'number_mod_3': x % 3 |
| } for x in range(known_args.num_documents)] |
| |
| _ = p | 'Create documents' >> beam.Create(docs) \ |
| | 'WriteToMongoDB' >> beam.io.WriteToMongoDB(known_args.mongo_uri, |
| known_args.mongo_db, |
| known_args.mongo_coll, |
| known_args.batch_size) |
| elapsed = time.time() - start_time |
| logging.info('Writing %d documents to mongodb finished in %.3f seconds' % |
| (known_args.num_documents, elapsed)) |
| |
| # Test Read from MongoDB |
| with TestPipeline(options=PipelineOptions(pipeline_args)) as p: |
| start_time = time.time() |
| logging.info('Reading from mongodb %s:%s' % |
| (known_args.mongo_db, known_args.mongo_coll)) |
| r = p | 'ReadFromMongoDB' >> \ |
| beam.io.ReadFromMongoDB(known_args.mongo_uri, |
| known_args.mongo_db, |
| known_args.mongo_coll, |
| projection=['number']) \ |
| | 'Map' >> beam.Map(lambda doc: doc['number']) |
| assert_that( |
| r, equal_to([number for number in range(known_args.num_documents)])) |
| |
| elapsed = time.time() - start_time |
| logging.info('Read %d documents from mongodb finished in %.3f seconds' % |
| (known_args.num_documents, elapsed)) |
| |
| |
| if __name__ == "__main__": |
| logging.getLogger().setLevel(logging.INFO) |
| run() |