| # |
| # 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. |
| # |
| |
| """A Dataflow job that counts the number of rows in a BQ table. |
| |
| Can be configured to simulate slow reading for a given number of rows. |
| """ |
| |
| # pytype: skip-file |
| |
| import logging |
| import unittest |
| |
| import pytest |
| from hamcrest.core.core.allof import all_of |
| |
| from apache_beam.io.gcp import bigquery_io_read_pipeline |
| from apache_beam.testing.pipeline_verifiers import PipelineStateMatcher |
| from apache_beam.testing.test_pipeline import TestPipeline |
| |
| |
| class BigqueryIOReadIT(unittest.TestCase): |
| |
| DEFAULT_DATASET = "big_query_import_export" |
| DEFAULT_TABLE_PREFIX = "export_" |
| NUM_RECORDS = { |
| "empty": 0, |
| "1M": 10592, |
| "1G": 11110839, |
| "1T": 11110839000, |
| } |
| |
| def run_bigquery_io_read_pipeline(self, input_size, beam_bq_source=False): |
| test_pipeline = TestPipeline(is_integration_test=True) |
| pipeline_verifiers = [ |
| PipelineStateMatcher(), |
| ] |
| extra_opts = { |
| 'input_table': self.DEFAULT_DATASET + "." + self.DEFAULT_TABLE_PREFIX + |
| input_size, |
| 'num_records': self.NUM_RECORDS[input_size], |
| 'beam_bq_source': str(beam_bq_source), |
| 'on_success_matcher': all_of(*pipeline_verifiers) |
| } |
| bigquery_io_read_pipeline.run( |
| test_pipeline.get_full_options_as_args(**extra_opts)) |
| |
| @pytest.mark.it_postcommit |
| def test_bigquery_read_custom_1M_python(self): |
| self.run_bigquery_io_read_pipeline('1M', True) |
| |
| @pytest.mark.it_postcommit |
| def test_bigquery_read_1M_python(self): |
| self.run_bigquery_io_read_pipeline('1M') |
| |
| |
| if __name__ == '__main__': |
| logging.getLogger().setLevel(logging.INFO) |
| unittest.main() |