AnandInguva commented on code in PR #25393: URL: https://github.com/apache/beam/pull/25393#discussion_r1101825988
########## sdks/python/apache_beam/ml/inference/utils_test.py: ########## @@ -0,0 +1,95 @@ +# +# 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. +# +# pytype: skip-file + +import unittest + +import apache_beam as beam +from apache_beam.io.filesystem import FileMetadata +from apache_beam.ml.inference import utils +from apache_beam.testing.test_pipeline import TestPipeline +from apache_beam.testing.util import assert_that +from apache_beam.testing.util import equal_to + + +class WatchFilePatternTest(unittest.TestCase): + def test_latest_file_by_timestamp_default_value(self): + # match continuously returns the files in sorted timestamp order. + main_input_pcoll = [ + FileMetadata( + 'path1.py', + 10, + last_updated_in_seconds=utils._START_TIME_STAMP - 20), + FileMetadata( + 'path2.py', + 10, + last_updated_in_seconds=utils._START_TIME_STAMP - 10) + ] + with TestPipeline() as p: + files_pc = ( + p + | beam.Create(main_input_pcoll) + | beam.Map(lambda x: (x.path, x)) + | beam.ParDo(utils._GetLatestFileByTimeStamp()) + | beam.Map(lambda x: x[0])) + assert_that(files_pc, equal_to(['', ''])) + + def test_latest_file_with_timestamp_after_pipeline_construction_time(self): + main_input_pcoll = [ + FileMetadata( + 'path1.py', + 10, + last_updated_in_seconds=utils._START_TIME_STAMP + 10) + ] + with TestPipeline() as p: + files_pc = ( + p + | beam.Create(main_input_pcoll) + | beam.Map(lambda x: (x.path, x)) + | beam.ParDo(utils._GetLatestFileByTimeStamp()) + | beam.Map(lambda x: x[0])) + assert_that(files_pc, equal_to(['path1.py'])) + + def test_emitting_singleton_output(self): + # match continuously returns the files in sorted timestamp order. + main_input_pcoll = [ + FileMetadata( + 'path1.py', + 10, + last_updated_in_seconds=utils._START_TIME_STAMP - 20), + # returns default + FileMetadata( + 'path2.py', + 10, + last_updated_in_seconds=utils._START_TIME_STAMP - 10), + # returns default + FileMetadata( + 'path3.py', + 10, + last_updated_in_seconds=utils._START_TIME_STAMP + 10) Review Comment: Added -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
