github.com/apache/beam/sdks/v2@v2.48.2/python/apache_beam/tools/microbenchmarks_test.py (about)

     1  #
     2  # Licensed to the Apache Software Foundation (ASF) under one or more
     3  # contributor license agreements.  See the NOTICE file distributed with
     4  # this work for additional information regarding copyright ownership.
     5  # The ASF licenses this file to You under the Apache License, Version 2.0
     6  # (the "License"); you may not use this file except in compliance with
     7  # the License.  You may obtain a copy of the License at
     8  #
     9  #    http://www.apache.org/licenses/LICENSE-2.0
    10  #
    11  # Unless required by applicable law or agreed to in writing, software
    12  # distributed under the License is distributed on an "AS IS" BASIS,
    13  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  #
    17  
    18  """Unit tests for microbenchmarks code."""
    19  
    20  # pytype: skip-file
    21  
    22  import unittest
    23  
    24  from pkg_resources import DistributionNotFound
    25  from pkg_resources import get_distribution
    26  
    27  from apache_beam.tools import coders_microbenchmark
    28  from apache_beam.tools import utils
    29  
    30  
    31  class MicrobenchmarksTest(unittest.TestCase):
    32    def test_coders_microbenchmark(self):
    33      # Right now, we don't evaluate performance impact, only check that
    34      # microbenchmark code can successfully run.
    35      coders_microbenchmark.run_coder_benchmarks(
    36          num_runs=1, input_size=10, seed=1, verbose=False)
    37  
    38    def is_cython_installed(self):
    39      try:
    40        get_distribution('cython')
    41        return True
    42      except DistributionNotFound:
    43        return False
    44  
    45    def test_check_compiled(self):
    46      if self.is_cython_installed():
    47        utils.check_compiled('apache_beam.runners.worker.opcounters')
    48      # Unfortunately, if cython is not installed, that doesn't mean we
    49      # can rule out compiled modules (e.g. if Beam was installed from a wheel).
    50      # Technically the other way around could be true as well, e.g. if
    51      # Cython was installed after Beam, but this is rarer and more easily
    52      # remedied.
    53  
    54  
    55  if __name__ == '__main__':
    56    unittest.main()