#

# 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.

#

"""Unit tests for microbenchmarks code."""

# pytype: skip-file

import unittest

from importlib.metadata import PackageNotFoundError

from importlib.metadata import distribution

from apache_beam.tools import coders_microbenchmark

from apache_beam.tools import utils

class MicrobenchmarksTest(unittest.TestCase):

def test_coders_microbenchmark(self):

# Right now, we don't evaluate performance impact, only check that

# microbenchmark code can successfully run.

coders_microbenchmark.run_coder_benchmarks(

num_runs=1, input_size=10, seed=1, verbose=False)

def is_cython_installed(self):

try:

distribution('cython')

return True

except PackageNotFoundError:

return False

def test_check_compiled(self):

if self.is_cython_installed():

utils.check_compiled('apache_beam.runners.worker.opcounters')

# Unfortunately, if cython is not installed, that doesn't mean we

# can rule out compiled modules (e.g. if Beam was installed from a wheel).

# Technically the other way around could be true as well, e.g. if

# Cython was installed after Beam, but this is rarer and more easily

# remedied.

if __name__ == '__main__':

unittest.main()