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# The ASF licenses this file to You under the Apache License, Version 2.0

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"""Unit tests for the windowing classes."""

# pytype: skip-file

import unittest

from apache_beam import coders

from apache_beam.runners import pipeline_context

from apache_beam.transforms import environments

class PipelineContextTest(unittest.TestCase):

def test_deduplication(self):

context = pipeline_context.PipelineContext()

bytes_coder_ref = context.coders.get_id(coders.BytesCoder())

bytes_coder_ref2 = context.coders.get_id(coders.BytesCoder())

self.assertEqual(bytes_coder_ref, bytes_coder_ref2)

def test_deduplication_by_proto(self):

context = pipeline_context.PipelineContext()

env_proto = environments.SubprocessSDKEnvironment(

command_string="foo").to_runner_api(None)

env_ref_1 = context.environments.get_by_proto(env_proto)

env_ref_2 = context.environments.get_by_proto(env_proto, deduplicate=True)

self.assertEqual(env_ref_1, env_ref_2)

def test_equal_environments_are_deduplicated_when_fetched_by_obj_or_proto(

self):

context = pipeline_context.PipelineContext()

env = environments.SubprocessSDKEnvironment(command_string="foo")

env_proto = env.to_runner_api(None)

id_from_proto = context.environments.get_by_proto(env_proto)

id_from_obj = context.environments.get_id(env)

self.assertEqual(id_from_obj, id_from_proto)

self.assertEqual(

context.environments.get_by_id(id_from_obj).command_string, "foo")

env = environments.SubprocessSDKEnvironment(command_string="bar")

env_proto = env.to_runner_api(None)

id_from_obj = context.environments.get_id(env)

id_from_proto = context.environments.get_by_proto(

env_proto, deduplicate=True)

self.assertEqual(id_from_obj, id_from_proto)

self.assertEqual(

context.environments.get_by_id(id_from_obj).command_string, "bar")

def test_serialization(self):

context = pipeline_context.PipelineContext()

float_coder_ref = context.coders.get_id(coders.FloatCoder())

bytes_coder_ref = context.coders.get_id(coders.BytesCoder())

proto = context.to_runner_api()

context2 = pipeline_context.PipelineContext.from_runner_api(proto)

self.assertEqual(

coders.FloatCoder(), context2.coders.get_by_id(float_coder_ref))

self.assertEqual(

coders.BytesCoder(), context2.coders.get_by_id(bytes_coder_ref))

def test_common_id_assignment(self):

context = pipeline_context.PipelineContext()

float_coder_ref = context.coders.get_id(coders.FloatCoder())

bytes_coder_ref = context.coders.get_id(coders.BytesCoder())

context2 = pipeline_context.PipelineContext(

component_id_map=context.component_id_map)

bytes_coder_ref2 = context2.coders.get_id(coders.BytesCoder())

float_coder_ref2 = context2.coders.get_id(coders.FloatCoder())

self.assertEqual(bytes_coder_ref, bytes_coder_ref2)

self.assertEqual(float_coder_ref, float_coder_ref2)

if __name__ == '__main__':

unittest.main()