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# this work for additional information regarding copyright ownership.

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# http://www.apache.org/licenses/LICENSE-2.0

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"""Test for the coders example."""

# pytype: skip-file

import logging

import unittest

import apache_beam as beam

from apache_beam.examples.cookbook import coders

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 CodersTest(unittest.TestCase):

SAMPLE_RECORDS = [{

'host': ['Germany', 1], 'guest': ['Italy', 0]

}, {

'host': ['Germany', 1], 'guest': ['Brasil', 3]

}, {

'host': ['Brasil', 1], 'guest': ['Italy', 0]

}]

EXPECTED_RESULT = [('Italy', 0), ('Brasil', 6), ('Germany', 3)]

def test_compute_points(self):

with TestPipeline() as p:

records = p | 'create' >> beam.Create(self.SAMPLE_RECORDS)

result = (

records

| 'points' >> beam.FlatMap(coders.compute_points)

| beam.CombinePerKey(sum))

assert_that(result, equal_to(self.EXPECTED_RESULT))

if __name__ == '__main__':

logging.getLogger().setLevel(logging.INFO)

unittest.main()