sdks/python/apache_beam/examples/snippets/transforms/element_wise/regex_test.py

# coding=utf-8
#
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# 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
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#    http://www.apache.org/licenses/LICENSE-2.0
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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from __future__ import absolute_import
from __future__ import print_function

import unittest

import mock

from apache_beam.testing.test_pipeline import TestPipeline
from apache_beam.testing.util import assert_that
from apache_beam.testing.util import equal_to

from . import regex


def check_matches(actual):
  # [START plants_matches]
  plants_matches = [
      '🍓, Strawberry, perennial',
      '🥕, Carrot, biennial',
      '🍆, Eggplant, perennial',
      '🍅, Tomato, annual',
      '🥔, Potato, perennial',
  ]
  # [END plants_matches]
  assert_that(actual, equal_to(plants_matches))


def check_all_matches(actual):
  # [START plants_all_matches]
  plants_all_matches = [
      ['🍓, Strawberry, perennial', '🍓', 'Strawberry', 'perennial'],
      ['🥕, Carrot, biennial', '🥕', 'Carrot', 'biennial'],
      ['🍆, Eggplant, perennial', '🍆', 'Eggplant', 'perennial'],
      ['🍅, Tomato, annual', '🍅', 'Tomato', 'annual'],
      ['🥔, Potato, perennial', '🥔', 'Potato', 'perennial'],
  ]
  # [END plants_all_matches]
  assert_that(actual, equal_to(plants_all_matches))


def check_matches_kv(actual):
  # [START plants_matches_kv]
  plants_matches_kv = [
      ('🍓', '🍓, Strawberry, perennial'),
      ('🥕', '🥕, Carrot, biennial'),
      ('🍆', '🍆, Eggplant, perennial'),
      ('🍅', '🍅, Tomato, annual'),
      ('🥔', '🥔, Potato, perennial'),
  ]
  # [END plants_matches_kv]
  assert_that(actual, equal_to(plants_matches_kv))


def check_find_all(actual):
  # [START plants_find_all]
  plants_find_all = [
      ['🍓, Strawberry, perennial'],
      ['🥕, Carrot, biennial'],
      ['🍆, Eggplant, perennial', '🍌, Banana, perennial'],
      ['🍅, Tomato, annual', '🍉, Watermelon, annual'],
      ['🥔, Potato, perennial'],
  ]
  # [END plants_find_all]
  assert_that(actual, equal_to(plants_find_all))


def check_find_kv(actual):
  # [START plants_find_kv]
  plants_find_all = [
      ('🍓', '🍓, Strawberry, perennial'),
      ('🥕', '🥕, Carrot, biennial'),
      ('🍆', '🍆, Eggplant, perennial'),
      ('🍌', '🍌, Banana, perennial'),
      ('🍅', '🍅, Tomato, annual'),
      ('🍉', '🍉, Watermelon, annual'),
      ('🥔', '🥔, Potato, perennial'),
  ]
  # [END plants_find_kv]
  assert_that(actual, equal_to(plants_find_all))


def check_replace_all(actual):
  # [START plants_replace_all]
  plants_replace_all = [
      '🍓,Strawberry,perennial',
      '🥕,Carrot,biennial',
      '🍆,Eggplant,perennial',
      '🍅,Tomato,annual',
      '🥔,Potato,perennial',
  ]
  # [END plants_replace_all]
  assert_that(actual, equal_to(plants_replace_all))


def check_replace_first(actual):
  # [START plants_replace_first]
  plants_replace_first = [
      '🍓: Strawberry, perennial',
      '🥕: Carrot, biennial',
      '🍆: Eggplant, perennial',
      '🍅: Tomato, annual',
      '🥔: Potato, perennial',
  ]
  # [END plants_replace_first]
  assert_that(actual, equal_to(plants_replace_first))


def check_split(actual):
  # [START plants_split]
  plants_split = [
      ['🍓', 'Strawberry', 'perennial'],
      ['🥕', 'Carrot', 'biennial'],
      ['🍆', 'Eggplant', 'perennial'],
      ['🍅', 'Tomato', 'annual'],
      ['🥔', 'Potato', 'perennial'],
  ]
  # [END plants_split]
  assert_that(actual, equal_to(plants_split))


@mock.patch('apache_beam.Pipeline', TestPipeline)
# pylint: disable=line-too-long
@mock.patch('apache_beam.examples.snippets.transforms.element_wise.regex.print', lambda elem: elem)
# pylint: enable=line-too-long
class RegexTest(unittest.TestCase):
  def test_matches(self):
    regex.regex_matches(check_matches)

  def test_all_matches(self):
    regex.regex_all_matches(check_all_matches)

  def test_matches_kv(self):
    regex.regex_matches_kv(check_matches_kv)

  def test_find(self):
    regex.regex_find(check_matches)

  def test_find_all(self):
    regex.regex_find_all(check_find_all)

  def test_find_kv(self):
    regex.regex_find_kv(check_find_kv)

  def test_replace_all(self):
    regex.regex_replace_all(check_replace_all)

  def test_replace_first(self):
    regex.regex_replace_first(check_replace_first)

  def test_split(self):
    regex.regex_split(check_split)


if __name__ == '__main__':
  unittest.main()