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ASF GitHub Bot logged work on BEAM-7018: ---------------------------------------- Author: ASF GitHub Bot Created on: 02/Aug/19 12:01 Start Date: 02/Aug/19 12:01 Worklog Time Spent: 10m Work Description: robertwb commented on pull request #8859: [BEAM-7018] Added Regex transform for PythonSDK URL: https://github.com/apache/beam/pull/8859#discussion_r310098725 ########## File path: sdks/python/apache_beam/transforms/util_test.py ########## @@ -618,6 +619,290 @@ def test_window_in_value(self): assert_that(reified_pc, equal_to(expected), reify_windows=True) +class RegexTest(unittest.TestCase): + + def test_find(self): + with TestPipeline() as p: + result = (p | beam.Create(["aj", "xj", "yj", "zj"]) + | util.Regex.find("[xyz]")) + assert_that(result, equal_to(["x", "y", "z"])) + + def test_find_pattern(self): + with TestPipeline() as p: + rc = re.compile("[xyz]") + result = (p | beam.Create(["aj", "xj", "yj", "zj"]) | util.Regex.find(rc)) + assert_that(result, equal_to(["x", "y", "z"])) + + def test_find_group(self): + with TestPipeline() as p: + result = (p | beam.Create(["aj", "xj", "yj", "zj"]) + | util.Regex.find("([xyz])", group=1)) + assert_that(result, equal_to(["x", "y", "z"])) + + def test_find_empty(self): + with TestPipeline() as p: + result = (p | beam.Create(["a", "b", "c", "d"]) + | util.Regex.find("[xyz]")) + assert_that(result, equal_to([])) + + def test_find_group_name(self): + with TestPipeline() as p: + result = (p | beam.Create(["aj", "xj", "yj", "zj"]) + | util.Regex.find("(?P<namedgroup>[xyz])", group="namedgroup")) + assert_that(result, equal_to(["x", "y", "z"])) + + def test_find_group_name_pattern(self): + with TestPipeline() as p: + rc = re.compile("(?P<namedgroup>[xyz])") + result = (p | beam.Create(["aj", "xj", "yj", "zj"]) | util.Regex.find( + rc, group="namedgroup")) + assert_that(result, equal_to(["x", "y", "z"])) + + def test_find_all_groups(self): + data = ["abb ax abbb", "abc abcabc"] Review comment: Throw a non-matching element in? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 287882) Time Spent: 11h 40m (was: 11.5h) > Regex transform for Python SDK > ------------------------------ > > Key: BEAM-7018 > URL: https://issues.apache.org/jira/browse/BEAM-7018 > Project: Beam > Issue Type: New Feature > Components: sdk-py-core > Reporter: Rose Nguyen > Assignee: Shehzaad Nakhoda > Priority: Minor > Time Spent: 11h 40m > Remaining Estimate: 0h > > PTransorms to use Regular Expressions to process elements in a PCollection > It should offer the same API as its Java counterpart: > [https://github.com/apache/beam/blob/11a977b8b26eff2274d706541127c19dc93131a2/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Regex.java] -- This message was sent by Atlassian JIRA (v7.6.14#76016)