github.com/apache/beam/sdks/v2@v2.48.2/python/apache_beam/io/gcp/bigquery_io_metadata_test.py (about)

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     3  # contributor license agreements.  See the NOTICE file distributed with
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     5  # The ASF licenses this file to You under the Apache License, Version 2.0
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    12  # distributed under the License is distributed on an "AS IS" BASIS,
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    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  #
    17  
    18  """Tests for bigquery_io_metadata."""
    19  
    20  # pytype: skip-file
    21  
    22  import logging
    23  import unittest
    24  
    25  from apache_beam.io.gcp import bigquery_io_metadata
    26  
    27  
    28  class BigqueryIoMetadataTest(unittest.TestCase):
    29    def test_is_valid_cloud_label_value(self):
    30      # A dataflow job ID.
    31      # Lowercase letters, numbers, underscores and hyphens are allowed.
    32      test_str = '2020-06-29_15_26_09-12838749047888422749'
    33      self.assertTrue(bigquery_io_metadata._is_valid_cloud_label_value(test_str))
    34  
    35      # At least one character.
    36      test_str = '0'
    37      self.assertTrue(bigquery_io_metadata._is_valid_cloud_label_value(test_str))
    38  
    39      # Up to 63 characters.
    40      test_str = '0123456789abcdefghij0123456789abcdefghij0123456789abcdefghij012'
    41      self.assertTrue(bigquery_io_metadata._is_valid_cloud_label_value(test_str))
    42  
    43      # Lowercase letters allowed
    44      test_str = 'abcdefghijklmnopqrstuvwxyz'
    45      for test_char in test_str:
    46        self.assertTrue(
    47            bigquery_io_metadata._is_valid_cloud_label_value(test_char))
    48  
    49      # Empty strings not allowed.
    50      test_str = ''
    51      self.assertFalse(bigquery_io_metadata._is_valid_cloud_label_value(test_str))
    52  
    53      # 64 or more characters not allowed.
    54      test_str = (
    55          '0123456789abcdefghij0123456789abcdefghij0123456789abcdefghij0123')
    56      self.assertFalse(bigquery_io_metadata._is_valid_cloud_label_value(test_str))
    57  
    58      # Uppercase letters not allowed
    59      test_str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
    60      for test_char in test_str:
    61        self.assertFalse(
    62            bigquery_io_metadata._is_valid_cloud_label_value(test_char))
    63  
    64      # Special characters besides hyphens are not allowed
    65      test_str = '!@#$%^&*()+=[{]};:\'\"\\|,<.>?/`~'
    66      for test_char in test_str:
    67        self.assertFalse(
    68            bigquery_io_metadata._is_valid_cloud_label_value(test_char))
    69  
    70  
    71  if __name__ == '__main__':
    72    logging.getLogger().setLevel(logging.INFO)
    73    unittest.main()