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from pyflink.testing.test_case_utils import PythonAPICompletenessTestCase, PyFlinkTestCase
from pyflink.table import expressions


class ExpressionsCompletenessTests(PythonAPICompletenessTestCase, PyFlinkTestCase):
    """
    Tests whether the Python :module:`pyflink.table.expressions` is consistent with
    Java `org.apache.flink.table.api.Expressions`.
    """
    @classmethod
    def python_class(cls):
        return expressions

    @classmethod
    def java_class(cls):
        return "org.apache.flink.table.api.Expressions"

    @classmethod
    def java_method_name(cls, python_method_name):
        return {'and_': 'and',
                'or_': 'or',
                'range_': 'range',
                'col': '$',
                'map_': 'map'}.get(python_method_name, python_method_name)


if __name__ == '__main__':
    import unittest

    try:
        import xmlrunner
        testRunner = xmlrunner.XMLTestRunner(output='target/test-reports')
    except ImportError:
        testRunner = None
    unittest.main(testRunner=testRunner, verbosity=2)