hequn8128 commented on a change in pull request #9991: [FLINK-14478][python]
optimize current python test cases to reduce test time.
URL: https://github.com/apache/flink/pull/9991#discussion_r338954219
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File path: flink-python/pyflink/table/tests/test_udf.py
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@@ -248,6 +248,25 @@ def test_open(self):
actual = source_sink_utils.results()
self.assert_equals(actual, ["1,1", "2,4", "3,3"])
+ def test_udf_without_arguments(self):
+ self.t_env.register_function("one", udf(
+ lambda: 1, input_types=[], result_type=DataTypes.BIGINT(),
deterministic=True))
+ self.t_env.register_function("two", udf(
+ lambda: 2, input_types=[], result_type=DataTypes.BIGINT(),
deterministic=False))
+
+ table_sink = source_sink_utils.TestAppendSink(['a', 'b'],
+ [DataTypes.BIGINT(),
DataTypes.BIGINT()])
+ self.t_env.register_table_sink("Results", table_sink)
+
+ t = self.t_env.from_elements([(1, 2), (2, 5), (3, 1)], ['a', 'b'])
+ t.select("one(), two()").insert_into("Results")
+ self.t_env.execute("test")
+ actual = source_sink_utils.results()
+ self.assert_equals(actual, ["1,2", "1,2", "1,2"])
+
+
+class PyFlinkStreamUserDefinedFunctionTests(UserDefinedFunctionTests,
Review comment:
Maybe it's better to move these tests into
`PyFlinkBlinkStreamUserDefinedFunctionTests`, the flink planner would be
deprecated in the futhre.
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