viirya commented on code in PR #53448:
URL: https://github.com/apache/spark/pull/53448#discussion_r2631929256
##########
python/pyspark/sql/tests/streaming/test_streaming.py:
##########
@@ -147,6 +147,28 @@ def test_stream_trigger(self):
except TypeError:
pass
+ def test_stream_real_time_trigger(self):
+ df =
self.spark.readStream.format("text").load("python/test_support/sql/streaming")
+ tmpPath = tempfile.mkdtemp()
+ shutil.rmtree(tmpPath)
+ self.assertTrue(df.isStreaming)
+ out = os.path.join(tmpPath, "out")
+ chk = os.path.join(tmpPath, "chk")
+ try:
+ q = (
+ df.writeStream.format("console")
+ .trigger(realTime="5 seconds")
+ .option("checkpointLocation", chk)
+ .outputMode("update")
+ .start(out)
+ )
+ q.processAllAvailable()
+ except Exception as e:
+ # This error is expected
+ self._assert_exception_tree_contains_msg(
+ e, "STREAMING_REAL_TIME_MODE.INPUT_STREAM_NOT_SUPPORTED"
Review Comment:
If this input stream is not supported by real time mode, can we possibly
test supported source in Python test?
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