phanikumv commented on code in PR #66030:
URL: https://github.com/apache/airflow/pull/66030#discussion_r3350073188
##########
airflow-core/tests/unit/serialization/test_serialized_objects.py:
##########
@@ -1105,6 +1105,72 @@ def test_decode_product_mapper():
assert core_pm.to_downstream("2024-06-15T10:30:00|2024-06-15T10:30:00") ==
"2024-06-15T10|2024-06-15"
+def test_encode_fan_out_mapper():
+ from airflow.sdk import FanOutMapper, StartOfDayMapper, StartOfWeekMapper,
WeekWindow
+ from airflow.serialization.encoders import encode_partition_mapper
+
+ partition_mapper = FanOutMapper(
+ upstream_mapper=StartOfWeekMapper(),
+ window=WeekWindow(),
+ downstream_mapper=StartOfDayMapper(),
+ )
+ assert encode_partition_mapper(partition_mapper) == {
+ Encoding.TYPE: "airflow.partition_mappers.temporal.FanOutMapper",
+ Encoding.VAR: {
+ "upstream_mapper": {
+ Encoding.TYPE:
"airflow.partition_mappers.temporal.StartOfWeekMapper",
+ Encoding.VAR: {
Review Comment:
This is actually causing the Serialization CI jobs to fail.
When a temporal mapper is serialized it always writes a `timezone` field
too.This expected dict only lists `input_format` and `output_format`, so the
real output has one extra key and the `assert ... ==` fails.
Add the `timezone` key to both nested mappers (it's already present in
`test_encode_timezone`, e.g. lines 939/951):
```suggestion
"upstream_mapper": {
Encoding.TYPE:
"airflow.partition_mappers.temporal.StartOfWeekMapper",
Encoding.VAR: {
"timezone": "UTC",
"input_format": "%Y-%m-%dT%H:%M:%S",
"output_format": "%Y-%m-%d (W%V)",
},
},
```
The `downstream_mapper` block just below needs the same `"timezone":
"UTC",` line added to its `Encoding.VAR`.
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