andyjianzhou commented on code in PR #40254:
URL: https://github.com/apache/airflow/pull/40254#discussion_r1684863244
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tests/models/test_xcom_arg_map.py:
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@@ -188,6 +191,44 @@ def does_not_work_with_c(v):
]
+def test_task_map_from_task_instance_xcom():
Review Comment:
I believe that when a task pushes data to XCom, this data can be pulled by
another task to dynamically configure the number of task instances to be
generated. I believe that the `TaskMap` class leverages this and creates
mappings based on the data retireved from XComs, as you can see in the method
used `from_task_instance_xcom`, which is used to create a new TaskMap instance
from XCom data.
This unittest is essentially verifying the functionality of
`from_task_instance_xcom()`, ensuring that it correctly creates a `TaskMap`
object from the given `Task_instance` data
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