kevinjqliu opened a new pull request, #952:
URL: https://github.com/apache/iceberg-python/pull/952
While looking at #864 and #950, I noticed that some TableUpdate classes do
not have corresponding `_apply_table_update` function.
I think we should enforce this in tests so that any future TableUpdate have
the necessary `_apply_table_update` to process the update.
### Example
This test currently fails since `RemoveSnapshotRefUpdate` and
`RemoveSnapshotsUpdate` both are missing corresponding `_apply_table_update`
function.
Run:
`poetry run pytest
tests/table/test_init.py::test_table_update_have_corresponding_dispatch`
```
================================================================== FAILURES
==================================================================
_______________________________________________
test_table_update_have_corresponding_dispatch
________________________________________________
def test_table_update_have_corresponding_dispatch() -> None:
from pyiceberg.table import TableUpdate, _apply_table_update
# every TableUpdate class should have corresponding
`_apply_table_update` dispatch function
table_update_class = set(TableUpdate.__origin__.__args__) # type:
ignore
dispatch_function_class = set(_apply_table_update.registry.keys())
missing_dispatch_function = table_update_class -
dispatch_function_class
> assert len(missing_dispatch_function) == 0, f"Missing dispatch
function for {missing_dispatch_function}"
E AssertionError: Missing dispatch function for {<class
'pyiceberg.table.RemoveSnapshotRefUpdate'>, <class
'pyiceberg.table.RemoveSnapshotsUpdate'>}
E assert 2 == 0
E + where 2 = len({<class
'pyiceberg.table.RemoveSnapshotRefUpdate'>, <class
'pyiceberg.table.RemoveSnapshotsUpdate'>})
tests/table/test_init.py:1166: AssertionError
========================================================== short test
summary info ===========================================================
FAILED
tests/table/test_init.py::test_table_update_have_corresponding_dispatch -
AssertionError: Missing dispatch function for {<class
'pyiceberg.table.RemoveSnapshotRefUpdate'>, <class
'pyiceberg.table.RemoveSnapshots...
```
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