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Add test to ensure every table update has corresponding _apply_table_update function #952

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Add test to ensure every table update has corresponding _apply_table_update function #952

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87b2ae0
add test
kevinjqliu Jul 21, 2024
3ab06e2
better error msg
kevinjqliu Jul 21, 2024
c5bcea7
add placeholder
kevinjqliu Nov 3, 2024
f38c888
Merge branch 'main' into kevinjqliu/enforce-table-update-dispatch
kevinjqliu Feb 19, 2025
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10 changes: 10 additions & 0 deletions tests/table/test_init.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1378,3 +1378,13 @@ def test_remove_statistics_update(table_v2_with_statistics: Table) -> None:
table_v2_with_statistics.metadata,
(RemoveStatisticsUpdate(snapshot_id=123456789),),
)


def test_all_table_updates_have_dispatch() -> None:
# ensures that every TableUpdate subclass has a corresponding `_apply_table_update` dispatch function.
from pyiceberg.table.update import TableUpdate, _apply_table_update

table_update_classes = set(TableUpdate.__origin__.__args__) # type: ignore
dispatch_classes = set(_apply_table_update.registry.keys())
missing_dispatch = table_update_classes - dispatch_classes
assert not missing_dispatch, f"Missing dispatch function for: {missing_dispatch}"