Add unit tests for BigQuery to SQL transfer base operator#69788
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desusaiteja wants to merge 1 commit into
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Add unit tests for BigQuery to SQL transfer base operator#69788desusaiteja wants to merge 1 commit into
desusaiteja wants to merge 1 commit into
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The bigquery_to_sql module had no dedicated test module. This adds coverage for the abstract BigQueryToSqlBaseOperator that concrete transfer operators (MySQL, Postgres, MsSQL) build on, as part of the missing provider test modules tracked in apache#35442.
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Adds a dedicated unit test module for
airflow.providers.google.cloud.transfers.bigquery_to_sql, which previously had no tests of its own — it is one of the missing provider test modules tracked in #35442.The new
providers/google/tests/unit/google/cloud/transfers/test_bigquery_to_sql.pycovers the abstractBigQueryToSqlBaseOperator(the base for the BigQuery→MySQL/Postgres/MsSQL transfer operators) through a minimal concrete subclass:dataset_tableparsing intodataset_id/table_id, including theValueErrorfor malformed valuesBigQueryHookconstruction with the operator'sgcp_conn_id,location, andimpersonation_chainexecute()fetching from BigQuery and inserting every batch into the target SQL table with the righttarget_fields,replace, andcommit_everyargumentspersist_links()being invoked with the task contextget_openlineage_facets_on_complete()returning empty lineage when the BigQuery table cannot be fetched or the SQL hook provides no database info (the happy paths are already covered by the concrete operators' tests)All 9 new tests pass locally, along with the existing bigquery_to_mysql/postgres/mssql test modules and the fast/manual prek static checks.
related: #35442
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