datahub/metadata-ingestion/tests/unit/sql_parsing/test_schemaresolver.py

from datahub.sql_parsing.schema_resolver import SchemaResolver, _TableName


def test_get_urn_for_table_lowercase():
    schema_resolver = SchemaResolver(
        platform="mssql",
        platform_instance="Uppercased-Instance",
        env="PROD",
        graph=None,
    )

    table = _TableName(database="Database", db_schema="DataSet", table="Table")

    assert (
        schema_resolver.get_urn_for_table(table=table, lower=True)
        == "urn:li:dataset:(urn:li:dataPlatform:mssql,uppercased-instance.database.dataset.table,PROD)"
    )


def test_get_urn_for_table_not_lower_should_keep_capital_letters():
    schema_resolver = SchemaResolver(
        platform="mssql",
        platform_instance="Uppercased-Instance",
        env="PROD",
        graph=None,
    )

    table = _TableName(database="Database", db_schema="DataSet", table="Table")

    assert (
        schema_resolver.get_urn_for_table(table=table, lower=False)
        == "urn:li:dataset:(urn:li:dataPlatform:mssql,Uppercased-Instance.Database.DataSet.Table,PROD)"
    )
    assert schema_resolver.schema_count() == 0