feat(SIP-95): permissions for catalogs (#28317)

tests/unit_tests/db_engine_specs/test_postgres.py

@@ -175,3 +175,33 @@ SELECT * FROM some_table;
         str(excinfo.value)
         == "Users are not allowed to set a search path for security reasons."
     )
+
+
+def test_adjust_engine_params() -> None:
+    """
+    Test `adjust_engine_params`.
+
+    The method can be used to adjust the catalog (database) dynamically.
+    """
+    from superset.db_engine_specs.postgres import PostgresEngineSpec
+
+    adjusted = PostgresEngineSpec.adjust_engine_params(
+        make_url("postgresql://user:password@host:5432/dev"),
+        {},
+        catalog="prod",
+    )
+    assert adjusted == (make_url("postgresql://user:password@host:5432/prod"), {})
+
+
+def test_get_default_catalog() -> None:
+    """
+    Test `get_default_catalog`.
+    """
+    from superset.db_engine_specs.postgres import PostgresEngineSpec
+    from superset.models.core import Database
+
+    database = Database(
+        database_name="postgres",
+        sqlalchemy_uri="postgresql://user:password@host:5432/dev",
+    )
+    assert PostgresEngineSpec.get_default_catalog(database) == "dev"