delete snippet test

src/sql/magic.py

@@ -324,6 +324,8 @@ def interactive_execute_wrapper(**kwargs):
         if with_:
             command.set_sql_with(with_)
             print(f"Forming CTE from saved snippets : {', '.join(with_)}")
+        else:
+            with_ = None
 
         # Create the interactive slider
         if args.interact and not is_interactive_mode:

src/tests/test_compose.py

@@ -68,3 +68,72 @@ def test_table_name_typo(ip):
 
     assert excinfo.value.error_type == "TableNotFoundError"
     assert str(excinfo.value) == table_name_typo_err_msg.strip()
+
+
+def test_snippets_delete(ip, capsys):
+    ip.run_cell(
+        """
+    %%sql sqlite://
+    CREATE TABLE orders (order_id int, customer_id int, order_value float);
+    INSERT INTO orders VALUES (123, 15, 150.67);
+    INSERT INTO orders VALUES (124, 25, 200.66);
+    INSERT INTO orders VALUES (211, 15, 251.43);
+    INSERT INTO orders VALUES (312, 5, 333.41);
+    CREATE TABLE another_orders (order_id int, customer_id int, order_value float);
+    INSERT INTO another_orders VALUES (511,15, 150.67);
+    INSERT INTO another_orders VALUES (512, 30, 200.66);
+    CREATE TABLE customers (customer_id int, name varchar(25));
+    INSERT INTO customers VALUES (15, 'John');
+    INSERT INTO customers VALUES (25, 'Sheryl');
+    INSERT INTO customers VALUES (5, 'Mike');
+    INSERT INTO customers VALUES (30, 'Daisy');
+    """
+    )
+    ip.run_cell_magic(
+        "sql",
+        "--save orders_less",
+        "SELECT * FROM orders WHERE order_value < 250.0",
+    )
+
+    ip.run_cell_magic(
+        "sql",
+        "--save another_orders",
+        "SELECT * FROM orders WHERE order_value > 250.0",
+    )
+
+    ip.run_cell_magic(
+        "sql",
+        "--save final",
+        """
+        SELECT o.order_id, customers.name, o.order_value
+        FROM another_orders o
+        INNER JOIN customers ON o.customer_id=customers.customer_id;
+        """,
+    )
+
+    out, _ = capsys.readouterr()
+    assert "Forming CTE from saved snippets : another_orders" in out
+    result_del = ip.run_cell(
+        "%sqlcmd snippets --delete-force-all another_orders"
+    ).result
+    assert (
+        "Deleted snippets : final, another_orders. "
+        "Current saved snippets : author_sub, orders_less" == result_del
+    )
+    ip.run_cell_magic(
+        "sql",
+        "--save final",
+        """
+        SELECT o.order_id, customers.name, o.order_value
+        FROM another_orders o
+        INNER JOIN customers ON o.customer_id=customers.customer_id;
+        """,
+    )
+    result = ip.run_cell("%sqlrender final").result
+    expected = (
+        "WITH\n\n        SELECT o.order_id, customers.name, "
+        "o.order_value\n        "
+        "FROM another_orders o\n        INNER JOIN customers "
+        "ON o.customer_id=customers.customer_id"
+    )
+    assert expected in result