Add initial integrations tests for futures

lib/tests/future.rs

@@ -0,0 +1,35 @@
+mod parse;
+use parse::Parse;
+use surrealdb::sql::Value;
+use surrealdb::Datastore;
+use surrealdb::Error;
+use surrealdb::Session;
+
+#[tokio::test]
+async fn future_function_simple() -> Result<(), Error> {
+	let sql = "
+		UPDATE person:test SET can_drive = <future> { birthday && time::now() > birthday + 18y };
+		UPDATE person:test SET birthday = '2007-06-22';
+		UPDATE person:test SET birthday = '2001-06-22';
+	";
+	let dbs = Datastore::new("memory").await?;
+	let ses = Session::for_kv().with_ns("test").with_db("test");
+	let res = &mut dbs.execute(&sql, &ses, None, false).await?;
+	assert_eq!(res.len(), 3);
+	//
+	let tmp = res.remove(0).result?;
+	let val = Value::parse("[{ id: person:test, can_drive: NONE }]");
+	assert_eq!(tmp, val);
+	//
+	let tmp = res.remove(0).result?;
+	let val =
+		Value::parse("[{ id: person:test, birthday: '2007-06-22T00:00:00Z', can_drive: false }]");
+	assert_eq!(tmp, val);
+	//
+	let tmp = res.remove(0).result?;
+	let val =
+		Value::parse("[{ id: person:test, birthday: '2001-06-22T00:00:00Z', can_drive: true }]");
+	assert_eq!(tmp, val);
+	//
+	Ok(())
+}