feat: force set migrator benchmark

pallets/migration/src/benchmarking.rs

@@ -0,0 +1,28 @@
+#![cfg(feature = "runtime-benchmarks")]
+use super::*;
+use crate::Pallet as Migration;
+use frame_benchmarking::v2::*;
+use frame_support::{
+	assert_ok,
+	dispatch::RawOrigin,
+};
+
+const SEED: u32 = 0;
+
+fn assert_last_event<T: Config>(generic_event: <T as Config>::RuntimeEvent) {
+	frame_system::Pallet::<T>::assert_last_event(generic_event.into());
+}
+#[benchmarks()]
+pub mod benchmarks {
+	use super::*;
+
+	#[benchmark]
+	fn force_set_migrator() {
+		let migrator: T::AccountId = account("migrator", 0, SEED);
+
+		#[extrinsic_call]
+		_(RawOrigin::Root, migrator.clone());
+
+		assert_last_event::<T>(Event::MigratorUpdated(migrator).into());
+	}
+}

pallets/migration/src/lib.rs

@@ -4,6 +4,9 @@ mod mock;
 #[cfg(test)]
 mod tests;
 
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;
+
 pub use pallet::*;
 
 #[frame_support::pallet]