base for testing new pallets

pallets/template/src/mock.rs

@@ -0,0 +1,58 @@
+use frame_support::{parameter_types, traits::Everything};
+use frame_system as system;
+use sp_core::H256;
+use sp_runtime::{
+	traits::{BlakeTwo256, IdentityLookup},
+	BuildStorage,
+};
+
+type Block = frame_system::mocking::MockBlock<Test>;
+
+// Configure a mock runtime to test the pallet.
+frame_support::construct_runtime!(
+	pub enum Test
+	{
+		System: frame_system::{Pallet, Call, Config<T>, Storage, Event<T>},
+		TemplateModule: crate::{Pallet, Call, Storage, Event<T>},
+	}
+);
+
+parameter_types! {
+	pub const BlockHashCount: u64 = 250;
+	pub const SS58Prefix: u8 = 42;
+}
+
+impl system::Config for Test {
+	type BaseCallFilter = Everything;
+	type BlockWeights = ();
+	type BlockLength = ();
+	type DbWeight = ();
+	type RuntimeOrigin = RuntimeOrigin;
+	type RuntimeCall = RuntimeCall;
+	type Nonce = u64;
+	type Hash = H256;
+	type Hashing = BlakeTwo256;
+	type AccountId = u64;
+	type Lookup = IdentityLookup<Self::AccountId>;
+	type Block = Block;
+	type RuntimeEvent = RuntimeEvent;
+	type BlockHashCount = BlockHashCount;
+	type Version = ();
+	type PalletInfo = PalletInfo;
+	type AccountData = ();
+	type OnNewAccount = ();
+	type OnKilledAccount = ();
+	type SystemWeightInfo = ();
+	type SS58Prefix = SS58Prefix;
+	type OnSetCode = ();
+	type MaxConsumers = frame_support::traits::ConstU32<16>;
+}
+
+impl crate::Config for Test {
+	type RuntimeEvent = RuntimeEvent;
+}
+
+// Build genesis storage according to the mock runtime.
+pub fn new_test_ext() -> sp_io::TestExternalities {
+	system::GenesisConfig::<Test>::default().build_storage().unwrap().into()
+}