Macros to use path instead of ident (#1474)

substrate/frame/support/test/stg_frame_crate/src/lib.rs

@@ -0,0 +1,75 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// ! A basic pallet to test it compiles along with a runtime using it when `frame_system` and
+// `frame_support` are reexported by a `frame` crate.
+
+use frame::deps::{frame_support, frame_system};
+
+#[frame_support::pallet]
+pub mod pallet {
+	use super::*;
+	use frame_support::pallet_prelude::*;
+
+	#[pallet::pallet]
+	pub struct Pallet<T>(_);
+
+	#[pallet::config]
+	// The only valid syntax here is the following or
+	// ```
+	// pub trait Config: frame::deps::frame_system::Config {}
+	// ```
+	pub trait Config: frame_system::Config {}
+
+	#[pallet::genesis_config]
+	#[derive(frame_support::DefaultNoBound)]
+	pub struct GenesisConfig<T: Config> {
+		#[serde(skip)]
+		_config: core::marker::PhantomData<T>,
+	}
+
+	#[pallet::genesis_build]
+	impl<T: Config> BuildGenesisConfig for GenesisConfig<T> {
+		fn build(&self) {}
+	}
+}
+
+#[cfg(test)]
+// Dummy test to make sure a runtime would compile.
+mod tests {
+	use super::{
+		frame_support::{construct_runtime, derive_impl},
+		frame_system, pallet,
+	};
+
+	type Block = frame_system::mocking::MockBlock<Runtime>;
+
+	impl crate::pallet::Config for Runtime {}
+
+	#[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
+	impl frame_system::Config for Runtime {
+		type Block = Block;
+	}
+
+	construct_runtime! {
+		pub struct Runtime
+		{
+			System: frame_system::{Pallet, Call, Storage, Config<T>, Event<T>},
+			Pallet: pallet::{Pallet, Config<T>},
+		}
+	}
+}