pallet-indices 24.0.0

FRAME indices management pallet
Documentation 
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// 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.

//! Tests for the module.

#![cfg(test)]

use super::{mock::*, *};
use frame_support::{assert_noop, assert_ok};
use pallet_balances::Error as BalancesError;
use sp_runtime::MultiAddress::Id;

#[test]
fn claiming_should_work() {
	new_test_ext().execute_with(|| {
		assert_noop!(
			Indices::claim(Some(0).into(), 0),
			BalancesError::<Test, _>::InsufficientBalance
		);
		assert_ok!(Indices::claim(Some(1).into(), 0));
		assert_noop!(Indices::claim(Some(2).into(), 0), Error::<Test>::InUse);
		assert_eq!(Balances::reserved_balance(1), 1);
	});
}

#[test]
fn freeing_should_work() {
	new_test_ext().execute_with(|| {
		assert_ok!(Indices::claim(Some(1).into(), 0));
		assert_ok!(Indices::claim(Some(2).into(), 1));
		assert_noop!(Indices::free(Some(0).into(), 0), Error::<Test>::NotOwner);
		assert_noop!(Indices::free(Some(1).into(), 1), Error::<Test>::NotOwner);
		assert_noop!(Indices::free(Some(1).into(), 2), Error::<Test>::NotAssigned);
		assert_ok!(Indices::free(Some(1).into(), 0));
		assert_eq!(Balances::reserved_balance(1), 0);
		assert_noop!(Indices::free(Some(1).into(), 0), Error::<Test>::NotAssigned);
	});
}

#[test]
fn freezing_should_work() {
	new_test_ext().execute_with(|| {
		assert_ok!(Indices::claim(Some(1).into(), 0));
		assert_noop!(Indices::freeze(Some(1).into(), 1), Error::<Test>::NotAssigned);
		assert_noop!(Indices::freeze(Some(2).into(), 0), Error::<Test>::NotOwner);
		assert_ok!(Indices::freeze(Some(1).into(), 0));
		assert_noop!(Indices::freeze(Some(1).into(), 0), Error::<Test>::Permanent);

		assert_noop!(Indices::free(Some(1).into(), 0), Error::<Test>::Permanent);
		assert_noop!(Indices::transfer(Some(1).into(), Id(2), 0), Error::<Test>::Permanent);
	});
}

#[test]
fn indexing_lookup_should_work() {
	new_test_ext().execute_with(|| {
		assert_ok!(Indices::claim(Some(1).into(), 0));
		assert_ok!(Indices::claim(Some(2).into(), 1));
		assert_eq!(Indices::lookup_index(0), Some(1));
		assert_eq!(Indices::lookup_index(1), Some(2));
		assert_eq!(Indices::lookup_index(2), None);
	});
}

#[test]
fn reclaim_index_on_accounts_should_work() {
	new_test_ext().execute_with(|| {
		assert_ok!(Indices::claim(Some(1).into(), 0));
		assert_ok!(Indices::free(Some(1).into(), 0));
		assert_ok!(Indices::claim(Some(2).into(), 0));
		assert_eq!(Indices::lookup_index(0), Some(2));
		assert_eq!(Balances::reserved_balance(2), 1);
	});
}

#[test]
fn transfer_index_on_accounts_should_work() {
	new_test_ext().execute_with(|| {
		assert_ok!(Indices::claim(Some(1).into(), 0));
		assert_noop!(Indices::transfer(Some(1).into(), Id(2), 1), Error::<Test>::NotAssigned);
		assert_noop!(Indices::transfer(Some(2).into(), Id(3), 0), Error::<Test>::NotOwner);
		assert_ok!(Indices::transfer(Some(1).into(), Id(3), 0));
		assert_eq!(Balances::reserved_balance(1), 0);
		assert_eq!(Balances::reserved_balance(3), 1);
		assert_eq!(Indices::lookup_index(0), Some(3));
	});
}

#[test]
fn force_transfer_index_on_preowned_should_work() {
	new_test_ext().execute_with(|| {
		assert_ok!(Indices::claim(Some(1).into(), 0));
		assert_ok!(Indices::force_transfer(RuntimeOrigin::root(), Id(3), 0, false));
		assert_eq!(Balances::reserved_balance(1), 0);
		assert_eq!(Balances::reserved_balance(3), 0);
		assert_eq!(Indices::lookup_index(0), Some(3));
	});
}

#[test]
fn force_transfer_index_on_free_should_work() {
	new_test_ext().execute_with(|| {
		assert_ok!(Indices::force_transfer(RuntimeOrigin::root(), Id(3), 0, false));
		assert_eq!(Balances::reserved_balance(3), 0);
		assert_eq!(Indices::lookup_index(0), Some(3));
	});
}