packages/api-derive/src/index.spec.ts
// Copyright 2017-2024 @polkadot/api-derive authors & contributors
// SPDX-License-Identifier: Apache-2.0
/// <reference types="@polkadot/dev-test/globals.d.ts" />
/* eslint-disable @typescript-eslint/no-unsafe-return */
/* eslint-disable @typescript-eslint/no-unsafe-call */
/* eslint-disable @typescript-eslint/restrict-template-expressions */
import type { ExactDerive } from './index.js';
import { from, Observable } from 'rxjs';
import { ApiRx } from '@polkadot/api';
import { MockProvider } from '@polkadot/rpc-provider/mock';
import { TypeRegistry } from '@polkadot/types/create';
const testFunction = (api: ApiRx): any => {
return <S extends keyof ExactDerive, M extends keyof (typeof api.derive[S])>(section: S, method: M, inputs: any[]): void => {
describe(`derive.${section}.${method as string}`, (): void => {
it('should be a function', (): void => {
expect(typeof api.derive[section][method]).toBe('function');
});
it('should return an Observable', (): void => {
expect((api.derive[section][method] as any)(...inputs)).toBeInstanceOf(Observable);
});
});
};
};
function waitReady (api: ApiRx): Promise<ApiRx> {
return new Promise<ApiRx>((resolve) =>
api.isReady.subscribe((api) => resolve(api))
);
}
describe('derive', (): void => {
const registry = new TypeRegistry();
describe('builtin', (): void => {
const api = new ApiRx({ provider: new MockProvider(registry), registry });
beforeAll(async () => {
await waitReady(api);
});
afterAll(() => api.disconnect());
testFunction(api)('accounts', 'idAndIndex', []);
testFunction(api)('accounts', 'idToIndex', []);
testFunction(api)('accounts', 'indexes', []);
testFunction(api)('accounts', 'indexToId', []);
testFunction(api)('balances', 'all', []);
testFunction(api)('balances', 'votingBalance', []);
testFunction(api)('balances', 'votingBalances', []);
testFunction(api)('chain', 'bestNumber', []);
testFunction(api)('chain', 'bestNumberFinalized', []);
testFunction(api)('democracy', 'proposals', []);
testFunction(api)('democracy', 'referendums', []);
testFunction(api)('elections', 'info', []);
testFunction(api)('session', 'eraLength', []);
testFunction(api)('session', 'eraProgress', []);
testFunction(api)('session', 'sessionProgress', []);
testFunction(api)('staking', 'account', []);
testFunction(api)('staking', 'stashes', []);
});
describe('custom', (): void => {
const api = new ApiRx({
derives: {
balances: {
fees: (): any => (): Observable<any> => from(['a', 'b'])
},
custom: {
test: (): any => (): Observable<any> => from([1, 2, 3])
}
},
provider: new MockProvider(registry),
registry,
throwOnConnect: true
});
beforeAll(async () => {
await waitReady(api);
});
afterAll(() => api.disconnect());
// override
testFunction(api)('balances', 'fees', ['a', 'b']);
// new
testFunction(api)('custom', 'test', [1, 2, 3]);
// existing
testFunction(api)('chain', 'bestNumber', []);
});
});