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import * as chai from 'chai';
import * as dirtyChai from 'dirty-chai';
import * as _ from 'lodash';
import 'mocha';
import * as Sinon from 'sinon';
import * as WebSocket from 'websocket';
import { WebSocketOrderbookChannel } from '../src/ws_orderbook_channel';
chai.config.includeStack = true;
chai.use(dirtyChai);
const expect = chai.expect;
const emptyOrderbookChannelHandler = {
onSnapshot: () => {
_.noop();
},
onUpdate: () => {
_.noop();
},
onError: () => {
_.noop();
},
onClose: () => {
_.noop();
},
};
describe('WebSocketOrderbookChannel', () => {
const websocketUrl = 'ws://localhost:8080';
const openClient = new WebSocket.w3cwebsocket(websocketUrl);
Sinon.stub(openClient, 'readyState').get(() => WebSocket.w3cwebsocket.OPEN);
Sinon.stub(openClient, 'send').callsFake(_.noop.bind(_));
const openOrderbookChannel = new WebSocketOrderbookChannel(openClient, emptyOrderbookChannelHandler);
const subscriptionOpts = {
baseTokenAddress: '0x323b5d4c32345ced77393b3530b1eed0f346429d',
quoteTokenAddress: '0xef7fff64389b814a946f3e92105513705ca6b990',
snapshot: true,
limit: 100,
};
describe('#subscribe', () => {
it('throws when subscriptionOpts does not conform to schema', () => {
const badSubscribeCall = openOrderbookChannel.subscribe.bind(openOrderbookChannel, {});
expect(badSubscribeCall).throws(
'Expected subscriptionOpts to conform to schema /RelayerApiOrderbookChannelSubscribePayload\nEncountered: {}\nValidation errors: instance requires property "baseTokenAddress", instance requires property "quoteTokenAddress"',
);
});
it('does not throw when inputs are of correct types', () => {
const goodSubscribeCall = openOrderbookChannel.subscribe.bind(openOrderbookChannel, subscriptionOpts);
expect(goodSubscribeCall).to.not.throw();
});
it('throws when client is closed', () => {
const closedClient = new WebSocket.w3cwebsocket(websocketUrl);
Sinon.stub(closedClient, 'readyState').get(() => WebSocket.w3cwebsocket.CLOSED);
const closedOrderbookChannel = new WebSocketOrderbookChannel(closedClient, emptyOrderbookChannelHandler);
const badSubscribeCall = closedOrderbookChannel.subscribe.bind(closedOrderbookChannel, subscriptionOpts);
expect(badSubscribeCall).throws('WebSocket connection is closed');
});
});
});
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