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import * as chai from 'chai';
import * as dirtyChai from 'dirty-chai';
import * as _ from 'lodash';
import 'mocha';
import { WebSocketOrderbookChannel } from '../src/ws_orderbook_channel';
chai.config.includeStack = true;
chai.use(dirtyChai);
const expect = chai.expect;
describe('WebSocketOrderbookChannel', () => {
const websocketUrl = 'ws://localhost:8080';
const orderbookChannel = new WebSocketOrderbookChannel(websocketUrl);
const subscriptionOpts = {
baseTokenAddress: '0x323b5d4c32345ced77393b3530b1eed0f346429d',
quoteTokenAddress: '0xef7fff64389b814a946f3e92105513705ca6b990',
snapshot: true,
limit: 100,
};
const emptyOrderbookChannelHandler = {
onSnapshot: () => {
_.noop();
},
onUpdate: () => {
_.noop();
},
onError: () => {
_.noop();
},
onClose: () => {
_.noop();
},
};
describe('#subscribe', () => {
it('throws when subscriptionOpts does not conform to schema', () => {
const badSubscribeCall = orderbookChannel.subscribe.bind(
orderbookChannel,
{},
emptyOrderbookChannelHandler,
);
expect(badSubscribeCall).throws(
'Expected subscriptionOpts to conform to schema /RelayerApiOrderbookChannelSubscribePayload\nEncountered: {}\nValidation errors: instance requires property "baseTokenAddress", instance requires property "quoteTokenAddress"',
);
});
it('throws when handler has the incorrect members', () => {
const badSubscribeCall = orderbookChannel.subscribe.bind(orderbookChannel, subscriptionOpts, {});
expect(badSubscribeCall).throws(
'Expected handler.onSnapshot to be of type function, encountered: undefined',
);
});
it('does not throw when inputs are of correct types', () => {
const goodSubscribeCall = orderbookChannel.subscribe.bind(
orderbookChannel,
subscriptionOpts,
emptyOrderbookChannelHandler,
);
expect(goodSubscribeCall).to.not.throw();
});
});
});
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