60 lines
2.8 KiB
TypeScript
60 lines
2.8 KiB
TypeScript
import * as chai from 'chai';
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import * as dirtyChai from 'dirty-chai';
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import 'mocha';
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import { ordersChannelMessageParser } from '../src/utils/orders_channel_message_parser';
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import { orderResponse } from './fixtures/standard_relayer_api/order/0xabc67323774bdbd24d94f977fa9ac94a50f016026fd13f42990861238897721f';
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import { unknownOrdersChannelMessage } from './fixtures/standard_relayer_api/unknown_orders_channel_message';
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import {
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malformedUpdateOrdersChannelMessage,
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updateOrdersChannelMessage,
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} from './fixtures/standard_relayer_api/update_orders_channel_message';
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chai.config.includeStack = true;
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chai.use(dirtyChai);
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const expect = chai.expect;
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describe('ordersChannelMessageParser', () => {
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describe('#parser', () => {
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it('parses update messages', () => {
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const updateMessage = ordersChannelMessageParser.parse(updateOrdersChannelMessage);
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expect(updateMessage.type).to.be.equal('update');
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expect(updateMessage.payload).to.be.deep.equal([orderResponse]);
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});
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it('returns unknown message for messages with unsupported types', () => {
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const unknownMessage = ordersChannelMessageParser.parse(unknownOrdersChannelMessage);
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expect(unknownMessage.type).to.be.equal('unknown');
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expect(unknownMessage.payload).to.be.undefined();
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});
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it('throws when message does not include a type', () => {
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const typelessMessage = `{
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"channel": "orders",
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"requestId": "4d8efcee-adde-4475-9601-f0b30962ca2b",
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"payload": []
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}`;
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const badCall = () => ordersChannelMessageParser.parse(typelessMessage);
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expect(badCall).throws(`Message is missing a type parameter: ${typelessMessage}`);
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});
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it('throws when type is not a string', () => {
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const messageWithBadType = `{
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"type": 1,
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"channel": "orders",
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"requestId": "4d8efcee-adde-4475-9601-f0b30962ca2b",
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"payload": []
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}`;
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const badCall = () => ordersChannelMessageParser.parse(messageWithBadType);
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expect(badCall).throws('Expected type to be of type string, encountered: 1');
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});
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it('throws when update message has malformed payload', () => {
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const badCall = () => ordersChannelMessageParser.parse(malformedUpdateOrdersChannelMessage);
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expect(badCall).throws(/^Expected message to conform to schema/);
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});
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it('throws when input message is not valid JSON', () => {
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const nonJsonString = 'h93b{sdfs9fsd f';
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const badCall = () => ordersChannelMessageParser.parse(nonJsonString);
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expect(badCall).throws('Unexpected token h in JSON at position 0');
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});
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});
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});
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