Add connect to monorepo

packages/connect/test/orderbook_channel_message_parsers_test.ts

@@ -0,0 +1,66 @@
+import 'mocha';
+import * as dirtyChai from 'dirty-chai';
+import * as chai from 'chai';
+import {orderbookChannelMessageParsers} from '../src/utils/orderbook_channel_message_parsers';
+import {
+    snapshotOrderbookChannelMessage,
+    malformedSnapshotOrderbookChannelMessage,
+} from './fixtures/standard_relayer_api/snapshot_orderbook_channel_message';
+import {
+    updateOrderbookChannelMessage,
+    malformedUpdateOrderbookChannelMessage,
+} from './fixtures/standard_relayer_api/update_orderbook_channel_message';
+import {unknownOrderbookChannelMessage} from './fixtures/standard_relayer_api/unknown_orderbook_channel_message';
+import {orderbookResponse} from './fixtures/standard_relayer_api/orderbook';
+// tslint:disable-next-line:max-line-length
+import {orderResponse} from './fixtures/standard_relayer_api/order/0xabc67323774bdbd24d94f977fa9ac94a50f016026fd13f42990861238897721f';
+
+chai.config.includeStack = true;
+chai.use(dirtyChai);
+const expect = chai.expect;
+
+describe('orderbookChannelMessageParsers', () => {
+    describe('#parser', () => {
+        it('parses snapshot messages', () => {
+            const snapshotMessage = orderbookChannelMessageParsers.parser(snapshotOrderbookChannelMessage);
+            expect(snapshotMessage.type).to.be.equal('snapshot');
+            expect(snapshotMessage.payload).to.be.deep.equal(orderbookResponse);
+        });
+        it('parses update messages', () => {
+            const updateMessage = orderbookChannelMessageParsers.parser(updateOrderbookChannelMessage);
+            expect(updateMessage.type).to.be.equal('update');
+            expect(updateMessage.payload).to.be.deep.equal(orderResponse);
+        });
+        it('returns unknown message for messages with unsupported types', () => {
+            const unknownMessage = orderbookChannelMessageParsers.parser(unknownOrderbookChannelMessage);
+            expect(unknownMessage.type).to.be.equal('unknown');
+            expect(unknownMessage.payload).to.be.undefined();
+        });
+        it('throws when message does not include a type', () => {
+            const typelessMessage = `{
+                "channel": "orderbook",
+                "channelId": 1,
+                "payload": {}
+            }`;
+            const badCall = () => orderbookChannelMessageParsers.parser(typelessMessage);
+            expect(badCall).throws(`Message is missing a type parameter: ${typelessMessage}`);
+        });
+        it('throws when snapshot message has malformed payload', () => {
+            const badCall = () =>
+                orderbookChannelMessageParsers.parser(malformedSnapshotOrderbookChannelMessage);
+            // tslint:disable-next-line:max-line-length
+            const errMsg = 'Validation errors: instance.payload requires property "bids", instance.payload requires property "asks"';
+            expect(badCall).throws(errMsg);
+        });
+        it('throws when update message has malformed payload', () => {
+            const badCall = () =>
+                orderbookChannelMessageParsers.parser(malformedUpdateOrderbookChannelMessage);
+            expect(badCall).throws(/^Expected message to conform to schema/);
+        });
+        it('throws when input message is not valid JSON', () => {
+            const nonJsonString = 'h93b{sdfs9fsd f';
+            const badCall = () => orderbookChannelMessageParsers.parser(nonJsonString);
+            expect(badCall).throws('Unexpected token h in JSON at position 0');
+        });
+    });
+});