Update orderbook channel and factory tests

packages/connect/test/orderbook_channel_factory_test.ts

@@ -9,18 +9,38 @@ import { orderbookChannelFactory } from '../src/orderbook_channel_factory';
 chai.config.includeStack = true;
 chai.use(dirtyChai);
 const expect = chai.expect;
+const emptyOrderbookChannelHandler = {
+    onSnapshot: () => {
+        _.noop();
+    },
+    onUpdate: () => {
+        _.noop();
+    },
+    onError: () => {
+        _.noop();
+    },
+    onClose: () => {
+        _.noop();
+    },
+};
 
 describe('orderbookChannelFactory', () => {
     const websocketUrl = 'ws://localhost:8080';
-
     describe('#createWebSocketOrderbookChannelAsync', () => {
         it('throws when input is not a url', () => {
-            const badInput = 54;
-            const badSubscribeCall = orderbookChannelFactory.createWebSocketOrderbookChannelAsync.bind(
-                orderbookChannelFactory,
-                badInput,
-            );
-            expect(orderbookChannelFactory.createWebSocketOrderbookChannelAsync(badInput as any)).to.be.rejected();
+            const badUrlInput = 54;
+            expect(
+                orderbookChannelFactory.createWebSocketOrderbookChannelAsync(
+                    badUrlInput as any,
+                    emptyOrderbookChannelHandler,
+                ),
+            ).to.be.rejected();
+        });
+        it('throws when handler has the incorrect members', () => {
+            const badHandlerInput = {};
+            expect(
+                orderbookChannelFactory.createWebSocketOrderbookChannelAsync(websocketUrl, badHandlerInput as any),
+            ).to.be.rejected();
         });
     });
 });