1 files changed, 49 insertions, 0 deletions
diff --git a/packages/connect/test/ws_orders_channel_test.ts b/packages/connect/test/ws_orders_channel_test.ts
new file mode 100644
index 000000000..df30bc41d
--- /dev/null
+++ b/packages/connect/test/ws_orders_channel_test.ts
@@ -0,0 +1,49 @@
+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 { WebSocketOrdersChannel } from '../src/ws_orders_channel';
+
+chai.config.includeStack = true;
+chai.use(dirtyChai);
+const expect = chai.expect;
+const emptyOrdersChannelHandler = {
+    onUpdate: _.noop.bind(_),
+    onError: _.noop.bind(_),
+    onClose: _.noop.bind(_),
+};
+
+describe('WebSocketOrdersChannel', () => {
+    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 openOrdersChannel = new WebSocketOrdersChannel(openClient, emptyOrdersChannelHandler);
+    const subscriptionOpts = {
+        baseAssetData: '0x323b5d4c32345ced77393b3530b1eed0f346429d',
+        quoteAssetData: '0xef7fff64389b814a946f3e92105513705ca6b990',
+        limit: 100,
+    };
+    describe('#subscribe', () => {
+        it('throws when subscriptionOpts does not conform to schema', () => {
+            const badSubscribeCall = openOrdersChannel.subscribe.bind(openOrdersChannel, {
+                makerAssetData: 5,
+            });
+            expect(badSubscribeCall).throws();
+        });
+        it('does not throw when inputs are of correct types', () => {
+            const goodSubscribeCall = openOrdersChannel.subscribe.bind(openOrdersChannel, 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 closedOrdersChannel = new WebSocketOrdersChannel(closedClient, emptyOrdersChannelHandler);
+            const badSubscribeCall = closedOrdersChannel.subscribe.bind(closedOrdersChannel, subscriptionOpts);
+            expect(badSubscribeCall).throws('WebSocket connection is closed');
+        });
+    });
+});