initial commit, add bitget rest api and websockets connector

test/ws.public.test.ts

@@ -0,0 +1,74 @@
+import {
+  WebsocketClient,
+  WSClientConfigurableOptions,
+  WS_KEY_MAP,
+} from '../src';
+import { logAllEvents, getSilentLogger, waitForSocketEvent } from './ws.util';
+
+describe('Public Spot Websocket Client', () => {
+  let wsClient: WebsocketClient;
+
+  const wsClientOptions: WSClientConfigurableOptions = {};
+
+  beforeAll(() => {
+    wsClient = new WebsocketClient(
+      wsClientOptions,
+      getSilentLogger('expectSuccess')
+    );
+    wsClient.connectAll();
+    logAllEvents(wsClient);
+  });
+
+  afterAll(() => {
+    wsClient.closeAll();
+  });
+
+  it('should open a public ws connection', async () => {
+    const wsOpenPromise = waitForSocketEvent(wsClient, 'open');
+
+    try {
+      expect(await wsOpenPromise).toMatchObject({
+        wsKey: expect.any(String),
+      });
+    } catch (e) {
+      expect(e).toBeFalsy();
+    }
+  });
+
+  it('should subscribe to public orderbook events and get a snapshot', async () => {
+    const wsResponsePromise = waitForSocketEvent(wsClient, 'response');
+    const wsUpdatePromise = waitForSocketEvent(wsClient, 'update');
+
+    const symbol = 'BTCUSDT';
+
+    wsClient.subscribeTopic('SP', 'books', symbol);
+
+    try {
+      expect(await wsResponsePromise).toMatchObject({
+        arg: { channel: 'books', instId: symbol, instType: expect.any(String) },
+        event: 'subscribe',
+        wsKey: WS_KEY_MAP.spotv1,
+      });
+    } catch (e) {
+      console.error(`Wait for "books" subscription response exception: `, e);
+      expect(e).toBeFalsy();
+    }
+
+    try {
+      expect(await wsUpdatePromise).toMatchObject({
+        action: 'snapshot',
+        arg: { channel: 'books', instId: 'BTCUSDT', instType: 'sp' },
+        data: [
+          {
+            asks: expect.any(Array),
+            bids: expect.any(Array),
+          },
+        ],
+        wsKey: 'spotv1',
+      });
+    } catch (e) {
+      console.error(`Wait for "books" event exception: `, e);
+      expect(e).toBeFalsy();
+    }
+  });
+});