Added support for env variables and added basic tests for Alpaca.

test/alpaca.test.ts

@@ -0,0 +1,34 @@
+import { describe, expect, test } from '@jest/globals';
+import 'dotenv/config'
+import { AlpacaExchange } from '../src/alpaca/exchange'
+import { createLogger, transports, format } from "winston";
+
+const logger = createLogger({
+    transports: [new transports.Console()],
+    format: format.combine(
+      format.colorize(),
+      format.timestamp(),
+      format.printf(({ timestamp, level, message, service }) => {
+        return `[${timestamp}] ${service} ${level}: ${message}`;
+      })
+    ),
+    defaultMeta: {
+      service: "AlpacaTest",
+    },
+  });
+
+describe('Alpaca Tests', () => {
+  test('portfolio fetch', () => {
+    expect(process.env.ALPACA_API_KEY).toBeDefined();
+    expect(process.env.ALPACA_SECRET_KEY).toBeDefined();
+    let exchange = new AlpacaExchange(process.env.ALPACA_API_KEY!, process.env.ALPACA_SECRET_KEY!, true);
+    expect(exchange.portfolioProvider.fetchPortfolio()).resolves;
+  });
+
+  test('quote fetch', async () => {
+    expect(process.env.ALPACA_API_KEY).toBeDefined();
+    expect(process.env.ALPACA_SECRET_KEY).toBeDefined();
+    let exchange = new AlpacaExchange(process.env.ALPACA_API_KEY!, process.env.ALPACA_SECRET_KEY!, true);
+    expect(exchange.quoteProvider.fetchQuote("AAPL")).resolves;
+  });
+});