Add tests for Alpaca Historical Bars API
- Implemented tests for fetching historical bars for AAPL with different timeframes (1D, 5Min, 1H). - Verified response structure and data integrity for each timeframe. - Ensured that the API returns valid data and appropriate status for the requests.
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+102
-25
@@ -1,4 +1,4 @@
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import { useLoaderData } from "react-router";
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import { useLoaderData, useNavigate, useLocation } from "react-router";
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import TradingViewChart from "../components/TradingViewChart";
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import Navbar from "../components/Navbar";
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@@ -9,44 +9,94 @@ interface LoaderData {
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position: number | null;
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orders: any[];
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bars: any[];
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timeframe: string;
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limit: number;
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}
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const TIMEFRAMES = [
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{ value: "1D", label: "1 Day" },
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{ value: "5Min", label: "5 Min" },
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{ value: "15Min", label: "15 Min" },
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{ value: "1H", label: "1 Hour" },
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{ value: "1W", label: "1 Week" },
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];
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export async function loader({ params, request }: { params: { ticker: string }; request: Request }) {
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const ticker = params.ticker?.toUpperCase() || "";
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const url = new URL(request.url);
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const timeframe = url.searchParams.get("timeframe") || "1D";
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const limit = parseInt(url.searchParams.get("limit") || "30", 10);
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console.log(`analyze/${ticker}: loader called with timeframe=${timeframe}, limit=${limit}`);
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// Build base URL from request for server-side fetches
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const url = new URL(request.url);
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const baseUrl = `${url.protocol}//${url.host}`;
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const reqUrl = new URL(request.url);
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const host = request.headers.get("host") || reqUrl.host;
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const protocol = reqUrl.protocol;
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const baseUrl = `${protocol}//${host}`;
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console.log(`analyze/${ticker}: baseUrl = ${baseUrl}`);
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let position = null;
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let orders = [];
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let bars = [];
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// Fetch position
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const posRes = await fetch(`${baseUrl}/api/alpaca/positions`);
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const positions = posRes.ok ? await posRes.json() : [];
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const position = positions.find((p: any) => p.ticker === ticker)?.qty ?? null;
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try {
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// Fetch position
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const posRes = await fetch(`${baseUrl}/api/alpaca/positions`);
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console.log(`analyze/${ticker}: positions status = ${posRes.status}`);
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const positions = posRes.ok ? await posRes.json() : [];
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position = positions.find((p: any) => p.ticker === ticker)?.qty ?? null;
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// Fetch orders
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const ordRes = await fetch(`${baseUrl}/api/alpaca/orders`);
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const ordersData = ordRes.ok ? await ordRes.json() : { orders: [] };
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const orders = ordersData.orders?.filter((o: any) => o.symbol === ticker) || [];
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// Fetch orders
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const ordRes = await fetch(`${baseUrl}/api/alpaca/orders`);
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const ordersData = ordRes.ok ? await ordRes.json() : { orders: [] };
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orders = ordersData.orders?.filter((o: any) => o.symbol === ticker) || [];
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// Fetch bars for chart
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const barsRes = await fetch(`${baseUrl}/api/alpaca/quote/${ticker}`);
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const barsData = barsRes.ok ? await barsRes.json() : null;
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const bars = barsData?.bars || [];
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// Fetch bars for chart with timeframe and limit
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console.log(`analyze/${ticker}: fetching bars from ${baseUrl}/api/alpaca/quote/${ticker}?timeframe=${timeframe}&limit=${limit}`);
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const barsRes = await fetch(`${baseUrl}/api/alpaca/quote/${ticker}?timeframe=${timeframe}&limit=${limit}`);
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console.log(`analyze/${ticker}: bars response status = ${barsRes.status}`);
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const barsData = barsRes.ok ? await barsRes.json() : null;
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console.log(`analyze/${ticker}: barsData =`, JSON.stringify(barsData));
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bars = barsData?.bars || [];
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} catch (err) {
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console.error(`analyze/${ticker}: loader error`, err);
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}
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return Response.json({ ticker, position, orders, bars });
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return Response.json({ ticker, position, orders, bars, timeframe, limit });
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}
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export default function StockDetail() {
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const { ticker, position, orders, bars } = useLoaderData() as LoaderData;
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const { ticker, position, orders, bars, timeframe, limit } = useLoaderData() as LoaderData;
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const navigate = useNavigate();
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const location = useLocation();
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const updateParams = (newTimeframe: string, newLimit: number) => {
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const searchParams = new URLSearchParams(location.search);
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searchParams.set("timeframe", newTimeframe);
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searchParams.set("limit", newLimit.toString());
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navigate(`${location.pathname}?${searchParams.toString()}`, { replace: true });
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};
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// Convert Alpaca bars to TradingView format (YYYY-MM-DD for time)
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const chartData = bars?.map((bar: any) => ({
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time: bar.t ? new Date(bar.t).toISOString().split('T')[0] : "",
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open: bar.o,
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high: bar.h,
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low: bar.l,
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close: bar.c,
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})).filter((bar: any) => bar.time) || [];
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const chartData = bars?.map((bar: any) => {
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// Handle timestamp - could be string, number, or Date
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let time = "";
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if (bar.t) {
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const date = new Date(bar.t);
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if (!isNaN(date.getTime())) {
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time = date.toISOString().split('T')[0];
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}
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}
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return {
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time,
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open: bar.o,
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high: bar.h,
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low: bar.l,
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close: bar.c,
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};
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}).filter((bar: any) => bar.time && bar.open != null && bar.high != null && bar.low != null && bar.close != null) || [];
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console.log(`StockDetail: loaded ${bars?.length ?? 0} bars, transformed to ${chartData.length} chart points`);
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return (
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<div className="min-h-screen bg-gradient-to-br from-gray-50 to-blue-50">
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@@ -54,7 +104,34 @@ export default function StockDetail() {
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<div className="mx-auto max-w-7xl px-6 py-8">
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<h1 className="text-3xl font-bold text-gray-900 mb-6">{ticker} Detail</h1>
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<TradingViewChart ticker={ticker} data={chartData} />
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<div className="bg-white rounded-xl shadow-lg p-6 mb-6 border border-gray-200">
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<div className="flex items-center gap-4 mb-4">
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<span className="text-gray-700 font-medium">Timeframe:</span>
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<select
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value={timeframe}
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onChange={(e) => updateParams(e.target.value, limit)}
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className="border border-gray-300 rounded-lg px-3 py-1.5 text-gray-900 focus:ring-2 focus:ring-blue-500"
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>
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{TIMEFRAMES.map((tf) => (
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<option key={tf.value} value={tf.value}>{tf.label}</option>
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))}
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</select>
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<span className="text-gray-700 font-medium">Bars:</span>
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<select
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value={limit}
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onChange={(e) => updateParams(timeframe, parseInt(e.target.value))}
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className="border border-gray-300 rounded-lg px-3 py-1.5 text-gray-900 focus:ring-2 focus:ring-blue-500"
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>
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<option value={10}>10</option>
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<option value={30}>30</option>
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<option value={50}>50</option>
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<option value={100}>100</option>
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</select>
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</div>
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<TradingViewChart ticker={ticker} data={chartData} />
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</div>
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<div className="mt-6 bg-white rounded-xl shadow-lg p-6 border border-gray-200">
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<h2 className="text-xl font-bold text-gray-900 mb-4">Position</h2>
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