1175dd00cc
Adds an Alpaca-backed equities adapter with exchange metadata mapping for conservative off-exchange tagging and a small helper test suite.
29 lines
1.1 KiB
TypeScript
29 lines
1.1 KiB
TypeScript
import { describe, expect, test } from "bun:test";
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import { inferOffExchangeFlag } from "../src/adapters/alpaca";
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describe("alpaca equities adapter helpers", () => {
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test("inferOffExchangeFlag tags FINRA/TRF venues as off-exchange", () => {
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const map = new Map<string, string>([
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["D", "FINRA / Nasdaq TRF"],
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["N", "FINRA / NYSE TRF"],
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["Q", "NASDAQ"],
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["P", "NYSE ARCA"],
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["O", "OTC Markets"]
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]);
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expect(inferOffExchangeFlag("D", map)).toBe(true);
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expect(inferOffExchangeFlag("N", map)).toBe(true);
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expect(inferOffExchangeFlag("O", map)).toBe(true);
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expect(inferOffExchangeFlag("Q", map)).toBe(false);
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expect(inferOffExchangeFlag("P", map)).toBe(false);
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});
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test("inferOffExchangeFlag falls back conservatively when no mapping", () => {
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const empty = new Map<string, string>();
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expect(inferOffExchangeFlag(undefined, empty)).toBe(false);
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expect(inferOffExchangeFlag("", empty)).toBe(false);
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expect(inferOffExchangeFlag("D", empty)).toBe(true);
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expect(inferOffExchangeFlag("N", empty)).toBe(false);
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});
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});
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