fix: properly set new token and fix tests

apps/array/src/api/fetcher.test.ts

@@ -0,0 +1,105 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { buildApiFetcher } from "./fetcher";
+
+describe("buildApiFetcher", () => {
+  const mockFetch = vi.fn();
+  const mockInput = {
+    method: "get" as const,
+    url: new URL("https://api.example.com/test"),
+    path: "/test",
+  };
+  const ok = (data = {}) => ({
+    ok: true,
+    status: 200,
+    json: () => Promise.resolve(data),
+  });
+  const err = (status: number) => ({
+    ok: false,
+    status,
+    json: () => Promise.resolve({ error: status }),
+  });
+
+  beforeEach(() => {
+    vi.resetAllMocks();
+    vi.stubGlobal("fetch", mockFetch);
+  });
+
+  it("makes request with bearer token", async () => {
+    mockFetch.mockResolvedValueOnce(ok());
+    const fetcher = buildApiFetcher({ apiToken: "my-token" });
+
+    await fetcher.fetch(mockInput);
+
+    expect(mockFetch.mock.calls[0][1].headers.get("Authorization")).toBe(
+      "Bearer my-token",
+    );
+  });
+
+  it("retries with new token on 401", async () => {
+    const onTokenRefresh = vi.fn().mockResolvedValue("new-token");
+    mockFetch.mockResolvedValueOnce(err(401)).mockResolvedValueOnce(ok());
+
+    const fetcher = buildApiFetcher({ apiToken: "old-token", onTokenRefresh });
+    const response = await fetcher.fetch(mockInput);
+
+    expect(response.ok).toBe(true);
+    expect(onTokenRefresh).toHaveBeenCalledTimes(1);
+    expect(mockFetch.mock.calls[1][1].headers.get("Authorization")).toBe(
+      "Bearer new-token",
+    );
+  });
+
+  it("uses refreshed token for subsequent requests", async () => {
+    const onTokenRefresh = vi.fn().mockResolvedValue("refreshed-token");
+    mockFetch
+      .mockResolvedValueOnce(err(401))
+      .mockResolvedValueOnce(ok())
+      .mockResolvedValueOnce(ok());
+
+    const fetcher = buildApiFetcher({
+      apiToken: "initial-token",
+      onTokenRefresh,
+    });
+    await fetcher.fetch(mockInput);
+    await fetcher.fetch(mockInput);
+
+    expect(mockFetch.mock.calls[2][1].headers.get("Authorization")).toBe(
+      "Bearer refreshed-token",
+    );
+  });
+
+  it("does not refresh on non-401 errors", async () => {
+    const onTokenRefresh = vi.fn();
+    mockFetch.mockResolvedValueOnce(err(403));
+
+    const fetcher = buildApiFetcher({ apiToken: "token", onTokenRefresh });
+
+    await expect(fetcher.fetch(mockInput)).rejects.toThrow("[403]");
+    expect(onTokenRefresh).not.toHaveBeenCalled();
+  });
+
+  it("throws on 401 without refresh callback", async () => {
+    mockFetch.mockResolvedValueOnce(err(401));
+    const fetcher = buildApiFetcher({ apiToken: "token" });
+
+    await expect(fetcher.fetch(mockInput)).rejects.toThrow("[401]");
+  });
+
+  it("throws when refresh fails", async () => {
+    const onTokenRefresh = vi.fn().mockRejectedValue(new Error("failed"));
+    mockFetch.mockResolvedValueOnce(err(401));
+
+    const fetcher = buildApiFetcher({ apiToken: "token", onTokenRefresh });
+
+    await expect(fetcher.fetch(mockInput)).rejects.toThrow("[401]");
+  });
+
+  it("handles network errors", async () => {
+    mockFetch.mockRejectedValueOnce(new Error("Network failure"));
+    const fetcher = buildApiFetcher({ apiToken: "token" });
+
+    await expect(fetcher.fetch(mockInput)).rejects.toThrow(
+      "Network request failed",
+    );
+  });
+});

apps/array/src/api/fetcher.ts

@@ -4,6 +4,8 @@ export const buildApiFetcher: (config: {
   apiToken: string;
   onTokenRefresh?: () => Promise<string>;
 }) => Parameters<typeof createApiClient>[0] = (config) => {
+  let currentToken = config.apiToken;
+
   const makeRequest = async (
     input: Parameters<Parameters<typeof createApiClient>[0]["fetch"]>[0],
     token: string,
@@ -51,13 +53,14 @@ export const buildApiFetcher: (config: {
 
   return {
     fetch: async (input) => {
-      let response = await makeRequest(input, config.apiToken);
+      let response = await makeRequest(input, currentToken);
 
       // Handle 401 with automatic token refresh
       if (!response.ok && response.status === 401 && config.onTokenRefresh) {
         try {
           const newToken = await config.onTokenRefresh();
-          response = await makeRequest(input, newToken);
+          currentToken = newToken;
+          response = await makeRequest(input, currentToken);
         } catch {
           // Token refresh failed - throw the original 401 error
           const errorResponse = await response.json();