feat(GRO-2160): route nav export buttons + offline map polish (#66)

src/__tests__/Routes.test.tsx

@@ -82,6 +82,18 @@ function mockFetch(meRole: "manager" | "groomer") {
     if (/^\/api\/routes\/[^/]+\/reorder$/.test(url) && opts?.method === "PATCH") {
       return Promise.resolve({ ok: true, json: () => Promise.resolve(ROUTE_RESPONSE) } as Response);
     }
+    if (/^\/api\/routes\/[^/]+\/export\/google-maps$/.test(url)) {
+      return Promise.resolve({
+        ok: true,
+        json: () => Promise.resolve({ platform: "google-maps", url: "https://www.google.com/maps/dir/?api=1", stopCount: 2, waypointCount: 0 }),
+      } as Response);
+    }
+    if (/^\/api\/routes\/[^/]+\/export\/apple-maps$/.test(url)) {
+      return Promise.resolve({
+        ok: true,
+        json: () => Promise.resolve({ platform: "apple-maps", url: "maps://?saddr=51.5,-0.1&daddr=51.52,-0.12", stopCount: 2, waypointCount: 0 }),
+      } as Response);
+    }
     return Promise.resolve({ ok: true, json: () => Promise.resolve({}) } as Response);
   });
 }
@@ -169,4 +181,31 @@ describe("RoutesPage", () => {
       )
     );
   });
+
+  it("renders both navigation export buttons when the route has stops", async () => {
+    global.fetch = mockFetch("manager") as unknown as typeof fetch;
+    render(<RoutesPage />);
+
+    await waitFor(() => expect(screen.getByText("Alice")).toBeInTheDocument());
+    expect(screen.getByRole("button", { name: "Open in Google Maps" })).toBeInTheDocument();
+    expect(screen.getByRole("button", { name: "Open in Apple Maps" })).toBeInTheDocument();
+  });
+
+  it("fetches the export deep link and opens it when Open in Google Maps is clicked", async () => {
+    const fetchMock = mockFetch("manager");
+    global.fetch = fetchMock as unknown as typeof fetch;
+    const openSpy = vi
+      .spyOn(window, "open")
+      .mockReturnValue({ location: { href: "" }, close: vi.fn() } as unknown as Window);
+
+    render(<RoutesPage />);
+    await waitFor(() => expect(screen.getByText("Alice")).toBeInTheDocument());
+
+    fireEvent.click(screen.getByRole("button", { name: "Open in Google Maps" }));
+
+    await waitFor(() =>
+      expect(fetchMock).toHaveBeenCalledWith("/api/routes/r1/export/google-maps")
+    );
+    expect(openSpy).toHaveBeenCalled();
+  });
 });