feat(acks): row click opens AckDrawer

src/pages/Acks.test.tsx

@@ -9,13 +9,17 @@ import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { Acks } from "./Acks";
 import { api } from "@/lib/api";
 
-vi.mock("@/lib/api", () => ({
-  api: {
-    isConfigured: true,
-    listAcks: vi.fn(),
-    getAck: vi.fn(),
-  },
-}));
+vi.mock("@/lib/api", async (importOriginal) => {
+  const actual = await importOriginal();
+  return {
+    ...actual,
+    api: {
+      isConfigured: true,
+      listAcks: vi.fn(),
+      getAck: vi.fn(),
+    },
+  };
+});
 
 function renderIntoContainer(element: React.ReactElement): {
   container: HTMLDivElement;
@@ -105,6 +109,10 @@ function hasExactlyOneSelectedRow(): boolean {
 describe("Acks", () => {
   beforeEach(() => {
     vi.clearAllMocks();
+    // Reset URL state between tests so a previous `?ack=` doesn't leak.
+    (window as unknown as { happyDOM: { setURL: (u: string) => void } }).happyDOM.setURL(
+      "http://localhost/acks"
+    );
   });
 
   it("renders a single ack row with counts and ack code", async () => {
@@ -448,4 +456,115 @@ describe("Acks", () => {
 
     unmount();
   });
+
+  it("test_clicking_a_row_opens_the_ack_drawer", async () => {
+    // SP21 Phase 5 Task 5.3: clicking an acks row drills into the
+    // matching ack via `?ack=ID` URL state. The AckDrawer mounts
+    // but the actual content depends on `useAckDetail` — we don't
+    // need to verify drawer internals here, just that the URL got
+    // pushed and the drawer portal opens.
+    (api.listAcks as unknown as ReturnType<typeof vi.fn>).mockResolvedValue({
+      items: [
+        {
+          id: 42,
+          sourceBatchId: "b-uuid-1",
+          acceptedCount: 3,
+          rejectedCount: 1,
+          receivedCount: 4,
+          ackCode: "P",
+          parsedAt: "2026-06-20T12:00:00Z",
+        },
+      ],
+      total: 1,
+      returned: 1,
+      has_more: false,
+    });
+    // Stub the per-ack fetch so `useAckDetail` resolves cleanly
+    // (avoids TanStack Query's "Query data cannot be undefined"
+    // warning). We only assert on the drawer's presence, so the
+    // shape doesn't need to be precise.
+    (api.getAck as unknown as ReturnType<typeof vi.fn>).mockResolvedValue({
+      id: 42,
+      sourceBatchId: "b-uuid-1",
+      acceptedCount: 3,
+      rejectedCount: 1,
+      receivedCount: 4,
+      ackCode: "P",
+      parsedAt: "2026-06-20T12:00:00Z",
+      raw_999_text: "ISA*~\n",
+    });
+
+    const { unmount } = renderIntoContainer(React.createElement(Acks));
+    await waitForText("b-uuid-1");
+
+    // No drawer yet.
+    expect(
+      document.body.querySelector('[data-testid="ack-drawer"]')
+    ).toBeNull();
+
+    // Click the row.
+    const row = rowAt(0);
+    expect(row).not.toBeNull();
+    await act(async () => {
+      row!.click();
+      await Promise.resolve();
+    });
+    await settle(
+      () => document.body.querySelector('[data-testid="ack-drawer"]') !== null
+    );
+
+    // The drawer is now in the DOM.
+    expect(
+      document.body.querySelector('[data-testid="ack-drawer"]')
+    ).not.toBeNull();
+
+    unmount();
+  });
+
+  it("test_deep_link_with_ack_param_opens_drawer_on_mount", async () => {
+    // /acks?ack=42 deep link → drawer opens on mount without a click.
+    (api.listAcks as unknown as ReturnType<typeof vi.fn>).mockResolvedValue({
+      items: [
+        {
+          id: 42,
+          sourceBatchId: "b-uuid-1",
+          acceptedCount: 3,
+          rejectedCount: 1,
+          receivedCount: 4,
+          ackCode: "P",
+          parsedAt: "2026-06-20T12:00:00Z",
+        },
+      ],
+      total: 1,
+      returned: 1,
+      has_more: false,
+    });
+    (api.getAck as unknown as ReturnType<typeof vi.fn>).mockResolvedValue({
+      id: 42,
+      sourceBatchId: "b-uuid-1",
+      acceptedCount: 3,
+      rejectedCount: 1,
+      receivedCount: 4,
+      ackCode: "P",
+      parsedAt: "2026-06-20T12:00:00Z",
+      raw_999_text: "ISA*~\n",
+    });
+
+    (window as unknown as { happyDOM: { setURL: (u: string) => void } }).happyDOM.setURL(
+      "http://localhost/acks?ack=42"
+    );
+
+    const { unmount } = renderIntoContainer(React.createElement(Acks));
+    await waitForText("b-uuid-1");
+    await settle(
+      () => document.body.querySelector('[data-testid="ack-drawer"]') !== null
+    );
+
+    // The drawer is in the DOM on first render.
+    expect(
+      document.body.querySelector('[data-testid="ack-drawer"]')
+    ).not.toBeNull();
+
+    unmount();
+  });
 });