test: add frontend board redux test

apps/frontend/app/routes/game/store/board.slice.ts

@@ -10,7 +10,8 @@ import type { RootState } from ".";
 const adapter = createEntityAdapter<Placement>({
   selectId: (placement) => Vec.id(placement.position),
 });
-export default createSlice({
+
+const slice = createSlice({
   name: "board",
   initialState: adapter.getInitialState(),
   reducers: {
@@ -32,6 +33,10 @@ export default createSlice({
     },
   },
 });
+export default slice;
+
+// actions
+export const { add, remove } = slice.actions;
 
 // selectors
 const selectors = adapter.getSelectors<RootState>((state) => state.board);

apps/frontend/app/routes/game/store/board.test.tsx

@@ -0,0 +1,191 @@
+import { renderWithProviders, nextFrame } from "test-utils";
+import { useSelector } from "react-redux";
+import * as Board from "./board.slice";
+import { Vec } from "@packages/domain";
+import { act, screen, within } from "@testing-library/react";
+import { PathCard } from "@packages/domain";
+import { setupStore } from ".";
+
+function View() {
+  const boards = useSelector(Board.selectBoard);
+  return (
+    <ul>
+      {boards.map((board) => (
+        <li key={board.position.join("") + board.card}>
+          <ul data-testid="position">
+            {board.position.map((item, index) => (
+              <li key={item + index}>{item}</li>
+            ))}
+          </ul>
+          <div data-testid="card">{board.card}</div>
+        </li>
+      ))}
+    </ul>
+  );
+}
+
+describe("board state", () => {
+  test("initial board state with empty", () => {
+    renderWithProviders(<View />, {
+      store: setupStore({
+        board: {
+          ids: [],
+          entities: {},
+        },
+      }),
+    });
+
+    expect(screen.queryAllByTestId("position")).toHaveLength(0);
+    expect(screen.queryAllByTestId("card")).toHaveLength(0);
+  });
+
+  test("board state with one card", async () => {
+    const store = setupStore({
+      board: {
+        ids: [Vec.id([0, 0])],
+        entities: {
+          [Vec.id([0, 0])]: {
+            position: [0, 0],
+            card: PathCard.START,
+          },
+        },
+      },
+    });
+    renderWithProviders(<View />, { store });
+
+    // verify nodes exist
+    const cards = screen.queryAllByTestId("card");
+    const positions = screen.queryAllByTestId("position");
+
+    // expect to find one card
+    expect(cards).toHaveLength(1);
+    // expect to find one position
+    expect(positions).toHaveLength(1);
+
+    // verify the card
+    expect(cards[0]).toHaveTextContent("start");
+    // verify the position
+    const positionItems1 = within(positions[0]).queryAllByRole("listitem");
+    expect(positionItems1).toHaveLength(2);
+    expect(positionItems1[0]).toHaveTextContent("0");
+    expect(positionItems1[1]).toHaveTextContent("0");
+  });
+
+  test("board state with multiple card", async () => {
+    const store = setupStore({
+      board: {
+        ids: [Vec.id([0, 0]), Vec.id([0, 1])],
+        entities: {
+          [Vec.id([0, 0])]: {
+            position: [0, 0],
+            card: PathCard.START,
+          },
+          [Vec.id([0, 1])]: {
+            position: [0, 1],
+            card: PathCard.CONNECTED_TOP_BOTTOM,
+          },
+        },
+      },
+    });
+    renderWithProviders(<View />, { store });
+
+    // verify nodes exist
+    const cards = screen.queryAllByTestId("card");
+    const positions = screen.queryAllByTestId("position");
+
+    // expect to find two cards
+    expect(cards).toHaveLength(2);
+    // expect to find two positions
+    expect(positions).toHaveLength(2);
+
+    // verify the first card
+    expect(cards[0]).toHaveTextContent("start");
+    // verify the first position
+    const positionItems1 = within(positions[0]).queryAllByRole("listitem");
+    expect(positionItems1).toHaveLength(2);
+    expect(positionItems1[0]).toHaveTextContent("0");
+    expect(positionItems1[1]).toHaveTextContent("0");
+
+    // verify the second card
+    expect(cards[1]).toHaveTextContent("connected top bottom");
+
+    // verify the second position
+    const positionItems2 = within(positions[1]).queryAllByRole("listitem");
+    expect(positionItems2).toHaveLength(2);
+    expect(positionItems2[0]).toHaveTextContent("0");
+    expect(positionItems2[1]).toHaveTextContent("1");
+  });
+
+  test("add card to the board", async () => {
+    const store = setupStore({
+      board: {
+        ids: [],
+        entities: {},
+      },
+    });
+
+    renderWithProviders(<View />, { store });
+
+    // verify nodes is not exist
+    expect(screen.queryAllByTestId("card")).toHaveLength(0);
+    expect(screen.queryAllByTestId("position")).toHaveLength(0);
+
+    await act(async () => {
+      store.dispatch(
+        Board.add({
+          position: [0, 0],
+          card: "start",
+        })
+      );
+      await nextFrame();
+    });
+
+    // verify nodes has been added
+    const cards = screen.queryAllByTestId("card");
+    const positions = screen.queryAllByTestId("position");
+
+    // expect to find one card
+    expect(cards).toHaveLength(1);
+    // expect to find one position
+    expect(positions).toHaveLength(1);
+
+    // verify the card
+    expect(cards[0]).toHaveTextContent("start");
+    // verify the position
+    const positionItems1 = within(positions[0]).queryAllByRole("listitem");
+    expect(positionItems1).toHaveLength(2);
+    expect(positionItems1[0]).toHaveTextContent("0");
+    expect(positionItems1[1]).toHaveTextContent("0");
+  });
+
+  test("remove card from the board", async () => {
+    const store = setupStore({
+      board: {
+        ids: [Vec.id([0, 0])],
+        entities: {
+          [Vec.id([0, 0])]: {
+            position: [0, 0],
+            card: PathCard.START,
+          },
+        },
+      },
+    });
+
+    renderWithProviders(<View />, { store });
+
+    // verify nodes exist
+    expect(screen.queryAllByTestId("position")).toHaveLength(1);
+    expect(screen.queryAllByTestId("card")).toHaveLength(1);
+
+    await act(async () => {
+      store.dispatch(
+        Board.remove(Vec.id([0, 0]))
+      );
+      await nextFrame();
+    });
+
+    // check nodes had been removed
+    expect(screen.queryAllByTestId("position")).toHaveLength(0);
+    expect(screen.queryAllByTestId("card")).toHaveLength(0);
+  });
+});

apps/frontend/test/utils/index.tsx

@@ -20,3 +20,9 @@ export function renderWithProviders<State = {}>(
 
   return { store, ...render(ui, { wrapper: Wrapper, ...renderOptions }) };
 }
+
+export function nextFrame() {
+  return new Promise((resolve) => {
+    requestAnimationFrame(resolve);
+  });
+}