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- test('直接預設 store ,保管的 state 從 -3 開始', () => {
- const store = createStore(reducer, {
- count: -3,
- });
- // 使用 renderWithRedux 回傳 render 後的結果
- const { getByText, getByTestId } = renderWithRedux(<Counter />, { store, });
- // +2
- fireEvent.click(getByText('點我加 2'));
- expect(getByTestId('display_count').textContent).toBe('點了-1下');
- });
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