Lycolog

/**
 * useHistory() を使えるようにするテストユーティリティ
 */
const renderWithRouter = (children: JSX.Element, { route = '/' } = {}) => {
  window.history.pushState({}, 'Test page', route);

  return render(children, {
    wrapper: BrowserRouter,
  });
};

// spy 用のモック関数
const mockPush = jest.fn();
// react-router-dom をモックにする
jest.mock('react-router-dom', () => ({
  useHistory: () => ({
    // モック関数を設定
    push: mockPush,
  }),
}));

describe('Bar', () => {
  it('history.push のテスト', () => {
    renderWithRouter(<Bar />, {
      route: '/foo/bar',
    });

    // ここらへんに同期的に副作用を起こす処理を書く
    // 以降、副作用で history.push('/foo/baz') されたとする

    // 呼ばれたことの確認
    expect(mockPush).toBeCalled();
    // 引数の確認
    expect(mockPush.mock.calls[0][0]).toBe('/foo/baz');
  });
});

const onSubmit = (ev: React.FormEvent<HTMLFormElement>) => {
  ev.preventDefault();
  const target = ev.target as typeof ev.target & {
    t1: { value: string };
    t2: { value: string };
  };
  console.log(target.t1.value);
  console.log(target.t2.value);
};
return (
  <div className="App">
    <form onSubmit={(ev) => onSubmit(ev)}>
      <input type="text" id="t1" />
      <input type="text" id="t2" />
      <input type="submit" />
    </form>
  </div>
);

export const StatelessPage = () => {
  const history = useHistory();
  return (
    <div>
      <form>
        <input type="text" />
        <button onClick={() => history.push(AppRoute.dom2.path)}>submit</button>
      </form>
    </div>
  );
};

export const StatefullPage = () => {
  const ctx = useContext(ExampleContext);
  const history = useHistory();
  const onChange = (ev: React.ChangeEvent<HTMLInputElement>) => {
    ctx.text = ev.target.value;
  };

  return (
    <div>
      <form>
        <input
          type="text"
          defaultValue={ctx.text}
          onChange={(ev) => onChange(ev)}
        />
        <button onClick={() => history.push(AppRoute.ctx2.path)}>submit</button>
      </form>
    </div>
  );
};

{% set ns = namespace(title = "") %}
{% for doc in page.ancestors %}
    {% set ns.title = "[" + doc.title + "] " + ns.title %}
{% endfor %}

─src
    ├─app
    │   ├─configs
    │   │    └config.yaml
    │   ├─templates
    │   │         └─main.html
    │   └─__init__.py
    └─main.py

from jinja2 import Environment, PackageLoader, select_autoescape
env = Environment(
    # appはフォルダ構成のappフォルダを指す
    loader=PackageLoader('app', 'templates'),
    autoescape=select_autoescape(['html', 'xml'])
)
template = env.get_template('main.html')
# `render()` の引数は埋め込み変数を KeyValue 形式で指定
print(template.render(the='variables', go='here'))

─src
    ├─app
    │   ├─configs
    │   │    └config.yaml
    │   ├─templates
    │   │         └─main.html
    │   └─__init__.py
    └─main.py

from yaml import safe_load as yamlLoad
from jinja2 import Environment, PackageLoader, select_autoescape
env = Environment(
    loader=PackageLoader('app', 'templates'),
    autoescape=select_autoescape(['html', 'xml'])
)

template = env.get_template('main.html')
with open('app/configs/config.yaml') as fYaml:
    print(template.render(yamlLoad(fYaml)))