如何在与酶反应或反应测试库中测试材料-UI的响应性用户界面(如隐藏、网格、断点) [英] How to test Material-UI's Responsive UI (e.g. Hidden, Grid, Breakpoints) in React with Enzyme or React Testing Library

问题描述

如何在Material-UI中测试响应元素？

示例：

import React from "react";
import Hidden from "@material-ui/core/Hidden";

const HideOnMobile = (props) => {
  return <Hidden xsDown>{props.children}</Hidden>;
};

测试用例：

describe(HideOnMobile, () => {
  describe("when screensize is sm", () => {
    it("shows children", () => {});
  });

  describe("when screensize is xs", () => {
    it("hides children", () => {});
  });
});

推荐答案

MUI v5

遗憾的是，v4 solution doesn't work for v5。

MUI v4

如前所述here您可以使用主题道具设置MUI的大小属性：

import { createMuiTheme, MuiThemeProvider } from "@material-ui/core/styles";

const SizeWrapper = (props) => {
  const theme = createMuiTheme({
    props: { MuiWithWidth: { initialWidth: "sm" } },
  });

  return <MuiThemeProvider theme={theme}>{props.children}</MuiThemeProvider>;
};

例如使用Reaction测试库：

describe(HideOnMobile, () => {
  describe("when screensize is sm", () => {
    it("shows children", () => {
      const testMessage = "Test Message";
      render(<HideOnMobile>{testMessage}</HideOnMobile>, { wrapper: SizeWrapper });

      expect(screen.getByText(testMessage)).toBeInTheDocument();
    });
  });
});

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