我不熟悉Reaction中的测试,也不知道如何适当地模拟useState值来适当地覆盖使用布尔值作为参数来返回组件的行
react 代码
import React from "react";
import { InputGroup, Input, Button, Spinner, Center } from "@chakra-ui/react";
import movieAPI from "../../services/movieAPI";
import { useNavigate } from "react-router-dom";
import styles from "./index.module.css";
export const Search = () => {
const navigate = useNavigate();
const [movie, setMovie] = React.useState("");
const [isLoading, setLoading] = React.useState(false);
const handleClick = async () => {
setLoading(true);
const data = await movieAPI.fetchMovieByTitle(movie);
setLoading(false);
navigate(`/movie/${data.Title}`, { state: data });
};
return isLoading ? (
<Center>
<Spinner
data-testid="spinner"
className={styles.verticalCenter}
thickness="6px"
speed="1.0s"
emptyColor="gray.200"
color="green.500"
size="xl"
/>
</Center>
) : (
<InputGroup m={2} p={2}>
<Input onChange={(e) => setMovie(e.target.value)} placeholder="Search" />
<Button onClick={handleClick}>Search</Button>
</InputGroup>
);
};
为了覆盖微调组件的特定行,我如何模拟属性加载? 下面是我测试微调控件代码的try
import { render, fireEvent, RenderResult } from "@testing-library/react";
import { Search } from "../../components/search/search";
import { BrowserRouter as Router, useNavigate } from "react-router-dom";
import React from "react";
describe("search.tsx", () => {
let isLoading = false;
let setLoading = jest.fn();
let container: RenderResult<
typeof import("@testing-library/dom/types/queries"),
HTMLElement,
HTMLElement
>;
jest.mock("react", () => {
return {
...jest.requireActual("react"),
useState: () => ({
isLoading: isLoading,
setLoading: setLoading,
}),
};
});
beforeEach(() => {
container = render(
<Router>
<Search />
</Router>
);
});
it("should render spinner", async () => {
setLoading.mockImplementation((data) => {
isLoading = data;
});
setLoading(true);
console.log(await container.findByTestId("spinner"));
});
});