我有一个Textfield组件,它的右侧包含一个单位(p
).我在useEffect
内动态更改了这个单元和文本值之间的填充,但是当我想使用Cypress的组件测试来确保它正确工作时,我阻止了它.
import classNames from "classnames";
import { IProps } from "./type";
import styles from "./style.module.css";
import { useEffect, useRef } from "react";
const TextField = ({
ID,
value,
placeholder,
type,
rounded,
outline,
disabled,
icon,
unit,
onChange,
onFocus,
onBlur,
}: IProps) => {
const unitRef = useRef<HTMLParagraphElement>(null);
const inputRef = useRef<HTMLInputElement>(null);
// How to test this hook
useEffect(() => {
if (unitRef.current && inputRef.current) {
const unitWidth = unitRef.current.getBoundingClientRect().width;
inputRef.current.style.paddingRight = `${unitWidth + 20}px`;
}
}, [unit]);
return (
<div
className={styles.wrapper}
data-cy="textfield-wrapper"
>
{icon && (
<div
className={classNames(styles.icon, {
[styles.iconPrimary]: type === "primary",
[styles.iconSecondary]: type === "secondary",
[styles.iconTernary]: type === "ternary",
})}
data-cy="textfield-icon"
>
{icon}
</div>
)}
<input
ref={inputRef}
id={ID}
type="text"
value={value}
placeholder={placeholder}
className={classNames(styles.textfield, {
[styles.primary]: type === "primary",
[styles.secondary]: type === "secondary",
[styles.ternary]: type === "ternary",
[styles.rounded]: rounded,
[styles.outline]: outline,
[styles.paddingLeft]: icon,
[styles.paddingRight]: unit,
})}
disabled={disabled}
onChange={onChange}
onFocus={onFocus}
onBlur={onBlur}
/>
{unit && (
<p
ref={inputRef}
className={classNames(styles.unit, {
[styles.unitPrimary]: type === "primary",
[styles.unitSecondary]: type === "secondary",
[styles.unitTernary]: type === "ternary",
})}
data-cy="textfield-unit"
>
{unit}
</p>
)}
</div>
);
};
export default TextField;
``
button.cy.tsx
it("should adjusts input padding based on unit width", () => {
const onChange = () => {
console.log("TextField");
};
cy.mount(
<TextField
ID="textfield"
value="credium Textfield"
onChange={onChange}
type="primary"
icon={<IoMdHome />}
unit="kWh"
rounded
outline
/>
);
cy.get('[data-cy="textfield-wrapper"]').within(() => {
// blocked here
cy.get("input").should("have.css", "padding-right", "???");
});
});