Top 10 Examples of "test-utils in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'test-utils' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
it('should report correct the retargeted value', () => {
let relatedTarget;
class Root extends LightningElement {
render() {
return rootHTML;
}
handleFocus(e) {
relatedTarget = e.relatedTarget;
}
}
class Parent extends LightningElement {
render() {
return parentHTML;
}
}
const rootHTML = compileTemplate(`
<template>
<input>
</template>
`, {
modules: { 'x-parent': Parent },
});
const parentHTML = compileTemplate(`
<template>
<input>
</template>
`);
const elm = createElement('x-root', { is: Root });
document.body.appendChild(elm);
elm.shadowRoot.querySelector('x-parent').shadowRoot.querySelector('input').focus();
// jsdom has some timing issue with focusingit('should support various types', () => {
const html = compileTemplate(`<template></template>`);
class VmRendering extends LightningElement {
render() {
expect(api.i([], () => null)).toEqual([]);
expect(api.i(undefined as any, () => null)).toEqual([]);
expect(api.i(null as any, () => null)).toEqual([]);
return html;
}
}
const elm = createElement('x-vm-aux', { is: VmRendering });
document.body.appendChild(elm);
});it('should handle string styles', function() {
let calledCSSText = false;
const html = compileTemplate(
`<template>
<section style="{state.customStyle}"></section>
</template>`
);
class MyComponent extends LightningElement {
state = {
customStyle: 'color: red',
};
render() {
return html;
}
}
const elm = createElement('x-foo', { is: MyComponent });
const cssTextPropDef = Object.getOwnPropertyDescriptor(it('should unwrap shadow membrane object correctly', () => {
const html = compileTemplate(`
<template>
<div></div>
</template>
`);
class CustomEl extends LightningElement {
query() {
return this.template.querySelector('div');
}
render() {
return html;
}
}
CustomEl.publicMethods = ['query'];
const el = createElement('x-foo', { is: CustomEl });
document.body.appendChild(el);it('should place the focus on the first focusable child', () => {
const html = compileTemplate(`
<template>
<input>
</template>
`);
class Foo extends LightningElement {
constructor() {
super();
}
render() {
return html;
}
renderedCallback() {
this.template.querySelector('input').focus();
}
static delegatesFocus = true;
}it('should log console warning when accessing elm.childNodes', () => {
const html = compileTemplate(`
<template>
<p></p>
</template>
`);
let template;
class Parent extends LightningElement {
render() {
template = this.template;
return html;
}
}
const parentElm = createElement('x-parent', { is: Parent });
document.body.appendChild(parentElm);
expect(() => {
template.querySelector('p').childNodes;
}).toLogWarning('Discouraged access to property \'childNodes\' on \'Node\': It returns a live NodeList and should not be relied upon. Instead, use \'querySelectorAll\' which returns a static NodeList.');it('should place the focus on the first focusable child even if it is multiple levels down', () => {
const childHTML = compileTemplate(`
<template>
<input>
</template>
`);
class Child extends LightningElement {
render() {
return childHTML;
}
renderedCallback() {
this.template.querySelector('input').focus();
}
}
const parentHTML = compileTemplate(
`
<template>
</template>it('should allow searching for elements from template', () => {
const myComponentTmpl = compileTemplate(`
<template>
<p></p>
</template>
`);
class MyComponent extends LightningElement {
render() {
return myComponentTmpl;
}
}
const elm = createElement('x-foo', { is: MyComponent });
document.body.appendChild(elm);
return Promise.resolve().then(() => {
const nodes = elm.shadowRoot.querySelectorAll('p');
expect(nodes).toHaveLength(1);
});it('should update the attributes when replacing a styled template with a different one', () => {
const tmpl1 = compileTemplate(`
<template>
<section>tmpl1</section>
</template>
`);
tmpl1.stylesheets = [() => ``];
tmpl1.stylesheetTokens = {
hostAttribute: 'tmpl1-host',
shadowAttribute: 'tmpl1',
};
const tmpl2 = compileTemplate(`
<template>
<section>tmpl2</section>
</template>
`);
tmpl2.stylesheets = [() => ``];it('should update the attributes when replacing a styled template with a different one', () => {
const tmpl1 = compileTemplate(`
<template>
<section>tmpl1</section>
</template>
`);
tmpl1.stylesheets = [() => ``];
tmpl1.stylesheetTokens = {
hostAttribute: 'tmpl1-host',
shadowAttribute: 'tmpl1',
};
const tmpl2 = compileTemplate(`
<template>
<section>tmpl2</section>
</template>
`);
tmpl2.stylesheets = [() => ``];
tmpl2.stylesheetTokens = {
hostAttribute: 'tmpl2-host',
shadowAttribute: 'tmpl2',
};
class Component extends LightningElement {
render() {
return this.tmpl;
}
}
Component.publicProps = {