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index.test.js
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index.test.js
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import { expect, test, jest } from '@jest/globals';
import { getElement, createElement, createPage, createReducer, html, renderHtml, unsafeHTML, css, compileTw, useReducer } from './index.js';
global.__DEV = true;
test('css', () => {
const styles = css({
button: {
color: 'magenta',
fontSize: '10px',
'@media screen and (min-width:40em)': {
fontSize: '64px',
},
':hover': {
color: 'black',
},
'@media screen and (min-width:56em)': {
':hover': {
color: 'navy',
},
},
},
container: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
});
expect(styles).toMatchSnapshot();
});
test('compileTw', () => {
expect(compileTw('text-white font-bold border border-black p-4 m-4 w-20 h-20'.split(' '))).toMatchSnapshot();
});
test('renderHtml', () => {
const age = 1;
const data = { name: '123', address: { street: '1' } };
const items = [1, 2, 3];
const highlight = 'high';
const template = html`
<div>
<app-counter name="123" class="abc ${highlight}" age=${age} details1=${data} items=${items}></app-counter>
</div>
`;
const res = renderHtml(template);
expect(res).toMatchSnapshot();
});
test('render attribute keys', () => {
const template = html`
<div>
<app-counter name="123" perPage="1"></app-counter>
</div>
`;
const res = renderHtml(template);
expect(res).toMatchSnapshot();
});
test('render attributes within quotes', () => {
const age = 1;
const data = { name: '123', address: { street: '1' } };
const items = [1, 2, 3];
const classes = 'high';
const template = html`
<div>
<app-counter name="123" class=${classes} age="${age}" details1="${data}" items="${items}"></app-counter>
</div>
`;
const res = renderHtml(template);
expect(res).toMatchSnapshot();
});
test('render unsafeHTML', () => {
const textContent = `<div><p class="123">this is unsafe</p></div>`;
const template = html` <div>${unsafeHTML(textContent)}</div> `;
const res = renderHtml(template);
expect(res).toMatchSnapshot();
});
test('render single template', () => {
const template = html` <div>${html`NoCountry ${false}`}</div> `;
const res = renderHtml(template);
expect(res).toMatchSnapshot();
});
test('render multi template', () => {
const template = html`
<div>
${[1, 2].map(
(v) => html`
<app-item meta="${{ index: v }}" @click=${() => {}} .handleClick=${() => {}}>
<button @click=${() => {}}>+</button>
</app-item>
`,
)}
</div>
`;
const res = renderHtml(template);
expect(res).toMatchSnapshot();
});
test('createReducer', () => {
const countReducer = createReducer({
initial: {
count: 0,
},
reducer: {
increment: (state, a) => ({ ...state, count: state.count + a }),
decrement: (state, a) => ({ ...state, count: state.count - a }),
},
});
const mock = jest.fn();
countReducer.subscribe(mock);
countReducer.actions.increment(4);
expect(countReducer.getValue().count).toEqual(4);
expect(mock).toBeCalledWith({ count: 4 });
countReducer.actions.decrement(1);
expect(countReducer.getValue().count).toEqual(3);
expect(mock).toBeCalledWith({ count: 3 });
countReducer.actions.decrement(2);
expect(countReducer.getValue().count).toEqual(1);
expect(mock).toBeCalledWith({ count: 1 });
});
test('createElement without attrs', () => {
createElement({ url: '/base-element.js' }, () => {
return html` <div></div> `;
});
const Clazz = getElement('base-element');
const instance = new Clazz();
const res = instance.render();
expect(res).toMatchSnapshot();
});
test('createElement with attrs and hooks', () => {
createElement({ url: '/base-element.js' }, ({ perPage }) => {
const { count, actions } = useReducer({
initial: {
count: 3,
},
reducer: {
setValue: (state, v) => ({ ...state, count: v }),
},
});
return html`
<div>
<div>
<span>perPage: ${perPage}</span>
</div>
</div>
<span>Count: ${count}</span>
</div>
<button @click=${actions.setValue}>Set</button>
</div>
`;
});
const Clazz = getElement('base-element');
const instance = new Clazz({ perPage: 5 });
const res = instance.render();
expect(Clazz.observedAttributes).toEqual(['perpage']);
expect(res).toMatchSnapshot();
});
test('createPage', () => {
const route = () => {
const langPart = this.config.lang === 'en' ? '' : `/${this.config.lang}`;
return `${langPart}`;
};
const head = ({ config }) => {
return html`
<title>${config.title}</title>
<meta name="title" content=${config.title} />
<meta name="description" content=${config.title} />
`;
};
const body = ({ config }) => {
return html`
<div>
<app-header></app-header>
<main class="flex flex-1 flex-col mt-20 items-center">
<h1 class="text-5xl">${config.title}</h1>
</main>
</div>
`;
};
const renderPage = createPage({
route,
head,
body,
});
const scripts = '<script type="module"><script>';
const res = renderPage({ lang: 'en', props: { config: { title: '123' } }, headScript: scripts, bodyScript: scripts });
expect(res).toMatchSnapshot();
});