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iconify/iconify-icon/icon/tests/component-api-test.ts

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2022-05-02 06:28:48 +00:00
import {
cleanupGlobals,
expectedBlock,
setupDOM,
nextTick,
nextPrefix,
fakeAPI,
mockAPIData,
awaitUntil,
styleOpeningTag,
} from '../src/tests/helpers';
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import { defineIconifyIcon, IconifyIconHTMLElement } from '../src/component';
import type { IconState } from '../src/state';
import type { IconifyMockAPIDelayDoneCallback } from '@iconify/core/lib/api/modules/mock';
export declare interface DebugIconifyIconHTMLElement
extends IconifyIconHTMLElement {
// Internal stuff, used for debugging
_shadowRoot: ShadowRoot;
_state: IconState;
}
describe('Testing icon component with API', () => {
afterEach(async () => {
await nextTick();
cleanupGlobals();
});
it('Loading icon from API', async () => {
// Setup DOM and fake API
const doc = setupDOM('').window.document;
const provider = nextPrefix();
const prefix = nextPrefix();
fakeAPI(provider);
// Define component
const IconifyIcon = defineIconifyIcon();
expect(IconifyIcon).toBeDefined();
expect(window.customElements.get('iconify-icon')).toBeDefined();
// Create element
const node = document.createElement(
'iconify-icon'
) as DebugIconifyIconHTMLElement;
// Should be empty
expect(node._shadowRoot.innerHTML).toBe(
`${styleOpeningTag}${expectedBlock}</style>`
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);
expect(node.status).toBe('loading');
// Mock data
const name = 'mock-test';
const iconName = `@${provider}:${prefix}:${name}`;
let sendQuery: IconifyMockAPIDelayDoneCallback | undefined;
mockAPIData({
type: 'icons',
provider,
prefix,
response: {
prefix,
icons: {
[name]: {
body: '<g />',
},
},
},
delay: (next) => {
sendQuery = next;
},
});
// Set icon
node.setAttribute('icon', iconName);
expect(node.icon).toEqual(iconName);
expect(node.getAttribute('icon')).toBe(iconName);
// Should not have sent query to API yet
expect(sendQuery).toBeUndefined();
expect(node._shadowRoot.innerHTML).toBe(
`${styleOpeningTag}${expectedBlock}</style>`
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);
expect(node.status).toBe('loading');
// Wait until sendQuery is defined and send response
await awaitUntil(() => !!sendQuery);
sendQuery();
// Wait until icon exists
const iconExists = node.iconExists;
await awaitUntil(() => iconExists(iconName));
// Wait for render
await nextTick();
// Should render SVG
const blankSVG =
'<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 16 16"><g></g></svg>';
expect(node._shadowRoot.innerHTML).toBe(
`${styleOpeningTag}${expectedBlock}</style>${blankSVG}`
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);
expect(node.status).toBe('rendered');
});
it('Failing to load from API', async () => {
// Setup DOM and fake API
const doc = setupDOM('').window.document;
const provider = nextPrefix();
const prefix = nextPrefix();
fakeAPI(provider);
// Define component
const IconifyIcon = defineIconifyIcon();
expect(IconifyIcon).toBeDefined();
expect(window.customElements.get('iconify-icon')).toBeDefined();
// Create element
const node = document.createElement(
'iconify-icon'
) as DebugIconifyIconHTMLElement;
// Should be empty
expect(node._shadowRoot.innerHTML).toBe(
`${styleOpeningTag}${expectedBlock}</style>`
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);
expect(node.status).toBe('loading');
// Mock data
const name = 'mock-test';
const iconName = `@${provider}:${prefix}:${name}`;
mockAPIData({
type: 'icons',
provider,
prefix,
response: {
prefix,
icons: {},
not_found: [name],
},
});
// Set icon
node.setAttribute('icon', iconName);
expect(node.icon).toEqual(iconName);
expect(node.getAttribute('icon')).toBe(iconName);
// Should not have sent query to API yet
expect(node._shadowRoot.innerHTML).toBe(
`${styleOpeningTag}${expectedBlock}</style>`
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);
expect(node.status).toBe('loading');
// Wait until status changes
expect(node.status).toBe('loading');
await awaitUntil(() => node.status !== 'loading');
// Should fail to render
expect(node._shadowRoot.innerHTML).toBe(
`${styleOpeningTag}${expectedBlock}</style>`
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);
expect(node.status).toBe('failed');
});
});