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167 lines (134 loc) · 4.15 KB
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import {setupZoneTestEnv} from 'jest-preset-angular/setup-env/zone';
setupZoneTestEnv();
const {TextEncoder: TextEncoderMock, TextDecoder: TextDecoderMock} = require('node:util');
global.TextEncoder = TextEncoderMock;
global.TextDecoder = TextDecoderMock;
// @ts-ignore
global.document.execCommand = () => {};
// you can also pass the mock implementation
// to jest.fn as an argument
(global.window as any).IntersectionObserver = jest.fn(() => ({
observe: jest.fn(),
unobserve: jest.fn(),
disconnect: jest.fn(),
}));
// Simulate window resize events
const resizeEvent = document.createEvent('Event');
resizeEvent.initEvent('resize', true, true);
global.window.resizeTo = (width) => {
(global.window as any).innerWidth = width || global.window.innerWidth;
(global.window as any).innerHeight = width || global.window.innerHeight;
global.window.dispatchEvent(resizeEvent);
};
global.URL.createObjectURL = jest.fn(() => '');
global.URL.revokeObjectURL = jest.fn();
Object.defineProperty(global.window, 'CSS', {value: null});
Object.defineProperty(global.window, 'getComputedStyle', {
value: () => ({
display: 'none',
appearance: ['-webkit-appearance'],
}),
});
Object.defineProperty(global.document, 'doctype', {
value: '<!DOCTYPE html>',
});
Object.defineProperty(global.document.body.style, 'transform', {
value: () => ({
enumerable: true,
configurable: true,
}),
});
Object.defineProperty(global.window, 'matchMedia', {
writable: true,
value: jest.fn().mockImplementation((query) => ({
matches: false,
media: query,
onchange: null,
addListener: jest.fn(),
removeListener: jest.fn(),
addEventListener: jest.fn(),
removeEventListener: jest.fn(),
dispatchEvent: jest.fn(),
})),
});
Object.defineProperty(global.document, 'elementFromPoint', {
writable: true,
value: jest.fn().mockImplementation(() => null),
});
Object.defineProperty(global.document, 'createRange', {
writable: true,
value: () => {
const range = new Range();
range.getBoundingClientRect = () => ({
x: 0,
y: 0,
bottom: 0,
height: 0,
left: 0,
right: 0,
top: 0,
width: 0,
toJSON: () => {},
});
range.getClientRects = () => ({
item: () => null,
length: 0,
[Symbol.iterator]: jest.fn(),
});
return range;
},
});
Object.defineProperty(window, 'scrollTo', jest.fn());
Object.defineProperty(global.window, 'getComputedStyle', {
value: () => ({
getPropertyValue: (_prop: string) => '',
}),
});
global.DataTransfer = class {
private readonly data = new Map();
public setData(format: string, data: string): void {
this.data.set(format, data);
}
public getData(format: string): string {
return this.data.get(format);
}
} as unknown as typeof DataTransfer;
class TransferMockEvent {
protected dataTransfer: DataTransfer;
protected relatedTarget: EventTarget;
constructor(
protected readonly type: string,
protected readonly options: {
clipboardData: DataTransfer;
relatedTarget: EventTarget;
},
) {
this.dataTransfer = options.clipboardData;
this.relatedTarget = options.relatedTarget;
}
}
global.DragEvent = TransferMockEvent as unknown as typeof DragEvent;
global.ClipboardEvent = TransferMockEvent as unknown as typeof ClipboardEvent;
/**
* in our jest setupFilesAfterEnv file,
* however when running with ng test those
* imports are already done by angular
* resulting in duplicate imports
* and conflicts resulting in the above error
*/
if (!('Zone' in global)) {
require('zone.js');
require('zone.js/testing');
}
// @note: build empty entry point
export {};
// make custom mocks
(window as any).AnimationEvent = {};
(window as any).TransitionEvent = {};
(window as any).DragEvent = class {};
(window as any).IntersectionObserver = function () {
this.observe = () => {};
this.unobserve = () => {};
this.disconnect = () => {};
};
// ...