vijay06/projects/ngx-mask-lib/src/test/mask.pipe.spec.ts

awesome ngx mask

import { TestBed } from '@angular/core/testing';
import { MaskApplierService } from '../lib/mask-applier.service';
import { MaskPipe } from '../lib/mask.pipe';
import { NgxMaskModule } from '../lib/ngx-mask.module';
import { IConfig } from '../lib/config';

describe('Pipe: Mask', () => {
	let maskPipe: MaskPipe;

	beforeEach(() => {
		TestBed.configureTestingModule({
			imports: [NgxMaskModule.forRoot()],
		});
	});

	beforeEach(() => {
		const service: MaskApplierService = TestBed.inject<MaskApplierService>(MaskApplierService);
		maskPipe = new MaskPipe(service);
	});

	it('should mask a string', () => {
		const maskedString: string = maskPipe.transform('abcdef', 'SS-SS-SS');

		expect(maskedString).toEqual('ab-cd-ef');
	});

	it('should mask a number', () => {
		const maskedNumber: string = maskPipe.transform(123456789, '999-999-999');

		expect(maskedNumber).toEqual('123-456-789');
	});

	it('should mask a number and string', () => {
		const maskedNumberAndString: string | number = maskPipe.transform('123abc', '09A/SAS');
		expect(maskedNumberAndString).toEqual('123/abc');
	});

	it('should custom pattern', () => {
		const patttern: IConfig['patterns'] = {
			P: {
				pattern: new RegExp('\\d'),
			},
		};
		const maskedNumber: string = maskPipe.transform(123456789, ['PPP-PP-PPP', patttern]);
		expect(maskedNumber).toEqual('123-45-678');
	});

	it('should mask a zero number', () => {
		const maskedNumberAndString: string | number = maskPipe.transform(0, '0');
		expect(maskedNumberAndString).toEqual('0');
	});

	it('should mask separator', () => {
		const value: string | number = maskPipe.transform('123123123', 'separator.0');
		expect(value).toEqual('123 123 123');
	});

	it('should mask separator with thousandSeparator .', () => {
		const value: string | number = maskPipe.transform('123123123', 'separator.0', '.');
		expect(value).toEqual('123.123.123');
	});

	it('should mask separator with thousandSeparator ,', () => {
		const value: string | number = maskPipe.transform('123123123', 'separator.0', ',');
		expect(value).toEqual('123,123,123');
	});

	it('should mask separator.2 with thousandSeparator ,', () => {
		const value: string | number = maskPipe.transform('12312312.3', 'separator.2', ',');
		expect(value).toEqual('12,312,312.3');
	});
});