vijay06/projects/ngx-mask-lib/src/test/allow-negative-numbers.spec.ts

awesome ngx mask

import { ComponentFixture, TestBed } from '@angular/core/testing';
import { ReactiveFormsModule } from '@angular/forms';

import { NgxMaskModule } from '../lib/ngx-mask.module';
import { TestMaskComponent } from './utils/test-component.component';
import { equal } from './utils/test-functions.component';

describe('Directive: Mask (Allow negative numbers)', () => {
	let fixture: ComponentFixture<TestMaskComponent>;
	let component: TestMaskComponent;

	beforeEach(() => {
		TestBed.configureTestingModule({
			declarations: [TestMaskComponent],
			imports: [ReactiveFormsModule, NgxMaskModule.forRoot()],
		});
		fixture = TestBed.createComponent(TestMaskComponent);
		component = fixture.componentInstance;
		fixture.detectChanges();
	});

	it('FormControl or NgModel should not allow negative numbers (default functionality)', () => {
		component.mask = 'separator.2';
		component.thousandSeparator = ',';
		component.allowNegativeNumbers = false;
		component.dropSpecialCharacters = true;
		equal('-10,000.00', '10,000.00', fixture);

		expect(component.form.value).toBe('10000.00');

		component.form.setValue(-123456);
		equal('-123456.00', '123,456.00', fixture);
		expect(component.form.value).toBe(123456);
	});

	it('FormControl and NgModel should be filled with negative values', () => {
		component.mask = 'separator.2';
		component.thousandSeparator = ',';
		component.allowNegativeNumbers = true;
		component.dropSpecialCharacters = true;
		component.form.setValue(-123456);

		equal('-123456.00', '-123,456.00', fixture);
		expect(component.form.value).toBe(-123456);
	});
});