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import { ReflectiveInjector } from '@angular/core';
import { NumbersLettersUnderscoreValidator } from './numbersLettersUnderscore.validator';
describe('Numbers letters underscore validator', () => {
let injector;
let service: NumbersLettersUnderscoreValidator;
beforeEach(() => {
let injector = ReflectiveInjector.resolveAndCreate([
NumbersLettersUnderscoreValidator
]);
service = injector.get(NumbersLettersUnderscoreValidator);
});
describe('#valid', () => {
it("'legal' should return null", ()=> {
let legalVal: string = "legal";
let result = NumbersLettersUnderscoreValidator.valid(legalVal);
expect(result).toBeNull();
});
it("'illegal' should return object with invalidNumberLettersUnderscore true", ()=> {
let illegalVal: string = "illegal-Val";
let result = NumbersLettersUnderscoreValidator.valid(illegalVal);
expect(result.invalidNumberLettersUnderscore).toBeTruthy();
});
it("'null' should return null", ()=> {
let nullVal: string = null
let result = NumbersLettersUnderscoreValidator.valid(nullVal);
expect(result).toBeNull();
});
});
});
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