import { UpperfirstPipe } from './upperfirst-pipe';

describe('UpperfirstPipe', () => {
  let pipe: UpperfirstPipe;

  beforeEach(() => {
    pipe = new UpperfirstPipe();
  });

  it('create an instance', () => {
    const pipe = new UpperfirstPipe();
    expect(pipe).toBeTruthy();
  });

  it('should uppercase only the first letter on a string', () => {
    const unformattedString = "today is a great day";
    const expectedString = "Today is a great day";
    expect(pipe.transform(unformattedString)).toBe(expectedString);
  });

});