repeat.pipe.spec.ts

import { RepeatPipe } from './repeat.pipe';

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

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

  it('Should do nothing', () => {
    expect(pipe.transform('a', 1, '')).toEqual('a');
  });

  it('Should do nothing #2', () => {
    expect(pipe.transform('a', 0, '')).toEqual('a');
  });

  it('Should repeat two times', () => {
    expect(pipe.transform('a', 2, '')).toEqual('aa');
  });

  it('Should repeat two times with space', () => {
    expect(pipe.transform('a', 2, ' ')).toEqual('a a');
  });

  it('Should return the value unchanged', () => {
    expect(pipe.transform(1, null)).toEqual(1);
  });
});