import {RepeatPipe} from "./repeat";

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

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

  it('Should repeat string', () => {
    let result = pipe.transform('foo', [3]);
    expect(result).toEqual('foofoofoo');
  });

  it('Should repeat string with separator', () => {
    let result = pipe.transform('foo', [3, '-']);
    expect(result).toEqual('foo-foo-foo');
  });

  it('Should return the same value when there are no arguments', () => {
    let result = pipe.transform('foo');
    expect(result).toEqual('foo');
  });

  it('Should throw range exception if times count is below zero', () => {
    expect(() => { pipe.transform('foo', [-1]) }).toThrow(new RangeError());
  });
});