bankyadam / chai-calling-with Goto Github PK

it('passes with chaining methods', function() {
  class A {
    setProperty(arg) {
      this._arg = arg;
      return this;
    }

    check() {
      if (!this._arg) { throw new Error('missing property') }
      throw new Error('expected');
    }
  }

  chai.expect((new A).setProperty('value').check).when.calling.to.throw('expected');
});