@include describe('kf-timeline') {
  @include it('Properly creates an animation map from a timeline map') {
    $input: (
      0ms: (
        0ms: ('.a': (background: red)),
        500ms: ('.a': (background: blue))
      ),
      2000ms: (
        0ms: ('.b': (background: purple)),
        500ms: ('.b': (background: green))
      ),
      4000ms: (
        0ms: ('.a': (background: purple)),
        500ms: ('.a': (background: green)),
        1500ms: ('.b': (background: orange))
      )
    );
    $expected-output: (
      '.a': (background: (
        0ms: red,
        500ms: blue,
        4000ms: purple,
        4500ms: green
      )),
      '.b': (background: (
        2000ms: purple,
        2500ms: green,
        5500ms: orange
      )),
      _kf-map-type: eptv,
      _kf-duration: 5500ms
    );

    @include assert-equal(
      kf-timeline($input),
      $expected-output
    );
  }

}