it('list distinct events', function () {
let anim = Animation.compile(null, $xml(`<group>
<animation />
<animation />
<animation on="exit" />
<animation on="exit" />
</group>`))
expect(anim._events).to.deep.equal(['', 'exit'])
})
it('should return the function for given prop', function () {
let anim = Animation.compile(null, $xml(`<group>
<animation>
<keyframe t="0" x="10" />
<keyframe t="1" x="20" />
</animation>
</group>`))
assert(anim.prop('x')({ t: 0.4 }) === 14)
})
it('should return a set of properties', function () {
let anim = Animation.compile(null, $xml(`<group>
<animation>
<keyframe t="0" x="10" />
<keyframe t="1" x="20" />
</animation>
<animation>
<keyframe t="0" y="10" />
<keyframe t="1" y="20" />
</animation>
</group>`))
expect(Array.from(anim._properties)).to.deep.equal(['x', 'y'])
})
it('should choose animation that occurs last', function () {
let anim = Animation.compile(null, $xml(`<group>
<animation on="event1">
<keyframe t="0" x="10" />
<keyframe t="1" x="20" />
</animation>
<animation on="event2">
<keyframe t="0" x="100" />
<keyframe t="1" x="200" />
</animation>
</group>`))
assert(anim.prop('x')({ event1: 0.2, event2: 0, t: 0.4 }) === 12)
assert(anim.prop('x')({ event1: 0, event2: 0.2, t: 0.4 }) === 120)
})