### Question:
WXRefresh extends WXBaseRefresh implements WXSwipeLayout.WXOnRefreshListener { @Override public void onRefresh() { if(isDestoryed()){ return; } if (getEvents().contains(Constants.Event.ONREFRESH)) { fireEvent(Constants.Event.ONREFRESH); } } @Deprecated  WXRefresh(WXSDKInstance instance, WXVContainer parent, String instanceId, boolean isLazy, BasicComponentData basicComponentData);  WXRefresh(WXSDKInstance instance, WXVContainer parent, boolean lazy, BasicComponentData basicComponentData); @Override boolean canRecycled(); @Override void onRefresh(); @Override int getLayoutTopOffsetForSibling(); @Override void onPullingDown(float dy, int pullOutDistance, float viewHeight); @WXComponentProp(name = Constants.Name.DISPLAY) void setDisplay(String display); static final String HIDE; }### Answer:
@Test public void testOnRefresh() throws Exception { component.onRefresh(); }