/**
* TODO: Make this work using a decent animation shadows / newer Robolectric
*
* @throws Exception
*/
@Ignore
@Test
public void onTouchUpAction_eventWhenLeftOverscrolling_smoothScrollBackToRightEnd()
throws Exception {
// Arrange
// Bring UUT to a left-overscroll state
MotionEvent moveEvent = createShortLeftMoveEvent();
when(mViewAdapter.isInAbsoluteStart()).thenReturn(false);
when(mViewAdapter.isInAbsoluteEnd()).thenReturn(true);
HorizontalOverScrollBounceEffectDecorator uut = getUUT();
uut.onTouch(mView, moveEvent);
reset(mView);
// Make the view as though it's been moved by the move event
float viewX = moveEvent.getX();
when(mView.getTranslationX()).thenReturn(viewX);
MotionEvent upEvent = createDefaultUpActionEvent();
// Act
boolean ret = uut.onTouch(mView, upEvent);
// Assert
assertTrue(ret);
verify(mView, atLeastOnce()).setTranslationX(anyFloat());
}
@Test
public void onTouchMoveAction_2ndLeftDragInRightEnd_overscrollLeftFurther() throws Exception {
// Arrange
// Bring UUT to a left-overscroll state
MotionEvent event1 = createShortLeftMoveEvent();
when(mViewAdapter.isInAbsoluteStart()).thenReturn(false);
when(mViewAdapter.isInAbsoluteEnd()).thenReturn(true);
HorizontalOverScrollBounceEffectDecorator uut = getUUT();
uut.onTouch(mView, event1);
reset(mView);
// Create 2nd left-drag event
MotionEvent event2 = createLongLeftMoveEvent();
// Act
boolean ret = uut.onTouch(mView, event2);
// Assert
float expectedTransX =
(event2.getX() - event2.getHistoricalX(0)) / DEFAULT_TOUCH_DRAG_MOVE_RATIO_FWD;
verify(mView).setTranslationX(expectedTransX);
verify(mView, never()).setTranslationY(anyFloat());
assertTrue(ret);
}
@Test
public void onTouchMoveAction_notInViewEnds_ignoreTouchEvent() throws Exception {
// Arrange
MotionEvent event = createShortRightMoveEvent();
when(mViewAdapter.isInAbsoluteStart()).thenReturn(false);
when(mViewAdapter.isInAbsoluteEnd()).thenReturn(false);
HorizontalOverScrollBounceEffectDecorator uut = getUUT();
// Act
boolean ret = uut.onTouch(mView, event);
// Assert
verify(mView, never()).setTranslationX(anyFloat());
verify(mView, never()).setTranslationY(anyFloat());
assertFalse(ret);
}
@Test
public void onTouchUpAction_eventWhenNotOverscrolled_ignoreTouchEvent() throws Exception {
// Arrange
MotionEvent event = createDefaultUpActionEvent();
when(mViewAdapter.isInAbsoluteStart()).thenReturn(true);
when(mViewAdapter.isInAbsoluteEnd()).thenReturn(true);
HorizontalOverScrollBounceEffectDecorator uut = getUUT();
// Act
boolean ret = uut.onTouch(mView, event);
// Assert
verify(mView, never()).setTranslationX(anyFloat());
verify(mView, never()).setTranslationY(anyFloat());
assertFalse(ret);
}
/**
* When over-scroll has already started (to the left in this case) and suddenly the user changes
* their mind and scrolls a bit in the other direction: <br>
* We expect the <b>touch to still be intercepted</b> in that case, and the <b>overscroll to
* remain in effect</b>.
*/
@Test
public void onTouchMoveAction_dragRightWhenLeftOverscolled_continueOverscrollingRight()
throws Exception {
// Arrange
// In left & right tests we use equal ratios to avoid the effect's under-scroll handling
final float touchDragRatioFwd = 3f;
final float touchDragRatioBck = 3f;
// Bring UUT to a left-overscroll state
when(mViewAdapter.isInAbsoluteStart()).thenReturn(false);
when(mViewAdapter.isInAbsoluteEnd()).thenReturn(true);
HorizontalOverScrollBounceEffectDecorator uut = getUUT(touchDragRatioFwd, touchDragRatioBck);
MotionEvent eventMoveLeft = createLongLeftMoveEvent();
uut.onTouch(mView, eventMoveLeft);
reset(mView);
float startTransX =
(eventMoveLeft.getX() - eventMoveLeft.getHistoricalX(0)) / touchDragRatioFwd;
when(mView.getTranslationX()).thenReturn(startTransX);
// Create the right-drag event
MotionEvent eventMoveRight = createShortRightMoveEvent();
// Act
boolean ret = uut.onTouch(mView, eventMoveRight);
// Assert
float expectedTransX =
startTransX
+ (eventMoveRight.getX() - eventMoveRight.getHistoricalX(0)) / touchDragRatioBck;
verify(mView).setTranslationX(expectedTransX);
verify(mView, never()).setTranslationY(anyFloat());
assertTrue(ret);
}
@Test
public void onTouchMoveAction_dragRightInLeftEnd_overscrollRight() throws Exception {
// Arrange
MotionEvent event = createShortRightMoveEvent();
when(mViewAdapter.isInAbsoluteStart()).thenReturn(true);
when(mViewAdapter.isInAbsoluteEnd()).thenReturn(false);
HorizontalOverScrollBounceEffectDecorator uut = getUUT();
// Act
boolean ret = uut.onTouch(mView, event);
// Assert
float expectedTransX =
(event.getX() - event.getHistoricalX(0)) / DEFAULT_TOUCH_DRAG_MOVE_RATIO_FWD;
verify(mView).setTranslationX(expectedTransX);
verify(mView, never()).setTranslationY(anyFloat());
assertTrue(ret);
}