@Test
public void
givenAPropertyViewAttributeWithTwoWayBinding_whenTheViewIsUpdated_thenViewShouldNotReceiveAFurtherUpdate() {
setupAndBindAttribute(TWO_WAY_BINDING, DONT_PRE_INITIALIZE_VIEW);
attribute.simulateViewUpdate(A_NEW_VALUE);
assertThat(attribute.viewUpdateNotificationCount, is(0));
}
@Test
public void
givenAPropertyViewAttributeWithTwoWayBinding_whenTheViewIsUpdated_thenValueModelShouldBeUpdated() {
setupAndBindAttribute(TWO_WAY_BINDING, DONT_PRE_INITIALIZE_VIEW);
attribute.simulateViewUpdate(A_NEW_VALUE);
assertThat(valueModel.getValue(), is(A_NEW_VALUE));
}
@Test
public void
givenATwoWayBindingViewAttributeOfAlwaysRestoreValueProperty_whenTheViewIsUpdated_thenViewShouldReceiveAnUpdateWithRestoredValue() {
attribute =
aPropertyViewAttributeSpy()
.withPreInitializeView(false)
.withTwoWaybinding(true)
.withPropertyName(PROPERTY_NAME)
.build();
valueModel = new AlwaysRestoreValueModel();
bindAttribute(TWO_WAY_BINDING, DONT_PRE_INITIALIZE_VIEW);
attribute.simulateViewUpdate(A_NEW_VALUE);
assertThat(attribute.viewUpdateNotificationCount, is(1));
assertThat(attribute.updatedValue, is(AlwaysRestoreValueModel.ALWAYS_RESTORE_VALUE));
}
