private PropertyViewAttributeSpy createAttribute(
boolean withAlwaysPreInitializingView, boolean twoWayBinding) {
PropertyViewAttributeSpy viewAttribute =
new PropertyViewAttributeSpy(withAlwaysPreInitializingView);
viewAttribute.initialize(
aPropertyViewAttributeConfig(
mock(View.class), aValueModelAttribute(PROPERTY_NAME, twoWayBinding)));
return viewAttribute;
}
private void bindAttribute(boolean twoWayBinding, boolean preInitializeView) {
if (twoWayBinding)
when(bindingContext.<Integer>getPropertyValueModel(PROPERTY_NAME)).thenReturn(valueModel);
else
when(bindingContext.<Integer>getReadOnlyPropertyValueModel(PROPERTY_NAME))
.thenReturn(valueModel);
when(bindingContext.shouldPreInitializeViews()).thenReturn(preInitializeView);
if (preInitializeView) {
attribute.preInitializeView(bindingContext);
}
attribute.bindTo(bindingContext);
}
@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));
}
