Package com.vaadin.tests

Class DataProviderListenersTest

java.lang.Object

com.vaadin.tests.DataProviderListenersTest

public final class DataProviderListenersTest
extends Object

Util class for testing how components with data provider handles the data provider listener on attaching/detaching and on setting a new data provider.

Method Summary

Modifier and Type	Method	Description
static <C extends com.vaadin.flow.data.provider.HasListDataView<Object, ?>> void	checkOldListenersRemovedOnComponentAttachAndDetach(C component, int expectedListenersCountAfterDataProviderSetup, int expectedListenersCountAfterComponentAttach, int[] expectedRemovedListenerIndexes, com.vaadin.flow.component.UI mockUI)	Checks the old data provider listeners of the component are removed after component attach/detach and a new ones are added.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

checkOldListenersRemovedOnComponentAttachAndDetach

public static <C extends com.vaadin.flow.data.provider.HasListDataView<Object,
?>>
void checkOldListenersRemovedOnComponentAttachAndDetach(C component,
 int expectedListenersCountAfterDataProviderSetup,
 int expectedListenersCountAfterComponentAttach,
 int[] expectedRemovedListenerIndexes,
 com.vaadin.flow.component.UI mockUI)

Checks the old data provider listeners of the component are removed after component attach/detach and a new ones are added.

Type Parameters:

C - component type

Parameters:

component - to be attached/detached

expectedListenersCountAfterDataProviderSetup - expected listeners count after setting a data provider to component

expectedListenersCountAfterComponentAttach - expected listeners count after attaching the component

expectedRemovedListenerIndexes - indexes of listeners which are supposed to be removed after attach and detach of component, index starts from 0.

mockUI - UI the component is attached to