package com.vaadin.tests.components.abstractcomponent; import static org.junit.Assert.assertEquals; import org.junit.Test; import com.vaadin.testbench.elements.ButtonElement; import com.vaadin.testbench.elements.LabelElement; import com.vaadin.tests.tb3.SingleBrowserTest; public class ChangeHierarchyBeforeResponseTest extends SingleBrowserTest { @Test public void testHierarchyChangeBeforeResponse() { openTestURL(); ButtonElement button = $(ButtonElement.class).first(); assertEquals( "Button caption should change by its own beforeClientResponse", "Add label to layout", button.getText()); button.click(); LabelElement label = $(LabelElement.class).all().get(1); assertEquals("Label should have been considered initial twice", "Initial count: 2", label.getText()); } }