UI Unit Testing for Vaadin 8

Tatu2 · April 3, 2024, 7:53am

We have a team at Vaadin doing maintenance of Vaadin 7 and 8 under our commercial extended maintenance program. As a byproduct of the activities we have in order to keep the systems running, we have released a new experimental commercial add-on for TestBench Vaadin 8 users. This add-on makes possible to write similar UI Unit tests with Vaadin 8 as we have already in Vaadin 23 & 24 versions of TestBench.

Tatu2 · April 6, 2024, 7:11am

I have used the new tool in unit testing of the simple crud view here:

github.com

TatuLund/vaadin-create23/blob/master/vaadincreate-ui/src/test/java/org/vaadin/tatu/vaadincreate/crud/BooksViewTest.java

package org.vaadin.tatu.vaadincreate.crud;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;

import java.util.Collections;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.vaadin.tatu.vaadincreate.AbstractUITest;
import org.vaadin.tatu.vaadincreate.VaadinCreateUI;
import org.vaadin.tatu.vaadincreate.backend.ProductDataService;
import org.vaadin.tatu.vaadincreate.backend.data.Availability;

import com.vaadin.data.ValueContext;
import com.vaadin.server.ServiceException;
import com.vaadin.ui.Button;

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This should give some overview of the API and capabilities.