vaadin-framework/uitest/src/main/java/com/vaadin/tests/components/window/ExecuteJavaScript.java

package com.vaadin.tests.components.window;

import com.vaadin.tests.components.AbstractTestCase;
import com.vaadin.ui.Button;
import com.vaadin.ui.LegacyWindow;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;

public class ExecuteJavaScript extends AbstractTestCase {

    @Override
    public void init() {
        final LegacyWindow mainWindow = new LegacyWindow("Test");
        setMainWindow(mainWindow);

        for (final String script : new String[] { "alert('foo');",
                "window.print()", "document.write('foo')" }) {
            VerticalLayout pl = new VerticalLayout();
            pl.setMargin(true);
            Panel p = new Panel("Example: " + script, pl);
            pl.addComponent(createScriptButton(script));
            mainWindow.addComponent(p);
        }

    }

    private Button createScriptButton(final String script) {
        Button b = new Button(script);
        b.addClickListener(event -> getMainWindow().executeJavaScript(script));

        return b;
    }

    @Override
    protected String getDescription() {
        return "Test for the Window.executeJavaScript method. Click a button to execute the javascript";
    }

    @Override
    protected Integer getTicketNumber() {
        return 3589;
    }
}