Upgrade to Vaadin 14

Author: javier-godoy

src/test/java/org/vaadin/ext/javier/AbstractViewTest.java

@@ -0,0 +1,87 @@
+package org.vaadin.ext.javier;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.openqa.selenium.chrome.ChromeDriver;
+
+import com.vaadin.testbench.ScreenshotOnFailureRule;
+import com.vaadin.testbench.TestBench;
+import com.vaadin.testbench.parallel.ParallelTest;
+
+/**
+ * Base class for ITs
+ * <p>
+ * The tests use Chrome driver (see pom.xml for integration-tests profile) to
+ * run integration tests on a headless Chrome. If a property {@code test.use
+ * .hub} is set to true, {@code AbstractViewTest} will assume that the
+ * TestBench test is running in a CI environment. In order to keep the this
+ * class light, it makes certain assumptions about the CI environment (such
+ * as available environment variables). It is not advisable to use this class
+ * as a base class for you own TestBench tests.
+ * <p>
+ * To learn more about TestBench, visit
+ * <a href="https://vaadin.com/docs/v10/testbench/testbench-overview.html">Vaadin TestBench</a>.
+ */
+public abstract class AbstractViewTest extends ParallelTest {
+    private static final int SERVER_PORT = 8080;
+
+    private final String route;
+
+    @Rule
+    public ScreenshotOnFailureRule rule = new ScreenshotOnFailureRule(this,
+            true);
+
+    public AbstractViewTest() {
+        this("");
+    }
+
+    protected AbstractViewTest(String route) {
+        this.route = route;
+    }
+
+    @Before
+    public void setup() throws Exception {
+        if (isUsingHub()) {
+            super.setup();
+        } else {
+            setDriver(TestBench.createDriver(new ChromeDriver()));
+        }
+        getDriver().get(getURL(route));
+    }
+
+    /**
+     * Returns deployment host name concatenated with route.
+     *
+     * @return URL to route
+     */
+    private static String getURL(String route) {
+        return String.format("http://%s:%d/%s", getDeploymentHostname(),
+                SERVER_PORT, route);
+    }
+
+    /**
+     * Property set to true when running on a test hub.
+     */
+    private static final String USE_HUB_PROPERTY = "test.use.hub";
+
+    /**
+     * Returns whether we are using a test hub. This means that the starter
+     * is running tests in Vaadin's CI environment, and uses TestBench to
+     * connect to the testing hub.
+     *
+     * @return whether we are using a test hub
+     */
+    private static boolean isUsingHub() {
+        return Boolean.TRUE.toString().equals(
+                System.getProperty(USE_HUB_PROPERTY));
+    }
+
+    /**
+     * If running on CI, get the host name from environment variable HOSTNAME
+     *
+     * @return the host name
+     */
+    private static String getDeploymentHostname() {
+        return isUsingHub() ? System.getenv("HOSTNAME") : "localhost";
+    }
+}

src/test/java/org/vaadin/ext/javier/ViewIT.java

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+package org.vaadin.ext.javier;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import com.vaadin.testbench.TestBenchElement;
+
+public class ViewIT extends AbstractViewTest {
+
+    @Test @Ignore
+    public void componentWorks() {
+        final TestBenchElement paperSlider = $("paper-slider").first();
+        // Check that paper-slider contains at least one other element, which means that
+        // is has been upgraded to a custom element and not just rendered as an empty
+        // tag
+        Assert.assertTrue(
+                paperSlider.$(TestBenchElement.class).all().size() > 0);
+    }
+}