Allow test to run in headless mode and add mocker for OpenBrowser

Signed-off-by: Taylor Smock <taylor.smock@kaart.com>

test/unit/org/openstreetmap/josm/plugins/mapwithai/UpdateProdTest.java

@@ -1,7 +1,6 @@
 // License: GPL. For details, see LICENSE file.
 package org.openstreetmap.josm.plugins.mapwithai;
 
-import static org.junit.Assume.assumeFalse;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -11,8 +10,11 @@ import javax.swing.JOptionPane;
 
 import org.junit.Rule;
 import org.junit.Test;
+import org.openstreetmap.josm.TestUtils;
+import org.openstreetmap.josm.plugins.mapwithai.testutils.OpenBrowserMocker;
 import org.openstreetmap.josm.spi.preferences.Config;
 import org.openstreetmap.josm.testutils.JOSMTestRules;
+import org.openstreetmap.josm.testutils.mockers.WindowMocker;
 
 /**
  * Test the update prod
@@ -25,7 +27,11 @@ public class UpdateProdTest {
 
     @Test
     public void testDoProd() {
-        assumeFalse(GraphicsEnvironment.isHeadless());
+        TestUtils.assumeWorkingJMockit();
+        new OpenBrowserMocker();
+        if (GraphicsEnvironment.isHeadless()) {
+            new WindowMocker();
+        }
         String booleanKey = "message.".concat(MapWithAIPlugin.NAME.concat(".ignore_next_version"));
         String intKey = "message.".concat(MapWithAIPlugin.NAME.concat(".ignore_next_version")).concat(".value"); // "message.MapWithAI.ignore_next_version.value";
         Config.getPref().putBoolean(booleanKey, false);

test/unit/org/openstreetmap/josm/plugins/mapwithai/testutils/OpenBrowserMocker.java

@@ -0,0 +1,23 @@
+package org.openstreetmap.josm.plugins.mapwithai.testutils;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.net.URI;
+
+import org.openstreetmap.josm.tools.CheckParameterUtil;
+import org.openstreetmap.josm.tools.Logging;
+import org.openstreetmap.josm.tools.OpenBrowser;
+
+import mockit.Mock;
+import mockit.MockUp;
+
+public class OpenBrowserMocker extends MockUp<OpenBrowser> {
+    @Mock
+    public static String displayUrl(URI uri) {
+        CheckParameterUtil.ensureParameterNotNull(uri, "uri");
+
+        Logging.debug(tr("Opening URL: {0}", uri));
+
+        return null;
+    }
+}