Add basic test for MapWithAIProvidersPanel

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

src/main/java/org/openstreetmap/josm/plugins/mapwithai/gui/preferences/mapwithai/MapWithAIProvidersPanel.java

@@ -124,7 +124,7 @@ public class MapWithAIProvidersPanel extends JPanel {
     /** Options that were passed to the constructor */
     private final Options[] options;
 
-    private interface AreaListener {
+    protected interface AreaListener {
         void updateArea(Bounds area);
     }
 

test/unit/org/openstreetmap/josm/plugins/mapwithai/gui/preferences/mapwithai/MapWithAIProvidersPanelTest.java

@@ -0,0 +1,66 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.plugins.mapwithai.gui.preferences.mapwithai;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.lang.reflect.Field;
+
+import javax.swing.JComponent;
+import javax.swing.JPanel;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.openstreetmap.josm.data.Bounds;
+import org.openstreetmap.josm.plugins.mapwithai.gui.preferences.mapwithai.MapWithAIProvidersPanel.AreaListener;
+import org.openstreetmap.josm.plugins.mapwithai.testutils.MapWithAITestRules;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+import org.openstreetmap.josm.tools.ListenerList;
+
+/**
+ * Test class for {@link MapWithAIProvidersPanel}
+ *
+ * @author Taylor Smock
+ */
+public class MapWithAIProvidersPanelTest {
+    @Rule
+    public JOSMTestRules rule = new MapWithAITestRules().sources().wiremock().projection();
+
+    private MapWithAIProvidersPanel mapwithaiProvidersPanel;
+
+    @Before
+    public void setUp() {
+        JComponent jcomponent = new JPanel();
+        mapwithaiProvidersPanel = new MapWithAIProvidersPanel(jcomponent, MapWithAIProvidersPanel.Options.values());
+    }
+
+    /**
+     * Test method for {@link MapWithAIProvidersPanel#setCurrentBounds(Bounds)}.
+     *
+     * @throws SecurityException        If there is an issue with the security
+     *                                  manager
+     * @throws NoSuchFieldException     If there is an issue getting the field
+     *                                  (update the name!)
+     * @throws IllegalAccessException   If there is an issue with the security
+     *                                  manager
+     * @throws IllegalArgumentException If there is an issue getting the field
+     *                                  (update the test!)
+     */
+    @Test
+    public void testSetCurrentBounds()
+            throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
+        Field areaListenersField = mapwithaiProvidersPanel.getClass().getDeclaredField("areaListeners");
+        areaListenersField.setAccessible(true);
+        @SuppressWarnings("unchecked")
+        ListenerList<AreaListener> areaListeners = (ListenerList<AreaListener>) areaListenersField
+                .get(mapwithaiProvidersPanel);
+        Bounds bounds = new Bounds(0, 0, 0, 0);
+        areaListeners.addListener(b -> bounds.extend(b));
+        Bounds toSet = new Bounds(0, 0, 0.01, 0.01);
+        assertFalse(bounds.toBBox().bounds(toSet.toBBox()));
+        mapwithaiProvidersPanel.setCurrentBounds(toSet);
+        assertTrue(bounds.toBBox().bounds(toSet.toBBox()));
+    }
+
+}