Add tests for ImageIconBase

src/test/java/com/josdem/jmetadata/util/ImageIconBaseTests.java

@@ -0,0 +1,36 @@
+package com.josdem.jmetadata.util;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import javax.swing.ImageIcon;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+class ImageIconBaseTests {
+
+    private static ImageIconBase imageIconBase;
+
+    @BeforeAll
+    static void init() {
+        imageIconBase = mock(ImageIconBase.class);
+    }
+
+    @Test
+    void testGetImageIcon() {
+        // Given
+        String imagePath = "path/to/image.png";
+        var expectedImageIcon = new ImageIcon(imagePath);
+        when(imageIconBase.getImageIcon()).thenReturn(expectedImageIcon);
+
+        // When
+        ImageIcon result = imageIconBase.getImageIcon();
+
+        // Then
+        assertNotNull(result);
+        assertEquals(expectedImageIcon.getDescription(), result.getDescription());
+    }
+}