Add tests for Picture

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

@@ -0,0 +1,85 @@
+package com.josdem.jmetadata.util;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+class PictureTest {
+
+  private File validImageFile;
+  private File invalidImageFile;
+  private BufferedImage bufferedImage;
+
+  @BeforeEach
+  void setUp() throws IOException {
+    // Create a temporary valid image file
+    validImageFile = File.createTempFile("testImage", ".jpg");
+    bufferedImage = new BufferedImage(200, 100, BufferedImage.TYPE_INT_RGB);
+    ImageIO.write(bufferedImage, "jpg", validImageFile);
+
+    // Create a temporary invalid image file
+    invalidImageFile = File.createTempFile("invalidImage", ".txt");
+  }
+
+  @Test
+  void testPictureInitialization() throws IOException {
+    var picture = new Picture(validImageFile);
+
+    assertEquals(validImageFile.getName(), picture.getName());
+    assertEquals(bufferedImage.getHeight(), picture.getImage().getHeight(null));
+    assertEquals(bufferedImage.getWidth(), picture.getImage().getWidth(null));
+  }
+
+  @Test
+  void testPictureInitializationWithInvalidImage() {
+    assertThrows(
+        IllegalArgumentException.class, () -> new Picture(invalidImageFile), "not an image");
+  }
+
+  @Test
+  void testIsProportionedImage() throws IOException {
+    var picture = new Picture(validImageFile);
+
+    assertTrue(picture.isProportionedImage());
+  }
+
+  @Test
+  void testIsNotProportionedImage() throws IOException {
+    // Create a temporary image file with different proportions
+    File disproportionedImageFile = File.createTempFile("disproportionedImage", ".jpg");
+    BufferedImage disproportionedBufferedImage =
+        new BufferedImage(300, 100, BufferedImage.TYPE_INT_RGB);
+    ImageIO.write(disproportionedBufferedImage, "jpg", disproportionedImageFile);
+
+    var picture = new Picture(disproportionedImageFile);
+
+    assertFalse(picture.isProportionedImage());
+  }
+
+  @Test
+  void testIsValidImageSize() throws IOException {
+    var picture = new Picture(validImageFile);
+
+    assertTrue(picture.isValidImageSize());
+  }
+
+  @Test
+  void testIsNotValidImageSize() throws IOException {
+    // Create a temporary image file with small size
+    File smallImageFile = File.createTempFile("smallImage", ".jpg");
+    BufferedImage smallBufferedImage = new BufferedImage(30, 30, BufferedImage.TYPE_INT_RGB);
+    ImageIO.write(smallBufferedImage, "jpg", smallImageFile);
+
+    var picture = new Picture(smallImageFile);
+
+    assertFalse(picture.isValidImageSize());
+  }
+}