build.gradle

 plugins {
+    id 'java'
     id 'application'
-    id "org.openjfx.javafxplugin" version "0.0.13"
+    id "org.openjfx.javafxplugin" version "0.0.14"
 }
 
+group 'M2_BIO_INFO'
+version '1.0-SNAPSHOT'
+
 javafx {
-    version = "17"
+    version = "20"
     modules = [ 'javafx.controls', 'javafx.fxml' ]
 }
 
@@ -12,16 +16,21 @@ repositories {
     mavenCentral()
 }
 
-dependencies {
-    testImplementation('org.junit.jupiter:junit-jupiter-api:5.9.0',
-            'org.assertj:assertj-core:3.23.1')
-    testRuntimeOnly('org.junit.jupiter:junit-jupiter-engine:5.9.0')
-}
-
 test {
     useJUnitPlatform()
 }
 
+dependencies {
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher") {
+        because("Only needed to run tests in a version of IntelliJ IDEA that bundles older versions")
+    }
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+    testImplementation("org.assertj:assertj-core:3.24.2")
+    testImplementation("org.junit.jupiter:junit-jupiter:5.10.0")
+}
+
+
+
 application {
-    mainClassName = "Main"
+    mainClass.set("Main")
 }

gradle/wrapper/gradle-wrapper.properties

 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/ByteGrayColor.java

@@ -10,6 +10,8 @@ public class ByteGrayColor implements GrayColor {
     private static final int MAXIMUM_GRAY_LEVEL = 255;
     private static final int OPACITY = 1;
 
+    // TODO : add static ByteGrayColors WHITE and BLACK
+
     private final int grayLevel;
 
 
@@ -51,7 +53,7 @@ public class ByteGrayColor implements GrayColor {
         if (this == o) return true;
         if (this.getClass() != o.getClass()) return false;
         ByteGrayColor color = (ByteGrayColor) o;
-        return this.compareTo(color) == 0;
+        return grayLevel == color.grayLevel;
     }
 
 }

src/test/java/ByteGrayColorTest.java

+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.*;
 
 public class ByteGrayColorTest {
   @Test
+  @Disabled
   public void testGetLuminosity_whenColorCreatedWithGrayLevel(){
     ByteGrayColor black = new ByteGrayColor(0);
     ByteGrayColor white = new ByteGrayColor(255);
@@ -12,6 +14,7 @@ public class ByteGrayColorTest {
   }
 
   @Test
+  @Disabled
   public void testGetLuminosity_whenColorCreatedWithLuminosity(){
     ByteGrayColor color1 = new ByteGrayColor(.25);
     ByteGrayColor color2 = new ByteGrayColor(.75);
@@ -20,6 +23,7 @@ public class ByteGrayColorTest {
   }
 
   @Test
+  @Disabled
   public void testCompareTo_whenColorsCreatedWithGrayLevel(){
     ByteGrayColor color1 = new ByteGrayColor(100);
     ByteGrayColor color2 = new ByteGrayColor(150);
@@ -34,6 +38,7 @@ public class ByteGrayColorTest {
   }
 
   @Test
+  @Disabled
   public void testCompareTo_whenColorsCreatedWithLuminosity(){
     ByteGrayColor color1 = new ByteGrayColor(0.20);
     ByteGrayColor color2 = new ByteGrayColor(0.60);
@@ -48,6 +53,7 @@ public class ByteGrayColorTest {
   }
 
   @Test
+  @Disabled
   public void testCompareTo_whenColorsCreatedWithLuminosityAndGrayLevel(){
     ByteGrayColor color1 = new ByteGrayColor(0.);
     ByteGrayColor color2 = new ByteGrayColor(150);

src/test/java/MatrixGrayImageTest.java

+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.*;
-import static org.assertj.core.api.Assertions.assertThat;
 
 class MatrixGrayImageTest {
 
     @Test
+    @Disabled
     void testGetWidth() {
         assertThat(new MatrixGrayImage(0,0).getWidth()).isEqualTo(0);
         assertThat(new MatrixGrayImage(10,20).getWidth()).isEqualTo(10);
@@ -13,6 +14,7 @@ class MatrixGrayImageTest {
     }
 
     @Test
+    @Disabled
     void testGetHeight() {
         assertThat(new MatrixGrayImage(0,0).getHeight()).isEqualTo(0);
         assertThat(new MatrixGrayImage(10,20).getHeight()).isEqualTo(20);
@@ -20,6 +22,7 @@ class MatrixGrayImageTest {
     }
 
     @Test
+    @Disabled
     void testGetPixel_whenPixelHasBeenSet() {
         GrayColor grey1 = new ByteGrayColor(0.2);
         GrayColor grey2 = new ByteGrayColor(0.8);