feat: first basic test

build.gradle

@@ -23,8 +23,11 @@ dependencies {
     // Pour pouvoir parser le JSON
     implementation 'com.google.code.gson:gson:2.8.6'
 
-    implementation 'org.hibernate:hibernate-core:5.4.30.Final'
+    // implementation 'org.hibernate:hibernate-core:5.4.30.Final'
-    implementation 'mysql:mysql-connector-java:8.0.24'
+    // implementation 'mysql:mysql-connector-java:8.0.24'
+
+    // des fonctions pratiques
+    implementation 'org.apache.commons:commons-lang3:3.0'
 
     // Pour les tests
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'

src/main/java/com/pixels/beans/Pixel.java

@@ -107,8 +107,9 @@ public class Pixel implements Serializable {
             return false;
         }
         Pixel pixel = (Pixel) o;
-        return id.equals(pixel.id) && price == pixel.price && color == pixel.color
+        return Objects.equals(id, pixel.id) && price == pixel.price && color == pixel.color
-                && description.equals(pixel.description) && owner.equals(pixel.owner);
+                && Objects.equals(description, pixel.description) && Objects.equals(owner, pixel.owner)
+                && Objects.equals(transactions, pixel.transactions);
     }
 
     @Override

src/test/java/com/pixels/beans/PixelTest.java

@@ -0,0 +1,28 @@
+package com.pixels.beans;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.apache.commons.lang3.SerializationUtils;
+
+public class PixelTest {
+
+    private static Pixel pixel;
+
+    @BeforeAll
+    public static void setUp() throws Exception {
+        pixel = new Pixel();
+        pixel.setId(123456789L);
+        pixel.setPrice(10);
+    }
+
+    @Test
+    public void beanIsSerializable() {
+        final byte[] serializedPixel = SerializationUtils.serialize(pixel);
+        final Pixel deserializedPixel = (Pixel) SerializationUtils.deserialize(serializedPixel);
+        assertEquals(pixel, deserializedPixel);
+    }
+
+}