fix: remove sonar issues

src/main/java/fr/insee/rmes/bauhaus_services/rdf_utils/RdfUtils.java

@@ -29,7 +29,7 @@ private RdfUtils(){}
 
 	static ValueFactory factory =  SimpleValueFactory.getInstance();
 
-	public static BNode createBlankNode(){ return factory.createBNode(); };
+	public static BNode createBlankNode(){ return factory.createBNode(); }
 	public static String getBaseGraph(){
 		return config.getBaseGraph();
 	}

src/main/java/fr/insee/rmes/config/keycloak/ServerZone.java

@@ -18,7 +18,7 @@ public void setZone(String zone) {
                 .filter(z->zone.toUpperCase().equals(z.name()))
                 .findFirst()
                 .orElseGet(()->{
-                    logger.warn("No zone found for value "+zone+" : this is serverZone set to default zone");
+                    logger.warn(String.format("No zone found for value {0} : this is serverZone set to default zone"), zone);
                     return Zone.defaultZone();
                 });
     }
@@ -28,7 +28,7 @@ public ServerZone(String zone) {
                 .filter(z->zone.toUpperCase().equals(z.name()))
                 .findFirst()
                 .orElseGet(()->{
-                    logger.warn("No zone found for value "+zone+" : this is serverZone set to default zone");
+                    logger.warn(String.format("No zone found for value {0} : this is serverZone set to default zone", zone));
                     return Zone.defaultZone();
                 });
     }

src/test/java/fr/insee/rmes/config/keycloak/ServerZoneTest.java

@@ -0,0 +1,52 @@
+package fr.insee.rmes.config.keycloak;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ServerZoneTest {
+
+    private ServerZone serverZone;
+
+    @BeforeEach
+    void setUp() {
+        serverZone = new ServerZone();
+    }
+
+    @Test
+    void testSetZone_withValidZone() {
+        String validZone = "INTERNE";
+
+        serverZone.setZone(validZone);
+
+        assertEquals(ServerZone.Zone.INTERNE, serverZone.zone());
+    }
+
+    @Test
+    void testSetZone_withInvalidZone_logsWarningAndSetsDefaultZone() {
+        String invalidZone = "INVALID_ZONE";
+
+        serverZone.setZone(invalidZone);
+
+        assertEquals(ServerZone.Zone.defaultZone(), serverZone.zone());
+    }
+
+    @Test
+    void testConstructor_withValidZone() {
+        String validZone = "DMZ";
+
+        ServerZone serverZone = new ServerZone(validZone);
+
+        assertEquals(ServerZone.Zone.DMZ, serverZone.zone());
+    }
+
+    @Test
+    void testConstructor_withInvalidZone_logsWarningAndSetsDefaultZone() {
+        String invalidZone = "UNKNOWN";
+
+        ServerZone serverZone = new ServerZone(invalidZone);
+
+        assertEquals(ServerZone.Zone.defaultZone(), serverZone.zone());
+    }
+}