diff --git a/app/src/main/java/lightcontainer/storage/JsonAdapter.java b/app/src/main/java/lightcontainer/storage/JsonAdapter.java
index 076b079..831b0f1 100644
--- a/app/src/main/java/lightcontainer/storage/JsonAdapter.java
+++ b/app/src/main/java/lightcontainer/storage/JsonAdapter.java
@@ -92,8 +92,8 @@ public class JsonAdapter implements Adapter {
             return this.appData;
         } catch (JsonParseException parseException) {
             System.out.println("[FFE] : Error while loading configuration file"); //TODO - changer en log
+            return null;
         }
-        return null;
     }
 
     private void getUsers(JsonArray jsonUsers, List<User> users) {
diff --git a/app/src/main/java/lightcontainer/storage/Repository.java b/app/src/main/java/lightcontainer/storage/Repository.java
index d6f12bc..3ea0ac6 100644
--- a/app/src/main/java/lightcontainer/storage/Repository.java
+++ b/app/src/main/java/lightcontainer/storage/Repository.java
@@ -10,8 +10,6 @@ import java.nio.file.StandardOpenOption;
 
 public class Repository {
 
-    //static final String CONFIG_FILE_PATH = "../../resources/config.json";
-
     static void save(String filePath, Adapter adapter) {
         if (filePath != null) {
             String jsonAppData = adapter.toString();
@@ -24,12 +22,12 @@ public class Repository {
         }
     }
 
-    AppData load(String filePath, Adapter adapter) {
+    static AppData load(String filePath, Adapter adapter) {
         String jsonString = readFile(filePath);
         return adapter.fromString(jsonString);
     }
 
-    static private String readFile(String filePath) {
+    private static String readFile(String filePath) {
         StringBuilder builder = new StringBuilder();
         try (BufferedReader reader = Files.newBufferedReader(Paths.get(filePath).toAbsolutePath(), StandardCharsets.UTF_8)) {
             while (reader.ready()) {
diff --git a/app/src/test/java/lightcontainer/storage/RepositoryTests.java b/app/src/test/java/lightcontainer/storage/RepositoryTests.java
index 0fa557a..ed90a68 100644
--- a/app/src/test/java/lightcontainer/storage/RepositoryTests.java
+++ b/app/src/test/java/lightcontainer/storage/RepositoryTests.java
@@ -30,7 +30,7 @@ public class RepositoryTests {
 
     @Test
     public void save() {
-        //GIVEN an AppData instance, a JsonAdapter and a Repository
+        //GIVEN an AppData instance and a Json Adapter
         AppData appData = AppData.getInstance();
         AppConfig appConfig = AppConfig.getInstance();
         appConfig.setUnicastPort(32000);
@@ -53,4 +53,19 @@ public class RepositoryTests {
         //THEN
         assertTrue(Files.exists(Paths.get("src/test/resources/test.json").toAbsolutePath()));
     }
+
+    @Test
+    public void load() {
+        //GIVEN a test json file loadTest.json
+        JsonAdapter jsonAdapter = new JsonAdapter(null);
+        //WHEN repository calls load method
+        AppData appData = Repository.load("src/test/resources/loadTest.json", jsonAdapter);
+        //THEN
+        assertNotNull(appData.getAppConfig());
+        assertEquals("My network interface", appData.getAppConfig().getNetworkInterface());
+        assertEquals(32000, appData.getAppConfig().getUnicastPort());
+        assertEquals("224.25.0.1", appData.getAppConfig().getMulticastIp());
+        assertEquals(15502, appData.getAppConfig().getMulticastPort());
+        assertFalse(appData.getAppConfig().isTls());
+    }
 }
diff --git a/app/src/test/resources/loadTest.json b/app/src/test/resources/loadTest.json
new file mode 100644
index 0000000..f06f3af
--- /dev/null
+++ b/app/src/test/resources/loadTest.json
@@ -0,0 +1,24 @@
+{
+  "unicast_port": 32000,
+  "multicast_ip": "224.25.0.1",
+  "multicast_port": 15502,
+  "network_interface": "My network interface",
+  "tls": false,
+  "users": [
+    {
+      "name": "User1",
+      "password": "Password",
+      "aes_key": "djdjjdj",
+      "files": [
+        {
+          "name": "File1",
+          "size": 15,
+          "iv": "8d8d8d8d",
+          "storage": [
+            "StorBackEnd1"
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file