modernisation api et test unitaire

app/src/test/java/com/example/boidelov3/data/ResultTest.java

@@ -0,0 +1,79 @@
+package com.example.boidelov3.data;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ * Tests unitaires pour la classe Result.
+ */
+public class ResultTest {
+
+    @Test
+    public void testSuccess_createsSuccessfulResult() {
+        Result<String, Exception> result = Result.success("test data");
+
+        assertTrue("Result should be success", result.isSuccess());
+        assertFalse("Result should not be failure", result.isFailure());
+        assertEquals("Data should match", "test data", result.getData());
+        assertNull("Error should be null", result.getError());
+    }
+
+    @Test
+    public void testFailure_createsFailedResult() {
+        Exception error = new Exception("test error");
+        Result<String, Exception> result = Result.failure(error);
+
+        assertFalse("Result should not be success", result.isSuccess());
+        assertTrue("Result should be failure", result.isFailure());
+        assertNull("Data should be null", result.getData());
+        assertEquals("Error should match", error, result.getError());
+    }
+
+    @Test
+    public void testGetOrNull_returnsDataWhenSuccess() {
+        Result<String, Exception> result = Result.success("test data");
+
+        assertEquals("Should return data", "test data", result.getOrNull());
+    }
+
+    @Test
+    public void testGetOrNull_returnsNullWhenFailure() {
+        Result<String, Exception> result = Result.failure(new Exception("error"));
+
+        assertNull("Should return null", result.getOrNull());
+    }
+
+    @Test
+    public void testGetOrElse_returnsDataWhenSuccess() {
+        Result<String, Exception> result = Result.success("test data");
+
+        assertEquals("Should return data", "test data", result.getOrElse("default"));
+    }
+
+    @Test
+    public void testGetOrElse_returnsDefaultWhenFailure() {
+        Result<String, Exception> result = Result.failure(new Exception("error"));
+
+        assertEquals("Should return default", "default", result.getOrElse("default"));
+    }
+
+    @Test
+    public void testWithIntegerType() {
+        Result<Integer, Exception> result = Result.success(42);
+
+        assertTrue("Should be success", result.isSuccess());
+        assertEquals(Integer.valueOf(42), result.getData());
+    }
+
+    @Test
+    public void testWithCustomException() {
+        class CustomException extends Exception {
+            public CustomException(String message) { super(message); }
+        }
+
+        Result<String, CustomException> result = Result.failure(new CustomException("custom error"));
+
+        assertTrue("Should be failure", result.isFailure());
+        assertEquals("custom error", result.getError().getMessage());
+    }
+}