Feat: Added SettingsTest

helpmehelpapplication/src/test/java/ntnu/systemutvikling/team6/models/SettingsTest.java

@@ -0,0 +1,72 @@
+package ntnu.systemutvikling.team6.models;
+
+import ntnu.sytemutvikling.team6.models.Language;
+import ntnu.sytemutvikling.team6.models.Settings;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class SettingsTest {
+
+    @Test
+    void testDefaultConstructorSetsStandardValues() {
+        Settings settings = new Settings();
+
+        assertTrue(settings.isLightMode());
+        assertEquals(Language.ENGLISH, settings.getLanguage());
+        assertFalse(settings.isAnonymous());
+    }
+
+    @Test
+    void testCustomConstructorSetsValuesCorrectly() {
+        Settings settings = new Settings(false, Language.ENGLISH, true);
+
+        assertFalse(settings.isLightMode());
+        assertEquals(Language.ENGLISH, settings.getLanguage());
+        assertTrue(settings.isAnonymous());
+    }
+
+    @Test
+    void testConstructorThrowsExceptionWhenLanguageIsNull() {
+        assertThrows(IllegalArgumentException.class,
+                () -> new Settings(true, null, false));
+    }
+
+    @Test
+    void testToggleLightMode() {
+        Settings settings = new Settings(true, Language.ENGLISH, false);
+
+        settings.toggleLightMode();
+        assertFalse(settings.isLightMode());
+
+        settings.toggleLightMode();
+        assertTrue(settings.isLightMode());
+    }
+
+    @Test
+    void testToggleAnonymousMode() {
+        Settings settings = new Settings(true, Language.ENGLISH, false);
+
+        settings.toggleAnonymousMode();
+        assertTrue(settings.isAnonymous());
+
+        settings.toggleAnonymousMode();
+        assertFalse(settings.isAnonymous());
+    }
+
+    @Test
+    void testChangeLanguageSuccessfully() {
+        Settings settings = new Settings();
+
+        settings.changeLanguage(Language.ENGLISH);
+        assertEquals(Language.ENGLISH, settings.getLanguage());
+    }
+
+    @Test
+    void testChangeLanguageThrowsExceptionWhenNull() {
+        Settings settings = new Settings();
+
+        assertThrows(IllegalArgumentException.class,
+                () -> settings.changeLanguage(null));
+    }
+}