Feat/loading animation

Loading animation for upload,signin and login scenes #35 (closed)

Test/EncryptorTest.java

+import Components.Encryptor;
+import org.junit.jupiter.api.Test;
+import static org.junit.Assert.*;
+
+public class EncryptorTest {
+
+  @Test
+  void getHash_EqualPasswords_ReturnDifferentHashes() {
+    String password = "test";
+    String hash1 = Encryptor.getHash(Encryptor.Encryptor(password, null));
+    String hash2 = Encryptor.getHash(Encryptor.Encryptor(password, null));
+
+    assertNotEquals(hash1, hash2);
+  }
+
+  @Test
+  void getSalt_Random_ReturnTwoDifferentSalts() {
+    String password = "test";
+    String salt1 = Encryptor.getSalt(Encryptor.Encryptor(password, null));
+    String salt2 = Encryptor.getSalt(Encryptor.Encryptor(password, null));
+
+    assertNotEquals(salt1, salt2);
+  }
+
+  @Test
+  void getHash_EqualPasswordAndSalt_ReturnEqualHashes() {
+    String password = "test";
+    String hash1 = Encryptor.getHash(Encryptor.Encryptor(password, "salt"));
+    String hash2 = Encryptor.getHash(Encryptor.Encryptor(password, "salt"));
+
+    assertEquals(hash1, hash2);
+  }
+}