implemented add credential functionality

src/main/java/Vault.java

@@ -12,6 +12,8 @@ public class Vault implements VaultInterface {
     public boolean hasSpecialChars;
     public boolean hasNumbers;
     public boolean credentialM;
+    public String userName;
+    public String password;
     InputStream inputS = System.in;
     OutputStream outputS = System.out;
 
@@ -72,6 +74,13 @@ public class Vault implements VaultInterface {
 
 
     public void addCredential(){
+        Scanner scan = new Scanner(inputS);
+        println("Type in username");
+        userName = scan.nextLine();
+
+        println("Type in password");
+        password = scan.nextLine();
+        //createNewCredential(userName, password);
 
     }
 

src/test/java/VaultTest.java

@@ -72,7 +72,17 @@ public class VaultTest {
     }
 
     @Test
-    void addCredentialTest() { vlt.addCredential();}
+    void addCredentialTest() {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        vlt.outputS = outputStream;
+        vlt.inputS = new ByteArrayInputStream("peter\npassword".getBytes(StandardCharsets.UTF_8));
+        vlt.addCredential();
+
+        assertTrue(outputStream.toString().contains("username"));
+        assertEquals("peter", vlt.userName);
+        assertTrue(outputStream.toString().contains("password"));
+        assertEquals("password",vlt.password);
+    }
 
     @Test
     void showCredential() {vlt.showCredential();}