Merge remote-tracking branch 'origin/master'

src/Credentials.java

@@ -7,23 +7,22 @@ public class Credentials {
 
     public Credentials(String login, String password) {
         this.hash = Helpers.getHash(password);
-        System.out.println(hash);
         this.login = login;
     }
 
     public boolean valid() {
 
         boolean usernameGiven = false;
-        String hashData;
+
 
         //iterator over file
         for (String line:
                 Helpers.readTextdatei("data/passwd.txt")) {
-            if(login == line) {
+            if(login.equals(line)) {
                 usernameGiven = true;
                 continue;
             }
-            if(usernameGiven && hash == line) {
+            if(usernameGiven && hash.equals(line)) {
                 return true;
             }
 

src/Main.java

@@ -1,5 +1,32 @@
+import java.io.InputStream;
+import java.util.Scanner;
+
 public class Main {
     public static void main(String[] args) {
-
+       if(login(System.in)) {
+           System.out.println("Hello World");
+       }
     }
-}
+
+    public static boolean login(InputStream in) {
+        Scanner s = new Scanner(in);
+
+
+        for (int i = 0; i < 3; i++) {
+            System.out.print("Benutzername: ");
+            String login = s.next();
+            System.out.print("Passwort: ");
+            String passwort = s.next();
+
+            Credentials cred = new Credentials(login, passwort);
+
+            if (cred.valid()) {
+                return true;
+            }
+
+            System.out.println("Du kommst hier nicht rein");
+        }
+        s.close();
+        return false;
+    }
+}

test/java/CredentialsTest.java

@@ -18,7 +18,13 @@ class CredentialsTest {
 
     @Test
     void validWrongData() {
-        Credentials cred = new Credentials("hofmannol", "GEHEIM123");
+        Credentials cred = new Credentials("brunoklasing", "GEHEIM123");
+        assertFalse(cred.valid());
+    }
+
+    @Test
+    void validWrongData2() {
+        Credentials cred = new Credentials("wimmerma", "GERONIMO");
         assertFalse(cred.valid());
     }
 

test/java/MainTest.java

@@ -0,0 +1,22 @@
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayInputStream;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class MainTest {
+
+    @Test
+    public void testFirstTryRight() {
+
+        //Arrange
+        byte[] bytes = "hofmannol\nGERONIMO\n".getBytes();
+        ByteArrayInputStream in = new ByteArrayInputStream(bytes);
+
+        //Act
+        boolean logged_in = Main.login(in);
+
+        assertTrue(logged_in);
+    }
+
+}