Vault and VaultTest refactor

src/main/java/Vault.java

@@ -1,6 +1,34 @@
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.Scanner;
+
 public class Vault implements VaultInterface {
 
+    public boolean config;
+    InputStream inputS = System.in;
+    OutputStream outputS = System.out;
+
+    private void println(String output) {
+        try {
+            outputS.write((output + "\n").getBytes(StandardCharsets.UTF_8));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
     public void configure(){
+        StringBuilder sbcm = new StringBuilder();
+        Scanner scan = new Scanner(inputS);
+        config = true;
+
+        sbcm.append("Configure:\n");
+        sbcm.append("- Password length: l\n");
+        sbcm.append("- Have Capitals: h\n");
+        sbcm.append("- exit: e\n");
+
+        println(sbcm.toString());
 
     }
 

src/test/java/VaultTest.java

@@ -7,8 +7,12 @@ import java.io.ByteArrayOutputStream;
 import java.nio.charset.StandardCharsets;
 import java.util.NoSuchElementException;
 
+import static org.junit.jupiter.api.Assertions.*;
+
 public class VaultTest {
 
+    //Vault vlt = new Vault();
+
     static Vault vlt;
 
     @BeforeAll
@@ -16,11 +20,11 @@ public class VaultTest {
         vlt = new Vault();
     }
 
-   /* @BeforeEach
+    @BeforeEach
     void reset() {
-        pm.outputStream = System.out;
-        pm.inputStream = System.in;
-    }*/
+        vlt.outputS = System.out;
+        vlt.inputS = System.in;
+    }
 
     @Test
     void configure() {vlt.configure();}
@@ -37,4 +41,39 @@ public class VaultTest {
     @Test
     void loadFromJson() {vlt.loadFromJson();}
 
+    @Test
+    void openConfigureMenu() {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        vlt.inputS = getEmptyStringInputStream();
+        vlt.outputS = outputStream;
+        vlt.configure();
+        assertTrue(outputStream.toString().startsWith("Configure:"));
+    }
+
+    @Test
+    void exitConfigurationMenu(){
+        vlt.inputS = new ByteArrayInputStream("e".getBytes(StandardCharsets.UTF_8));
+        vlt.configure();
+        assertFalse(vlt.config);
+    }
+
+    @Test
+    void doNotExitConfigAfterWrongInput() {
+        vlt.inputS = new ByteArrayInputStream("__\n".getBytes(StandardCharsets.UTF_8));
+        vlt.configure();
+        assertTrue(vlt.config);
+
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        vlt.inputS = getEmptyStringInputStream();
+        vlt.outputS = outputStream;
+
+        assertThrowsExactly(NoSuchElementException.class, () -> vlt.configure());
+        assertTrue(outputStream.toString().startsWith("Configure:"));
+    }
+
+
+
+    private ByteArrayInputStream getEmptyStringInputStream() {
+        return new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8));
+    }
 }