added NoUserTest

src/nodash/test/NoUserTest.java

@@ -0,0 +1,97 @@
+package nodash.test;
+
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.IllegalBlockSizeException;
+
+import nodash.models.NoUser;
+
+import org.apache.commons.codec.binary.Base64;
+import org.junit.Test;
+
+public class NoUserTest {
+
+  @Test
+  public void testNoUser() {
+    NoUser user = new NoUser();
+    
+    assertNotNull(user.getNoActions());
+    assertEquals(user.getNoActions().size(), 0);
+    assertNotNull(user.getRSAPublicKey());
+    assertNotNull(user.getPublicExponent());
+    assertNotNull(user.getModulus());
+    assertEquals(user.getInfluences(), 0);
+  }
+
+  @Test
+  public void testCreateFile() {
+    NoUser user = new NoUser();
+    byte[] file = user.createFile("password".toCharArray());
+    
+    assertNotNull(file);
+    assertTrue(file.length > 0);
+    
+    byte[] secondFile = user.createFile("password".toCharArray());
+    
+    assertFalse(Arrays.equals(file, secondFile));
+  }
+
+  @Test
+  public void testCreateHash() {
+    NoUser user = new NoUser();
+    byte[] hash = user.createHash();
+    
+    assertNotNull(hash);
+    assertEquals(hash.length, 64);
+    
+    byte[] secondHash = user.createHash();
+    
+    assertTrue(Arrays.equals(hash, secondHash));
+  }
+  
+  @Test
+  public void testCreateHashString() {
+    NoUser user = new NoUser();
+    byte[] hash = user.createHash();
+    String hashString = user.createHashString();
+    
+    assertEquals(Base64.encodeBase64String(hash), hashString);
+  }
+
+  @Test
+  public void testCreateUserFromFile() {
+    NoUser user = new NoUser();
+    final byte[] originalFile = user.createFile("password".toCharArray());
+    byte[] file = originalFile;
+    byte[] hash = user.createHash();
+    String hashString = user.createHashString();
+    user = null;
+    
+    try {
+      user = NoUser.createUserFromFile(file, "wrongpassword".toCharArray());
+      fail("Should have thrown an error when given wrong password.");
+    } catch (IllegalBlockSizeException e) {
+      fail("IllegalBlockSizeException encountered.");
+    } catch (BadPaddingException e) {
+      fail("BadPaddingException encountered.");
+    } catch (ClassNotFoundException e) {
+      fail("ClassNotFoundException encountered.");
+    } catch (IOException e) {
+      fail("IOException encountered.");
+    }
+    
+    try {
+      user = NoUser.createUserFromFile(file, "password".toCharArray());
+    } catch (IllegalBlockSizeException | BadPaddingException | ClassNotFoundException | IOException e) {
+      fail("Encountered an error of type " + e.getClass().getSimpleName());
+    }
+    
+    assertTrue(Arrays.equals(hash, user.createHash()));
+    assertEquals(hashString, user.createHashString());
+  }
+
+}