Files.createDirectories(appJava.getParent());
        Files.writeString(appJava, APP_JAVA_STRING);

        if (MimirInfuser.isMimirPresentUW()) {
            MimirInfuser.doInfuseUW(userHome);
            MimirInfuser.preseedItselfIntoInnerUserHome(userHome);
        }

        HashMap<String, String> logs = new HashMap<>();
        Parser parser = createParser();
        try (ClassWorld classWorld = createClassWorld();

    }

    @Test
    void defaultFs(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path userHome)
            throws Exception {
        invoke(cwd, userHome, List.of("verify"), List.of());
    }

    @Disabled("Enable it when fully moved to NIO2 with Path/Filesystem (ie MavenExecutionRequest)")
    @Test
    void jimFs() throws Exception {

    }

    @Test
    void defaultFs(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path userHome)
            throws Exception {
        invoke(cwd, userHome, List.of("verify"), List.of());
    }

    @Disabled("Enable it when fully moved to NIO2 with Path/Filesystem (ie MavenExecutionRequest)")
    @Test
    void jimFs() throws Exception {

          <systemPropertyVariables>
            <maven.home>${basedir}/src/test/resources/mavenHome</maven.home>
            <userHome>${basedir}/src/test/resources/userHome</userHome>
            <userDir>${basedir}/src/test/resources/userDir</userDir>
          </systemPropertyVariables>
        </configuration>
      </plugin>
    </plugins>
  </build>

    default String getLdapSecurityPrincipal(final String username) {
        final String value;
        final int maxLength = getLdapMaxUsernameLengthAsInteger();
        if (username == null) {
            value = StringUtil.EMPTY;
        } else if (maxLength >= 0 && username.length() > maxLength) {
            value = LdapUtil.escapeValue(username.substring(0, maxLength));
        } else {

        String username = null;
        FessUserNotFoundException exception = new FessUserNotFoundException(username);

        assertNotNull(exception);
        assertEquals("User is not found: null", exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withSpecialCharacters() {
        // Test with username containing special characters

    public void update(final User user) {
        final String username = user.getName();
        final String password = user.getOriginalPassword();
        changePassword(username, password);
    }

    @Override
    public void delete(final User user) {
        final String username = user.getName();
        if (isTargetUser(username)) {
            executeCommand(deleteCommand, username, StringUtil.EMPTY);
        }
    }

    * It contains the `username` and `password` sent.

{* ../../docs_src/security/tutorial006_an_py310.py hl[4,8,12] *}

When you try to open the URL for the first time (or click the "Execute" button in the docs) the browser will ask you for your username and password:

<img src="/img/tutorial/security/image12.png">

## Check the username { #check-the-username }

Here's a more complete example.

oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")


class User(BaseModel):
    username: str
    email: str | None = None
    full_name: str | None = None
    disabled: bool | None = None


class UserInDB(User):
    hashed_password: str


def get_user(db, username: str):
    if username in db:
        user_dict = db[username]
        return UserInDB(**user_dict)


def fake_decode_token(token):

def get_password_hash(password):
    return password_hash.hash(password)


def get_user(db, username: str):
    if username in db:
        user_dict = db[username]
        return UserInDB(**user_dict)


def authenticate_user(fake_db, username: str, password: str):
    user = get_user(fake_db, username)
    if not user:
        verify_password(password, DUMMY_HASH)
        return False