@DisplayName("byte[] ctor: empty token throws PACDecodingException with clear message")
    void byteArrayConstructor_emptyToken_throws() {
        // Arrange
        byte[] empty = new byte[0];

        // Act + Assert
        PACDecodingException ex = assertThrows(PACDecodingException.class, () -> new KerberosApRequest(empty, new KerberosKey[0]));
        assertTrue(ex.getMessage().contains("Empty kerberos ApReq"));
    }

    @Test

    void defaultConstructor_hasNullMessageAndCause_andDefaultStatus() {
        // Arrange & Act
        SMBSignatureValidationException ex = new SMBSignatureValidationException();

        // Assert
        assertNull(ex.getMessage(), "Default ctor should not set a message");
        assertNull(ex.getCause(), "Default ctor should not set a cause");

<setting id="org.eclipse.jdt.core.formatter.insert_space_before_semicolon" value="do not insert"/>
<setting id="org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator" value="do not insert"/>
<setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_try" value="do not insert"/>
<setting id="org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments" value="do not insert"/>

<setting id="org.eclipse.wst.jsdt.core.formatter.insert_space_after_colon_in_labeled_statement" value="insert"/>
<setting id="org.eclipse.wst.jsdt.core.formatter.blank_lines_between_type_declarations" value="0"/>
<setting id="org.eclipse.wst.jsdt.core.formatter.insert_space_after_opening_paren_in_method_declaration" value="do not insert"/>
<setting id="org.eclipse.wst.jsdt.core.formatter.insert_space_before_comma_in_enum_declarations" value="do not insert"/>

        opts.put("storeKey", "true");
        opts.put("principal", "user@EXAMPLE.COM");
        StaticJAASConfiguration cfg = new StaticJAASConfiguration(opts);

        // Act
        AppConfigurationEntry[] entries = cfg.getAppConfigurationEntry("any");
        AppConfigurationEntry e = entries[0];
        Map<String, ?> returned = e.getOptions();

        // Assert
        assertNotNull(returned, "Returned options should not be null");

            assertEquals("", domain.getAccountName());

            // User in regular domain
            SID user = new SID(buildSidT((byte) 1, ident, 10, 20, 99), jcifs.SID.SID_TYPE_USER, "MYDOM", "alice", false);
            assertEquals("MYDOM", user.getDomainName());
            assertEquals("alice", user.getAccountName());
            assertEquals("MYDOM\\alice", user.toDisplayString());
        }

        @Test

        when(mockConnection.getRequestProperty("Accept")).thenReturn("application/json");

        // Act
        ntlmConnection = new NtlmHttpURLConnection(mockConnection, mockCifsContext);

        // Assert
        assertEquals("GET", ntlmConnection.getRequestMethod());
        assertTrue(ntlmConnection.getAllowUserInteraction());
        assertTrue(ntlmConnection.getDoInput());
        assertTrue(ntlmConnection.getDoOutput());

        when(delegate.next()).thenReturn(e1, e2);

        NetServerFileEntryAdapterIterator itr = new NetServerFileEntryAdapterIterator(parent, delegate, null);

        // Act & Assert
        assertTrue(itr.hasNext(), "Should have first element ready");
        SmbResource r1 = itr.next();
        assertNotNull(r1, "First adapted resource must not be null");

## ユーザーの取得

`get_current_user` は作成した（偽物の）ユーティリティ関数を使って、 `str` としてトークンを受け取り、先ほどのPydanticの `User` モデルを返却します:

{* ../../docs_src/security/tutorial002.py hl[19:22,26:27] *}

## 現在のユーザーの注入

ですので、 `get_current_user` に対して同様に *path operation* の中で `Depends` を利用できます。

{* ../../docs_src/security/tutorial002.py hl[31] *}

Pydanticモデルの `User` として、 `current_user` の型を宣言することに注意してください。

その関数の中ですべての入力補完や型チェックを行う際に役に立ちます。

/// tip | 豆知識

{* ../../docs_src/security/tutorial002_an_py310.py hl[25] *}

## Obtener el usuario

`get_current_user` usará una función de utilidad (falsa) que creamos, que toma un token como un `str` y devuelve nuestro modelo de Pydantic `User`:

{* ../../docs_src/security/tutorial002_an_py310.py hl[19:22,26:27] *}

## Inyectar al usuario actual

Entonces ahora podemos usar el mismo `Depends` con nuestro `get_current_user` en la *path operation*: