## Gerenciadores de contexto { #context-managers }

### O que são "Gerenciadores de Contexto" { #what-are-context-managers }

"Gerenciadores de Contexto" são qualquer um dos objetos Python que podem ser utilizados com a declaração `with`.

* o `APIRouter`
* o `requirements.txt`
* o Bearer Token
* a alteração com quebra de compatibilidade
* o bug
* o botão
* o chamável
* o código
* o commit
* o gerenciador de contexto
* a corrotina
* a sessão do banco de dados
* o disco
* o domínio
* o mecanismo
* o X falso
* o método HTTP GET
* o item
* a biblioteca
* o lifespan
* o bloqueio
* o middleware

        DirectoryLeaseContext context = new DirectoryLeaseContext(key, leaseState, scope);

        assertEquals(key, context.getLeaseKey());
        assertEquals(leaseState, context.getLeaseState());
        assertEquals(scope, context.getCacheScope());
        assertEquals(30000L, context.getMaxCacheAge());
        assertTrue(context.isNotificationEnabled());
        assertEquals(0, context.getNotificationFilter());
    }

        @Test
        @DisplayName("Should handle null context in array")
        void testNullContextInArray() {
            CreateContextRequest[] contexts = new CreateContextRequest[4];
            contexts[0] = new MockCreateContextRequest("FIRST");
            contexts[1] = null; // Null context
            contexts[2] = new MockCreateContextRequest("THIRD");
            contexts[3] = new MockCreateContextRequest("FOURTH");

        FessConfig fessConfig = ComponentUtil.getFessConfig();
        QueryContext context1 = new QueryContext("test", true);
        QueryContext context2 = new QueryContext("test", true);

        // Using template method
        QueryBuilder result1 = queryCommand.convertWithFieldCheck(fessConfig, context1, "title", "test", 1.0f,
                (field, boost) -> QueryBuilders.matchQuery(field, "test").boost(boost),

                testEncryptionKey, testDecryptionKey);

        // When/Then - Multiple closes should be safe
        assertDoesNotThrow(() -> {
            context.close();
            context.close();
            context.close();
        });

        assertTrue(context.isClosed());
    }

        // Then
        NegotiateContextRequest[] contexts = request.getNegotiateContexts();
        assertNotNull(contexts);
        assertEquals(2, contexts.length);

        // Verify preauth context
        assertTrue(contexts[0] instanceof PreauthIntegrityNegotiateContext);
        assertEquals(PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE, contexts[0].getContextType());

        // Verify encryption context

            throw new CIFSException("Preauth integrity context is invalid for session: " + sessionId);
        }

        try {
            byte[] newHash = calculateHash(context.getCurrentHash(), messageData, context.getHashAlgorithm());
            context.updateHash(newHash);

            log.debug("Updated preauth hash for session {} with {} bytes of data", sessionId, messageData.length);

        // Context with share and at root
        SmbResourceLocatorImpl base2 = locator("smb://server/share/");
        SmbResourceLocator context2 = mock(SmbResourceLocator.class);
        when(context2.getShare()).thenReturn("share");
        when(context2.getDfsReferral()).thenReturn(null);
        when(context2.getUNCPath()).thenReturn("\\");
        when(context2.getURLPath()).thenReturn("/share/");

    @Test
    @DisplayName("Should return negotiate contexts")
    void testGetNegotiateContexts() throws Exception {
        // Given
        NegotiateContextResponse[] contexts = new NegotiateContextResponse[2];
        contexts[0] = new EncryptionNegotiateContext();
        contexts[1] = new PreauthIntegrityNegotiateContext();
        setPrivateField(response, "negotiateContexts", contexts);

        // When