# JSON with Bytes as Base64 { #json-with-bytes-as-base64 }

If your app needs to receive and send JSON data, but you need to include binary data in it, you can encode it as base64.

## Base64 vs Files { #base64-vs-files }

Consider first if you can use [Request Files](../tutorial/request-files.md) for uploading binary data and [Custom Response - FileResponse](./custom-response.md#fileresponse--fileresponse-) for sending binary data, instead of encoding it in JSON.

      - name: configure aws credentials
        uses: aws-actions/configure-aws-credentials@v6
        with:
          role-to-assume: arn:aws:iam::992382829881:role/GHASecrets_gradle_all
          aws-region: "eu-central-1"
      - name: get secrets
        uses: aws-actions/aws-secretsmanager-get-secrets@v3
        with:
          secret-ids: |
            PERFORMANCE_DB_URL, gha/gradle/_all/PERFORMANCE_DB_URL

    /** The root cause exception */
    private Throwable rootCause;

    /**
     * Constructs a new TransportException with no detail message.
     */
    public TransportException() {
    }

    /**
     * Constructs a new TransportException with the specified detail message.
     *
     * @param msg the detail message
     */
    public TransportException(final String msg) {
        super(msg);

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockConfig.getTransactionBufferSize()).thenReturn(65535);
    }

    @Test
    @DisplayName("Test constructor initialization with basic parameters")
    void testConstructorBasic() {
        int fid = 0x1234;
        int securityInfo = OWNER_SECURITY_INFORMATION;

        querySecurityDesc = new NtTransQuerySecurityDesc(mockConfig, fid, securityInfo);

    /** Array of supported web protocols with colon suffix (e.g., "http:", "https:") */
    protected String[] webProtocols = StringUtil.EMPTY_STRINGS;

    /** Array of supported file protocols with colon suffix (e.g., "file:", "ftp:") */
    protected String[] fileProtocols = StringUtil.EMPTY_STRINGS;

    /**
     * Default constructor for ProtocolHelper.

You can create production applications with **FastAPI** right now (and you have probably been doing it for some time), you just have to make sure that you use a version that works correctly with the rest of your code.

## Pin your `fastapi` version { #pin-your-fastapi-version }

    }

    @Test
    public void test_getId_negativeValue() {
        // Test with negative ID value
        dictionaryItem.id = -456L;
        assertEquals(-456L, dictionaryItem.getId());
    }

    @Test
    public void test_getId_maxValue() {
        // Test with maximum Long value
        dictionaryItem.id = Long.MAX_VALUE;
        assertEquals(Long.MAX_VALUE, dictionaryItem.getId());

**FastAPI <abbr title="command line interface">CLI</abbr>** is a command line program that you can use to serve your FastAPI app, manage your FastAPI project, and more.

When you install FastAPI (e.g. with `pip install "fastapi[standard]"`), it comes with a command line program you can run in the terminal.

To run your FastAPI app for development, you can use the `fastapi dev` command:

<div class="termy">

```console

        assertEquals(expectedFree, smbInfoAllocation.getFree());
    }

    @Test
    @DisplayName("Test decode with offset")
    void testDecodeWithOffset() throws SMBProtocolDecodingException {
        // Prepare test data with offset
        byte[] buffer = new byte[30];
        int bufferIndex = 5; // Start at offset 5
        int idFileSystem = 0xFFFFFFFF;
        int sectPerAlloc = 16;

 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *