final Map<String, Object> source = new LinkedHashMap<>();
        source.put("mixed", Arrays.asList("text", 42, true));

        final String json = new JsonIndexExportFormatter().format(source, Collections.emptySet());

        assertTrue(json.contains("\"mixed\": [\"text\", 42, true]"));
    }

    @Test
    public void test_jsonFormatter_nestedMap() {

    assert "id: 2\n" in text
    assert 'data: {"key": "value"}\n' in text

    assert ": just a comment\n" in text

    assert "retry: 5000\n" in text
    assert 'data: "retry-test"\n' in text


def test_mixed_plain_and_sse_events(client: TestClient):
    response = client.get("/items/stream-mixed")
    assert response.status_code == 200
    text = response.text

    assert "event: special\n" in text

* There should be tests testing the source example.
* Before the PR is applied, the new tests should fail.
* After applying the PR, the new tests should pass.
* Coverage should stay at 100%.
* If you see the PR makes sense, or we discussed it and considered it should be accepted, you can add commits on top of the PR to tweak it, to add docs, tests, format, refactor, remove extra files, etc.

        assertTrue(svgMimetype.matches(svgPatternCorrect));

        // Verify other common MIME types still work (no special chars)
        assertTrue("text/html".matches("text/html"));
        assertTrue("application/pdf".matches("application/pdf"));
        assertTrue("image/jpeg".matches("image/jpeg"));
        assertTrue("image/png".matches("image/png"));

import importlib
import os
from pathlib import Path

import pytest
from fastapi.testclient import TestClient

from tests.utils import needs_py310, workdir_lock


@pytest.fixture(
    name="client",
    params=[
        pytest.param("tutorial002_py310", marks=needs_py310),
        pytest.param("tutorial002_an_py310", marks=needs_py310),
    ],
)
def get_client(request: pytest.FixtureRequest):

    }

    // ========== stripHtmlTags tests ==========

    @Test
    public void test_stripHtmlTags_removesAllTags() {
        assertEquals("Hello world", client.testStripHtmlTags("<p>Hello <b>world</b></p>"));
    }

    @Test
    public void test_stripHtmlTags_handlesNestedTags() {
        assertEquals("text", client.testStripHtmlTags("<div><span><a href=\"x\">text</a></span></div>"));
    }

    @Test

    }

    // ===== Return Value Tests =====

    /**
     * Test that various return types work correctly
     */
    @Test
    public void test_evaluate_variousReturnTypes() {
        final Map<String, Object> params = new HashMap<>();

        // String
        assertEquals("text", groovyEngine.evaluate("return 'text'", params));

        // Integer

FastAPI (de hecho Starlette) incluirá automáticamente un header Content-Length. También incluirá un header Content-Type, basado en el `media_type` y añadiendo un conjunto de caracteres para tipos de texto.

{* ../../docs_src/response_directly/tutorial002_py310.py hl[1,18] *}

### `HTMLResponse` { #htmlresponse }

Toma algún texto o bytes y devuelve un response HTML, como leíste arriba.

├── stream/      # Stream utilities
├── text/        # Text processing (JSON, Tokenizer)
├── timer/       # Timer utilities
├── xml/         # XML processing
├── zip/         # ZIP file utilities
└── CoreLibConstants.java
src/test/java/   # Test classes (mirrors main structure)
```

## Development Commands

```bash
mvn test                              # Run tests
mvn test -Dtest=ClassName#methodName  # Run specific test

        assertArrayEquals(new String[] { "application/json", "text/html" }, acceptValues);
        assertArrayEquals(new String[] { "application/json", "text/html" }, acceptValuesLowercase);
        assertArrayEquals(new String[0], missingValues);
    }

    @Test
    public void testGetHeaderValueMultipleValues() {
        CurlResponse response = new CurlResponse();