FreshValueGenerator generator = new FreshValueGenerator();
    generator.addSampleInstances(String.class, ImmutableList.of("a"));
    assertThat(generator.generateFresh(String.class)).isEqualTo("a");
    assertThat(generator.generateFresh(String.class)).isEqualTo("a");
  }

  public void testAddSampleInstances_noInstance() {
    FreshValueGenerator generator = new FreshValueGenerator();

        generator = new TestThumbnailGenerator();

        // Default name should be null
        assertNull(generator.getName());

        // Set and get name
        generator.setName("test-generator");
        assertEquals("test-generator", generator.getName());

        // Change name
        generator.setName("new-name");
        assertEquals("new-name", generator.getName());
    }

    }

    // Test offer with valid generator
    @Test
    public void test_offer_withValidGenerator() {
        TestThumbnailGenerator generator = new TestThumbnailGenerator();
        generator.available = true;
        generator.target = true;
        generator.task = new Tuple3<>("generator1", "docid1", "path1");
        thumbnailManager.add(generator);

        Map<String, Object> docMap = new HashMap<>();

    assert state["/async"] == "asyncgen completed"


def test_sync_state():
    assert state["/sync"] == "generator not started"
    response = client.get("/sync")
    assert response.status_code == 200, response.text
    assert response.json() == "generator started"
    assert state["/sync"] == "generator completed"


def test_async_raise_other():
    assert state["/async_raise"] == "asyncgen raise not started"

    /** Length for directory name generation. */
    protected int directoryNameLength = 5;

    /** List of generator names. */
    protected List<String> generatorList;

    /** Map of file paths for thumbnail generation. */
    protected Map<String, String> filePathMap = new HashMap<>();

    /** The name of this thumbnail generator. */
    protected String name;

    /** Maximum number of redirects to follow. */

  public void testStringArray() {
    FreshValueGenerator generator = new FreshValueGenerator();
    String[] a1 = generator.generateFresh(String[].class);
    String[] a2 = generator.generateFresh(String[].class);
    assertFalse(a1[0].equals(a2[0]));
  }

  public void testPrimitiveArray() {
    FreshValueGenerator generator = new FreshValueGenerator();
    int[] a1 = generator.generateFresh(int[].class);

     * @param outputFile the file where the generated thumbnail will be saved
     * @return true if the thumbnail was successfully generated, false otherwise
     */
    @Override
    public boolean generate(final String thumbnailId, final File outputFile) {
        if (logger.isDebugEnabled()) {
            logger.debug("Generate Thumbnail: {}", thumbnailId);
        }

@app.get("/stream-raw", response_class=StreamingResponse)
async def stream_raw() -> AsyncIterable[str]:
    """Async generator with no internal await - would hang without checkpoint."""
    i = 0
    while True:
        yield f"item {i}\n"
        i += 1


@app.get("/stream-jsonl")
async def stream_jsonl() -> AsyncIterable[int]:
    """JSONL async generator with no internal await."""
    i = 0
    while True:
        yield i
        i += 1

For **TypeScript clients**, [Hey API](https://heyapi.dev/) is a purpose-built solution, providing an optimized experience for the TypeScript ecosystem.

You can discover more SDK generators on [OpenAPI.Tools](https://openapi.tools/#sdk).

/// tip

from collections.abc import Generator
from contextlib import contextmanager
from typing import Annotated, Any

import pytest
from fastapi import Depends, FastAPI
from fastapi.responses import StreamingResponse
from fastapi.testclient import TestClient


class Session:
    def __init__(self) -> None:
        self.data = ["foo", "bar", "baz"]
        self.open = True

    def __iter__(self) -> Generator[str, None, None]: