# Geçmişi, Tasarımı ve Geleceği

Bir süre önce, <a href="https://github.com/fastapi/fastapi/issues/3#issuecomment-454956920" class="external-link" target="_blank">bir **FastAPI** kullanıcısı sordu</a>:

> Bu projenin geçmişi nedir? Birkaç hafta içinde hiçbir yerden harika bir şeye dönüşmüş gibi görünüyor [...]

İşte o geçmişin bir kısmı.

## Alternatifler

`TestClient` основан на <a href="https://www.python-httpx.org" class="external-link" target="_blank">HTTPX</a>, и, к счастью, мы можем использовать его (`HTTPX`) напрямую для тестирования API.

## Пример { #example }

 *
 * @author Louis Wasserman
 */
@GwtIncompatible // unnecessary
class ImmutableMapEntry<K, V> extends SimpleImmutableEntry<K, V> {
  /**
   * Creates an {@code ImmutableMapEntry} array to hold parameterized entries. The result must never
   * be upcast back to ImmutableMapEntry[] (or Object[], etc.), or allowed to escape the class.
   *

from fastapi.testclient import TestClient


class OverrideResponse(JSONResponse):
    media_type = "application/x-override"


app = FastAPI()
router_a = APIRouter()
router_a_a = APIRouter()
router_a_b_override = APIRouter()  # Overrides default class
router_b_override = APIRouter()  # Overrides default class
router_b_a = APIRouter()
router_b_a_c_override = APIRouter()  # Overrides default class again


@app.get("/")
def get_root():

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.binarycompatibility

import org.junit.jupiter.api.Test


class AlphabeticalAcceptedApiChangesTaskIntegrationTest : AbstractAcceptedApiChangesMaintenanceTaskIntegrationTest() {
    @Test
    fun `verify AlphabeticalAcceptedApiChangesTask detects misordered changes`() {
        //language=JSON

from typing import Annotated, Union

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * This package contains the core classes for CLIng (CLI "new-gen"),
 * the next generation command-line interface for Maven.
 */

package org.apache.maven.logging;

import java.io.ByteArrayOutputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.function.Consumer;

public class LoggingOutputStream extends FilterOutputStream {

    static final byte[] LINE_SEP = System.lineSeparator().getBytes();

    final EolBaos buf;
    final Consumer<String> consumer;

  }

  @VisibleForTesting
  interface RuntimeWrapper {
    void exit(int status);
  }

  @VisibleForTesting
  static final class Exiter implements UncaughtExceptionHandler {
    private static final LazyLogger logger = new LazyLogger(Exiter.class);

    private final RuntimeWrapper runtime;

    Exiter(RuntimeWrapper runtime) {
      this.runtime = runtime;
    }

    @Override

import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.Configuration;

@ExtendWith(MockitoExtension.class)
class BufferCacheImplTest {

    @Mock
    Configuration cfg;

    // Verifies constructor that accepts Configuration reads the expected values and uses them
    @Test