"/model-with-tuple/": {
                "post": {
                    "summary": "Post Model With Tuple",
                    "operationId": "post_model_with_tuple_model_with_tuple__post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/ItemGroup"}
                            }

from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

media_type = "application/vnd.api+json"


# NOTE: These are not valid JSON:API resources
# but they are fine for testing requestBody with custom media_type
class Product(BaseModel):
    name: str
    price: float


class Shop(BaseModel):
    name: str


@app.post("/products")

        "paths": {
            "/files/": {
                "post": {
                    "summary": "Create File",
                    "operationId": "create_file_files__post",
                    "requestBody": {
                        "content": {
                            "multipart/form-data": {
                                "schema": {

| MediaType.parse(String)             | String.toMediaTypeOrNull()      |
| RequestBody.create(ByteArray)       | ByteArray.toRequestBody()       |
| RequestBody.create(ByteString)      | ByteString.toRequestBody()      |
| RequestBody.create(File)            | File.asRequestBody()            |
| RequestBody.create(String)          | String.toRequestBody()          |

            "/with-duplicates": {
                "post": {
                    "summary": "With Duplicates",
                    "operationId": "with_duplicates_with_duplicates_post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/Item"}
                            }

          = MediaType.parse("text/x-markdown; charset=utf-8");

      private final OkHttpClient client = new OkHttpClient();

      public void run() throws Exception {
        RequestBody requestBody = new RequestBody() {
          @Override public MediaType contentType() {
            return MEDIA_TYPE_MARKDOWN;
          }

          @Override public void writeTo(BufferedSink sink) throws IOException {

        "paths": {
            "/files/": {
                "post": {
                    "summary": "Create Files",
                    "operationId": "create_files_files__post",
                    "requestBody": {
                        "content": {
                            "multipart/form-data": {
                                "schema": {

import java.io.IOException;
import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public final class PostForm {
  private final OkHttpClient client = new OkHttpClient();

  public void run() throws Exception {
    RequestBody formBody = new FormBody.Builder()
        .add("search", "Jurassic Park")
        .build();

 * limitations under the License.
 */
package okhttp3.recipes;

import java.io.IOException;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public final class PostString {
  public static final MediaType MEDIA_TYPE_MARKDOWN
      = MediaType.get("text/x-markdown; charset=utf-8");

import kotlin.test.assertFailsWith
import okhttp3.Headers.Companion.headersOf
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.asRequestBody
import okhttp3.RequestBody.Companion.toRequestBody
import okio.Buffer
import okio.ByteString.Companion.encodeUtf8
import org.junit.jupiter.api.Test

class RequestTest {
  @Test
  fun constructor() {