String run(String url) throws IOException {
  Request request = new Request.Builder()
      .url(url)
      .build();

  try (Response response = client.newCall(request).execute()) {
    return response.body().string();
  }
}
```


Post to a Server
----------------

This program posts data to a service. [Full source][post_example].

```java

In this case, you could want to document how that external API *should* look like. What *path operation* it should have, what body it should expect, what response it should return, etc.

## An app with callbacks { #an-app-with-callbacks }

Let's see all this with an example.

Imagine you develop an app that allows creating invoices.

import (
	"context"
	"fmt"
	"net/http"
	"net/url"
	"os"
	"testing"
	"time"
)

func niceError(code APIErrorCode) string {
	// Special-handle ErrNone
	if code == ErrNone {
		return "ErrNone"
	}

	return fmt.Sprintf("%s (%s)", errorCodes[code].Code, errorCodes[code].Description)
}

func TestDoesPolicySignatureMatch(t *testing.T) {
	_, fsDir, err := prepareFS(t.Context())
	if err != nil {
		t.Fatal(err)

  parsed_args = parser.parse_args()
  if not parsed_args.print and not parsed_args.xml_out_path:
    raise TypeError('`--print` or `--xml-out-path` must be specified')

  return parsed_args


def parse_log(file_path: str,
              verbose: bool = False) -> ResultDictType:
  """Finds ResultStore links, and tries to determine their status."""

          Log.d("CustomSSLSocketFactory", "old SNI: $sni")
          parameters.serverNames = mutableListOf<SNIServerName>(SNIHostName("cloudflare-dns.com"))
          sslSocket.sslParameters = parameters
        }

        return sslSocket
      }
    }

    client =
      client
        .newBuilder()
        .sslSocketFactory(CustomSSLSocketFactory(client.sslSocketFactory), client.x509TrustManager!!)

  survey.printGoogleSheet()
}

fun rest(clients: List<Client>): List<SuiteId> {
  // combine all ciphers to get these near the top
  return clients.flatMap { it.enabled }

        SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
        df.setCalendar(new GregorianCalendar());
        df.setTimeZone(RemoteSnapshotMetadata.DEFAULT_SNAPSHOT_TIME_ZONE);
        return df.format(new Date());
    }

    @Test
    void gregorianCalendarIsUsed() {
        String dateBefore = gregorianDate();

        RemoteSnapshotMetadata metadata =

    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.body_multiple_params.{request.param}")

    client = TestClient(mod.app)
    return client


def test_post_all(client: TestClient):
    response = client.put(
        "/items/5",
        json={
            "item": {
                "name": "Foo",
                "price": 50.5,

        assertEquals("\\", request.getPath());

        // Test empty path
        request.setPath("");
        assertEquals("\\", request.getPath());
    }

    @Test
    @DisplayName("Test getPath returns correct formatted path")
    void testGetPath() {
        request = new Smb2CreateRequest(mockConfig, "share\\file.txt");
        assertEquals("\\share\\file.txt", request.getPath());

		},
	},
}

func TestRemoveInternalEntries(t *testing.T) {
	isEqual := func(x, y map[string]string) bool {
		if len(x) != len(y) {
			return false
		}
		for k, v := range x {
			if u, ok := y[k]; !ok || v != u {
				return false
			}
		}
		return true
	}

	for i, test := range removeInternalEntriesTests {
		RemoveInternalEntries(test.Metadata)
		if !isEqual(test.Metadata, test.Expected) {