Sie werden die JSON-<abbr title="Response – Antwort: Daten, die der Server zum anfragenden Client zurücksendet">Response</abbr> sehen:

```JSON
{"message": "Hello World"}
```

### Interaktive API-Dokumentation { #interactive-api-docs }

Gehen Sie als Nächstes auf <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

		_, err := rb.Write([]byte("hello"))
		if err != nil {
			t.Errorf("got error: %q; expected none", err)
		}
		rb.CloseWriter()
		_, err = rb.Write([]byte("world"))
		done <- err
		err = rb.WriteByte(0)
		done <- err
		_, err = rb.TryWrite([]byte("world"))
		done <- err
		err = rb.TryWriteByte(0)
		done <- err
	}()

	buf := make([]byte, 100)
	n, err := io.ReadFull(rb, buf)

   * response body. Call `body.source().request(1024 * 1024)` to block until either that's done, or
   * 1 MiB of response data is loaded into memory. (You could use any size here, though large values
   * risk exhausting memory.)
   *
   * This returns an empty value if the trailers are available, but have no data.
   *

They have proven to be **FastAPI Experts** by helping many others. ✨

/// tip

You could become an official FastAPI Expert too!

Just [help others with questions in GitHub](help-fastapi.md#help-others-with-questions-in-github){.internal-link target=_blank}. 🤓

///

You can see the **FastAPI Experts** for:

     |   </configuration>
     | </plugin>
     | ...
     |
     | NOTE: If you just wanted to inject this configuration whenever someone set 'target-env' to
     |       anything, you could just leave off the <value/> inside the activation-property.
     |
    <profile>
      <id>env-dev</id>

      <activation>
        <property>
          <name>target-env</name>
          <value>dev</value>

 * <p>
 * <strong>Usage Example:</strong>
 * </p>
 * <pre>
 * CachedCipher cipher = new CachedCipher();
 * cipher.setKey("mySecretKey");
 *
 * // Encrypt text
 * String encrypted = cipher.encryptText("Hello World");
 *
 * // Decrypt text
 * String decrypted = cipher.decryptText(encrypted);
 *
 * // For AES encryption
 * CachedCipher aesCipher = new CachedCipher();
 * aesCipher.setAlgorithm("AES");

              <exclude>org.apache.maven.plugin.DefaultBuildPluginManager#setMojoExecutionListeners(java.util.List)</exclude>
              <!-- could have never been used due to usage of non-export class (CoreExportsProvider) -->

                }
            }
            return buf.toString();
        }
    }

    public ArtifactVersion matchVersion(List<ArtifactVersion> versions) {
        // TODO could be more efficient by sorting the list and then moving along the restrictions in order?

        ArtifactVersion matched = null;
        for (ArtifactVersion version : versions) {
            if (containsVersion(version)) {

	// metrics is served. This value is converted into a metric name prefix
	// using `.metricPrefix()` and is added to each metric returned.
	CollectorPath collectorPath
	// List of all metric descriptors that could be returned by the loader.
	Descriptors []MetricDescriptor
	// (Optional) Extra (constant) label KV pairs to be added to each metric in
	// the group.
	ExtraLabels map[string]string

from .main import app

client = TestClient(app)


def test_text_get():
    response = client.get("/text")
    assert response.status_code == 200, response.text
    assert response.json() == "Hello World"


def test_nonexistent():
    response = client.get("/nonexistent")
    assert response.status_code == 404, response.text
    assert response.json() == {"detail": "Not Found"}


def test_path_foobar():