void testJoinWithWhitespaceDelimiter() {
        String result = StringUtil.join("   ", "spaced", "out");
        assertEquals("spaced   out", result);
    }

    @Test
    @DisplayName("Should handle elements containing delimiter")
    void testJoinElementsContainingDelimiter() {
        String result = StringUtil.join(",", "a,b", "c,d", "e,f");
        assertEquals("a,b,c,d,e,f", result);
    }

    @Test

Étendons maintenant cet exemple et ajoutons plus de détails pour voir comment tester différentes parties.

### Fichier d’application **FastAPI** étendu { #extended-fastapi-app-file }

Continuons avec la même structure de fichiers qu’auparavant :

```
.
├── app
│   ├── __init__.py
│   ├── main.py
│   └── test_main.py
```

func (eDays ExpirationDays) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
	if eDays == 0 {
		return nil
	}
	return e.EncodeElement(int(eDays), startElement)
}

// ExpirationDate is a embedded type containing time.Time to unmarshal
// Date in Expiration
type ExpirationDate struct {
	time.Time
}

// UnmarshalXML parses date from Expiration and validates date format

 *
 * <p>The size of the data structure used by {@link ArrayBasedCharEscaper} is proportional to the
 * highest valued character that requires escaping. For example a replacement map containing the
 * single character '{@code \}{@code u1000}' will require approximately 16K of memory. If you need
 * to create multiple escaper instances that have the same character replacement mapping consider

            /* lastNameOffset ends up pointing to either to
             * the exact location of the filename(e.g. Win98)
             * or to the start of the entry containing the
             * filename(e.g. NT). Ahhrg! In either case the
             * lastNameOffset falls between the start of the
             * entry and the next entry.
             */

 * This processor scans for classes with the {@code @Named} annotation and creates a file
 * at {@code META-INF/maven/org.apache.maven.api.di.Inject} containing the fully qualified
 * names of these classes.
 *
 * @since 4.0.0
 */
@SupportedAnnotationTypes("org.apache.maven.api.di.Named")
@SupportedSourceVersion(SourceVersion.RELEASE_17)

    return parseUnsignedByte(string, 10);
  }

  /**
   * Returns the unsigned {@code byte} value represented by a string with the given radix.
   *
   * @param string the string containing the unsigned {@code byte} representation to be parsed.
   * @param radix the radix to use while parsing {@code string}
   * @throws NumberFormatException if the string does not contain a valid unsigned {@code byte} with

    extends AbstractMultimap<K, V> implements ListMultimap<K, V>, Serializable {
  /*
   * Order is maintained using a linked list containing all key-value pairs. In
   * addition, a series of disjoint linked lists of "siblings", each containing
   * the values for a specific key, is used to implement {@link
   * ValueForKeyIterator} in constant time.
   */

     */
    @Override
    public boolean isSigningRequired() {
        return this.server.signaturesRequired;
    }

    /**
     * Gets the server data containing negotiated server capabilities and properties.
     *
     * @return the server
     */
    public ServerData getServerData() {
        return this.server;
    }

    @Override

In Ihrem Client erhalten Sie eine JSON-Response, wie etwa:

```JSON
{
  "model_name": "alexnet",
  "message": "Deep Learning FTW!"
}
```

## Pfad-Parameter, die Pfade enthalten { #path-parameters-containing-paths }

Angenommen, Sie haben eine *Pfadoperation* mit einem Pfad `/files/{file_path}`.

Aber `file_path` soll selbst einen *Pfad* enthalten, etwa `home/johndoe/myfile.txt`.