assertEquals(0, response.readDataWireFormat(buffer, 0, 100));
    }

    @Test
    @DisplayName("Methods should handle null buffer without validation")
    void testMethodsWithNullBuffer() {
        // The implementation doesn't validate null buffers
        // These methods simply return 0 without accessing the buffer

<img src="/img/python-types/image06.png">

## Les modèles Pydantic

<a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> est une bibliothèque Python pour effectuer de la validation de données.

Vous déclarez la forme de la donnée avec des classes et des attributs.

Chaque attribut possède un type.

                    "schema": {
                        "$ref": "#/components/schemas/Item"
                    }
                }
            }
        },
        "422": {
            "description": "Validation Error",
            "content": {
                "application/json": {
                    "schema": {
                        "$ref": "#/components/schemas/HTTPValidationError"
                    }
                }

   *
   * If a challenge uses the `token68` variant instead of auth params, there is exactly one
   * auth param in the challenge at key null. Invalid headers and challenges are ignored.
   * No semantic validation is done, for example that `Basic` auth must have a `realm`
   * auth param, this is up to the caller that interprets these challenges.
   */
  fun challenges(): List<Challenge> {
    return headers.parseChallenges(

  }

  /**
   * Returns the number of times an entry has been evicted. This count does not include manual
   * {@linkplain Cache#invalidate invalidations}.
   */
  public long evictionCount() {
    return evictionCount;
  }

  /**
   * Returns a new {@code CacheStats} representing the difference between this {@code CacheStats}

                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}
```

👆 🔜 🤚 ✍ ⏬, ⏮️:

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)
```

#### `RequestValidationError` 🆚 `ValidationError`

/// warning

👫 📡 ℹ 👈 👆 💪 🚶 🚥 ⚫️ 🚫 ⚠ 👆 🔜.

            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}
```

Ви отримаєте текстову версію:

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)
```

#### `RequestValidationError` проти `ValidationError`

/// warning | Увага

border-bottom-left-radius: 0;\n}\n\n.input-group:not(.has-validation) > .form-control:not(:last-child),\n.input-group:not(.has-validation) > .custom-select:not(:last-child),\n.input-group:not(.has-validation) > .custom-file:not(:last-child) .custom-file-label,\n.input-group:not(.has-validation) > .custom-file:not(:last-child) .custom-file-label::after {\n  border-top-right-radius: 0;\n  border-bottom-right-radius: 0;\n}\n\n.input-group.has-validation > .form-control:nth-last-child(n + 3),\n.input-group.has-validation...

// This file is for validation errors only, i.e., errors reported by the validate function.
// Negative test cases for errors generated earlier in the assembler's preprocess stage
// should be added to riscv64error.s.  If they are added to this file, they will prevent
// the validate function from being run and TestRISCVValidation will report missing
// errors.

TEXT validation(SB),$0

                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}
```

eine Textversion:

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)
```

#### `RequestValidationError` vs. `ValidationError`

/// warning | Achtung