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            assertEquals(0, result.processedCount(), "Empty result should have no processed POMs");
            assertEquals(0, result.modifiedCount(), "Empty result should have no modified POMs");
            assertEquals(0, result.unmodifiedCount(), "Empty result should have no unmodified POMs");
            assertEquals(0, result.errorCount(), "Empty result should have no errors");
        }

        @Test

        assertEquals(Long.valueOf(1), stats.get(EventType.AUTHENTICATION_SUCCESS), "Should have 1 authentication success event");
        assertEquals(Long.valueOf(1), stats.get(EventType.AUTHENTICATION_FAILURE), "Should have 1 authentication failure event");
        assertEquals(Long.valueOf(1), stats.get(EventType.FILE_ACCESS), "Should have 1 file access event");
    }

    @Test
    @DisplayName("Test reset statistics")

        // A simple assertion to verify that some of the constants have the expected values.
        // This confirms that the class is on the classpath and its fields are accessible.
        assertEquals("1.2.840.113554.1.2.2", KerberosConstants.KERBEROS_OID, "KERBEROS_OID should have the correct value.");
        assertEquals("5", KerberosConstants.KERBEROS_VERSION, "KERBEROS_VERSION should have the correct value.");

/// tip

Notice the autocompletion for `name` and `price`, that was defined in the FastAPI application, in the `Item` model.

///

You will have inline errors for the data that you send:

<img src="/img/tutorial/generate-clients/image04.png">

The response object will also have autocompletion:

<img src="/img/tutorial/generate-clients/image05.png">

## FastAPI App with Tags { #fastapi-app-with-tags }

In fact, in some cases, it will even have **two JSON Schemas** in OpenAPI for the same Pydantic model, for input and output, depending on if they have **default values**.

Let's see how that works and how to change it if you need to do that.

## Pydantic Models for Input and Output { #pydantic-models-for-input-and-output }

Let's say you have a Pydantic model with default values, like this one:

                "tearDownTwo should have been run before tearDownOne", false, tearDownOne.ran);
          }
        };

    SimpleTearDown tearDownTwo = new SimpleTearDown(callback);
    stack.addTearDown(tearDownTwo);

    assertEquals(false, tearDownOne.ran);
    assertEquals(false, tearDownTwo.ran);

    stack.runTearDown();

    assertEquals("tearDownOne should have run", true, tearDownOne.ran);

from your submission, but they are here to help bring them to your
attention.
-->

- Have you signed the [contributor license agreement](https://www.elastic.co/contributor-agreement)?
- Have you followed the [contributor guidelines](https://github.com/elastic/elasticsearch/blob/master/CONTRIBUTING.md)?
- If submitting code, have you built your formula locally prior to submission with `gradle check`?

But `OAuth2PasswordRequestForm` is just a class dependency that you could have written yourself, or you could have declared `Form` parameters directly.

But as it's a common use case, it is provided by **FastAPI** directly, just to make it easier.

///

### Use the form data { #use-the-form-data }

/// tip

        // When - Get a buffer
        byte[] buffer = BufferCache.getBuffer();

        // Then - Buffer should have expected size
        assertNotNull(buffer, "Buffer should not be null");
        assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, buffer.length, "Buffer should have TRANSACTION_BUF_SIZE");

        // The validation in getBuffer() ensures size is within bounds (0 < size <= 1MB)