## Return the same input data { #return-the-same-input-data }

Here we are declaring a `UserIn` model, it will contain a plaintext password:

{* ../../docs_src/response_model/tutorial002_py310.py hl[7,9] *}

/// info

/**
 * Tests that check the end-to-end behavior of a Gradle distribution.
 * They can have a locally built Gradle distribution on their runtime classpath
 * and distributions as well as local repositories as additional test inputs
 * to test functionality that requires rea distributions (like the wrapper)
 * or separately published libraries (like the Tooling API Jar).
 */

      this.input = input;
    }

    @CanIgnoreReturnValue
    String consumeTokenIfPresent(CharMatcher matcher) {
      checkState(hasMore());
      int startPosition = position;
      position = matcher.negate().indexIn(input, startPosition);
      return hasMore() ? input.substring(startPosition, position) : input.substring(startPosition);
    }

    String consumeToken(CharMatcher matcher) {

     * <p>
     * This method uses {@link java.util.Base64.Encoder} for encoding.
     * </p>
     *
     * @param inData
     *            The data to encode
     * @return The encoded data, or an empty string if the input is null or empty
     */
    public static String encode(final byte[] inData) {
        if (ArrayUtil.isEmpty(inData)) {
            return "";
        }
        return Base64.getEncoder().encodeToString(inData);
    }

    client = TestClient(app)
    response = client.post("/model-optional-str")
    assert response.status_code == 422, response.text
    assert response.json() == {
        "detail": [
            {
                "input": None,
                "loc": ["body"],
                "msg": "Field required",
                "type": "missing",
            },
        ],
    }


@pytest.mark.parametrize(
    "path",

   *
   * <p>This method prioritizes convenience over performance: It reads the entire input into memory
   * immediately. To instead read and process lines individually, use an alternative like {@link
   * BufferedReader#lines()}.
   *
   * <p><b>Java 25+ users:</b> If the input is a {@link Reader}, you may prefer {@link

        assertEquals(flags, avFlags.getFlags(), "Flags should match the input integer");

        // Test with zero
        int zeroFlags = 0;
        AvFlags zeroAvFlags = new AvFlags(zeroFlags);
        assertNotNull(zeroAvFlags, "AvFlags object should not be null for zero flags");
        assertEquals(zeroFlags, zeroAvFlags.getFlags(), "Flags should be 0 for zero input");

        // Test with maximum integer value

     * Test that validateInputStream accepts non-null input streams.
     */
    public void test_validateInputStream_acceptsNonNullStream() {
        final InputStream in = new ByteArrayInputStream(new byte[0]);

        // Should not throw exception
        extractor.testValidateInputStream(in);
    }

    /**
     * Test that validateInputStream throws CrawlerSystemException for null input.
     */

            assertNotNull(is1, "Default input stream should not be null");
            assertNotNull(is2, "Input stream with sharing should not be null");
            assertNotNull(is3, "Input stream with full params should not be null");
            assertSame(mockInputStream, is1, "Should return expected input stream");
            assertSame(mockInputStream, is2, "Should return expected input stream");

                "type": "missing",
                "loc": ["body", "name"],
                "msg": "Field required",
                "input": {},
            },
            {
                "type": "missing",
                "loc": ["body", "price"],
                "msg": "Field required",
                "input": {},
            },
        ]
    }


def test_openapi_schema(client: TestClient):