## Responda perguntas no GitHub

Você pode acompanhar as <a href="https://github.com/fastapi/fastapi/issues" class="external-link" target="_blank">perguntas existentes</a> e tentar ajudar outros,            . 🤓

Ajudando a responder as questões de varias pessoas, você pode se tornar um [Expert em FastAPI](fastapi-people.md#especialistas){.internal-link target=_blank} oficial. 🎉

        assertNull(result);
    }

    @Test
    void testGetByNameWithNonExistentFile() {
        // Test with non-existent file
        when(mockConfig.getLmHostsFileName()).thenReturn("/non/existent/lmhosts");

        NbtAddress result = lmhosts.getByName("TEST_HOST", mockContext);

        assertNull(result);
    }

    @Test

        assertEquals("12.2.0", result.getVersion());
    }

    public void test_getArtifact_notFound() {
        Artifact result = pluginHelper.getArtifact("non-existent", "1.0.0");
        assertNull(result);
    }

    public void test_getArtifact_nullInputs() {
        assertNull(pluginHelper.getArtifact(null, "1.0.0"));

    }

    @Test
    void testGetOptionNonExistent() {
        assertNull(dcerpcBinding.getOption("nonExistent"), "Should return null for a non-existent option.");
    }

    @Test
    void testToStringWithoutOptionsAndEndpoint() {
        String expected = PROTO + ":" + SERVER + "[null]";

	}
}

func TestValidateTransitionTier(t *testing.T) {
	globalTierConfigMgr = NewTierConfigMgr()
	testCases := []struct {
		xml         []byte
		expectedErr error
	}{
		{
			// non-existent storage-class

        // Remove the child
        entry.removeChild(childName);
        assertFalse(entry.hasChild(childName));
        assertTrue(entry.hasChanges());

        // Remove non-existent child - should not change state
        entry.removeChild("nonexistent.txt");
        assertTrue(entry.hasChanges()); // Still has changes from previous removal
    }

    @Test
    public void testGetChildren() {

            manager.destroy();
        } finally {
            System.clearProperty(Constants.FESS_VAR_PATH);
        }
    }

    // Test initialization with non-existent directory
    public void test_init_nonExistentDirectory() {
        ThumbnailManager manager = new ThumbnailManager() {
            @Override
            public void init() {

     * We overload this because we want readAndXWireFormat to
     * read the parameter words and bytes. This is so when
     * commands are batched together we can recursivly call
     * readAndXWireFormat without reading the non-existent header.
     */

    @Override
    int decode(final byte[] buffer, int bufferIndex) {
        final int start = headerStart = bufferIndex;

        bufferIndex += readHeaderWireFormat(buffer, bufferIndex);

		{
			bucketName:         bucketName,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusOK,
		},
		// Test case - 2.
		// Non-existent bucket name.
		{
			bucketName:         "2333",
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusNotFound,
		},
		// Test case - 3.

		switch {
		case isSysErrNotDir(err) && !osIsNotExist(err):
			// Windows can have both isSysErrNotDir(err) and osIsNotExist(err) returning
			// true if the source file path contains an non-existent directory. In that case,
			// we want to return errFileNotFound instead, which will honored in subsequent
			// switch cases
			return errFileAccessDenied
		case isSysErrPathNotFound(err):