// Test property not found exception
    public void test_propertyNotFound() {
        try {
            fessConfig.get("non.existent.property");
            fail("Should throw ConfigPropertyNotFoundException");
        } catch (ConfigPropertyNotFoundException e) {
            assertEquals("non.existent.property", e.getMessage());
        }
    }

    // Test isExtensionAllowed method
    /*

    }

    public void test_replaceUrl_withNonExistentSessionId() {
        final String url = "file:///home/user/";
        assertEquals(url, pathMappingHelper.replaceUrl("nonexistent", url));
    }

    public void test_replaceUrl_withEmptyList() {
        final String sessionId = "test";
        final List<PathMapping> pathMappingList = new ArrayList<PathMapping>();

    }

    @Test
    void testInitIOExceptionHandling(@TempDir Path tempDir) {
        // Test handling IOException when loading jcifs.properties
        Path nonExistentPath = tempDir.resolve("nonexistent.properties");
        System.setProperty("jcifs.properties", nonExistentPath.toString());

        // Expect no exception to be thrown, but an error logged (which we can't directly assert here)

func TestNonExistentBucketOperations(t *testing.T) {
	ExecObjectLayerTest(t, testNonExistentBucketOperations)
}

// Tests validate that bucket operation on non-existent bucket fails.
func testNonExistentBucketOperations(obj ObjectLayer, instanceType string, t TestErrHandler) {
	var opts ObjectOptions

        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"));

        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

        assertNotNull(authenticator);
        assertEquals(testAuthenticator, authenticator);
    }

    public void test_getAuthenticator_whenComponentDoesNotExist() {
        currentSsoType = "nonexistent";
        ssoManager = new SsoManager() {
            @Override
            protected String getSsoType() {
                return currentSsoType;
            }
        };

		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):

```JSON
{
  "item": "The Foo Wrestlers"
}
```

Pero si el cliente solicita `http://example.com/items/bar` (un `item_id` inexistente `"bar"`), ese cliente recibirá un código de estado HTTP de 404 (el error "no encontrado"), y un response JSON de:

```JSON
{
  "detail": "Item not found"
}
```

/// tip | Consejo

        assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_emptyPatternList() {
        // Test with empty pattern list
        Set<String> result = labelTypeHelper.getMatchedLabelValueSet("/nonexistent/path");
        assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_nullPath() {
        try {
            labelTypeHelper.getMatchedLabelValueSet(null);