@Test
    void verifyClientIpFingerprintFound() {
        val request = new MockHttpServletRequest();
        val response = new MockHttpServletResponse();
        request.setRemoteAddr("1.2.3.4");
        val clientInfo = ClientInfo.from(request);
        ClientInfoHolder.setClientInfo(clientInfo);
        val ex = new ClientIpDeviceFingerprintExtractor();
        assertTrue(ex.extract(RegisteredServiceTestUtils.getAuthentication(), request, response).isPresent());
    }
This is {@link ClientIpDeviceFingerprintExtractorTests}.

@author Misagh Moayyed
@since 5.3.0
support/cas-server-support-trusted-mfa/src/test/java/org/apereo/cas/trusted/authentication/storage/fingerprint/ClientIpDeviceFingerprintExtractorTests.java