def test_140_cas_remove_self_signed(self):
        """Test CAs merge """
        extra_path = PKIDATA + '/fra_w-chain.pem'

        extra = QgsAuthCertUtils.casFromFile(extra_path)
        filtered = QgsAuthCertUtils.casRemoveSelfSigned(extra)

        self.assertEqual(len(filtered), 1)
        self.assertEqual(len(extra), 2)

        self.assertTrue(extra[1].isSelfSigned())

        for c in filtered:
            self.assertFalse(c.isSelfSigned())

 def mkPEMBundle(self, client_cert, client_key, password, chain):
     return QgsPkiBundle.fromPemPaths(PKIDATA + '/' + client_cert,
                                      PKIDATA + '/' + client_key,
                                      password,
                                      QgsAuthCertUtils.certsFromFile(
                                          PKIDATA + '/' + chain
                                      ))

    def test_130_cas_merge(self):
        """Test CAs merge """
        trusted_path = PKIDATA + '/subissuer_ca_cert.pem'
        extra_path = PKIDATA + '/fra_w-chain.pem'

        trusted = QgsAuthCertUtils.casFromFile(trusted_path)
        extra = QgsAuthCertUtils.casFromFile(extra_path)
        merged = QgsAuthCertUtils.casMerge(trusted, extra)

        self.assertEqual(len(trusted), 1)
        self.assertEqual(len(extra), 2)
        self.assertEqual(len(merged), 3)

        for c in extra:
            self.assertTrue(c in merged)

        self.assertTrue(trusted[0] in merged)

    def test_120_pem_cas_from_file(self):
        """Test if CAs can be read from a pem bundle"""
        path = PKIDATA + '/fra_w-chain.pem'
        cas = QgsAuthCertUtils.casFromFile(path)

        self.assertEqual(cas[0].issuerInfo(b'CN'), ['QGIS Test Root CA'])
        self.assertEqual(cas[0].subjectInfo(b'CN'), ['QGIS Test Issuer CA'])
        self.assertEqual(cas[0].serialNumber(), b'02')
        self.assertEqual(cas[1].issuerInfo(b'CN'), ['QGIS Test Root CA'])
        self.assertEqual(cas[1].subjectInfo(b'CN'), ['QGIS Test Root CA'])
        self.assertEqual(cas[1].serialNumber(), b'01')

    def test_110_pkcs12_cas(self):
        """Test if CAs can be read from a pkcs12 bundle"""
        path = PKIDATA + '/fra_w-chain.p12'
        cas = QgsAuthCertUtils.pkcs12BundleCas(path, 'password')

        self.assertEqual(cas[0].issuerInfo(b'CN'), ['QGIS Test Root CA'])
        self.assertEqual(cas[0].subjectInfo(b'CN'), ['QGIS Test Issuer CA'])
        self.assertEqual(cas[0].serialNumber(), b'02')
        self.assertEqual(cas[1].issuerInfo(b'CN'), ['QGIS Test Root CA'])
        self.assertEqual(cas[1].subjectInfo(b'CN'), ['QGIS Test Root CA'])
        self.assertEqual(cas[1].serialNumber(), b'01')

    def test_150_verify_keychain(self):
        """Test the verify keychain function"""

        def testChain(path):

            # Test that a chain with an untrusted CA is not valid
            self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path))) > 0)

            # Test that a chain with an untrusted CA is valid when the addRootCa argument is true
            self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path), None, True)) == 0)

            # Test that a chain with an untrusted CA is not valid when the addRootCa argument is true
            # and a wrong domainis true
            self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path), 'my.wrong.domain', True)) > 0)

        testChain(PKIDATA + '/chain_subissuer-issuer-root.pem')
        testChain(PKIDATA + '/localhost_ssl_w-chain.pem')
        testChain(PKIDATA + '/fra_w-chain.pem')

        path = PKIDATA + '/localhost_ssl_w-chain.pem'

        # Test that a chain with an untrusted CA is not valid when the addRootCa argument is true
        # and a wrong domain is set
        self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path), 'my.wrong.domain', True)) > 0)

        # Test that a chain with an untrusted CA is valid when the addRootCa argument is true
        # and a right domain is set
        self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path), 'localhost', True)) == 0)

        # Test that a chain with an untrusted CA is not valid when the addRootCa argument is false
        # and a right domain is set
        self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path), 'localhost', False)) > 0)

        def testChain(path):

            # Test that a chain with an untrusted CA is not valid
            self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path))) > 0)

            # Test that a chain with an untrusted CA is valid when the addRootCa argument is true
            self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path), None, True)) == 0)

            # Test that a chain with an untrusted CA is not valid when the addRootCa argument is true
            # and a wrong domainis true
            self.assertTrue(len(QgsAuthCertUtils.validateCertChain(QgsAuthCertUtils.certsFromFile(path), 'my.wrong.domain', True)) > 0)

    def test_070_servers(self):
        # return
        ssl_cert_path = os.path.join(PKIDATA, 'localhost_ssl_cert.pem')

        ssl_cert = QgsAuthCertUtils.certsFromFile(ssl_cert_path)[0]
        msg = 'SSL server certificate is null'
        self.assertFalse(ssl_cert.isNull(), msg)

        cert_sha = QgsAuthCertUtils.shaHexForCert(ssl_cert)

        hostport = 'localhost:8443'
        config = QgsAuthConfigSslServer()
        config.setSslCertificate(ssl_cert)
        config.setSslHostPort(hostport)
        config.setSslIgnoredErrorEnums([QSslError.SelfSignedCertificate])
        config.setSslPeerVerifyMode(QSslSocket.VerifyNone)
        config.setSslPeerVerifyDepth(3)
        config.setSslProtocol(QSsl.TlsV1)

        msg = 'SSL config is null'
        self.assertFalse(config.isNull(), msg)

        msg = 'Could not store SSL config'
        self.assertTrue(self.authm.storeSslCertCustomConfig(config), msg)

        msg = 'Could not verify storage of SSL config'
        self.assertTrue(
            self.authm.existsSslCertCustomConfig(cert_sha, hostport), msg)

        msg = 'Could not verify SSL config in all configs'
        self.assertIsNotNone(self.authm.getSslCertCustomConfigs(), msg)

        msg = 'Could not retrieve SSL config'
        config2 = self.authm.getSslCertCustomConfig(cert_sha, hostport)
        """:type: QgsAuthConfigSslServer"""
        self.assertFalse(config2.isNull(), msg)

        msg = 'Certificate of retrieved SSL config does not match'
        self.assertEqual(config.sslCertificate(), config2.sslCertificate(), msg)

        msg = 'HostPort of retrieved SSL config does not match'
        self.assertEqual(config.sslHostPort(), config2.sslHostPort(), msg)

        msg = 'IgnoredErrorEnums of retrieved SSL config does not match'
        enums = config2.sslIgnoredErrorEnums()
        self.assertTrue(QSslError.SelfSignedCertificate in enums, msg)

        msg = 'PeerVerifyMode of retrieved SSL config does not match'
        self.assertEqual(config.sslPeerVerifyMode(),
                         config2.sslPeerVerifyMode(), msg)

        msg = 'PeerVerifyDepth of retrieved SSL config does not match'
        self.assertEqual(config.sslPeerVerifyDepth(),
                         config2.sslPeerVerifyDepth(), msg)

        msg = 'Protocol of retrieved SSL config does not match'
        self.assertEqual(config.sslProtocol(), config2.sslProtocol(), msg)

        # dlg = QgsAuthSslConfigDialog(None, ssl_cert, hostport)
        # dlg.exec_()

        msg = 'Could not remove SSL config'
        self.assertTrue(
            self.authm.removeSslCertCustomConfig(cert_sha, hostport), msg)

        msg = 'Could not verify removal of SSL config'
        self.assertFalse(
            self.authm.existsSslCertCustomConfig(cert_sha, hostport), msg)

    def test_060_identities(self):
        client_cert_path = os.path.join(PKIDATA, 'fra_cert.pem')
        client_key_path = os.path.join(PKIDATA, 'fra_key_w-pass.pem')
        client_key_pass = 'password'
        client_p12_path = os.path.join(PKIDATA, 'gerardus_w-chain.p12')
        client_p12_pass = 'password'

        # store regular PEM cert/key and generate config
        # noinspection PyTypeChecker
        bundle1 = QgsPkiBundle.fromPemPaths(client_cert_path, client_key_path,
                                            client_key_pass)
        bundle1_cert = bundle1.clientCert()
        bundle1_key = bundle1.clientKey()
        bundle1_ca_chain = bundle1.caChain()
        bundle1_cert_sha = bundle1.certId()

        # with open(client_key_path, 'r') as f:
        #     key_data = f.read()
        #
        # client_cert = QgsAuthCertUtils.certsFromFile(client_cert_path)[0]
        msg = 'Identity PEM certificate is null'
        self.assertFalse(bundle1_cert.isNull(), msg)

        # cert_sha = QgsAuthCertUtils.shaHexForCert(client_cert)
        #
        # client_key = QSslKey(key_data, QSsl.Rsa, QSsl.Pem,
        #                      QSsl.PrivateKey, client_key_pass)
        msg = 'Identity PEM key is null'
        self.assertFalse(bundle1_key.isNull(), msg)

        msg = 'Identity PEM certificate chain is not empty'
        self.assertEqual(len(bundle1_ca_chain), 0, msg)

        msg = "Identity PEM could not be stored in database"
        self.assertTrue(
            self.authm.storeCertIdentity(bundle1_cert, bundle1_key), msg)

        msg = "Identity PEM not found in database"
        self.assertTrue(self.authm.existsCertIdentity(bundle1_cert_sha), msg)

        config1 = QgsAuthMethodConfig()
        config1.setName('IdentityCert - PEM')
        config1.setMethod('Identity-Cert')
        config1.setConfig('certid', bundle1_cert_sha)

        msg = 'Could not store PEM identity config'
        self.assertTrue(self.authm.storeAuthenticationConfig(config1), msg)

        configid1 = config1.id()
        msg = 'Could not retrieve PEM identity config id from store op'
        self.assertIsNotNone(configid1, msg)

        config2 = QgsAuthMethodConfig()
        msg = 'Could not load PEM identity config'
        self.assertTrue(
            self.authm.loadAuthenticationConfig(configid1, config2, True),
            msg)

        # store PKCS#12 bundled cert/key and generate config
        # bundle = QgsPkcsBundle(client_p12_path, client_p12_pass)
        # noinspection PyTypeChecker
        bundle = QgsPkiBundle.fromPkcs12Paths(client_p12_path, client_p12_pass)
        bundle_cert = bundle.clientCert()
        bundle_key = bundle.clientKey()
        bundle_ca_chain = bundle.caChain()
        bundle_cert_sha = QgsAuthCertUtils.shaHexForCert(bundle_cert)

        msg = 'Identity bundle certificate is null'
        self.assertFalse(bundle_cert.isNull(), msg)

        msg = 'Identity bundle key is null'
        self.assertFalse(bundle_key.isNull(), msg)

        msg = 'Identity bundle CA chain is not correct depth'
        self.assertEqual(len(bundle_ca_chain), 3, msg)

        msg = "Identity bundle could not be stored in database"
        self.assertTrue(
            self.authm.storeCertIdentity(bundle_cert, bundle_key), msg)

        msg = "Identity bundle not found in database"
        self.assertTrue(self.authm.existsCertIdentity(bundle_cert_sha), msg)

        bundle_config = QgsAuthMethodConfig()
        bundle_config.setName('IdentityCert - Bundle')
        bundle_config.setMethod('Identity-Cert')
        bundle_config.setConfig('certid', bundle_cert_sha)

        msg = 'Could not store bundle identity config'
        self.assertTrue(
            self.authm.storeAuthenticationConfig(bundle_config), msg)

        bundle_configid = bundle_config.id()
        msg = 'Could not retrieve bundle identity config id from store op'
        self.assertIsNotNone(bundle_configid, msg)

        bundle_config2 = QgsAuthMethodConfig()
        msg = 'Could not load bundle identity config'
        self.assertTrue(
            self.authm.loadAuthenticationConfig(bundle_configid,
#.........这里部分代码省略.........

    def test_040_authorities(self):

        def rebuild_caches():
            m = 'Authorities cache could not be rebuilt'
            self.assertTrue(self.authm.rebuildCaCertsCache(), m)

            m = 'Authorities trust policy cache could not be rebuilt'
            self.assertTrue(self.authm.rebuildTrustedCaCertsCache(), m)

        def trusted_ca_certs():
            tr_certs = self.authm.getTrustedCaCerts()
            m = 'Trusted authorities cache is empty'
            self.assertIsNotNone(tr_certs, m)
            return tr_certs

        msg = 'No system root CAs'
        self.assertIsNotNone(self.authm.getSystemRootCAs())

        # TODO: add more tests
        full_chain = 'chains_subissuer-issuer-root_issuer2-root2.pem'
        full_chain_path = os.path.join(PKIDATA, full_chain)

        # load CA file authorities for later comaprison
        # noinspection PyTypeChecker
        # ca_certs = QSslCertificate.fromPath(full_chain_path)
        ca_certs = QgsAuthCertUtils.certsFromFile(full_chain_path)
        msg = 'Authorities file could not be parsed'
        self.assertIsNotNone(ca_certs, msg)

        msg = 'Authorities file parsed count is incorrect'
        self.assertEqual(len(ca_certs), 5, msg)

        # first test CA file can be set and loaded
        msg = 'Authority file path setting could not be stored'
        self.assertTrue(
            self.authm.storeAuthSetting('cafile', full_chain_path), msg)

        msg = "Authority file 'allow invalids' setting could not be stored"
        self.assertTrue(
            self.authm.storeAuthSetting('cafileallowinvalid', False), msg)

        rebuild_caches()
        trusted_certs = trusted_ca_certs()

        not_cached = any([ca not in trusted_certs for ca in ca_certs])
        msg = 'Authorities not in trusted authorities cache'
        self.assertFalse(not_cached, msg)

        # test CA file can be unset
        msg = 'Authority file path setting could not be removed'
        self.assertTrue(self.authm.removeAuthSetting('cafile'), msg)

        msg = "Authority file 'allow invalids' setting could not be removed"
        self.assertTrue(
            self.authm.removeAuthSetting('cafileallowinvalid'), msg)

        rebuild_caches()
        trusted_certs = trusted_ca_certs()

        still_cached = any([ca in trusted_certs for ca in ca_certs])
        msg = 'Authorities still in trusted authorities cache'
        self.assertFalse(still_cached, msg)

        # test CAs can be stored in database
        msg = "Authority certs could not be stored in database"
        self.assertTrue(self.authm.storeCertAuthorities(ca_certs))

        rebuild_caches()
        trusted_certs = trusted_ca_certs()

        not_cached = any([ca not in trusted_certs for ca in ca_certs])
        msg = 'Stored authorities not in trusted authorities cache'
        self.assertFalse(not_cached, msg)

    def test_170_pki_key_encoding(self):
        """Test that a DER/PEM RSA/DSA/EC keys can be opened whatever the extension is"""

        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'ptolemy_key.pem').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'ptolemy_key.der').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'ptolemy_key_pem.key').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'ptolemy_key_der.key').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_EC.pem').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_EC.der').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA.pem').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA.der').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA_crlf.pem').isNull())
        self.assertFalse(QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA_nonl.pem').isNull())
        donald_dsa = QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA.pem').toPem()
        self.assertEqual(donald_dsa, QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA.der').toPem())
        self.assertEqual(donald_dsa, QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA_crlf.pem').toPem())
        self.assertEqual(donald_dsa, QgsAuthCertUtils.keyFromFile(PKIDATA + '/' + 'donald_key_DSA_nonl.pem').toPem())

        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(self.mkPEMBundle('ptolemy_cert.pem', 'ptolemy_key.pem', 'password', 'chain_subissuer-issuer-root.pem'), True, True), [])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(self.mkPEMBundle('ptolemy_cert.pem', 'ptolemy_key.der', 'password', 'chain_subissuer-issuer-root.pem'), True, True), [])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(self.mkPEMBundle('ptolemy_cert.pem', 'ptolemy_key_pem.key', 'password', 'chain_subissuer-issuer-root.pem'), True, True), [])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(self.mkPEMBundle('ptolemy_cert.pem', 'ptolemy_key_der.key', 'password', 'chain_subissuer-issuer-root.pem'), True, True), [])

    def test_160_cert_viable(self):
        """Text the viability of a given certificate"""

        # null cert
        cert = QSslCertificate()
        self.assertFalse(QgsAuthCertUtils.certIsCurrent(cert))
        res = QgsAuthCertUtils.certViabilityErrors(cert)
        self.assertTrue(len(res) == 0)
        self.assertFalse(QgsAuthCertUtils.certIsViable(cert))

        cert.clear()
        res.clear()
        # valid cert
        cert = QgsAuthCertUtils.certFromFile(PKIDATA + '/gerardus_cert.pem')
        self.assertTrue(QgsAuthCertUtils.certIsCurrent(cert))
        res = QgsAuthCertUtils.certViabilityErrors(cert)
        self.assertTrue(len(res) == 0)
        self.assertTrue(QgsAuthCertUtils.certIsViable(cert))

        cert.clear()
        res.clear()
        # expired cert
        cert = QgsAuthCertUtils.certFromFile(PKIDATA + '/marinus_cert-EXPIRED.pem')
        self.assertFalse(QgsAuthCertUtils.certIsCurrent(cert))
        res = QgsAuthCertUtils.certViabilityErrors(cert)
        self.assertTrue(len(res) > 0)
        self.assertTrue(QSslError(QSslError.CertificateExpired, cert) in res)
        self.assertFalse(QgsAuthCertUtils.certIsViable(cert))

    def test_validate_pki_bundle(self):
        """Text the pki bundle validation"""

        # Valid bundle:
        bundle = self.mkPEMBundle('fra_cert.pem', 'fra_key.pem', 'password', 'chain_subissuer-issuer-root.pem')

        # Test valid bundle with intermediates and without trusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle), ['The root certificate of the certificate chain is self-signed, and untrusted'])
        # Test valid without intermediates
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, False), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified'])
        # Test valid with intermediates and trusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), [])

        # Wrong chain
        bundle = self.mkPEMBundle('fra_cert.pem', 'fra_key.pem', 'password', 'chain_issuer2-root2.pem')
        # Test invalid bundle with intermediates and without trusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified'])
        # Test valid without intermediates
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, False), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified'])
        # Test valid with intermediates and trusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified'])

        # Wrong key
        bundle = self.mkPEMBundle('fra_cert.pem', 'ptolemy_key.pem', 'password', 'chain_subissuer-issuer-root.pem')
        # Test invalid bundle with intermediates and without trusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle), ['The root certificate of the certificate chain is self-signed, and untrusted', 'Private key does not match client certificate public key.'])
        # Test invalid without intermediates
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, False), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified', 'Private key does not match client certificate public key.'])
        # Test invalid with intermediates and trusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), ['Private key does not match client certificate public key.'])

        # Expired root CA
        bundle = self.mkPEMBundle('piri_cert.pem', 'piri_key.pem', 'password', 'chain_issuer3-root3-EXPIRED.pem')
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle), ['The root certificate of the certificate chain is self-signed, and untrusted', 'The certificate has expired'])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, False), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified'])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), ['The root certificate of the certificate chain is self-signed, and untrusted', 'The certificate has expired'])

        # Expired intermediate CA
        bundle = self.mkPEMBundle('marinus_cert-EXPIRED.pem', 'marinus_key_w-pass.pem', 'password', 'chain_issuer2-root2.pem')
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle), ['The root certificate of the certificate chain is self-signed, and untrusted', 'The certificate has expired'])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, False), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified'])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), ['The certificate has expired'])

        # Expired client cert
        bundle = self.mkPEMBundle('henricus_cert.pem', 'henricus_key_w-pass.pem', 'password', 'chain_issuer4-EXPIRED-root2.pem')
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle), ['The root certificate of the certificate chain is self-signed, and untrusted', 'The certificate has expired'])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, False), ['The issuer certificate of a locally looked up certificate could not be found', 'No certificates could be verified'])
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), ['The certificate has expired'])

        # Untrusted root, positive test before untrust is applied
        bundle = self.mkPEMBundle('nicholas_cert.pem', 'nicholas_key.pem', 'password', 'chain_issuer2-root2.pem')
        # Test valid with intermediates and trusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), [])
        # Untrust this root
        root2 = QgsAuthCertUtils.certFromFile(PKIDATA + '/' + 'root2_ca_cert.pem')
        QgsApplication.authManager().storeCertAuthority(root2)
        self.assertTrue(QgsApplication.authManager().storeCertTrustPolicy(root2, QgsAuthCertUtils.Untrusted))
        QgsApplication.authManager().rebuildCaCertsCache()
        # Test valid with intermediates and untrusted root
        self.assertEqual(QgsAuthCertUtils.validatePKIBundle(bundle, True, True), ['The issuer certificate of a locally looked up certificate could not be found'])