Merge branch 'master' of ssh://leap.se/leap_client

5 files changed, 814 insertions, 0 deletions

diff --git a/src/leap/config/__init__.py b/src/leap/config/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/leap/config/__init__.py
diff --git a/src/leap/config/leapsettings.py b/src/leap/config/leapsettings.py
new file mode 100644
index 00000000..35010280
--- /dev/null
+++ b/src/leap/config/leapsettings.py
@@ -0,0 +1,253 @@
+# -*- coding: utf-8 -*-
+# leapsettings.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+QSettings abstraction
+"""
+import os
+import logging
+
+from PySide import QtCore
+
+from leap.common.check import leap_assert, leap_assert_type
+from leap.common.config.prefixers import get_platform_prefixer
+
+logger = logging.getLogger(__name__)
+
+
+def to_bool(val):
+    """
+    Returns the boolean value corresponding to val. Will return False
+    in case val is not a string or something that behaves like one.
+
+    :param val: value to cast
+    :type val: either bool already or str
+
+    :rtype: bool
+    """
+    if isinstance(val, bool):
+        return val
+
+    bool_val = False
+    try:
+        bool_val = val.lower() == "true"
+    except:
+        pass
+
+    return bool_val
+
+
+class LeapSettings(object):
+    """
+    Leap client QSettings wrapper
+    """
+
+    CONFIG_NAME = "leap.conf"
+
+    # keys
+    GEOMETRY_KEY = "Geometry"
+    WINDOWSTATE_KEY = "WindowState"
+    USER_KEY = "User"
+    PROPERPROVIDER_KEY = "ProperProvider"
+    REMEMBER_KEY = "RememberUserAndPass"
+    DEFAULTPROVIDER_KEY = "DefaultProvider"
+    ALERTMISSING_KEY = "AlertMissingScripts"
+
+    def __init__(self, standalone=False):
+        """
+        Constructor
+
+        :param standalone: parameter used to define the location of
+        the config
+        :type standalone: bool
+        """
+
+        settings_path = os.path.join(get_platform_prefixer()
+                                     .get_path_prefix(standalone=standalone),
+                                     "leap",
+                                     self.CONFIG_NAME)
+        self._settings = QtCore.QSettings(settings_path,
+                                          QtCore.QSettings.IniFormat)
+
+    def get_geometry(self):
+        """
+        Returns the saved geometry or None if it wasn't saved
+
+        :rtype: bytearray or None
+        """
+        return self._settings.value(self.GEOMETRY_KEY, None)
+
+    def set_geometry(self, geometry):
+        """
+        Saves the geometry to the settings
+
+        :param geometry: bytearray representing the geometry
+        :type geometry: bytearray
+        """
+        leap_assert(geometry, "We need a geometry")
+        self._settings.setValue(self.GEOMETRY_KEY, geometry)
+
+    def get_windowstate(self):
+        """
+        Returns the window state or None if it wasn't saved
+
+        :rtype: bytearray or None
+        """
+        return self._settings.value(self.WINDOWSTATE_KEY, None)
+
+    def set_windowstate(self, windowstate):
+        """
+        Saves the window state to the settings
+
+        :param windowstate: bytearray representing the window state
+        :type windowstate: bytearray
+        """
+        leap_assert(windowstate, "We need a window state")
+        self._settings.setValue(self.WINDOWSTATE_KEY, windowstate)
+
+    def get_enabled_services(self, provider):
+        """
+        Returns a list of enabled services for the given provider
+
+        :param provider: provider domain
+        :type provider: str
+
+        :rtype: list of str
+        """
+
+        leap_assert(len(provider) > 0, "We need a nonempty provider")
+        enabled_services = self._settings.value("%s/Services" % (provider,),
+                                                [])
+        if isinstance(enabled_services, (str, unicode)):
+            enabled_services = enabled_services.split(",")
+
+        return enabled_services
+
+    def set_enabled_services(self, provider, services):
+        """
+        Saves the list of enabled services for the given provider
+
+        :param provider: provider domain
+        :type provider: str
+
+        :param services: list of services to save
+        :type services: list of str
+        """
+
+        leap_assert(len(provider) > 0, "We need a nonempty provider")
+        leap_assert_type(services, list)
+
+        self._settings.setValue("%s/Services" % (provider,),
+                                services)
+
+    def get_user(self):
+        """
+        Returns the configured user to remember, None if there isn't one
+
+        :rtype: str or None
+        """
+        return self._settings.value(self.USER_KEY, None)
+
+    def set_user(self, user):
+        """
+        Saves the user to remember
+
+        :param user: user name to remember
+        :type user: str
+        """
+        leap_assert(len(user) > 0, "We cannot save an empty user")
+        self._settings.setValue(self.USER_KEY, user)
+
+    def get_remember(self):
+        """
+        Returns the value of the remember selection.
+
+        :rtype: bool
+        """
+        return to_bool(self._settings.value(self.REMEMBER_KEY, False))
+
+    def set_remember(self, remember):
+        """
+        Sets wheter the app should remember username and password
+
+        :param remember: True if the app should remember username and
+            password, False otherwise
+        :rtype: bool
+        """
+        leap_assert_type(remember, bool)
+        self._settings.setValue(self.REMEMBER_KEY, remember)
+
+    # TODO: make this scale with multiple providers, we are assuming
+    # just one for now
+    def get_properprovider(self):
+        """
+        Returns True if there is a properly configured provider.
+
+        .. note:: this assumes only one provider for now.
+
+        :rtype: bool
+        """
+        return to_bool(self._settings.value(self.PROPERPROVIDER_KEY, False))
+
+    def set_properprovider(self, properprovider):
+        """
+        Sets whether the app should automatically login.
+
+        :param properprovider: True if the provider is properly configured,
+            False otherwise.
+        :type properprovider: bool
+        """
+        leap_assert_type(properprovider, bool)
+        self._settings.setValue(self.PROPERPROVIDER_KEY, properprovider)
+
+    def get_defaultprovider(self):
+        """
+        Returns the default provider to be used for autostarting EIP
+
+        :rtype: str or None
+        """
+        return self._settings.value(self.DEFAULTPROVIDER_KEY, None)
+
+    def set_defaultprovider(self, provider):
+        """
+        Sets the default provider to be used for autostarting EIP
+
+        :param provider: provider to use
+        :type provider: str or None
+        """
+        if provider is None:
+            self._settings.remove(self.DEFAULTPROVIDER_KEY)
+        else:
+            self._settings.setValue(self.DEFAULTPROVIDER_KEY, provider)
+
+    def get_alert_missing_scripts(self):
+        """
+        Returns the setting for alerting of missing up/down scripts.
+
+        :rtype: bool
+        """
+        return to_bool(self._settings.value(self.ALERTMISSING_KEY, True))
+
+    def set_alert_missing_scripts(self, value):
+        """
+        Sets the setting for alerting of missing up/down scripts.
+
+        :param value: the value to set
+        :type value: bool
+        """
+        leap_assert_type(value, bool)
+        self._settings.setValue(self.ALERTMISSING_KEY, value)
diff --git a/src/leap/config/provider_spec.py b/src/leap/config/provider_spec.py
new file mode 100644
index 00000000..cf942c7b
--- /dev/null
+++ b/src/leap/config/provider_spec.py
@@ -0,0 +1,105 @@
+# -*- coding: utf-8 -*-
+# provider_spec.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+leap_provider_spec = {
+    'description': 'provider definition',
+    'type': 'object',
+    'properties': {
+        'version': {
+            'type': unicode,
+            'default': '0.1.0'
+        },
+        "default_language": {
+            'type': unicode,
+            'default': 'en'
+        },
+        'domain': {
+            'type': unicode,  # XXX define uri type
+            'default': 'testprovider.example.org'
+        },
+        'name': {
+            'type': dict,
+            'format': 'translatable',
+            'default': {u'en': u'Test Provider'}
+        },
+        'description': {
+            #'type': LEAPTranslatable,
+            'type': dict,
+            'format': 'translatable',
+            'default': {u'en': u'Test provider'}
+        },
+        'enrollment_policy': {
+            'type': unicode,  # oneof ??
+            'default': 'open'
+        },
+        'services': {
+            'type': list,  # oneof ??
+            'default': ['eip']
+        },
+        'api_version': {
+            'type': unicode,
+            'default': '0.1.0'  # version regexp
+        },
+        'api_uri': {
+            'type': unicode  # uri
+        },
+        'public_key': {
+            'type': unicode  # fingerprint
+        },
+        'ca_cert_fingerprint': {
+            'type': unicode,
+        },
+        'ca_cert_uri': {
+            'type': unicode,
+            'format': 'https-uri'
+        },
+        'languages': {
+            'type': list,
+            'default': ['en']
+        },
+        'service': {
+            'levels': {
+                'type': list
+            },
+            'default_service_level': {
+                'type': int,
+                'default': 1
+            },
+            'allow_free': {
+                'type': unicode
+            },
+            'allow_paid': {
+                'type': unicode
+            },
+            'allow_anonymous': {
+                'type': unicode
+            },
+            'allow_registration': {
+                'type': unicode
+            },
+            'bandwidth_limit': {
+                'type': int
+            },
+            'allow_limited_bandwidth': {
+                'type': unicode
+            },
+            'allow_unlimited_bandwidth': {
+                'type': unicode
+            }
+        }
+    }
+}
diff --git a/src/leap/config/providerconfig.py b/src/leap/config/providerconfig.py
new file mode 100644
index 00000000..8b72153a
--- /dev/null
+++ b/src/leap/config/providerconfig.py
@@ -0,0 +1,177 @@
+# -*- coding: utf-8 -*-
+# providerconfig.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Provider configuration
+"""
+import logging
+import os
+
+from leap.common.check import leap_assert
+from leap.common.config.baseconfig import BaseConfig, LocalizedKey
+from leap.config.provider_spec import leap_provider_spec
+
+logger = logging.getLogger(__name__)
+
+
+class ProviderConfig(BaseConfig):
+    """
+    Provider configuration abstraction class
+    """
+    def __init__(self):
+        BaseConfig.__init__(self)
+
+    def _get_spec(self):
+        """
+        Returns the spec object for the specific configuration
+        """
+        return leap_provider_spec
+
+    def get_api_uri(self):
+        return self._safe_get_value("api_uri")
+
+    def get_api_version(self):
+        return self._safe_get_value("api_version")
+
+    def get_ca_cert_fingerprint(self):
+        return self._safe_get_value("ca_cert_fingerprint")
+
+    def get_ca_cert_uri(self):
+        return self._safe_get_value("ca_cert_uri")
+
+    def get_default_language(self):
+        return self._safe_get_value("default_language")
+
+    @LocalizedKey
+    def get_description(self):
+        return self._safe_get_value("description")
+
+    def get_domain(self):
+        return self._safe_get_value("domain")
+
+    def get_enrollment_policy(self):
+        """
+        Returns the enrollment policy
+
+        :rtype: string
+        """
+        return self._safe_get_value("enrollment_policy")
+
+    def get_languages(self):
+        return self._safe_get_value("languages")
+
+    @LocalizedKey
+    def get_name(self):
+        return self._safe_get_value("name")
+
+    def get_services(self):
+        """
+        Returns a list with the available services in the current provider.
+
+        :rtype: list
+        """
+        services = self._safe_get_value("services")
+        return services
+
+    def get_services_string(self):
+        """
+        Returns a string with the available services in the current
+        provider, ready to be shown to the user.
+        """
+        services_str = ", ".join(self.get_services())
+        services_str = services_str.replace(
+            "openvpn", "Encrypted Internet")
+        return services_str
+
+    def get_ca_cert_path(self, about_to_download=False):
+        """
+        Returns the path to the certificate for the current provider.
+
+        :param about_to_download: defines wether we want the path to
+                                  download the cert or not. This helps avoid
+                                  checking if the cert exists because we
+                                  are about to write it.
+        :type about_to_download: bool
+        """
+
+        cert_path = os.path.join(self.get_path_prefix(),
+                                 "leap",
+                                 "providers",
+                                 self.get_domain(),
+                                 "keys",
+                                 "ca",
+                                 "cacert.pem")
+
+        if not about_to_download:
+            leap_assert(os.path.exists(cert_path),
+                        "You need to download the certificate first")
+            logger.debug("Going to verify SSL against %s" % (cert_path,))
+
+        return cert_path
+
+    def provides_eip(self):
+        """
+        Returns True if this particular provider has the EIP service,
+        False otherwise.
+
+        :rtype: bool
+        """
+        return "openvpn" in self.get_services()
+
+    def provides_mx(self):
+        """
+        Returns True if this particular provider has the MX service,
+        False otherwise.
+
+        :rtype: bool
+        """
+        return "mx" in self.get_services()
+
+
+if __name__ == "__main__":
+    logger = logging.getLogger(name='leap')
+    logger.setLevel(logging.DEBUG)
+    console = logging.StreamHandler()
+    console.setLevel(logging.DEBUG)
+    formatter = logging.Formatter(
+        '%(asctime)s '
+        '- %(name)s - %(levelname)s - %(message)s')
+    console.setFormatter(formatter)
+    logger.addHandler(console)
+
+    provider = ProviderConfig()
+
+    try:
+        provider.get_api_version()
+    except Exception as e:
+        assert isinstance(e, AssertionError), "Expected an assert"
+        print "Safe value getting is working"
+
+    # standalone minitest
+    #if provider.load("provider_bad.json"):
+    if provider.load("leap/providers/bitmask.net/provider.json"):
+        print provider.get_api_version()
+        print provider.get_ca_cert_fingerprint()
+        print provider.get_ca_cert_uri()
+        print provider.get_default_language()
+        print provider.get_description()
+        print provider.get_description(lang="asd")
+        print provider.get_domain()
+        print provider.get_enrollment_policy()
+        print provider.get_languages()
+        print provider.get_name()
+        print provider.get_services()
diff --git a/src/leap/config/tests/test_providerconfig.py b/src/leap/config/tests/test_providerconfig.py
new file mode 100644
index 00000000..4e86a5f7
--- /dev/null
+++ b/src/leap/config/tests/test_providerconfig.py
@@ -0,0 +1,279 @@
+# -*- coding: utf-8 -*-
+# test_providerconfig.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Tests for providerconfig
+"""
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+
+import os
+import json
+import copy
+
+from leap.common.testing.basetest import BaseLeapTest
+from leap.config.providerconfig import ProviderConfig
+from leap.services import get_supported
+
+from mock import Mock
+
+
+sample_config = {
+    "api_uri": "https://api.test.bitmask.net:4430",
+    "api_version": "1",
+    "ca_cert_fingerprint":
+    "SHA256: 0f17c033115f6b76ff67871872303ff65034efe7dd1b910062ca323eb4da5c7e",
+    "ca_cert_uri": "https://test.bitmask.net/ca.crt",
+    "default_language": "en",
+    "description": {
+        "en": "Test description for provider",
+        "es": "Descripcion de prueba para el proveedor"
+    },
+    "domain": "test.bitmask.net",
+    "enrollment_policy": "open",
+    "languages": [
+        "en",
+        "es"
+    ],
+    "name": {
+        "en": "Bitmask testing environment",
+        "es": "Entorno de pruebas de Bitmask"
+    },
+    "service": {
+        "allow_anonymous": True,
+        "allow_free": True,
+        "allow_limited_bandwidth": True,
+        "allow_paid": False,
+        "allow_registration": True,
+        "allow_unlimited_bandwidth": False,
+        "bandwidth_limit": 400000,
+        "default_service_level": 1,
+        "levels": [
+            {
+                "bandwidth": "limited",
+                "id": 1,
+                "name": "anonymous"
+            },
+            {
+                "bandwidth": "limited",
+                "id": 2,
+                "name": "free",
+                "storage": 50
+            }
+        ]
+    },
+    "services": [
+        "openvpn"
+    ]
+}
+
+
+class ProviderConfigTest(BaseLeapTest):
+    """Tests for ProviderConfig"""
+
+    def setUp(self):
+        self._provider_config = ProviderConfig()
+        json_string = json.dumps(sample_config)
+        self._provider_config.load(data=json_string)
+
+        # At certain points we are going to be replacing these method
+        # to avoid creating a file.
+        # We need to save the old implementation and restore it in
+        # tearDown so we are sure everything is as expected for each
+        # test. If we do it inside each specific test, a failure in
+        # the test will leave the implementation with the mock.
+        self._old_ospath_exists = os.path.exists
+
+    def tearDown(self):
+        os.path.exists = self._old_ospath_exists
+
+    def test_configs_ok(self):
+        """
+        Test if the configs loads ok
+        """
+        # TODO: this test should go to the BaseConfig tests
+        pc = self._provider_config
+        self.assertEqual(pc.get_api_uri(), sample_config['api_uri'])
+        self.assertEqual(pc.get_api_version(), sample_config['api_version'])
+        self.assertEqual(pc.get_ca_cert_fingerprint(),
+                         sample_config['ca_cert_fingerprint'])
+        self.assertEqual(pc.get_ca_cert_uri(), sample_config['ca_cert_uri'])
+        self.assertEqual(pc.get_default_language(),
+                         sample_config['default_language'])
+
+        self.assertEqual(pc.get_domain(), sample_config['domain'])
+        self.assertEqual(pc.get_enrollment_policy(),
+                         sample_config['enrollment_policy'])
+        self.assertEqual(pc.get_languages(), sample_config['languages'])
+
+    def test_localizations(self):
+        pc = self._provider_config
+
+        self.assertEqual(pc.get_description(lang='en'),
+                         sample_config['description']['en'])
+        self.assertEqual(pc.get_description(lang='es'),
+                         sample_config['description']['es'])
+
+        self.assertEqual(pc.get_name(lang='en'), sample_config['name']['en'])
+        self.assertEqual(pc.get_name(lang='es'), sample_config['name']['es'])
+
+    def _localize(self, lang):
+        """
+        Helper to change default language of the provider config.
+        """
+        pc = self._provider_config
+        config = copy.deepcopy(sample_config)
+        config['default_language'] = lang
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+
+        return config
+
+    def test_default_localization1(self):
+        pc = self._provider_config
+        config = self._localize(sample_config['languages'][0])
+
+        default_language = config['default_language']
+        default_description = config['description'][default_language]
+        default_name = config['name'][default_language]
+
+        self.assertEqual(pc.get_description(lang='xx'), default_description)
+        self.assertEqual(pc.get_description(), default_description)
+
+        self.assertEqual(pc.get_name(lang='xx'), default_name)
+        self.assertEqual(pc.get_name(), default_name)
+
+    def test_default_localization2(self):
+        pc = self._provider_config
+        config = self._localize(sample_config['languages'][1])
+
+        default_language = config['default_language']
+        default_description = config['description'][default_language]
+        default_name = config['name'][default_language]
+
+        self.assertEqual(pc.get_description(lang='xx'), default_description)
+        self.assertEqual(pc.get_description(), default_description)
+
+        self.assertEqual(pc.get_name(lang='xx'), default_name)
+        self.assertEqual(pc.get_name(), default_name)
+
+    def test_get_ca_cert_path_as_expected(self):
+        pc = self._provider_config
+        pc.get_path_prefix = Mock(return_value='test')
+
+        provider_domain = sample_config['domain']
+        expected_path = os.path.join('test', 'leap', 'providers',
+                                     provider_domain, 'keys', 'ca',
+                                     'cacert.pem')
+
+        # mock 'os.path.exists' so we don't get an error for unexisting file
+        os.path.exists = Mock(return_value=True)
+        cert_path = pc.get_ca_cert_path()
+
+        self.assertEqual(cert_path, expected_path)
+
+    def test_get_ca_cert_path_about_to_download(self):
+        pc = self._provider_config
+        pc.get_path_prefix = Mock(return_value='test')
+
+        provider_domain = sample_config['domain']
+        expected_path = os.path.join('test', 'leap', 'providers',
+                                     provider_domain, 'keys', 'ca',
+                                     'cacert.pem')
+
+        cert_path = pc.get_ca_cert_path(about_to_download=True)
+
+        self.assertEqual(cert_path, expected_path)
+
+    def test_get_ca_cert_path_fails(self):
+        pc = self._provider_config
+        pc.get_path_prefix = Mock(return_value='test')
+
+        # mock 'get_domain' so we don't need to load a config
+        provider_domain = 'test.provider.com'
+        pc.get_domain = Mock(return_value=provider_domain)
+
+        with self.assertRaises(AssertionError):
+            pc.get_ca_cert_path()
+
+    def test_provides_eip(self):
+        pc = self._provider_config
+        config = copy.deepcopy(sample_config)
+
+        # It provides
+        config['services'] = ['openvpn', 'test_service']
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+        self.assertTrue(pc.provides_eip())
+
+        # It does not provides
+        config['services'] = ['test_service', 'other_service']
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+        self.assertFalse(pc.provides_eip())
+
+    def test_provides_mx(self):
+        pc = self._provider_config
+        config = copy.deepcopy(sample_config)
+
+        # It provides
+        config['services'] = ['mx', 'other_service']
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+        self.assertTrue(pc.provides_mx())
+
+        # It does not provides
+        config['services'] = ['test_service', 'other_service']
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+        self.assertFalse(pc.provides_mx())
+
+    def test_supports_unknown_service(self):
+        pc = self._provider_config
+        config = copy.deepcopy(sample_config)
+
+        config['services'] = ['unknown']
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+        self.assertFalse('unknown' in get_supported(pc.get_services()))
+
+    def test_provides_unknown_service(self):
+        pc = self._provider_config
+        config = copy.deepcopy(sample_config)
+
+        config['services'] = ['unknown']
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+        self.assertTrue('unknown' in pc.get_services())
+
+    def test_get_services_string(self):
+        pc = self._provider_config
+        config = copy.deepcopy(sample_config)
+        config['services'] = [
+            'openvpn', 'asdf', 'openvpn', 'not_supported_service']
+        json_string = json.dumps(config)
+        pc.load(data=json_string)
+
+        self.assertEqual(pc.get_services_string(),
+                         "Encrypted Internet, asdf, Encrypted Internet,"
+                         " not_supported_service")
+
+
+if __name__ == "__main__":
+    unittest.main()