diff --git a/src/blackcore/context/contextaudioproxy.cpp b/src/blackcore/context/contextaudioproxy.cpp
index a67e1aa16..d949bfd20 100644
--- a/src/blackcore/context/contextaudioproxy.cpp
+++ b/src/blackcore/context/contextaudioproxy.cpp
@@ -9,12 +9,14 @@
 
 #include "blackcore/context/contextaudioproxy.h"
 #include "blackmisc/dbus.h"
+#include "blackmisc/dbusserver.h"
 #include "blackmisc/genericdbusinterface.h"
 
 #include <QDBusConnection>
 #include <QLatin1Literal>
 #include <QtGlobal>
 
+using namespace BlackMisc;
 using namespace BlackMisc::Audio;
 using namespace BlackMisc::Network;
 using namespace BlackMisc::Aviation;
@@ -30,6 +32,14 @@ namespace BlackCore
             this->relaySignals(serviceName, connection);
         }
 
+        void CContextAudioProxy::unitTestRelaySignals()
+        {
+            // connect signals, asserts when failures
+            QDBusConnection con = QDBusConnection::sessionBus();
+            CContextAudioProxy c(CDBusServer::coreServiceName(), con, CCoreFacadeConfig::Remote, nullptr);
+            Q_UNUSED(c);
+        }
+
         void CContextAudioProxy::relaySignals(const QString &serviceName, QDBusConnection &connection)
         {
             bool s = connection.connect(serviceName, IContextAudio::ObjectPath(), IContextAudio::InterfaceName(),
diff --git a/src/blackcore/context/contextaudioproxy.h b/src/blackcore/context/contextaudioproxy.h
index bf8226137..abca8d570 100644
--- a/src/blackcore/context/contextaudioproxy.h
+++ b/src/blackcore/context/contextaudioproxy.h
@@ -54,6 +54,9 @@ namespace BlackCore
             //! Destructor
             virtual ~CContextAudioProxy() {}
 
+            //! Unit test relay signals
+            //! \private
+            static void unitTestRelaySignals();
 
         public slots:
             // interface overrides
diff --git a/src/blackcore/context/contextnetworkproxy.cpp b/src/blackcore/context/contextnetworkproxy.cpp
index 8e9259cb3..62cad4065 100644
--- a/src/blackcore/context/contextnetworkproxy.cpp
+++ b/src/blackcore/context/contextnetworkproxy.cpp
@@ -10,12 +10,14 @@
 #include "blackcore/context/contextnetworkproxy.h"
 #include "blackmisc/audio/voiceroomlist.h"
 #include "blackmisc/dbus.h"
+#include "blackmisc/dbusserver.h"
 #include "blackmisc/genericdbusinterface.h"
 
 #include <QDBusConnection>
 #include <QLatin1Literal>
 #include <QObject>
 #include <QtGlobal>
+#include <QMetaObject>
 
 using namespace BlackMisc;
 using namespace BlackMisc::Network;
@@ -36,6 +38,14 @@ namespace BlackCore
             this->relaySignals(serviceName, connection);
         }
 
+        void CContextNetworkProxy::unitTestRelaySignals()
+        {
+            // connect signals, asserts when failures
+            QDBusConnection con = QDBusConnection::sessionBus();
+            CContextNetworkProxy c(CDBusServer::coreServiceName(), con, CCoreFacadeConfig::Remote, nullptr);
+            Q_UNUSED(c);
+        }
+
         void CContextNetworkProxy::relaySignals(const QString &serviceName, QDBusConnection &connection)
         {
             bool s = connection.connect(serviceName, IContextNetwork::ObjectPath(), IContextNetwork::InterfaceName(),
diff --git a/src/blackcore/context/contextnetworkproxy.h b/src/blackcore/context/contextnetworkproxy.h
index 1696e8831..2cf9445bf 100644
--- a/src/blackcore/context/contextnetworkproxy.h
+++ b/src/blackcore/context/contextnetworkproxy.h
@@ -68,6 +68,10 @@ namespace BlackCore
             //! Destructor
             virtual ~CContextNetworkProxy() {}
 
+            //! Unit test relay signals
+            //! \private
+            static void unitTestRelaySignals();
+
         public slots:
             //! \name Interface overrides
             //! @{
diff --git a/src/blackcore/context/contextownaircraftproxy.cpp b/src/blackcore/context/contextownaircraftproxy.cpp
index 6f77902c2..59210506c 100644
--- a/src/blackcore/context/contextownaircraftproxy.cpp
+++ b/src/blackcore/context/contextownaircraftproxy.cpp
@@ -9,6 +9,7 @@
 
 #include "blackcore/context/contextownaircraftproxy.h"
 #include "blackmisc/dbus.h"
+#include "blackmisc/dbusserver.h"
 #include "blackmisc/genericdbusinterface.h"
 
 #include <QDBusConnection>
@@ -41,6 +42,14 @@ namespace BlackCore
             this->relayBaseClassSignals(serviceName, connection, IContextOwnAircraft::ObjectPath(), IContextOwnAircraft::InterfaceName());
         }
 
+        void CContextOwnAircraftProxy::unitTestRelaySignals()
+        {
+            // connect signals, asserts when failures
+            QDBusConnection con = QDBusConnection::sessionBus();
+            CContextOwnAircraftProxy c(CDBusServer::coreServiceName(), con, CCoreFacadeConfig::Remote, nullptr);
+            Q_UNUSED(c);
+        }
+
         BlackMisc::Simulation::CSimulatedAircraft CContextOwnAircraftProxy::getOwnAircraft() const
         {
             return this->m_dBusInterface->callDBusRet<BlackMisc::Simulation::CSimulatedAircraft>(QLatin1Literal("getOwnAircraft"));
diff --git a/src/blackcore/context/contextownaircraftproxy.h b/src/blackcore/context/contextownaircraftproxy.h
index 7736255b3..75a31ba3a 100644
--- a/src/blackcore/context/contextownaircraftproxy.h
+++ b/src/blackcore/context/contextownaircraftproxy.h
@@ -56,6 +56,10 @@ namespace BlackCore
             //! Destructor
             virtual ~CContextOwnAircraftProxy() {}
 
+            //! Unit test relay signals
+            //! \private
+            static void unitTestRelaySignals();
+
         public slots:
             //! \publicsection
             //! @{
diff --git a/src/blackcore/context/contextsimulatorproxy.cpp b/src/blackcore/context/contextsimulatorproxy.cpp
index 74cb23d1f..197eee477 100644
--- a/src/blackcore/context/contextsimulatorproxy.cpp
+++ b/src/blackcore/context/contextsimulatorproxy.cpp
@@ -9,6 +9,7 @@
 
 #include "blackcore/context/contextsimulatorproxy.h"
 #include "blackmisc/dbus.h"
+#include "blackmisc/dbusserver.h"
 #include "blackmisc/genericdbusinterface.h"
 #include "blackmisc/simulation/simulatedaircraft.h"
 
@@ -36,6 +37,14 @@ namespace BlackCore
             this->relaySignals(serviceName, connection);
         }
 
+        void CContextSimulatorProxy::unitTestRelaySignals()
+        {
+            // connect signals, asserts when failures
+            QDBusConnection con = QDBusConnection::sessionBus();
+            CContextSimulatorProxy c(CDBusServer::coreServiceName(), con, CCoreFacadeConfig::Remote, nullptr);
+            Q_UNUSED(c);
+        }
+
         void CContextSimulatorProxy::relaySignals(const QString &serviceName, QDBusConnection &connection)
         {
             bool s = connection.connect(serviceName, IContextSimulator::ObjectPath(), IContextSimulator::InterfaceName(),
diff --git a/src/blackcore/context/contextsimulatorproxy.h b/src/blackcore/context/contextsimulatorproxy.h
index a5c32ce02..a57b34c0f 100644
--- a/src/blackcore/context/contextsimulatorproxy.h
+++ b/src/blackcore/context/contextsimulatorproxy.h
@@ -50,6 +50,10 @@ namespace BlackCore
             //! Destructor
             virtual ~CContextSimulatorProxy() {}
 
+            //! Unit test relay signals
+            //! \private
+            static void unitTestRelaySignals();
+
         public slots:
             //! \name Interface overrides
             //! @{
diff --git a/tests/blackcore/testcontext.cpp b/tests/blackcore/testcontext.cpp
new file mode 100644
index 000000000..f8cd5fea4
--- /dev/null
+++ b/tests/blackcore/testcontext.cpp
@@ -0,0 +1,35 @@
+/* Copyright (C) 2017
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \cond PRIVATE_TESTS
+
+/*!
+ * \file
+ * \ingroup testblackcore
+ */
+
+#include "testcontext.h"
+#include "blackcore/context/contextallproxies.h"
+
+using namespace BlackCore::Context;
+
+namespace BlackCoreTest
+{
+    void CTestContext::contextInitTest()
+    {
+        // will cause asserts when signal connects fail
+
+        CContextAudioProxy::unitTestRelaySignals();
+        CContextNetworkProxy::unitTestRelaySignals();
+        CContextOwnAircraftProxy::unitTestRelaySignals();
+        CContextSimulatorProxy::unitTestRelaySignals();
+    }
+}
+
+//! \endcond
diff --git a/tests/blackcore/testcontext.h b/tests/blackcore/testcontext.h
new file mode 100644
index 000000000..f46762e9c
--- /dev/null
+++ b/tests/blackcore/testcontext.h
@@ -0,0 +1,42 @@
+/* Copyright (C) 2017
+ * swift project community / contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#ifndef BLACKCORETEST_TESTCONTEXT_H
+#define BLACKCORETEST_TESTCONTEXT_H
+
+#include <QObject>
+
+//! \cond PRIVATE_TESTS
+//! \file
+//! \ingroup testblackcore
+
+namespace BlackCoreTest
+{
+    /*!
+     * Context implementation classes tests
+     */
+    class CTestContext : public QObject
+    {
+        Q_OBJECT
+
+    public:
+        //! Constructor.
+        explicit CTestContext(QObject *parent = nullptr) :
+            QObject(parent)
+        {}
+
+    private slots:
+        //! Init tests for context
+        void contextInitTest();
+    };
+} //namespace
+
+//! \endcond
+
+#endif // guard