diff --git a/minode/tests/test_process.py b/minode/tests/test_process.py
index e5959fc..0eb462f 100644
--- a/minode/tests/test_process.py
+++ b/minode/tests/test_process.py
@@ -1,12 +1,18 @@
 import unittest
+import os
+import shutil
 import signal
 import subprocess
 import sys
 import tempfile
+import threading
 import time
 
 import psutil
 
+from minode import shared
+from minode.main import main as app
+
 
 class TestProcessProto(unittest.TestCase):
     """Test process attributes, common flow"""
@@ -18,18 +24,23 @@ class TestProcessProto(unittest.TestCase):
     home = None
 
     @classmethod
-    def setUpClass(cls):
+    def _build_app_args(cls, extra=None):
         if not cls.home:
             cls.home = tempfile.gettempdir()
-        cmd = cls._process_cmd + [
+        args = cls._process_cmd + [
             '--data-dir', cls.home,
             '--connection-limit', str(cls._connection_limit)
         ]
         if not cls._listen:
-            cmd += ['--no-incoming']
+            args += ['--no-incoming']
         elif cls._listening_port:
-            cmd += ['-p', str(cls._listening_port)]
-        cls.process = psutil.Popen(cmd, stderr=subprocess.STDOUT)  # nosec
+            args += ['-p', str(cls._listening_port)]
+
+        if extra:
+            args += extra
+
+        print('ARGS: %r' % args)
+        return args
 
     @classmethod
     def _stop_process(cls, timeout=5):
@@ -40,6 +51,11 @@ class TestProcessProto(unittest.TestCase):
             return False
         return True
 
+    @classmethod
+    def setUpClass(cls):
+        cmd = cls._build_app_args()
+        cls.process = psutil.Popen(cmd, stderr=subprocess.STDOUT)  # nosec
+
     @classmethod
     def tearDownClass(cls):
         """Ensures the process is stopped and removes files"""
@@ -112,3 +128,41 @@ class TestProcess(TestProcessProto):
         else:
             if self._listen:
                 self.fail('No listening connection found')
+
+
+class TestConnectivity(TestProcessProto):
+    """Check connectivity between instances"""
+    _process_cmd = [
+        'minode', '--trusted-peer', '127.0.0.1:8445']
+    # _listen = True
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestConnectivity, cls).setUpClass()
+
+        cls._listen = True
+        cls._listening_port = 8445
+        cls.home = os.path.join(cls.home, 'client')
+        os.mkdir(cls.home)
+        # sys.argv = cls._build_app_args(['--trusted-peer', '127.0.0.1:8444'])
+        cls._process_cmd = ['minode', '--no-outgoing']
+        sys.argv = cls._build_app_args()
+        cls.app = threading.Thread(name="minode", target=app, daemon=True)
+        cls.app.start()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestConnectivity, cls).tearDownClass()
+        shared.shutting_down = True
+        shutil.rmtree(cls.home)
+
+    def test_connections(self):
+        """Check the connection with trusted peer"""
+        time.sleep(5)
+        for t in range(10):
+            time.sleep(1)
+            connection_count = len([
+                c for c in shared.connections.copy()
+                if c.status == 'fully_established'])
+            if connection_count != 1:
+                self.fail("Unexpected connection count: %i" % connection_count)