Allow easy configuration of host/port settings

The monascastatsd client allowed the host and port to be set but only if you
constructed a Connection object yourself.  This allows you just to specify
host and port when constructing the client object.

Change-Id: Ib49e261b915c07bf8f7036164f1e4814d80ecc1f

monascastatsd/client.py

@@ -23,7 +23,8 @@ from monascastatsd.timer import Timer
 
 class Client(object):
 
-    def __init__(self, name=None, connection=None, max_buffer_size=50, dimensions=None):
+    def __init__(self, name=None, host='localhost', port=8125,
+                 connection=None, max_buffer_size=50, dimensions=None):
         """Initialize a Client object.
 
         >>> monascastatsd = MonascaStatsd()
@@ -35,10 +36,11 @@ class Client(object):
         :param max_buffer_size: Maximum number of metric to buffer before
          sending to the server if sending metrics in batch
         """
+
         if connection is None:
-            self.connection = Connection(host='localhost',
+            self.connection = Connection(host=host,
-                                         port=8125,
+                                         port=port,
-                                         max_buffer_size=50)
+                                         max_buffer_size=max_buffer_size)
         else:
             self.connection = connection
         self._dimensions = dimensions

test-requirements.txt

@@ -4,3 +4,4 @@
 hacking<0.12,>=0.11.0 # Apache-2.0
 nose # LGPL
 nosexcover # BSD
+mock>=2.0 # BSD

tests/test_monascastatsd.py

@@ -23,6 +23,8 @@ import unittest
 
 import monascastatsd as mstatsd
 
+import mock
+
 
 class FakeSocket(object):
 
@@ -60,6 +62,20 @@ class TestMonascaStatsd(unittest.TestCase):
     def recv(self, metric_obj):
         return metric_obj._connection.socket.recv()
 
+    @mock.patch('monascastatsd.client.Connection')
+    def test_client_set_host_port(self, connection_mock):
+        mstatsd.Client(host='foo.bar', port=5213)
+        connection_mock.assert_called_once_with(host='foo.bar',
+                                                port=5213,
+                                                max_buffer_size=50)
+
+    @mock.patch('monascastatsd.client.Connection')
+    def test_client_default_host_port(self, connection_mock):
+        mstatsd.Client()
+        connection_mock.assert_called_once_with(host='localhost',
+                                                port=8125,
+                                                max_buffer_size=50)
+
     def test_counter(self):
         counter = self.client.get_counter(name='page.views')