Add a really simple test.

sites_uploader.py

@@ -107,14 +107,16 @@ def __init__(self, domain, site, ssl=True, debug=False):
     self.debug = debug
     self.client = None
 
-  def _MakeClient(self, client_authz=ClientAuthorizer):
+  def _MakeClient(self, client_authz=None):
     """Return a populated SitesClient object."""
     client = gdata.sites.client.SitesClient(source=SOURCE, site=self.site,
                                             domain=self.domain)
     client.ssl = self.ssl
     client.http_client.debug = self.debug
     # Make sure we've got a valid token in the client.
-    client_authz().FetchClientToken(client)
+    if not client_authz:
+      client_authz = ClientAuthorizer()
+    client_authz.FetchClientToken(client)
     return client
 
   @property

sites_uploader_test.py

@@ -0,0 +1,34 @@
+#!/usr/bin/python
+
+import gdata.sites.client
+import mox
+import unittest
+
+import sites_uploader
+
+class SitesUploaderTest(unittest.TestCase):
+
+  DOMAIN = 'example.com'
+  SITE = 'test'
+
+  def setUp(self):
+    self.mox = mox.Mox()
+
+  def tearDown(self):
+    self.mox.UnsetStubs()
+
+  def testMakeClient(self):
+    mock_authz = self.mox.CreateMock(sites_uploader.ClientAuthorizer)
+    mock_authz.FetchClientToken(mox.IsA(gdata.sites.client.SitesClient))
+    self.mox.ReplayAll()
+
+    uploader = sites_uploader.SitesUploader(self.DOMAIN, self.SITE)
+    client = uploader._MakeClient(mock_authz)
+
+    self.mox.VerifyAll()
+    self.assertEquals(self.DOMAIN, client.domain)
+    self.assertEquals(self.SITE, client.site)
+    self.assertEquals(True, client.ssl)
+
+if __name__ == '__main__':
+  unittest.main()