diff -r 4177eba88c22 -r 44522cd37b07 test/test_parser.py
--- a/test/test_parser.py	Fri Apr 15 09:21:42 2016 -0600
+++ b/test/test_parser.py	Fri Apr 15 18:29:24 2016 -0600
@@ -21,22 +21,22 @@
 class TestParser(unittest.TestCase):
     def test_com_expiration(self):
         data = """
-            Status: ok
-            Updated Date: 14-apr-2008
-            Creation Date: 14-apr-2008
-            Expiration Date: 14-apr-2009
-            
-            >>> Last update of whois database: Sun, 31 Aug 2008 00:18:23 UTC <<<
+        Status: ok
+        Updated Date: 14-apr-2008
+        Creation Date: 14-apr-2008
+        Expiration Date: 14-apr-2009
+        
+        >>> Last update of whois database: Sun, 31 Aug 2008 00:18:23 UTC <<<
         """
         w = WhoisEntry.load('urlowl.com', data)
         expires = w.expiration_date.strftime('%Y-%m-%d')
-        self.assertEquals(expires, '2009-04-14')
+        self.assertEqual(expires, '2009-04-14')
 
     def test_cast_date(self):
         dates = ['14-apr-2008', '2008-04-14']
         for d in dates:
             r = cast_date(d).strftime('%Y-%m-%d')
-            self.assertEquals(r, '2008-04-14')
+            self.assertEqual(r, '2008-04-14')
 
     def test_com_allsamples(self):
         """
@@ -46,41 +46,53 @@
         
         To generate fresh expected value dumps, see NOTE below.
         """
-        keys_to_test = ['domain_name', 'expiration_date', 'updated_date', 'creation_date', 'status']
+        keys_to_test = ['domain_name', 'expiration_date', 'updated_date',
+                        'creation_date', 'status']
         fail = 0
+        total = 0
         for path in glob('test/samples/whois/*.com'):
             # Parse whois data
             domain = os.path.basename(path)
-            whois_fp = open(path)
-            data = whois_fp.read()
+            with open(path) as whois_fp:
+                data = whois_fp.read()
             
             w = WhoisEntry.load(domain, data)
-            results = {}
-            for key in keys_to_test:
-                results[key] = w.get(key)
+            results = {key: w.get(key) for key in keys_to_test}
+
+            # NOTE: Toggle condition below to write expected results from the
+            # parse results This will overwrite the existing expected results.
+            # Only do this if you've manually confirmed that the parser is
+            # generating correct values at its current state.
+            if False:
+                def date2str4json(obj):
+                    if isinstance(obj, datetime.datetime):
+                        return str(obj)
+                    raise TypeError(
+                            '{} is not JSON serializable'.format(repr(obj)))
+                outfile_name = os.path.join('test/samples/expected/', domain)
+                with open(outfile_name, 'w') as outfil:
+                    expected_results = simplejson.dump(results, outfil,
+                                                       default=date2str4json)
+                continue
 
             # Load expected result
-            expected_fp = open(os.path.join('test/samples/expected/', domain))
-            expected_results = simplejson.load(expected_fp)
-            
-            # NOTE: Toggle condition below to write expected results from the parse results
-            # This will overwrite the existing expected results. Only do this if you've manually
-            # confirmed that the parser is generating correct values at its current state.
-            if False:
-                expected_fp = open(os.path.join('test/samples/expected/', domain), 'w')
-                expected_results = simplejson.dump(results, expected_fp)
-                continue
+            with open(os.path.join('test/samples/expected/', domain)) as infil:
+                expected_results = simplejson.load(infil)
             
             # Compare each key
             for key in results:
+                total += 1
                 result = results.get(key)
+                if isinstance(result, datetime.datetime):
+                    result = str(result)
                 expected = expected_results.get(key)
                 if expected != result:
                     print("%s \t(%s):\t %s != %s" % (domain, key, result, expected))
                     fail += 1
             
         if fail:
-            self.fail("%d sample whois attributes were not parsed properly!" % fail)
+            self.fail("%d/%d sample whois attributes were not parsed properly!"
+                      % (fail, total))
 
 
 if __name__ == '__main__':