#915 add test for too large HTTP request fields

This test checks for wrong headers HTTP requests:

	1. POST /clients with a content length larger than a signed int.
	2. POST /clients with an auth token larger than 63 characters.

tests/units/test_0015_wrong_headers.py

@@ -0,0 +1,29 @@
+import requests
+import unittest
+
+class TestPostWrongHeaders(unittest.TestCase):
+
+    def setUp(self):
+        self.url = 'http://localhost:8888/clients'
+        self.too_large_content_length_headers = {'Authorization' :
+                '07b3bfe728954619b58f0107ad73acc1', 'Content-Length' :
+                '999999999999999999999999999999999999999999999999999999999'}
+        self.too_large_auth_headers = {'Authorization' :
+                'TooLongoTooLongTooLongTooLongTooLongTooLongTooLongTooLong'
+                'TooLongoTooLongTooLongTooLongTooLongTooLongTooLongTooLong'
+                'TooLongoTooLongTooLongTooLongTooLongTooLongTooLongTooLong'}
+        self.json = { 'clients' : [ '192.168.2.1', '192.168.2.2' ] }
+
+    def test_post_too_large_content(self):
+        with self.assertRaises(requests.exceptions.ConnectionError) as context:
+            returned = requests.post(self.url,
+                    headers=self.too_large_content_length_headers)
+
+        self.assertTrue('Connection aborted' in str(context.exception))
+
+    def test_post_too_large_auth(self):
+        returned = requests.post(self.url, headers=self.too_large_auth_headers)
+        self.assertEqual(returned.status_code, 401)
+
+if __name__ == '__main__':
+    unittest.main()