[qatl] added method named 'tl.about' (#39)

* [qatl] added method named 'tl.about'

* [qatl] flake8 fixes

README.rst

@@ -242,3 +242,9 @@ Usage ( *XMLRPC* )
 
 * **XMLRPC**: *call to method named* '*tl.doesUserExist*'
 * **Description** : check if user name it's valid
+
+**api_about**
++++++++++++++++++++++++
+
+* **XMLRPC**: *call to method named* '*tl.about*'
+* **Description** : get default message with author and testlink version

qatestlink/configs/settings.json

@@ -26,7 +26,8 @@
             "build_name_one": "issue1",
             "build_id_two": 2,
             "build_name_two": "issue2",
-            "user_name": "qacode"
+            "user_name": "qacode",
+            "about": "Testlink API Version: 1.0 initially written by Asiel Brumfield\n with contributions by TestLink development Team"
         }
     }
 }

qatestlink/core/testlink_manager.py

@@ -448,3 +448,16 @@ def api_user_exist(self, user_name, dev_key=None):
         if res_value.get('boolean'):
             return bool(res_value.get('boolean'))
         self._xml_manager.parse_errors(res_dict)
+
+    def api_about(self):
+        """Call to method named 'tl.about' for testlink XMLRPC
+
+        Returns:
+            str -- Message predefined by Testlink code
+        """
+        req_data = self._xml_manager.req_about()
+        res = self._conn.post(self._xml_manager.headers, req_data)
+        res_dict = self._xml_manager.parse_response(res)
+        res_value = res_dict.get(
+            'methodResponse')['params']['param']['value']
+        return res_value.get('string')

qatestlink/core/xmls/xmlrpc_manager.py

@@ -651,3 +651,16 @@ def req_user_exist(self, dev_key, user_name):
         xml = dicttoxml(
             self.req_dict, custom_root='methodCall', attr_type=False)
         return xml
+
+    def req_about(self):
+        """String xml object ready to use on API call
+
+        Returns:
+            str -- XML request with parsed params
+        """
+        self.req_dict.update({
+            "methodName": RouteType.TLINK_ABOUT.value
+        })
+        xml = dicttoxml(
+            self.req_dict, custom_root='methodCall', attr_type=False)
+        return xml

tests/unitaries/suite_002_methods.py

@@ -209,6 +209,13 @@ def test_017_method_user_exist(self):
             DATA['user_name'])
         self.assertTrue(is_user)
 
+    @skipIf(SKIP, SKIP_MESSAGE)
+    def test_018_method_about(self):
+        """TODO: doc method"""
+        about = self.testlink_manager.api_about()
+        self.assertIsInstance(about, str)
+        self.assertEquals(about, DATA['about'])
+
 
 class TestMethodsRaises(TestCase):
     """Test suite for tests methods