Removes whitespace from CLI queries

Strips leading and trailing whitespaces
from CLI query field and value parameter
before building url.

Closes-Bug: 1464694

Change-Id: Ibe99747e22afe05eee187d59aaf0603f58e91373

ceilometerclient/tests/unit/v2/test_options.py

@@ -237,3 +237,17 @@ class CliTest(utils.BaseTestCase):
                            'type': 'datetime',
                            'value': '2014-03-11T16:02:58'}],
                          ar)
+
+    def test_with_whitespace(self):
+        ar = options.cli_to_array('start_timestamp= 2015-01-01T00:00:00;'
+                                  ' end_timestamp =2015-06-20T14:01:59 ')
+
+        self.assertEqual([{'field': 'start_timestamp',
+                           'op': 'eq',
+                           'type': '',
+                           'value': '2015-01-01T00:00:00'},
+                          {'field': 'end_timestamp',
+                           'op': 'eq',
+                           'type': '',
+                           'value': '2015-06-20T14:01:59'}],
+                         ar)

ceilometerclient/v2/options.py

@@ -99,7 +99,7 @@ def cli_to_array(cli_query):
         if not len(value):
             _value_error('value')
 
-        return field, operator, value
+        return field.strip(), operator, value.strip()
 
     def split_by_data_type(query_value):
         frags = DATA_TYPE_RE.match(query_value)