Use Study and Experiment Terminology on the C++ Side For Fieldtrials

tools/variations/fieldtrial_to_struct_unittest.py

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import unittest
 
 import fieldtrial_to_struct
 import os
 
 
@@ skipping 30 matching lines @@
         {
           'platforms': ['win'],
           'experiments': [{'name': 'OtherGroup'}]
         }
       ]
     }
     result = fieldtrial_to_struct._FieldTrialConfigToDescription(config, 'win')
     expected = {
       'elements': {
         'kFieldTrialConfig': {
-          'trials': [
+          'studies': [
             {
               'name': 'Trial1',
-              'groups': [
+              'experiments': [
                 {
                   'name': 'Group1',
                   'params': [
                     {'key': 'x', 'value': '1'},
                     {'key': 'y', 'value': '2'}
                   ],
                   'enable_features': ['A', 'B'],
                   'disable_features': ['C']
                 },
                 {
                   'name': 'Group2',
                   'params': [
                     {'key': 'x', 'value': '3'},
                     {'key': 'y', 'value': '4'}
                   ],
                   'enable_features': ['D', 'E'],
                   'disable_features': ['F']
                 },
               ],
             },
             {
               'name': 'Trial2',
-              'groups': [{'name': 'OtherGroup'}]
+              'experiments': [{'name': 'OtherGroup'}]
             },
           ]
         }
       }
     }
     self.maxDiff = None
     self.assertEqual(expected, result)
 
   _MULTIPLE_PLATFORM_CONFIG = {
     'Trial1': [
@@ skipping 36 matching lines @@
       }
     ]
   }
 
   def test_FieldTrialToDescriptionMultipleSinglePlatformMultipleTrial(self):
     result = fieldtrial_to_struct._FieldTrialConfigToDescription(
         self._MULTIPLE_PLATFORM_CONFIG, 'ios')
     expected = {
       'elements': {
         'kFieldTrialConfig': {
-          'trials': [
+          'studies': [
             {
               'name': 'Trial1',
-              'groups': [
+              'experiments': [
                 {
                   'name': 'Group1',
                   'params': [
                     {'key': 'x', 'value': '1'},
                     {'key': 'y', 'value': '2'}
                   ],
                   'enable_features': ['A', 'B'],
                   'disable_features': ['C']
                 },
                 {
@@ skipping 16 matching lines @@
     }
     self.maxDiff = None
     self.assertEqual(expected, result)
 
   def test_FieldTrialToDescriptionMultipleSinglePlatformSingleTrial(self):
     result = fieldtrial_to_struct._FieldTrialConfigToDescription(
         self._MULTIPLE_PLATFORM_CONFIG, 'mac')
     expected = {
       'elements': {
         'kFieldTrialConfig': {
-          'trials': [
+          'studies': [
             {
               'name': 'Trial2',
-              'groups': [
+              'experiments': [
                 {
                   'name': 'OtherGroup',
                 },
               ],
             },
           ]
         }
       }
     }
     self.maxDiff = None
@@ skipping 21 matching lines @@
     cc_filename = test_output_filename + '.cc'
     with open(cc_filename, 'r') as cc:
       test_cc = cc.read()
       with open('unittest_data/expected_output.cc', 'r') as expected:
         expected_cc = expected.read()
         self.assertEqual(expected_cc, test_cc)
     os.unlink(cc_filename)
 
 if __name__ == '__main__':
   unittest.main()