Move active field trial API to variations component.

chrome/common/metrics/variations/variations_util_unittest.cc

-// Copyright (c) 2012 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.
-
-#include "chrome/common/metrics/variations/variations_util.h"
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/metrics/field_trial.h"
-#include "components/variations/metrics_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace chrome_variations {
-
-class VariationsUtilTest : public ::testing::Test {
- public:
-  VariationsUtilTest() : field_trial_list_(NULL) {
-  }
-
-  virtual ~VariationsUtilTest() {
-    // Ensure that the maps are cleared between tests, since they are stored as
-    // process singletons.
-    testing::ClearAllVariationIDs();
-  }
-
- private:
-  base::FieldTrialList field_trial_list_;
-
-  DISALLOW_COPY_AND_ASSIGN(VariationsUtilTest);
-};
-
-TEST_F(VariationsUtilTest, GetFieldTrialActiveGroups) {
-  typedef std::set<ActiveGroupId, ActiveGroupIdCompare> ActiveGroupIdSet;
-  std::string trial_one("trial one");
-  std::string group_one("group one");
-  std::string trial_two("trial two");
-  std::string group_two("group two");
-
-  base::FieldTrial::ActiveGroups active_groups;
-  base::FieldTrial::ActiveGroup active_group;
-  active_group.trial_name = trial_one;
-  active_group.group_name = group_one;
-  active_groups.push_back(active_group);
-
-  active_group.trial_name = trial_two;
-  active_group.group_name = group_two;
-  active_groups.push_back(active_group);
-
-  // Create our expected groups of IDs.
-  ActiveGroupIdSet expected_groups;
-  ActiveGroupId name_group_id;
-  name_group_id.name = metrics::HashName(trial_one);
-  name_group_id.group = metrics::HashName(group_one);
-  expected_groups.insert(name_group_id);
-  name_group_id.name = metrics::HashName(trial_two);
-  name_group_id.group = metrics::HashName(group_two);
-  expected_groups.insert(name_group_id);
-
-  std::vector<ActiveGroupId> active_group_ids;
-  testing::TestGetFieldTrialActiveGroupIds(active_groups, &active_group_ids);
-  EXPECT_EQ(2U, active_group_ids.size());
-  for (size_t i = 0; i < active_group_ids.size(); ++i) {
-    ActiveGroupIdSet::iterator expected_group =
-        expected_groups.find(active_group_ids[i]);
-    EXPECT_FALSE(expected_group == expected_groups.end());
-    expected_groups.erase(expected_group);
-  }
-  EXPECT_EQ(0U, expected_groups.size());
-}
-
-}  // namespace chrome_variations