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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/variations/active_field_trials.h"
#include <stddef.h>
#include <string_view>
#include "components/variations/hashing.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace variations {
TEST(ActiveFieldTrialsTest, 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 = HashName(trial_one);
name_group_id.group = HashName(group_one);
expected_groups.insert(name_group_id);
name_group_id.name = HashName(trial_two);
name_group_id.group = HashName(group_two);
expected_groups.insert(name_group_id);
std::vector<ActiveGroupId> active_group_ids;
testing::TestGetFieldTrialActiveGroupIds(std::string_view(), active_groups,
&active_group_ids);
EXPECT_EQ(2U, active_group_ids.size());
for (size_t i = 0; i < active_group_ids.size(); ++i) {
auto 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());
}
TEST(ActiveFieldTrialsTest, GetFieldTrialActiveGroupsWithSuffix) {
std::string trial_one("trial one");
std::string group_one("group one");
std::string suffix("some_suffix");
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);
std::vector<ActiveGroupId> active_group_ids;
testing::TestGetFieldTrialActiveGroupIds(suffix, active_groups,
&active_group_ids);
EXPECT_EQ(1U, active_group_ids.size());
uint32_t expected_name = HashName("trial onesome_suffix");
uint32_t expected_group = HashName("group onesome_suffix");
EXPECT_EQ(expected_name, active_group_ids[0].name);
EXPECT_EQ(expected_group, active_group_ids[0].group);
}
TEST(ActiveFieldTrialsTest,
GetFieldTrialActiveGroupsProvidesDifferentHashesForOverriddenTrials) {
std::string trial_one("trial one");
std::string group_one("group one");
base::FieldTrial::ActiveGroup active_group;
active_group.trial_name = trial_one;
active_group.group_name = group_one;
active_group.is_overridden = true;
std::vector<ActiveGroupId> active_group_ids;
testing::TestGetFieldTrialActiveGroupIds(std::string_view(), {active_group},
&active_group_ids);
ASSERT_EQ(1U, active_group_ids.size());
EXPECT_EQ(active_group_ids[0].name, HashName(trial_one));
EXPECT_EQ(active_group_ids[0].group, HashName("group one_MANUALLY_FORCED"));
active_group_ids.clear();
testing::TestGetFieldTrialActiveGroupIds("_suffix", {active_group},
&active_group_ids);
ASSERT_EQ(1U, active_group_ids.size());
EXPECT_EQ(active_group_ids[0].name, HashName("trial one_suffix"));
EXPECT_EQ(active_group_ids[0].group,
HashName("group one_suffix_MANUALLY_FORCED"));
}
} // namespace variations
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