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// Copyright 2020 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 "components/variations/variations_test_utils.h"
#include <string>
#include "base/base64.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial.h"
#include "components/variations/proto/client_variations.pb.h"
#include "components/variations/variations_associated_data.h"
namespace variations {
bool ExtractVariationIds(const std::string& variations,
std::set<VariationID>* variation_ids,
std::set<VariationID>* trigger_ids) {
std::string serialized_proto;
if (!base::Base64Decode(variations, &serialized_proto))
return false;
ClientVariations proto;
if (!proto.ParseFromString(serialized_proto))
return false;
for (int i = 0; i < proto.variation_id_size(); ++i)
variation_ids->insert(proto.variation_id(i));
for (int i = 0; i < proto.trigger_variation_id_size(); ++i)
trigger_ids->insert(proto.trigger_variation_id(i));
return true;
}
scoped_refptr<base::FieldTrial> CreateTrialAndAssociateId(
const std::string& trial_name,
const std::string& default_group_name,
IDCollectionKey key,
VariationID id) {
AssociateGoogleVariationID(key, trial_name, default_group_name, id);
scoped_refptr<base::FieldTrial> trial(
base::FieldTrialList::CreateFieldTrial(trial_name, default_group_name));
DCHECK(trial);
if (trial) {
// Ensure the trial is registered under the correct key so we can look it
// up.
trial->group();
}
return trial;
}
} // namespace variations
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