chromium/components/variations/variations_associated_data_unittest.cc

// Copyright 2013 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/variations_associated_data.h"

#include "base/metrics/field_trial.h"
#include "base/test/mock_entropy_provider.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace variations {

namespace {

const VariationID TEST_VALUE_A = …;
const VariationID TEST_VALUE_B = …;

// Convenience helper to retrieve the variations::VariationID for a FieldTrial.
// Note that this will do the group assignment in |trial| if not already done.
VariationID GetIDForTrial(IDCollectionKey key, base::FieldTrial* trial) { … }

// Call FieldTrialList::FactoryGetFieldTrial().
scoped_refptr<base::FieldTrial> CreateFieldTrial(
    const std::string& trial_name,
    int total_probability,
    const std::string& default_group_name) { … }

}  // namespace

class VariationsAssociatedDataTest : public ::testing::Test { … };

// Test that if the trial is immediately disabled, GetGoogleVariationID just
// returns the empty ID.
TEST_F(VariationsAssociatedDataTest, DisableImmediately) { … }

// Test various successful association cases.
TEST_F(VariationsAssociatedDataTest, AssociateGoogleVariationID) { … }

// Test that not associating a FieldTrial with any IDs ensure that the empty ID
// will be returned.
TEST_F(VariationsAssociatedDataTest, NoAssociation) { … }

// Ensure that the AssociateGoogleVariationIDForce works as expected.
TEST_F(VariationsAssociatedDataTest, ForceAssociation) { … }

}  // namespace variations