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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/interest_group/interest_group_priority_util.h"
#include <string>
#include "base/containers/flat_map.h"
#include "base/time/time.h"
#include "content/browser/interest_group/storage_interest_group.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/interest_group/ad_auction_constants.h"
#include "third_party/blink/public/common/interest_group/auction_config.h"
#include "third_party/blink/public/common/interest_group/interest_group.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
class InterestGroupPriorityUtilTest : public testing::Test {
public:
InterestGroupPriorityUtilTest() {
storage_interest_group_.interest_group.priority = 2.5;
storage_interest_group_.interest_group.owner = kOrigin;
}
~InterestGroupPriorityUtilTest() override = default;
blink::AuctionConfig auction_config_;
StorageInterestGroup storage_interest_group_;
const url::Origin kOrigin = url::Origin::Create(GURL("https://origin.test"));
const url::Origin kOtherOrigin =
url::Origin::Create(GURL("https://other-origin.test"));
};
// All priority signals maps are null.
TEST_F(InterestGroupPriorityUtilTest, NullSignals) {
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 2}}));
EXPECT_EQ(2, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.one", 2}}));
EXPECT_EQ(5, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.basePriority", 2}}));
EXPECT_EQ(
0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.firstDotProductPriority", 2}}));
EXPECT_EQ(
6,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.firstDotProductPriority", 2}},
/*first_dot_product_priority=*/3));
}
// All priority signals maps exist but are empty.
TEST_F(InterestGroupPriorityUtilTest, EmptySignals) {
auction_config_.non_shared_params.per_buyer_priority_signals.emplace();
auction_config_.non_shared_params.per_buyer_priority_signals->emplace(
kOrigin, base::flat_map<std::string, double>{});
auction_config_.non_shared_params.all_buyers_priority_signals.emplace();
storage_interest_group_.interest_group.priority_signals_overrides.emplace();
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 2}}));
EXPECT_EQ(2, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.one", 2}}));
EXPECT_EQ(5, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.basePriority", 2}}));
}
TEST_F(InterestGroupPriorityUtilTest, PerBuyerSignals) {
auction_config_.non_shared_params.per_buyer_priority_signals.emplace();
auction_config_.non_shared_params.per_buyer_priority_signals->emplace(
kOrigin, base::flat_map<std::string, double>{{"foo", 2}, {"bar", -1.5}});
// <missing>*2
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"one", 2}}));
// 2*-1.5
EXPECT_EQ(-3, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", -1.5}}));
// 2*4 + -1.5*3
EXPECT_EQ(3.5, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 4}, {"bar", 3}}));
// 1*3
EXPECT_EQ(3, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.one", 3}}));
// 2*4 + 1*3
EXPECT_EQ(11, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/
{{"foo", 4}, {"browserSignals.one", 3}}));
}
TEST_F(InterestGroupPriorityUtilTest, PerBuyerSignalsOtherOrigin) {
auction_config_.non_shared_params.per_buyer_priority_signals.emplace();
// Values for another origin should have no effect.
auction_config_.non_shared_params.per_buyer_priority_signals->emplace(
kOtherOrigin,
base::flat_map<std::string, double>{{"foo", 2}, {"bar", -1.5}});
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 2}}));
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 3}, {"bar", 4}}));
// Add an entry for kOrigin with the same key as one of the entries for
// kOtherOrigin, but a different value.
auction_config_.non_shared_params.per_buyer_priority_signals->emplace(
kOrigin, base::flat_map<std::string, double>{{"foo", 5}});
EXPECT_EQ(15, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 3}, {"bar", -30}}));
}
TEST_F(InterestGroupPriorityUtilTest, AllBuyerSignals) {
auction_config_.non_shared_params.all_buyers_priority_signals = {
{"foo", 2}, {"bar", -1.5}};
// <missing>*2
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"one", 2}}));
// 2*-1.5
EXPECT_EQ(-3, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", -1.5}}));
// 2*4 + -1.5*3
EXPECT_EQ(3.5, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 4}, {"bar", 3}}));
// 1*3
EXPECT_EQ(3, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.one", 3}}));
// 2*4 + 1*3
EXPECT_EQ(11, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/
{{"foo", 4}, {"browserSignals.one", 3}}));
}
TEST_F(InterestGroupPriorityUtilTest, PrioritySignalsOverrides) {
storage_interest_group_.interest_group.priority_signals_overrides = {
{"foo", 2},
{"bar", -1.5},
// This should override the `browserSignals` values added by default.
{"browserSignals.one", -4}};
// <missing>*2
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"one", 2}}));
// 2*-1.5
EXPECT_EQ(-3, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", -1.5}}));
// 2*4 + -1.5*3
EXPECT_EQ(3.5, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 4}, {"bar", 3}}));
// -4 * 3
EXPECT_EQ(-12, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.one", 3}}));
// 2*4 + -4*3
EXPECT_EQ(-4, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/
{{"foo", 4}, {"browserSignals.one", 3}}));
// browserSignals.priority should not be masked.
// 2.5 * 5
EXPECT_EQ(5, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"browserSignals.basePriority", 2}}));
}
// Test relative priority of perBuyerSignals, allBuyersSignals, and
// prioritySignalsOverrides (browserSignals are tested in the overrides test
// case).
TEST_F(InterestGroupPriorityUtilTest, PrioritySignalsMasking) {
storage_interest_group_.interest_group.priority_signals_overrides = {
{"foo", 1}};
auction_config_.non_shared_params.per_buyer_priority_signals.emplace();
auction_config_.non_shared_params.per_buyer_priority_signals->emplace(
kOrigin, base::flat_map<std::string, double>{{"foo", 10}, {"bar", 2}});
auction_config_.non_shared_params.all_buyers_priority_signals = {
{"foo", 10}, {"bar", 10}, {"baz", 3}};
// "foo" should come from `priority_signals_overrides`, masking the values in
// the other two maps.
EXPECT_EQ(1, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"foo", 1}}));
// "bar" should come from `per_buyer_priority_signals`, masking the value in
// `all_buyers_priority_signals`.
EXPECT_EQ(2, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"bar", 1}}));
// "baz" should come from `all_buyers_priority_signals`, since no other maps
// have an entry for it.
EXPECT_EQ(3, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/{{"baz", 1}}));
// Combine one value from each map.
//
// 1*1 + 2*2 + 3*3 + 4*<null>
EXPECT_EQ(14, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base::Time(),
/*priority_vector=*/
{{"foo", 1}, {"bar", 2}, {"baz", 3}, {"qux", 4}}));
}
TEST_F(InterestGroupPriorityUtilTest, BrowserSignalsAge) {
base::Time base_time = base::Time::Now();
storage_interest_group_.join_time = base_time;
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base_time,
/*priority_vector=*/{{"browserSignals.ageInMinutes", 2}}));
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base_time,
/*priority_vector=*/{{"browserSignals.ageInMinutesMax60", 2}}));
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base_time,
/*priority_vector=*/{{"browserSignals.ageInHoursMax24", 2}}));
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base_time,
/*priority_vector=*/{{"browserSignals.ageInDaysMax30", 2}}));
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, base_time,
/*priority_vector=*/{{"browserSignals.ageInDaysMax90", 2}}));
// Add 59 seconds to make sure minutes are not rounded up. Don't need to do
// this for hours or years because the 59 minutes case test hours aren't
// rounded up, and the 23 hours test makes sure days aren't rounded up.
base::Time fifty_nine_minutes_from_base =
base_time + base::Minutes(59) + base::Seconds(59);
EXPECT_EQ(118, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
fifty_nine_minutes_from_base,
/*priority_vector=*/{{"browserSignals.ageInMinutes", 2}}));
EXPECT_EQ(118,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
fifty_nine_minutes_from_base,
/*priority_vector=*/{{"browserSignals.ageInMinutesMax60", 2}}));
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
fifty_nine_minutes_from_base,
/*priority_vector=*/{{"browserSignals.ageInHoursMax24", 2}}));
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
fifty_nine_minutes_from_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax30", 2}}));
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
fifty_nine_minutes_from_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax90", 2}}));
base::Time twenty_three_hours_frome_base = base_time + base::Hours(23);
EXPECT_EQ(2 * 23 * 60,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
twenty_three_hours_frome_base,
/*priority_vector=*/{{"browserSignals.ageInMinutes", 2}}));
EXPECT_EQ(2 * 60,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
twenty_three_hours_frome_base,
/*priority_vector=*/{{"browserSignals.ageInMinutesMax60", 2}}));
EXPECT_EQ(2 * 23,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
twenty_three_hours_frome_base,
/*priority_vector=*/{{"browserSignals.ageInHoursMax24", 2}}));
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
twenty_three_hours_frome_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax30", 2}}));
EXPECT_EQ(0, CalculateInterestGroupPriority(
auction_config_, storage_interest_group_,
twenty_three_hours_frome_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax90", 2}}));
base::Time twenty_nine_days_frome_base = base_time + base::Days(29);
EXPECT_EQ(
2 * 29 * 24 * 60,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, twenty_nine_days_frome_base,
/*priority_vector=*/{{"browserSignals.ageInMinutes", 2}}));
EXPECT_EQ(
2 * 60,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, twenty_nine_days_frome_base,
/*priority_vector=*/{{"browserSignals.ageInMinutesMax60", 2}}));
EXPECT_EQ(
2 * 24,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, twenty_nine_days_frome_base,
/*priority_vector=*/{{"browserSignals.ageInHoursMax24", 2}}));
EXPECT_EQ(
2 * 29,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, twenty_nine_days_frome_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax30", 2}}));
EXPECT_EQ(
2 * 29,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, twenty_nine_days_frome_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax90", 2}}));
base::Time one_year_from_base = base_time + base::Days(365);
EXPECT_EQ(2 * blink::MaxInterestGroupLifetime().InDays() * 24 * 60,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_from_base,
/*priority_vector=*/{{"browserSignals.ageInMinutes", 2}}));
EXPECT_EQ(2 * 60,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_from_base,
/*priority_vector=*/{{"browserSignals.ageInMinutesMax60", 2}}));
EXPECT_EQ(2 * 24,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_from_base,
/*priority_vector=*/{{"browserSignals.ageInHoursMax24", 2}}));
EXPECT_EQ(2 * 30,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_from_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax30", 2}}));
EXPECT_EQ(2 * blink::MaxInterestGroupLifetime().InDays(),
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_from_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax90", 2}}));
base::Time one_year_before_base = base_time - base::Days(365);
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_before_base,
/*priority_vector=*/{{"browserSignals.ageInMinutes", 2}}));
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_before_base,
/*priority_vector=*/{{"browserSignals.ageInMinutesMax60", 2}}));
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_before_base,
/*priority_vector=*/{{"browserSignals.ageInHoursMax24", 2}}));
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_before_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax30", 2}}));
EXPECT_EQ(0,
CalculateInterestGroupPriority(
auction_config_, storage_interest_group_, one_year_before_base,
/*priority_vector=*/{{"browserSignals.ageInDaysMax90", 2}}));
}
} // namespace content
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