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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "storage/browser/quota/quota_settings.h"
#include <memory>
#include <optional>
#include <utility>
#include "base/files/scoped_temp_dir.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/numerics/safe_conversions.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "storage/browser/quota/quota_device_info_helper.h"
#include "storage/browser/quota/quota_features.h"
#include "testing/gmock/include/gmock/gmock.h"
using ::testing::_;
namespace {
constexpr uint64_t kLowPhysicalMemory = 1024 * 1024;
constexpr uint64_t kHighPhysicalMemory = 65536 * kLowPhysicalMemory;
} // namespace
namespace storage {
class MockQuotaDeviceInfoHelper : public QuotaDeviceInfoHelper {
public:
MockQuotaDeviceInfoHelper() = default;
MOCK_CONST_METHOD1(AmountOfTotalDiskSpace, int64_t(const base::FilePath&));
MOCK_CONST_METHOD0(AmountOfPhysicalMemory, uint64_t());
};
class QuotaSettingsTest : public testing::Test {
public:
QuotaSettingsTest() = default;
void SetUp() override { ASSERT_TRUE(data_dir_.CreateUniqueTempDir()); }
// Synchronous proxy to GetNominalDynamicSettings().
std::optional<QuotaSettings> GetSettings(
bool is_incognito,
QuotaDeviceInfoHelper* device_info_helper) {
std::optional<QuotaSettings> quota_settings;
base::RunLoop run_loop;
GetNominalDynamicSettings(
profile_path(), is_incognito, device_info_helper,
base::BindLambdaForTesting([&](std::optional<QuotaSettings> settings) {
quota_settings = std::move(settings);
run_loop.Quit();
}));
run_loop.Run();
return quota_settings;
}
const base::FilePath& profile_path() const { return data_dir_.GetPath(); }
protected:
base::test::ScopedFeatureList scoped_feature_list_;
base::ScopedTempDir data_dir_;
base::test::TaskEnvironment task_environment_;
};
class QuotaSettingsIncognitoTest : public QuotaSettingsTest {
public:
QuotaSettingsIncognitoTest() = default;
protected:
void SetUpDeviceInfoHelper(const int expected_calls,
const uint64_t physical_memory_amount) {
ON_CALL(device_info_helper_, AmountOfPhysicalMemory())
.WillByDefault(::testing::Return(physical_memory_amount));
EXPECT_CALL(device_info_helper_, AmountOfPhysicalMemory())
.Times(expected_calls);
}
void GetAndTestSettings(const uint64_t physical_memory_amount) {
std::optional<QuotaSettings> settings =
GetSettings(true, &device_info_helper_);
ASSERT_TRUE(settings.has_value());
const uint64_t pool_size =
base::checked_cast<uint64_t>(settings->pool_size);
EXPECT_LE(
physical_memory_amount * GetIncognitoQuotaRatioLowerBound_ForTesting(),
pool_size);
EXPECT_GE(
physical_memory_amount * GetIncognitoQuotaRatioUpperBound_ForTesting(),
pool_size);
}
private:
MockQuotaDeviceInfoHelper device_info_helper_;
};
TEST_F(QuotaSettingsTest, Default) {
MockQuotaDeviceInfoHelper device_info_helper;
ON_CALL(device_info_helper, AmountOfTotalDiskSpace(_))
.WillByDefault(::testing::Return(2000));
std::optional<QuotaSettings> settings =
GetSettings(false, &device_info_helper);
ASSERT_TRUE(settings.has_value());
// 1600 = 2000 * default PoolSizeRatio (0.8)
EXPECT_EQ(settings->pool_size, 1600);
// 1200 = 1600 * default PerStorageKeyRatio (.75)
EXPECT_EQ(settings->per_storage_key_quota, 1200);
}
TEST_F(QuotaSettingsTest, FeatureParamsWithLargeFixedQuota) {
scoped_feature_list_.InitAndEnableFeatureWithParameters(
features::kStorageQuotaSettings, {{"MustRemainAvailableBytes", "500"},
{"MustRemainAvailableRatio", "0.01"},
{"PoolSizeBytes", "2000"},
{"PoolSizeRatio", "0.8"},
{"ShouldRemainAvailableBytes", "600"},
{"ShouldRemainAvailableRatio", "0.1"}});
MockQuotaDeviceInfoHelper device_info_helper;
ON_CALL(device_info_helper, AmountOfTotalDiskSpace(_))
.WillByDefault(::testing::Return(2000));
std::optional<QuotaSettings> settings =
GetSettings(false, &device_info_helper);
ASSERT_TRUE(settings.has_value());
EXPECT_EQ(settings->pool_size, 1600);
EXPECT_EQ(settings->must_remain_available, 20);
EXPECT_EQ(settings->should_remain_available, 200);
}
TEST_F(QuotaSettingsTest, FeatureParamsWithSmallFixedQuota) {
scoped_feature_list_.InitAndEnableFeatureWithParameters(
features::kStorageQuotaSettings, {{"MustRemainAvailableBytes", "5"},
{"MustRemainAvailableRatio", "0.01"},
{"PoolSizeBytes", "20"},
{"PoolSizeRatio", "0.8"},
{"ShouldRemainAvailableBytes", "60"},
{"ShouldRemainAvailableRatio", "0.1"}});
MockQuotaDeviceInfoHelper device_info_helper;
ON_CALL(device_info_helper, AmountOfTotalDiskSpace(_))
.WillByDefault(::testing::Return(2000));
std::optional<QuotaSettings> settings =
GetSettings(false, &device_info_helper);
ASSERT_TRUE(settings.has_value());
EXPECT_EQ(settings->pool_size, 20);
EXPECT_EQ(settings->must_remain_available, 5);
EXPECT_EQ(settings->should_remain_available, 60);
}
TEST_F(QuotaSettingsTest, FeatureParamsWithoutFixedQuota) {
scoped_feature_list_.InitAndEnableFeatureWithParameters(
features::kStorageQuotaSettings, {{"MustRemainAvailableRatio", "0.01"},
{"PoolSizeRatio", "0.8"},
{"ShouldRemainAvailableRatio", "0.1"}});
MockQuotaDeviceInfoHelper device_info_helper;
ON_CALL(device_info_helper, AmountOfTotalDiskSpace(_))
.WillByDefault(::testing::Return(2000));
std::optional<QuotaSettings> settings =
GetSettings(false, &device_info_helper);
ASSERT_TRUE(settings.has_value());
EXPECT_EQ(settings->pool_size, 1600);
EXPECT_EQ(settings->must_remain_available, 20);
EXPECT_EQ(settings->should_remain_available, 200);
}
TEST_F(QuotaSettingsIncognitoTest, IncognitoDynamicQuota_LowPhysicalMemory) {
const int expected_device_info_calls = 1;
SetUpDeviceInfoHelper(expected_device_info_calls, kLowPhysicalMemory);
GetAndTestSettings(kLowPhysicalMemory);
}
TEST_F(QuotaSettingsIncognitoTest, IncognitoDynamicQuota_HighPhysicalMemory) {
const int expected_device_info_calls = 1;
SetUpDeviceInfoHelper(expected_device_info_calls, kHighPhysicalMemory);
GetAndTestSettings(kHighPhysicalMemory);
}
} // namespace storage
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