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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 "components/segmentation_platform/internal/database/ukm_metrics_table.h"
#include <memory>
#include "base/rand_util.h"
#include "components/segmentation_platform/internal/database/ukm_database_test_utils.h"
#include "sql/database.h"
#include "sql/statement.h"
#include "sql/test/test_helpers.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace segmentation_platform {
namespace {
UkmMetricsTable::MetricsRow GetSampleMetricsRow() {
static auto event_id_generator = MetricsRowEventId::Generator();
static auto event_hash_generator = UkmEventHash::Generator();
static auto metric_hash_generator = UkmMetricHash::Generator();
return UkmMetricsTable::MetricsRow{
.event_timestamp = base::Time::Now(),
.source_id = base::RandInt(0, 1000),
.event_id = event_id_generator.GenerateNextId(),
.event_hash = event_hash_generator.GenerateNextId(),
.metric_hash = metric_hash_generator.GenerateNextId(),
.metric_value = base::RandInt(-1000, 1000)};
}
} // namespace
class UkmMetricsTableTest : public testing::Test {
public:
UkmMetricsTableTest() = default;
~UkmMetricsTableTest() override = default;
void SetUp() override {
db_ = std::make_unique<sql::Database>(sql::test::kTestTag);
bool opened = db_->OpenInMemory();
ASSERT_TRUE(opened);
metrics_table_ = std::make_unique<UkmMetricsTable>(db_.get());
}
void TearDown() override {
metrics_table_.reset();
db_.reset();
}
UkmMetricsTable& metrics_table() { return *metrics_table_; }
sql::Database& db() { return *db_; }
private:
std::unique_ptr<sql::Database> db_;
std::unique_ptr<UkmMetricsTable> metrics_table_;
};
TEST_F(UkmMetricsTableTest, CreateTable) {
ASSERT_TRUE(metrics_table().InitTable());
EXPECT_TRUE(db().DoesTableExist(UkmMetricsTable::kTableName));
EXPECT_TRUE(db().DoesIndexExist("event_timestamp_index"));
EXPECT_TRUE(db().DoesIndexExist("url_id_index"));
EXPECT_TRUE(db().DoesIndexExist("ukm_source_id_index"));
EXPECT_TRUE(db().DoesIndexExist("event_hash_index"));
// Creating table again should be noop.
ASSERT_TRUE(metrics_table().InitTable());
EXPECT_TRUE(db().DoesTableExist(UkmMetricsTable::kTableName));
}
TEST_F(UkmMetricsTableTest, InsertRow) {
ASSERT_TRUE(metrics_table().InitTable());
EXPECT_TRUE(db().DoesTableExist(UkmMetricsTable::kTableName));
// Invalid rows should not inserted.
UkmMetricsTable::MetricsRow row;
EXPECT_FALSE(metrics_table().AddUkmEvent(row));
auto row1 = GetSampleMetricsRow();
row1.event_timestamp = base::Time();
EXPECT_FALSE(metrics_table().AddUkmEvent(row1));
test_util::AssertRowsInMetricsTable(db(), {});
auto row2 = GetSampleMetricsRow();
EXPECT_TRUE(metrics_table().AddUkmEvent(row2));
test_util::AssertRowsInMetricsTable(db(), {row2});
auto row3 = GetSampleMetricsRow();
EXPECT_TRUE(metrics_table().AddUkmEvent(row3));
test_util::AssertRowsInMetricsTable(db(), {row2, row3});
}
TEST_F(UkmMetricsTableTest, DeleteForUrl) {
auto url_id_generator = UrlId::Generator();
const UrlId url_id1 = url_id_generator.GenerateNextId();
const UrlId url_id2 = url_id_generator.GenerateNextId();
const UrlId url_id3 = url_id_generator.GenerateNextId();
ASSERT_TRUE(metrics_table().InitTable());
// Delete on empty table does nothing.
EXPECT_TRUE(metrics_table().DeleteEventsForUrls({}));
test_util::AssertRowsInMetricsTable(db(), {});
EXPECT_TRUE(metrics_table().DeleteEventsForUrls({url_id1}));
test_util::AssertRowsInMetricsTable(db(), {});
auto row1 = GetSampleMetricsRow();
row1.url_id = url_id1;
EXPECT_TRUE(metrics_table().AddUkmEvent(row1));
auto row2 = GetSampleMetricsRow();
row2.url_id = url_id1;
EXPECT_TRUE(metrics_table().AddUkmEvent(row2));
auto row3 = GetSampleMetricsRow();
row3.url_id = url_id2;
EXPECT_TRUE(metrics_table().AddUkmEvent(row3));
auto row4 = GetSampleMetricsRow();
row4.url_id = url_id2;
EXPECT_TRUE(metrics_table().AddUkmEvent(row4));
test_util::AssertRowsInMetricsTable(db(), {row1, row2, row3, row4});
// Remove empty URL list.
EXPECT_TRUE(metrics_table().DeleteEventsForUrls({}));
test_util::AssertRowsInMetricsTable(db(), {row1, row2, row3, row4});
// Remove matching URL ID, should remove 2 rows.
EXPECT_TRUE(metrics_table().DeleteEventsForUrls({url_id1}));
test_util::AssertRowsInMetricsTable(db(), {row3, row4});
// Remove non-existent URL IDs, no change to db.
EXPECT_TRUE(metrics_table().DeleteEventsForUrls({url_id1, url_id3}));
test_util::AssertRowsInMetricsTable(db(), {row3, row4});
auto row5 = GetSampleMetricsRow();
row5.url_id = url_id3;
EXPECT_TRUE(metrics_table().AddUkmEvent(row5));
auto row6 = GetSampleMetricsRow();
row6.url_id = url_id3;
EXPECT_TRUE(metrics_table().AddUkmEvent(row6));
test_util::AssertRowsInMetricsTable(db(), {row3, row4, row5, row6});
// Remove all URL IDs, should clear the table.
EXPECT_TRUE(metrics_table().DeleteEventsForUrls({url_id1, url_id2, url_id3}));
test_util::AssertRowsInMetricsTable(db(), {});
}
TEST_F(UkmMetricsTableTest, DeleteBeforeTimestamp) {
const base::Time kTimestamp1 = base::Time::Now();
const base::Time kTimestamp2 = kTimestamp1 + base::Seconds(1);
const base::Time kTimestamp3 = kTimestamp1 + base::Seconds(2);
const base::Time kTimestamp4 = kTimestamp1 + base::Seconds(3);
const base::Time kTimestamp5 = kTimestamp1 + base::Seconds(4);
const UrlId kUrl1 = UrlId::FromUnsafeValue(1);
const UrlId kUrl2 = UrlId::FromUnsafeValue(2);
const UrlId kUrl3 = UrlId::FromUnsafeValue(3);
const UrlId kUrl4 = UrlId::FromUnsafeValue(4);
ASSERT_TRUE(metrics_table().InitTable());
// Delete on empty table does nothing.
std::vector<UrlId> empty_set;
EXPECT_EQ(empty_set,
metrics_table().DeleteEventsBeforeTimestamp(base::Time()));
test_util::AssertRowsInMetricsTable(db(), {});
EXPECT_EQ(empty_set,
metrics_table().DeleteEventsBeforeTimestamp(kTimestamp1));
test_util::AssertRowsInMetricsTable(db(), {});
auto row1 = GetSampleMetricsRow();
row1.event_timestamp = kTimestamp1;
row1.url_id = kUrl1;
EXPECT_TRUE(metrics_table().AddUkmEvent(row1));
auto row2 = GetSampleMetricsRow();
row2.event_timestamp = kTimestamp2;
row2.url_id = kUrl2;
EXPECT_TRUE(metrics_table().AddUkmEvent(row2));
auto row3 = GetSampleMetricsRow();
row3.event_timestamp = kTimestamp3;
row3.url_id = kUrl3;
EXPECT_TRUE(metrics_table().AddUkmEvent(row3));
auto row4 = GetSampleMetricsRow();
row4.event_timestamp = kTimestamp4;
row4.url_id = kUrl4;
EXPECT_TRUE(metrics_table().AddUkmEvent(row4));
test_util::AssertRowsInMetricsTable(db(), {row1, row2, row3, row4});
// Delete with time before all rows does nothing.
EXPECT_EQ(empty_set,
metrics_table().DeleteEventsBeforeTimestamp(base::Time()));
test_util::AssertRowsInMetricsTable(db(), {row1, row2, row3, row4});
EXPECT_EQ(empty_set, metrics_table().DeleteEventsBeforeTimestamp(
kTimestamp1 - base::Seconds(1)));
test_util::AssertRowsInMetricsTable(db(), {row1, row2, row3, row4});
// Remove single row.
EXPECT_EQ(std::vector<UrlId>({kUrl1}),
metrics_table().DeleteEventsBeforeTimestamp(kTimestamp1));
test_util::AssertRowsInMetricsTable(db(), {row2, row3, row4});
// Add more rows with UrlId3.
auto row5 = GetSampleMetricsRow();
row5.event_timestamp = kTimestamp5;
row5.url_id = kUrl3;
EXPECT_TRUE(metrics_table().AddUkmEvent(row5));
auto row6 = GetSampleMetricsRow();
row6.event_timestamp = kTimestamp5;
row6.url_id = kUrl3;
EXPECT_TRUE(metrics_table().AddUkmEvent(row6));
test_util::AssertRowsInMetricsTable(db(), {row2, row3, row4, row5, row6});
// Remove bunch of rows. UrlId3 should not be part of removed list since 2
// other metrics reference it.
EXPECT_EQ(std::vector<UrlId>({kUrl2, kUrl4}),
metrics_table().DeleteEventsBeforeTimestamp(kTimestamp4));
test_util::AssertRowsInMetricsTable(db(), {row5, row6});
// Insert entry with an older timestamp out of order and remove old entries
// should still work.
EXPECT_TRUE(metrics_table().AddUkmEvent(row1));
test_util::AssertRowsInMetricsTable(db(), {row5, row6, row1});
EXPECT_EQ(std::vector<UrlId>({kUrl1}),
metrics_table().DeleteEventsBeforeTimestamp(kTimestamp4));
test_util::AssertRowsInMetricsTable(db(), {row5, row6});
// Removing multiple entries with same timestamp and url should return the
// right url to be removed.
EXPECT_EQ(std::vector<UrlId>({kUrl3}),
metrics_table().DeleteEventsBeforeTimestamp(kTimestamp5));
test_util::AssertRowsInMetricsTable(db(), {});
}
TEST_F(UkmMetricsTableTest, MatchHashesTest) {
const UkmEventHash event_hash1 = UkmEventHash::FromUnsafeValue(1);
const UkmEventHash event_hash2 =
UkmEventHash::FromUnsafeValue(0x9CEA8CBC362AB242);
const UkmEventHash event_hash3 =
UkmEventHash::FromUnsafeValue(std::numeric_limits<uint64_t>::max());
ASSERT_TRUE(metrics_table().InitTable());
UkmMetricsTable::MetricsRow row1 = GetSampleMetricsRow();
row1.event_hash = event_hash1;
EXPECT_TRUE(metrics_table().AddUkmEvent(row1));
UkmMetricsTable::MetricsRow row2 = GetSampleMetricsRow();
row2.event_hash = event_hash2;
EXPECT_TRUE(metrics_table().AddUkmEvent(row2));
UkmMetricsTable::MetricsRow row3 = GetSampleMetricsRow();
row3.event_hash = event_hash3;
EXPECT_TRUE(metrics_table().AddUkmEvent(row3));
auto result1 = test_util::GetMetricsRowWithQuery(
"SELECT * FROM metrics WHERE event_hash = '1'", db());
ASSERT_EQ(1u, result1.size());
test_util::ExpectRowIsEqual(row1, result1[0]);
auto result2 = test_util::GetMetricsRowWithQuery(
"SELECT * FROM metrics WHERE event_hash = '9CEA8CBC362AB242'", db());
ASSERT_EQ(1u, result2.size());
test_util::ExpectRowIsEqual(row2, result2[0]);
auto result3 = test_util::GetMetricsRowWithQuery(
"SELECT * FROM metrics WHERE event_hash = 'FFFFFFFFFFFFFFFF'", db());
ASSERT_EQ(1u, result3.size());
test_util::ExpectRowIsEqual(row2, result2[0]);
}
} // namespace segmentation_platform
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