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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/actor/aggregated_journal.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_file.h"
#include "base/test/test_future.h"
#include "base/test/test_trace_processor_impl.h"
#include "chrome/browser/actor/actor_keyed_service.h"
#include "chrome/browser/actor/aggregated_journal_file_serializer.h"
#include "chrome/browser/actor/aggregated_journal_in_memory_serializer.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "chrome/test/base/testing_profile_manager.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace actor {
namespace {
class AggregatedJournalTest : public testing::Test {
public:
AggregatedJournalTest()
: testing_profile_manager_(TestingBrowserProcess::GetGlobal()) {}
~AggregatedJournalTest() override = default;
// testing::Test:
void SetUp() override {
ASSERT_TRUE(testing_profile_manager_.SetUp());
profile_ = testing_profile_manager_.CreateTestingProfile("profile");
}
TestingProfile* profile() { return profile_; }
private:
content::BrowserTaskEnvironment task_environment_;
TestingProfileManager testing_profile_manager_;
raw_ptr<TestingProfile> profile_;
};
class MockJournalObserver : public AggregatedJournal::Observer {
public:
explicit MockJournalObserver(AggregatedJournal& journal)
: journal_(journal.GetSafeRef()) {
journal.AddObserver(this);
}
~MockJournalObserver() override { journal_->RemoveObserver(this); }
MOCK_METHOD(void,
WillAddJournalEntry,
(const AggregatedJournal::Entry& entry),
(override));
private:
base::SafeRef<AggregatedJournal> journal_;
};
TEST_F(AggregatedJournalTest, AddObserver) {
AggregatedJournal& journal = ActorKeyedService::Get(profile())->GetJournal();
MockJournalObserver observer(journal);
EXPECT_CALL(observer, WillAddJournalEntry(testing::_)).Times(1);
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test",
"Nothing");
}
TEST_F(AggregatedJournalTest, SerializerInMemory) {
AggregatedJournal& journal = ActorKeyedService::Get(profile())->GetJournal();
AggregatedJournalInMemorySerializer serializer(journal,
/*max_bytes=*/1024 * 1024);
serializer.Init();
auto begin_entry = journal.CreatePendingAsyncEntry(
GURL("http://example.com"), TaskId(), mojom::JournalTrack::kActor,
"Begin", "Entry");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test",
"Nothing");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test2",
"Nothing");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test3",
"Nothing");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test4",
"Nothing");
begin_entry.reset();
std::vector<uint8_t> result = serializer.Snapshot();
std::vector<char> char_buffer(result.begin(), result.end());
ASSERT_GT(result.size(), 0u);
base::test::TestTraceProcessorImpl ttp;
absl::Status status = ttp.ParseTrace(char_buffer);
ASSERT_TRUE(status.ok()) << status.message();
}
TEST_F(AggregatedJournalTest, SerializerInMemoryTooSmallBuffer) {
AggregatedJournal& journal = ActorKeyedService::Get(profile())->GetJournal();
AggregatedJournalInMemorySerializer serializer(journal, /*max_bytes=*/8);
serializer.Init();
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test",
"Nothing");
// Nothing will get logged because of the small buffer.
std::vector<uint8_t> result = serializer.Snapshot();
ASSERT_EQ(result.size(), 0u);
}
TEST_F(AggregatedJournalTest, SerializerInMemorySmallBuffer) {
AggregatedJournal& journal = ActorKeyedService::Get(profile())->GetJournal();
AggregatedJournalInMemorySerializer serializer(journal, /*max_bytes=*/100);
serializer.Init();
for (size_t i = 0; i < 10; ++i) {
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test",
"Nothing");
}
// We should something but at most 100 bytes.
std::vector<uint8_t> result = serializer.Snapshot();
ASSERT_LT(result.size(), 100u);
ASSERT_GT(result.size(), 0u);
}
TEST_F(AggregatedJournalTest, SerializerInFile) {
AggregatedJournal& journal = ActorKeyedService::Get(profile())->GetJournal();
base::ScopedTempFile temp_file;
ASSERT_TRUE(temp_file.Create());
AggregatedJournalFileSerializer serializer(journal);
base::test::TestFuture<bool> init_future;
serializer.Init(temp_file.path(), init_future.GetCallback());
EXPECT_TRUE(init_future.Get<bool>());
auto begin_entry = journal.CreatePendingAsyncEntry(
GURL("http://example.com"), TaskId(), mojom::JournalTrack::kActor,
"Begin", "Entry");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test",
"Nothing");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test2",
"Nothing");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test3",
"Nothing");
journal.Log(GURL(), TaskId(0), mojom::JournalTrack::kActor, "Test4",
"Nothing");
begin_entry.reset();
base::test::TestFuture<void> shutdown_future;
serializer.Shutdown(shutdown_future.GetCallback());
EXPECT_TRUE(shutdown_future.Wait());
std::optional<std::vector<uint8_t>> result =
base::ReadFileToBytes(temp_file.path());
ASSERT_TRUE(result.has_value());
std::vector<char> char_buffer(result->begin(), result->end());
base::test::TestTraceProcessorImpl ttp;
absl::Status status = ttp.ParseTrace(char_buffer);
ASSERT_TRUE(status.ok()) << status.message();
}
} // namespace
} // namespace actor
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