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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/chromeos/app_mode/kiosk_app_level_logs_saver.h"
#include <cstddef>
#include <memory>
#include <optional>
#include <string>
#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/app_mode/kiosk_web_app_install_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/devtools/console_message.mojom-data-view.h"
namespace chromeos {
using blink::mojom::ConsoleMessageLevel;
namespace {
constexpr size_t kMaxLogEntriesAllowed = 3000u;
constexpr int kDefaultLineNumber = 100;
const auto* kDefaultMessage = u"This is a log from the extension console.";
const auto* kDefaultSource =
u"chrome-extension://efdahhfldoeikfglgolhibmdidbnpneo/background.js";
const auto* kDefaultStackTrace = u"method1\nmethod2\nmethod3";
const auto* kDefaultFormattedMessage =
u"chrome-extension://efdahhfldoeikfglgolhibmdidbnpneo/background.js:100 "
u"\"This is a log from the extension console.\"";
const auto* kDefaultFormattedMessageWithStackTrace =
u"chrome-extension://efdahhfldoeikfglgolhibmdidbnpneo/background.js:100 "
u"\"This is a log from the extension console.\"\nstack_trace: "
u"method1\nmethod2\nmethod3";
} // namespace
class KioskAppLevelLogsSaverTest : public testing::Test {
public:
KioskAppLevelLogsSaverTest() = default;
KioskAppLevelLogsSaverTest(const KioskAppLevelLogsSaverTest&) = delete;
KioskAppLevelLogsSaverTest& operator=(const KioskAppLevelLogsSaverTest&) =
delete;
void SetUp() override {
logs_saver_ = std::make_unique<KioskAppLevelLogsSaver>(
base::BindRepeating(&KioskAppLevelLogsSaverTest::SaveLogsCallback,
weak_factory_.GetWeakPtr()));
}
KioskAppLevelLogsSaver& logs_saver() {
return CHECK_DEREF(logs_saver_.get());
}
size_t total_logs_saved() { return total_logs_saved_; }
std::u16string& last_saved_log() { return last_saved_log_; }
private:
void SaveLogsCallback(const std::u16string& log,
blink::mojom::ConsoleMessageLevel severity) {
total_logs_saved_++;
last_saved_log_ = log;
}
std::unique_ptr<KioskAppLevelLogsSaver> logs_saver_;
size_t total_logs_saved_ = 0u;
std::u16string last_saved_log_;
base::WeakPtrFactory<KioskAppLevelLogsSaverTest> weak_factory_{this};
};
TEST_F(KioskAppLevelLogsSaverTest, ShouldNotSaveLogAfterMaximumLimit) {
KioskAppLevelLogsSaver::KioskLogMessage log(
kDefaultMessage, ConsoleMessageLevel::kInfo, kDefaultLineNumber,
kDefaultSource, /*untrusted_stack_trace=*/std::nullopt);
CHECK_EQ(total_logs_saved(), 0u);
for (size_t i = 0u; i < kMaxLogEntriesAllowed; i++) {
CHECK_EQ(total_logs_saved(), i);
logs_saver().SaveLog(log);
}
EXPECT_EQ(total_logs_saved(), kMaxLogEntriesAllowed);
logs_saver().SaveLog(log);
// Total logs saved should not increase by the maximum value.
EXPECT_EQ(total_logs_saved(), kMaxLogEntriesAllowed);
}
TEST_F(KioskAppLevelLogsSaverTest, ShouldLogWithProperFormat) {
KioskAppLevelLogsSaver::KioskLogMessage log(
kDefaultMessage, ConsoleMessageLevel::kInfo, kDefaultLineNumber,
kDefaultSource, /*untrusted_stack_trace=*/std::nullopt);
logs_saver().SaveLog(log);
EXPECT_EQ(last_saved_log(), kDefaultFormattedMessage);
}
TEST_F(KioskAppLevelLogsSaverTest, ShouldLogWithStackTraceWithProperFormat) {
KioskAppLevelLogsSaver::KioskLogMessage log(
kDefaultMessage, ConsoleMessageLevel::kInfo, kDefaultLineNumber,
kDefaultSource, kDefaultStackTrace);
logs_saver().SaveLog(log);
EXPECT_EQ(last_saved_log(), kDefaultFormattedMessageWithStackTrace);
}
TEST_F(KioskAppLevelLogsSaverTest, ShouldLogMessageWithoutLogSource) {
KioskAppLevelLogsSaver::KioskLogMessage log(kDefaultMessage,
ConsoleMessageLevel::kInfo);
logs_saver().SaveLog(log);
EXPECT_EQ(last_saved_log(), kDefaultMessage);
}
} // namespace chromeos
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