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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2025
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/PathView.h"
#include "td/utils/port/thread_local.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include "td/utils/StringBuilder.h"
#include "td/utils/tests.h"
#include <utility>
namespace td {
namespace simple_test {
class DebugContext {
public:
static DebugContext &instance() {
static TD_THREAD_LOCAL DebugContext *instance{};
init_thread_local<DebugContext>(instance);
return *instance;
}
template <typename T>
void add(Slice name, const T &value, CSlice file = {}, int line = 0) {
StringBuilder sb;
sb << name << "=" << value;
if (file.empty()) {
sb << " (at " << PathView(file).file_name() << ":" << line << ")";
}
values_.emplace_back(name.str(), sb.as_cslice().str());
}
void pop_back() {
if (!values_.empty()) {
values_.pop_back();
}
}
friend StringBuilder &operator<<(StringBuilder &sb, const DebugContext &ctx) {
if (ctx.values_.empty()) {
return sb;
}
sb << "\nDebug context:";
for (const auto &pair : ctx.values_) {
sb << "\n " << pair.second;
}
return sb;
}
private:
vector<std::pair<string, string>> values_;
};
template <typename T>
class ScopedDebugValue {
public:
ScopedDebugValue(Slice name, const T &value, CSlice file = {}, int line = 0) : name_(name.str()) {
DebugContext::instance().add(name_, value, file, line);
}
~ScopedDebugValue() {
DebugContext::instance().pop_back();
}
private:
string name_;
};
inline Status format_error(StringBuilder &sb, const char *file, int line) {
sb << "\n\tat " << PathView(Slice(file)).file_name() << ":" << line << DebugContext::instance();
return Status::Error(sb.as_cslice());
}
} // namespace simple_test
class StatusTest : public Test {
public:
~StatusTest() override = default;
virtual Status run_test() = 0;
virtual string get_test_name() const = 0;
void run() override {
auto status = run_test();
if (status.is_ok()) {
LOG(INFO) << "Test " << get_test_name() << " PASSED";
} else {
// Include debug context in error message if available
LOG(ERROR) << "Test " << get_test_name() << " FAILED: " << status.message()
<< simple_test::DebugContext::instance();
}
}
};
// Macro for defining status-based tests
#define S_TEST(test_case_name, test_name) \
class TD_CONCAT(StatusTest_, TD_CONCAT(test_case_name, TD_CONCAT(_, test_name))) final : public ::td::StatusTest { \
public: \
::td::Status run_test() override; \
::td::string get_test_name() const override { \
return #test_case_name "." #test_name; \
} \
}; \
::td::RegisterTest<TD_CONCAT(StatusTest_, TD_CONCAT(test_case_name, TD_CONCAT(_, test_name)))> TD_CONCAT( \
status_test_instance_, \
TD_CONCAT(TD_CONCAT(test_case_name, TD_CONCAT(_, test_name)), __LINE__))(#test_case_name "." #test_name); \
::td::Status TD_CONCAT(StatusTest_, TD_CONCAT(test_case_name, TD_CONCAT(_, test_name)))::run_test()
// Add a debug value within current scope with file/line info
#define TEST_DEBUG_VALUE(name, value) \
::td::simple_test::ScopedDebugValue<decltype(value)> TD_CONCAT(debug_value_, __LINE__)(#name, value, __FILE__, \
__LINE__)
#define TEST_TRY_RESULT(name, expr) \
auto TD_CONCAT(r_, __LINE__) = (expr); \
if (TD_CONCAT(r_, __LINE__).is_error()) { \
auto error = TD_CONCAT(r_, __LINE__).move_as_error(); \
::td::StringBuilder sb; \
sb << "\nFailed to execute " << #expr << ":\n\t" << error.message(); \
return ::td::simple_test::format_error(sb, __FILE__, __LINE__); \
} \
auto name = TD_CONCAT(r_, __LINE__).move_as_ok(); \
TEST_DEBUG_VALUE(name, name)
#define TEST_TRY_STATUS(expr) \
{ \
auto result = (expr); \
if (result.is_error()) { \
::td::StringBuilder sb; \
sb << "\nFailed to execute " << #expr << ":\n\t" << result.error().message(); \
return ::td::simple_test::format_error(sb, __FILE__, __LINE__); \
} \
}
#define TEST_ASSERT(condition, message) \
if (!(condition)) { \
::td::StringBuilder sb; \
sb << "\nAssertion failed: " << #condition << " -\n\t" << message; \
return ::td::simple_test::format_error(sb, __FILE__, __LINE__); \
}
#define TEST_ASSERT_EQ(expected_, received_, message) \
{ \
const auto &expected = (expected_); \
const auto &received = (received_); \
if (!(expected == received)) { \
::td::StringBuilder sb; \
sb << "\n" \
<< #received_ << " != " << #expected_ << " - " << message << "\n\texpected: " << expected \
<< "\n\treceived:" << received; \
return ::td::simple_test::format_error(sb, __FILE__, __LINE__); \
} \
}
} // namespace td
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