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// Copyright Epic Games, Inc. All Rights Reserved.
#include "zencore/testing.h"
#include "zencore/logging.h"
#if ZEN_WITH_TESTS
# include <chrono>
# include <cstdlib>
# include <cstdio>
# include <string>
# include <vector>
# include <doctest/doctest.h>
namespace zen::testing {
using namespace std::literals;
struct TestListener : public doctest::IReporter
{
const std::string_view ColorYellow = "\033[0;33m"sv;
const std::string_view ColorNone = "\033[0m"sv;
// constructor has to accept the ContextOptions by ref as a single argument
TestListener(const doctest::ContextOptions&) {}
void report_query(const doctest::QueryData& /*in*/) override {}
void test_run_start() override { RunStart = std::chrono::steady_clock::now(); }
void test_run_end(const doctest::TestRunStats& in) override
{
auto elapsed = std::chrono::steady_clock::now() - RunStart;
double elapsedSeconds = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count() / 1000.0;
// Write machine-readable summary to file if requested (used by xmake test summary table)
const char* summaryFile = std::getenv("ZEN_TEST_SUMMARY_FILE");
if (summaryFile && summaryFile[0] != '\0')
{
if (FILE* f = std::fopen(summaryFile, "w"))
{
std::fprintf(f,
"cases_total=%u\ncases_passed=%u\nassertions_total=%d\nassertions_passed=%d\n"
"elapsed_seconds=%.3f\n",
in.numTestCasesPassingFilters,
in.numTestCasesPassingFilters - in.numTestCasesFailed,
in.numAsserts,
in.numAsserts - in.numAssertsFailed,
elapsedSeconds);
for (const auto& failure : FailedTests)
{
std::fprintf(f, "failed=%s|%s|%u\n", failure.Name.c_str(), failure.File.c_str(), failure.Line);
}
std::fclose(f);
}
}
}
void test_case_start(const doctest::TestCaseData& in) override
{
Current = ∈
ZEN_CONSOLE("{}======== TEST_CASE: {:<50} ========{}", ColorYellow, Current->m_name, ColorNone);
}
// called when a test case is reentered because of unfinished subcases
void test_case_reenter(const doctest::TestCaseData& /*in*/) override
{
ZEN_CONSOLE("{}-------------------------------------------------------------------------------{}", ColorYellow, ColorNone);
}
void test_case_end(const doctest::CurrentTestCaseStats& in) override
{
if (!in.testCaseSuccess && Current)
{
FailedTests.push_back({Current->m_name, Current->m_file.c_str(), Current->m_line});
}
Current = nullptr;
}
void test_case_exception(const doctest::TestCaseException& /*in*/) override {}
void subcase_start(const doctest::SubcaseSignature& in) override
{
ZEN_CONSOLE("{}-------- SUBCASE: {:<50} --------{}",
ColorYellow,
fmt::format("{}/{}", Current->m_name, in.m_name.c_str()),
ColorNone);
}
void subcase_end() override {}
void log_assert(const doctest::AssertData& /*in*/) override {}
void log_message(const doctest::MessageData& /*in*/) override {}
void test_case_skipped(const doctest::TestCaseData& /*in*/) override {}
const doctest::TestCaseData* Current = nullptr;
std::chrono::steady_clock::time_point RunStart = {};
struct FailedTestInfo
{
std::string Name;
std::string File;
unsigned Line;
};
std::vector<FailedTestInfo> FailedTests;
};
struct TestRunner::Impl
{
Impl() { REGISTER_LISTENER("ZenTestListener", 1, TestListener); }
doctest::Context Session;
};
TestRunner::TestRunner()
{
m_Impl = std::make_unique<Impl>();
}
TestRunner::~TestRunner()
{
}
int
TestRunner::ApplyCommandLine(int argc, char const* const* argv)
{
m_Impl->Session.applyCommandLine(argc, argv);
for (int i = 1; i < argc; ++i)
{
if (argv[i] == "--debug"sv)
{
zen::logging::SetLogLevel(zen::logging::level::Debug);
}
else if (argv[i] == "--verbose"sv)
{
zen::logging::SetLogLevel(zen::logging::level::Trace);
}
}
return 0;
}
int
TestRunner::Run()
{
return m_Impl->Session.run();
}
} // namespace zen::testing
#endif // ZEN_WITH_TESTS
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