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// Copyright (c) 2026 Progmasoft.
// SPDX-License-Identifier: MPL-2.0 WITH AdditionRef-Progmasoft-Exception-2.0
#pragma once
#include <functional>
#include <memory>
#include <string>
#include "Catalog.hpp"
#include "Json.hpp"
#include "Options.hpp"
namespace Catch
{
struct ConfigData;
} // namespace Catch
namespace Progmasoft::Catch3::Runner
{
/// The Catch2 configuration a process that runs tests uses for
/// `options`.
[[nodiscard]] Catch::ConfigData
ToConfigData(const Options &options, const std::string &programName);
/// Receives the events of the tests a `TestExecutor` runs, as the JSON
/// messages a worker sends; see `Protocol.hpp`.
using EventSink = std::function<void(const JsonValue &)>;
/// Runs tests of this binary in this process with Catch2's engine: the
/// sections, generators, assertions and listeners are Catch2's.
///
/// One executor lives for the whole process, because Catch2 allows one
/// run context per process; listeners see one test run, from the first
/// test to the destruction of the executor.
class TestExecutor final
{
public:
TestExecutor(const Options &options,
const Catalog &catalog,
const std::string &programName,
EventSink sink);
TestExecutor(const TestExecutor &) = delete;
TestExecutor &
operator=(const TestExecutor &) = delete;
~TestExecutor();
/// Runs one test. `temporaryDirectory` becomes TMPDIR, TMP and TEMP
/// while it runs; empty leaves them alone.
void
Run(std::size_t index,
std::size_t attempt,
const std::string &temporaryDirectory);
/// The executor's Catch2 configuration and run context.
struct State;
private:
std::unique_ptr<State> state_;
};
/// Serves a runner over the standard streams until it says to stop.
[[nodiscard]] int
RunWorker(const Options &options, const std::string &programName);
} // namespace Progmasoft::Catch3::Runner
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