// Copyright (c) 2018 The Bitcoin Core developers
// Copyright (c) 2019-2021 The Bitcoin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#pragma once

#include <QObject>

#include <set>
#include <string>
#include <utility>

class BitcoinApplication;
class BitcoinGUI;
class RPCConsole;

class AppTests : public QObject {
    Q_OBJECT
public:
    explicit AppTests(BitcoinApplication &app) : m_app(app) {}

private Q_SLOTS:
    void appTests();
    void guiTests(BitcoinGUI *window);
    void consoleTests(RPCConsole *console);

private:
    //! Add expected callback name to list of pending callbacks.
    void expectCallback(std::string callback) {
        m_callbacks.emplace(std::move(callback));
    }

    //! RAII helper to remove no-longer-pending callback.
    struct HandleCallback {
        std::string m_callback;
        AppTests &m_app_tests;
        ~HandleCallback();
    };

    //! Bitcoin application.
    BitcoinApplication &m_app;

    //! Set of pending callback names. Used to track expected callbacks and shut
    //! down the app after the last callback has been handled and all tests have
    //! either run or thrown exceptions. This could be a simple int counter
    //! instead of a set of names, but the names might be useful for debugging.
    std::multiset<std::string> m_callbacks;
};
