apptests.cpp

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// Copyright (c) 2018-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#include <qt/test/apptests.h>
 
#include <chainparams.h>
#include <key.h>
#include <qt/bitcoin.h>
#include <qt/bitcoingui.h>
#include <qt/networkstyle.h>
#include <qt/rpcconsole.h>
#include <shutdown.h>
#include <test/util/setup_common.h>
#include <validation.h>
 
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
 
#include <QAction>
#include <QLineEdit>
#include <QRegularExpression>
#include <QScopedPointer>
#include <QSignalSpy>
#include <QString>
#include <QTest>
#include <QTextEdit>
#include <QtGlobal>
#include <QtTest/QtTestWidgets>
#include <QtTest/QtTestGui>
 
namespace {
QString FindInConsole(const QString& output, const QString& pattern)
{
    const QRegularExpression re(pattern);
    return re.match(output).captured(1);
}
 
void TestRpcCommand(RPCConsole* console)
{
    QTextEdit* messagesWidget = console->findChild<QTextEdit*>("messagesWidget");
    QLineEdit* lineEdit = console->findChild<QLineEdit*>("lineEdit");
    QSignalSpy mw_spy(messagesWidget, &QTextEdit::textChanged);
    QVERIFY(mw_spy.isValid());
    QTest::keyClicks(lineEdit, "getblockchaininfo");
    QTest::keyClick(lineEdit, Qt::Key_Return);
    QVERIFY(mw_spy.wait(1000));
    QCOMPARE(mw_spy.count(), 4);
    const QString output = messagesWidget->toPlainText();
    const QString pattern = QStringLiteral("\"chain\": \"(\\w+)\"");
    QCOMPARE(FindInConsole(output, pattern), QString("regtest"));
}
} // namespace
 
void AppTests::appTests()
{
#ifdef Q_OS_MAC
    if (QApplication::platformName() == "minimal") {
        // Disable for mac on "minimal" platform to avoid crashes inside the Qt
        // framework when it tries to look up unimplemented cocoa functions,
        // and fails to handle returned nulls
        // (https://bugreports.qt.io/browse/QTBUG-49686).
        QWARN("Skipping AppTests on mac build with 'minimal' platform set due to Qt bugs. To run AppTests, invoke "
              "with 'QT_QPA_PLATFORM=cocoa test_bitcoin-qt' on mac, or else use a linux or windows build.");
        return;
    }
#endif
 
    fs::create_directories([] {
        BasicTestingSetup test{CBaseChainParams::REGTEST}; // Create a temp data directory to backup the gui settings to
        return gArgs.GetDataDirNet() / "blocks";
    }());
 
    qRegisterMetaType<interfaces::BlockAndHeaderTipInfo>("interfaces::BlockAndHeaderTipInfo");
    m_app.parameterSetup();
    m_app.createOptionsModel(true /* reset settings */);
    QScopedPointer<const NetworkStyle> style(NetworkStyle::instantiate(Params().NetworkIDString()));
    m_app.setupPlatformStyle();
    m_app.createWindow(style.data());
    connect(&m_app, &BitcoinApplication::windowShown, this, &AppTests::guiTests);
    expectCallback("guiTests");
    m_app.baseInitialize();
    m_app.requestInitialize();
    m_app.exec();
    m_app.requestShutdown();
    m_app.exec();
 
    // Reset global state to avoid interfering with later tests.
    LogInstance().DisconnectTestLogger();
    AbortShutdown();
}
 
void AppTests::guiTests(BitcoinGUI* window)
{
    HandleCallback callback{"guiTests", *this};
    connect(window, &BitcoinGUI::consoleShown, this, &AppTests::consoleTests);
    expectCallback("consoleTests");
    QAction* action = window->findChild<QAction*>("openRPCConsoleAction");
    action->activate(QAction::Trigger);
}
 
void AppTests::consoleTests(RPCConsole* console)
{
    HandleCallback callback{"consoleTests", *this};
    TestRpcCommand(console);
}
 
AppTests::HandleCallback::~HandleCallback()
{
    auto& callbacks = m_app_tests.m_callbacks;
    auto it = callbacks.find(m_callback);
    assert(it != callbacks.end());
    callbacks.erase(it);
    if (callbacks.empty()) {
        m_app_tests.m_app.quit();
    }
}