qt-creator/src/plugins/qmlprofiler/tests/localqmlprofilerrunner_test.cpp

/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#include "localqmlprofilerrunner_test.h"
#include <debugger/analyzer/analyzermanager.h>
#include <debugger/analyzer/analyzerruncontrol.h>
#include <debugger/analyzer/analyzerstartparameters.h>
#include <QtTest>
#include <QTcpServer>

namespace QmlProfiler {
namespace Internal {

LocalQmlProfilerRunnerTest::LocalQmlProfilerRunnerTest(QObject *parent) : QObject(parent)
{
}

void LocalQmlProfilerRunnerTest::testRunner()
{
    Debugger::AnalyzerConnection connection;
    LocalQmlProfilerRunner::Configuration configuration;
    configuration.debuggee.executable = "\\-/|\\-/";
    configuration.debuggee.environment = Utils::Environment::systemEnvironment();

    // should not be used anywhere but cannot be empty
    configuration.socket = connection.analyzerSocket = QString("invalid");

    Debugger::AnalyzerRunControl *rc = Debugger::createAnalyzerRunControl(
                nullptr, ProjectExplorer::Constants::QML_PROFILER_RUN_MODE);
    rc->setConnection(connection);
    auto runner = new LocalQmlProfilerRunner(configuration, rc);

    bool running = false;
    int runCount = 0;

    auto connectRunner = [&]() {
        connect(runner, &LocalQmlProfilerRunner::started, this, [&running, &runCount](){
            QVERIFY(!running);
            ++runCount;
            running = true;
        });
        connect(runner, &LocalQmlProfilerRunner::stopped, this, [&running](){
            QVERIFY(running);
            running = false;
        });
    };

    connectRunner();

    rc->start();

    QTRY_COMPARE_WITH_TIMEOUT(runCount, 1, 10000);
    QTRY_VERIFY_WITH_TIMEOUT(!running, 10000);

    configuration.socket = connection.analyzerSocket = LocalQmlProfilerRunner::findFreeSocket();
    configuration.debuggee.executable = qApp->applicationFilePath();

    // comma is used to specify a test function. In this case, an invalid one.
    configuration.debuggee.commandLineArguments = QString("-test QmlProfiler,");

    delete rc;
    rc = Debugger::createAnalyzerRunControl(
                nullptr, ProjectExplorer::Constants::QML_PROFILER_RUN_MODE);
    rc->setConnection(connection);
    runner = new LocalQmlProfilerRunner(configuration, rc);
    connectRunner();
    rc->start();

    QTRY_COMPARE_WITH_TIMEOUT(runCount, 2, 10000);
    QTRY_VERIFY_WITH_TIMEOUT(!running, 10000);

    delete rc;

    configuration.debuggee.commandLineArguments.clear();
    configuration.socket.clear();
    connection.analyzerSocket.clear();
    configuration.port = connection.analyzerPort =
            LocalQmlProfilerRunner::findFreePort(connection.analyzerHost);
    rc = Debugger::createAnalyzerRunControl(
                nullptr, ProjectExplorer::Constants::QML_PROFILER_RUN_MODE);
    rc->setConnection(connection);
    runner = new LocalQmlProfilerRunner(configuration, rc);
    connectRunner();
    rc->start();

    QTRY_COMPARE_WITH_TIMEOUT(runCount, 3, 10000);
    rc->stop();
    QTRY_VERIFY_WITH_TIMEOUT(!running, 10000);

    delete rc;
}


void LocalQmlProfilerRunnerTest::testFindFreePort()
{
    QString host;
    Utils::Port port = LocalQmlProfilerRunner::findFreePort(host);
    QVERIFY(port.isValid());
    QVERIFY(!host.isEmpty());
    QTcpServer server;
    QVERIFY(server.listen(QHostAddress(host), port.number()));
}

void LocalQmlProfilerRunnerTest::testFindFreeSocket()
{
    QString socket = LocalQmlProfilerRunner::findFreeSocket();
    QVERIFY(!socket.isEmpty());
    QVERIFY(!QFile::exists(socket));
    QFile file(socket);
    QVERIFY(file.open(QIODevice::WriteOnly));
    file.close();
}


} // namespace Internal
} // namespace QmlProfiler