91b291a1a9
Introduced an indirection, tests_launcher, which can run a subset of the 140 tests, this way it's paralelizable by ctest
137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
/*
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This file is part of KDDockWidgets.
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Copyright (C) 2020 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
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Author: Sérgio Martins <sergio.martins@kdab.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QCoreApplication>
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#include <QProcess>
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#include <QDebug>
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#include <qmath.h>
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/// @file
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/// @brief Indirection to run tst_docks.exe. tst_docks is very big (140 tests), so instead we invoke
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/// this launcher N times on a smaller subset, so we can use threads
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static QStringList availableTests()
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{
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QProcess p;
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p.setProgram(QString("%1/tst_docks").arg(qApp->applicationDirPath()));
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p.setArguments({ "-datatags" });
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p.start();
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const bool started = p.waitForStarted();
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if (!started) {
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qWarning() << "Failed to start process" << p.program();
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return {};
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}
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p.waitForFinished();
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const QString output = p.readAllStandardOutput();
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QStringList functions = output.split('\n');
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QStringList result;
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for (QString &function : functions) {
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function = function.replace("()", "").trimmed();
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function = function.replace(" ", ":"); // datatags
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function = function.replace("KDDockWidgets::TestDocks:", "");
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if (!function.isEmpty())
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result << function;
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}
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return result;
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}
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static QStringList calculateSubset(int subsetNumber, int subsetPercentage, const QStringList &allFunctions)
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{
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if (allFunctions.isEmpty()) {
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qWarning() << Q_FUNC_INFO << "No tests to run";
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return {};
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}
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const int blockSize = (subsetPercentage / 100.0) * allFunctions.size();
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const int numBlocks = qCeil(allFunctions.size() / (blockSize * 1.0));
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if (subsetNumber >= numBlocks)
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return {};
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QVector<QStringList> subsets;
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subsets.resize(numBlocks);
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int i = 0;
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// Interleave, since the first tst_docks functions take more time, due to mouse dragging
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for (const QString &func : allFunctions) {
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QStringList &subset = subsets[i % numBlocks];
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subset << func;
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i++;
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}
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return subsets.at(subsetNumber);
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}
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static int run_tests(const QStringList &subset)
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{
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if (subset.isEmpty())
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return 0;
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QProcess p;
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p.setProgram(QString("%1/tst_docks").arg(qApp->applicationDirPath()));
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p.setArguments(subset);
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p.setProcessChannelMode(QProcess::ForwardedChannels);
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p.start();
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const bool started = p.waitForStarted();
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if (!started) {
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qWarning() << "Failed to start process" << p.program();
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return {};
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}
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p.waitForFinished();
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return p.exitCode();
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}
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int main(int argv, char**argc)
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{
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QCoreApplication app(argv, argc);
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if (app.arguments().size() != 3) {
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qWarning() << "Usage:" << app.arguments().constFirst() << "<subsetNumber>" << "<subsetPercentage>";
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return -1;
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}
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bool ok = false;
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const int subsetNumber = app.arguments()[1].toInt(&ok);
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if (!ok) {
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qWarning() << "Invalid number" << app.arguments()[1];
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return -1;
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}
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const int subsetPercentage = app.arguments()[2].toInt(&ok);
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if (!ok) {
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qWarning() << "Invalid number" << app.arguments()[2];
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return -1;
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}
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if (subsetPercentage > 100 || subsetPercentage <= 0) {
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qWarning() << "Invalid percentage" << app.arguments()[2];
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return -1;
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}
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return run_tests(calculateSubset(subsetNumber, subsetPercentage, availableTests()));
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}
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