/*
    This file is part of the KDE project
    SPDX-FileCopyrightText: 2019 David Hallas <david@davidhallas.dk>

    SPDX-License-Identifier: LGPL-2.0-only
*/

#include "kprocesslisttest.h"
#include "kprocesslist.h"
#include "kuser.h"
#include <QCoreApplication>
#include <QTest>
#include <algorithm>

namespace
{
QString getTestExeName()
{
    static QString testExeName = QCoreApplication::instance()->applicationFilePath().section(QLatin1Char('/'), -1);
    return testExeName;
}

}

QTEST_MAIN(KProcessListTest)

void KProcessListTest::testKProcessInfoConstructionAssignment()
{
    KProcessList::KProcessInfo processInfoDefaultConstructed;
    QVERIFY(processInfoDefaultConstructed.isValid() == false);
    const qint64 pid(42);
    const QString name(QStringLiteral("/bin/some_exe"));
    const QString user(QStringLiteral("some_user"));
    KProcessList::KProcessInfo processInfo(pid, name, user);
    QVERIFY(processInfo.isValid() == true);
    QCOMPARE(processInfo.pid(), pid);
    QCOMPARE(processInfo.name(), name);
    QCOMPARE(processInfo.user(), user);
    KProcessList::KProcessInfo processInfoCopy(processInfo);
    QVERIFY(processInfoCopy.isValid() == true);
    QCOMPARE(processInfoCopy.pid(), pid);
    QCOMPARE(processInfoCopy.name(), name);
    QCOMPARE(processInfoCopy.user(), user);
    KProcessList::KProcessInfo processInfoAssignment;
    processInfoAssignment = processInfo;
    QVERIFY(processInfoAssignment.isValid() == true);
    QCOMPARE(processInfoAssignment.pid(), pid);
    QCOMPARE(processInfoAssignment.name(), name);
    QCOMPARE(processInfoAssignment.user(), user);
}

void KProcessListTest::testProcessInfoList()
{
    KProcessList::KProcessInfoList processInfoList = KProcessList::processInfoList();
    QVERIFY(processInfoList.empty() == false);
    auto testProcessIterator = std::find_if(processInfoList.begin(), processInfoList.end(), [](const KProcessList::KProcessInfo &info) {
        return QDir::fromNativeSeparators(info.command()).endsWith(QLatin1String("/") + getTestExeName());
    });
    QVERIFY(testProcessIterator != processInfoList.end());
    const auto &processInfo = *testProcessIterator;
    QVERIFY(processInfo.isValid() == true);
    QVERIFY(QDir::fromNativeSeparators(processInfo.command()).endsWith(QLatin1String("/") + getTestExeName()));
    QCOMPARE(processInfo.name(), getTestExeName());
    QCOMPARE(processInfo.pid(), QCoreApplication::applicationPid());
    QCOMPARE(processInfo.user(), KUser().loginName());
}

void KProcessListTest::testProcessInfo()
{
    const qint64 testExePid = QCoreApplication::applicationPid();
    KProcessList::KProcessInfo processInfo = KProcessList::processInfo(testExePid);
    QVERIFY(processInfo.isValid() == true);
    QVERIFY(QDir::fromNativeSeparators(processInfo.command()).endsWith(QLatin1String("/") + getTestExeName()));
    QCOMPARE(processInfo.pid(), testExePid);
    QCOMPARE(processInfo.user(), KUser().loginName());
}

void KProcessListTest::testProcessInfoNotFound()
{
    KProcessList::KProcessInfo processInfo = KProcessList::processInfo(-1);
    QVERIFY(processInfo.isValid() == false);
}
