/* This file is part of the KDE project
   Copyright (C) 2014 David Faure <faure@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include <qtest.h>
#include <QSignalSpy>
#include <QDir>
#include <QStandardPaths>
#include <QTemporaryDir>

#include <KIO/MkpathJob>

class MkpathJobTest : public QObject
{
    Q_OBJECT

private Q_SLOTS:
    void initTestCase()
    {
        QStandardPaths::enableTestMode(true);

        // To avoid a runtime dependency on klauncher
        qputenv("KDE_FORK_SLAVES", "yes");

        QVERIFY(m_tempDir.isValid());
        m_dir = m_tempDir.path();
    }

    void cleanupTestCase()
    {
    }

    void shouldDoNothingIfExists()
    {
        QVERIFY(QFile::exists(m_dir));
        const QStringList oldEntries = QDir(m_dir).entryList();
        KIO::Job *job = KIO::mkpath(QUrl::fromLocalFile(m_dir));
        job->setUiDelegate(0);
        QSignalSpy spy(job, SIGNAL(directoryCreated(QUrl)));
        QVERIFY2(job->exec(), qPrintable(job->errorString()));
        QVERIFY(QFile::exists(m_dir));
        QCOMPARE(spy.count(), 0);
        QCOMPARE(QDir(m_dir).entryList(), oldEntries); // nothing got created in there
    }

    void shouldCreateOneDirectory()
    {
        QUrl url = QUrl::fromLocalFile(m_dir);
        url.setPath(url.path() + "/subdir1");
        KIO::Job *job = KIO::mkpath(url);
        job->setUiDelegate(0);
        QSignalSpy spy(job, SIGNAL(directoryCreated(QUrl)));
        QVERIFY2(job->exec(), qPrintable(job->errorString()));
        QCOMPARE(spy.count(), 1);
        QVERIFY(QFile::exists(url.toLocalFile()));
    }

    void shouldCreateTwoDirectories()
    {
        QUrl url = QUrl::fromLocalFile(m_dir);
        url.setPath(url.path() + "/subdir2/subsubdir");
        KIO::Job *job = KIO::mkpath(url);
        job->setUiDelegate(0);
        QSignalSpy spy(job, SIGNAL(directoryCreated(QUrl)));
        QVERIFY2(job->exec(), qPrintable(job->errorString()));
        QCOMPARE(spy.count(), 2);
        QVERIFY(QFile::exists(url.toLocalFile()));
    }

    void shouldDoNothingIfExistsWithBasePath()
    {
        const QStringList oldEntries = QDir(m_dir).entryList();
        QUrl url = QUrl::fromLocalFile(m_dir);
        KIO::Job *job = KIO::mkpath(url, url);
        job->setUiDelegate(0);
        QSignalSpy spy(job, SIGNAL(directoryCreated(QUrl)));
        QVERIFY2(job->exec(), qPrintable(job->errorString()));
        QCOMPARE(job->totalAmount(KJob::Directories), 0ULL);
        QCOMPARE(spy.count(), 0);
        QVERIFY(QFile::exists(url.toLocalFile()));
        QCOMPARE(QDir(m_dir).entryList(), oldEntries); // nothing got created in there
    }

    void shouldCreateOneDirectoryWithBasePath()
    {
        QUrl url = QUrl::fromLocalFile(m_dir);
        const QUrl baseUrl = url;
        url.setPath(url.path() + "/subdir3");
        KIO::Job *job = KIO::mkpath(url, baseUrl);
        job->setUiDelegate(0);
        QSignalSpy spy(job, SIGNAL(directoryCreated(QUrl)));
        QVERIFY2(job->exec(), qPrintable(job->errorString()));
        QCOMPARE(spy.count(), 1);
        QCOMPARE(job->totalAmount(KJob::Directories), 1ULL);
        QVERIFY(QFile::exists(url.toLocalFile()));
    }

    void shouldCreateTwoDirectoriesWithBasePath()
    {
        QUrl url = QUrl::fromLocalFile(m_dir);
        const QUrl baseUrl = url;
        url.setPath(url.path() + "/subdir4/subsubdir");
        KIO::Job *job = KIO::mkpath(url, baseUrl);
        job->setUiDelegate(0);
        QSignalSpy spy(job, SIGNAL(directoryCreated(QUrl)));
        QVERIFY2(job->exec(), qPrintable(job->errorString()));
        QCOMPARE(spy.count(), 2);
        QCOMPARE(job->totalAmount(KJob::Directories), 2ULL);
        QVERIFY(QFile::exists(url.toLocalFile()));
    }

    void shouldIgnoreUnrelatedBasePath()
    {
        QUrl url = QUrl::fromLocalFile(m_dir);
        const QUrl baseUrl = url;
        url.setPath(url.path() + "/subdir5/subsubdir");
        KIO::Job *job = KIO::mkpath(url, QUrl::fromLocalFile(QStringLiteral("/does/not/exist")));
        job->setUiDelegate(0);
        QSignalSpy spy(job, SIGNAL(directoryCreated(QUrl)));
        QVERIFY2(job->exec(), qPrintable(job->errorString()));
        QCOMPARE(spy.count(), 2);
        QVERIFY(QFile::exists(url.toLocalFile()));
    }

private:
    QTemporaryDir m_tempDir;
    QString m_dir;
};

QTEST_MAIN(MkpathJobTest)

#include "mkpathjobtest.moc"

