qt5base-lts/tests/auto/widgets/itemviews/qdirmodel/tst_qdirmodel.cpp

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** This file is part of the test suite of the Qt Toolkit.
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#include <QtTest/QtTest>
#include <qdirmodel.h>
#include <qapplication.h>
#include <qtreeview.h>
#include <qdir.h>
#include <qdebug.h>
#include "emulationdetector.h"

class tst_QDirModel : public QObject
{
    Q_OBJECT
public slots:
    void initTestCase();
    void cleanupTestCase();
    void init();
private slots:
    void getSetCheck();
    void unreadable();
    /*
    void construct();
    void rowCount();
    void columnCount();
    void t_data();
    void setData();
    void hasChildren();
    void isEditable();
    void isDragEnabled();
    void isDropEnabled();
    void sort();
    */
    bool rowsAboutToBeRemoved_init(const QString &test_path, const QStringList &initial_files);
    bool rowsAboutToBeRemoved_cleanup(const QString &test_path);
    void rowsAboutToBeRemoved_data();
    void rowsAboutToBeRemoved();

    void mkdir_data();
    void mkdir();

    void rmdir_data();
    void rmdir();

    void filePath();

    void hidden();

    void fileName();
    void fileName_data();
    void task196768_sorting();
    void filter();

    void task244669_remove();

    void roleNames_data();
    void roleNames();
};

// Testing get/set functions
void tst_QDirModel::getSetCheck()
{
    QDirModel obj1;
    // QFileIconProvider * QDirModel::iconProvider()
    // void QDirModel::setIconProvider(QFileIconProvider *)
    QFileIconProvider *var1 = new QFileIconProvider;
    obj1.setIconProvider(var1);
    QCOMPARE(var1, obj1.iconProvider());
    obj1.setIconProvider((QFileIconProvider *)0);
    QCOMPARE((QFileIconProvider *)0, obj1.iconProvider());
    delete var1;

    // bool QDirModel::resolveSymlinks()
    // void QDirModel::setResolveSymlinks(bool)
    obj1.setResolveSymlinks(false);
    QCOMPARE(false, obj1.resolveSymlinks());
    obj1.setResolveSymlinks(true);
    QCOMPARE(true, obj1.resolveSymlinks());

    // bool QDirModel::lazyChildCount()
    // void QDirModel::setLazyChildCount(bool)
    obj1.setLazyChildCount(false);
    QCOMPARE(false, obj1.lazyChildCount());
    obj1.setLazyChildCount(true);
    QCOMPARE(true, obj1.lazyChildCount());
}

void tst_QDirModel::initTestCase()
{
#if defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_EMBEDDED)
    QString dataPath = SRCDIR;
    QString resourceSourcePath = QStringLiteral(":/android_testdata");
    QDirIterator it(resourceSourcePath, QDirIterator::Subdirectories);
    while (it.hasNext()) {
        it.next();

        QFileInfo fileInfo = it.fileInfo();
        if (!fileInfo.isDir()) {
            QString destination = dataPath + QLatin1Char('/') + fileInfo.filePath().mid(resourceSourcePath.length());
            QFileInfo destinationFileInfo(destination);
            if (!destinationFileInfo.exists()) {
                QDir().mkpath(destinationFileInfo.path());
                if (!QFile::copy(fileInfo.filePath(), destination))
                    qWarning("Failed to copy %s", qPrintable(fileInfo.filePath()));
            }
        }
    }
#endif
}

void tst_QDirModel::cleanupTestCase()
{
    QDir current;
    current.rmdir(".qtest_hidden");
}

void tst_QDirModel::init()
{
#ifdef Q_OS_UNIX
    if (QTest::currentTestFunction() == QLatin1String( "unreadable" )) {
        // Make sure that the unreadable file created by the unreadable()
        // test function doesn't already exist.
        QFile unreadableFile(QDir::currentPath() + "qtest_unreadable");
        if (unreadableFile.exists()) {
            unreadableFile.remove();
            QVERIFY(!unreadableFile.exists());
        }
    }
#endif
}

/*
  tests
*/
/*
void tst_QDirModel::construct()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    index = model.index(2, 0, index);
    QVERIFY(index.isValid());
    QFileInfo info(QDir::currentPath() + "/test/file03.tst");
    QCOMPARE(model.filePath(index), info.absoluteFilePath());
}

void tst_QDirModel::rowCount()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());
    QCOMPARE(model.rowCount(index), 4);
}

void tst_QDirModel::columnCount()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());
    QCOMPARE(model.columnCount(index), 4);
}

void tst_QDirModel::t_data()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());
    QCOMPARE(model.rowCount(index), 4);

    index = model.index(2, 0, index);
    QVERIFY(index.isValid());
    QCOMPARE(model.data(index).toString(), QString::fromLatin1("file03.tst"));
    QCOMPARE(model.rowCount(index), 0);
}

void tst_QDirModel::setData()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());

    index = model.index(2, 0, index);
    QVERIFY(index.isValid());
    QVERIFY(!model.setData(index, "file0X.tst", Qt::EditRole));
}

void tst_QDirModel::hasChildren()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());

    index = model.index(2, 0, index);
    QVERIFY(index.isValid());
    QVERIFY(!model.hasChildren(index));
}

void tst_QDirModel::isEditable()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());

    index = model.index(2, 0, index);
    QVERIFY(index.isValid());
    QVERIFY(!(model.flags(index) & Qt::ItemIsEditable));
}

void tst_QDirModel::isDragEnabled()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());

    index = model.index(2, 0, index);
    QVERIFY(index.isValid());
    QVERIFY(model.flags(index) & Qt::ItemIsDragEnabled);
}

void tst_QDirModel::isDropEnabled()
{
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/test");
    QVERIFY(index.isValid());

    index = model.index(2, 0, index);
    QVERIFY(!(model.flags(index) & Qt::ItemIsDropEnabled));
}

void tst_QDirModel::sort()
{
    QDirModel model;
    QModelIndex parent = model.index(QDir::currentPath() + "/test");
    QVERIFY(parent.isValid());

    QModelIndex index = model.index(0, 0, parent);
    QCOMPARE(model.data(index).toString(), QString::fromLatin1("file01.tst"));

    index = model.index(3, 0, parent);
    QCOMPARE(model.data(index).toString(), QString::fromLatin1("file04.tst"));

    model.sort(0, Qt::DescendingOrder);
    parent = model.index(QDir::currentPath() + "/test");

    index = model.index(0, 0, parent);
    QCOMPARE(model.data(index).toString(), QString::fromLatin1("file04.tst"));

    index = model.index(3, 0, parent);
    QCOMPARE(model.data(index).toString(), QString::fromLatin1("file01.tst"));
}
*/

void tst_QDirModel::mkdir_data()
{
    QTest::addColumn<QString>("dirName"); // the directory to be made under <currentpath>/dirtest
    QTest::addColumn<bool>("mkdirSuccess");
    QTest::addColumn<int>("rowCount");

    QTest::newRow("okDirName") << QString("test2") << true << 2;
    QTest::newRow("existingDirName") << QString("test1") << false << 1;
    QTest::newRow("nameWithSpace") << QString("ab cd") << true << 2;
    QTest::newRow("emptyDirName") << QString("") << false << 1;
    QTest::newRow("nullDirName") << QString() << false << 1;

/*
    QTest::newRow("recursiveDirName") << QString("test2/test3") << false << false;
    QTest::newRow("singleDotDirName") << QString("./test3") << true << true;
    QTest::newRow("outOfTreeDirName") << QString("../test4") << false << false;
    QTest::newRow("insideTreeDirName") << QString("../dirtest/test4") << true << true;
    QTest::newRow("insideTreeDirName2") << QString("./././././../dirtest/./../dirtest/test4") << true << true;
    QTest::newRow("absoluteDirName") << QString(QDir::currentPath() + "/dirtest/test5") << true << true;
    QTest::newRow("outOfTreeDirName") << QString(QDir::currentPath() + "/test5") << false << false;

    // Directory names only illegal on Windows
#ifdef Q_OS_WIN
    QTest::newRow("illegalDirName") << QString("*") << false << false;
    QTest::newRow("illegalDirName2") << QString("|") << false << false;
    QTest::newRow("onlySpace") << QString(" ") << false << false;
#endif
    */
}

void tst_QDirModel::mkdir()
{
    QFETCH(QString, dirName);
    QFETCH(bool, mkdirSuccess);
    QFETCH(int, rowCount);

    QDirModel model;
    model.setReadOnly(false);

    QModelIndex parent = model.index(SRCDIR "dirtest");
#ifdef Q_OS_WINRT
    QEXPECT_FAIL("", "Sandboxed applications cannot access SRCDIR - QTBUG-68297", Abort);
#endif
    QVERIFY(parent.isValid());
    QCOMPARE(model.rowCount(parent), 1); // start out with only 'test1' - in's in the depot

    QModelIndex index = model.mkdir(parent, dirName);
    bool success = index.isValid();
    int rows = model.rowCount(parent);

    if (success && !model.rmdir(index))
        QVERIFY(QDir(SRCDIR "dirtests").rmdir(dirName));

    QCOMPARE(rows, rowCount);
    QCOMPARE(success, mkdirSuccess);
}

void tst_QDirModel::rmdir_data()
{
    QTest::addColumn<QString>("dirName"); // <currentpath>/dirtest/dirname
    QTest::addColumn<bool>("rmdirSuccess");
    QTest::addColumn<int>("rowCount");

    QTest::newRow("okDirName") << QString("test2") << true << 2;
    QTest::newRow("existingDirName") << QString("test1") << false << 1;
    QTest::newRow("nameWithSpace") << QString("ab cd") << true << 2;
    QTest::newRow("emptyDirName") << QString("") << false << 1;
    QTest::newRow("nullDirName") << QString() << false << 1;
}

void tst_QDirModel::rmdir()
{
    QFETCH(QString, dirName);
    QFETCH(bool, rmdirSuccess);
    QFETCH(int, rowCount);

    QDirModel model;
    model.setReadOnly(false);

    QModelIndex parent = model.index(SRCDIR  "/dirtest");
#ifdef Q_OS_WINRT
    QEXPECT_FAIL("", "Sandboxed applications cannot access SRCDIR - QTBUG-68297", Abort);
#endif
    QVERIFY(parent.isValid());
    QCOMPARE(model.rowCount(parent), 1); // start out with only 'test1' - in's in the depot

    QModelIndex index;
    if (rmdirSuccess) {
        index = model.mkdir(parent, dirName);
        QVERIFY(index.isValid());
    }

    int rows = model.rowCount(parent);
    bool success = model.rmdir(index);

    if (!success) { // cleanup
        QDir dirtests(SRCDIR  "/dirtests/");
        dirtests.rmdir(dirName);
    }

    QCOMPARE(rows, rowCount);
    QCOMPARE(success, rmdirSuccess);
}

void tst_QDirModel::rowsAboutToBeRemoved_data()
{
    QTest::addColumn<QString>("test_path");
    QTest::addColumn<QStringList>("initial_files");
    QTest::addColumn<int>("remove_row");
    QTest::addColumn<QStringList>("remove_files");
    QTest::addColumn<QStringList>("expected_files");

    QString test_path = "test2";
    QStringList initial_files = (QStringList()
                                 << "file1.tst"
                                 << "file2.tst"
                                 << "file3.tst"
                                 << "file4.tst");

    QTest::newRow("removeFirstRow")
        << test_path
        << initial_files
        << 0
        << (QStringList() << "file1.tst")
        << (QStringList() << "file2.tst" << "file3.tst" << "file4.tst");

    QTest::newRow("removeMiddle")
        << test_path
        << initial_files
        << 1
        << (QStringList() << "file2.tst")
        << (QStringList() << "file1.tst" << "file3.tst" << "file4.tst");

    QTest::newRow("removeLastRow")
        << test_path
        << initial_files
        << 3
        << (QStringList() << "file4.tst")
        << (QStringList() <<  "file1.tst" << "file2.tst" << "file3.tst");

}

bool tst_QDirModel::rowsAboutToBeRemoved_init(const QString &test_path, const QStringList &initial_files)
{
    QString path = QDir::currentPath() + QLatin1Char('/') + test_path;
    if (!QDir::current().mkdir(test_path) && false) { // FIXME
        qDebug() << "failed to create dir" << path;
        return false;
    }

    for (int i = 0; i < initial_files.count(); ++i) {
        QFile file(path + QLatin1Char('/') + initial_files.at(i));
        if (!file.open(QIODevice::WriteOnly)) {
            qDebug() << "failed to open file" << initial_files.at(i);
            return false;
        }
        if (!file.resize(1024)) {
            qDebug() << "failed to resize file" << initial_files.at(i);
            return false;
        }
        if (!file.flush()) {
            qDebug() << "failed to flush file" << initial_files.at(i);
            return false;
        }
    }

    return true;
}

bool tst_QDirModel::rowsAboutToBeRemoved_cleanup(const QString &test_path)
{
    QString path = QDir::currentPath() + QLatin1Char('/') + test_path;
    QDir dir(path, "*", QDir::SortFlags(QDir::Name|QDir::IgnoreCase), QDir::Files);
    QStringList files = dir.entryList();

    for (int i = 0; i < files.count(); ++i) {
        if (!dir.remove(files.at(i))) {
            qDebug() << "failed to remove file" << files.at(i);
            return false;
        }
    }

    if (!QDir::current().rmdir(test_path) && false) { // FIXME
        qDebug() << "failed to remove dir" << test_path;
        return false;
    }

    return true;
}

void tst_QDirModel::rowsAboutToBeRemoved()
{
#ifdef Q_OS_WINRT
    QSKIP("Test fails on WinRT - QTBUG-68297");
#endif
    QFETCH(QString, test_path);
    QFETCH(QStringList, initial_files);
    QFETCH(int, remove_row);
    QFETCH(QStringList, remove_files);
    QFETCH(QStringList, expected_files);

    rowsAboutToBeRemoved_cleanup(test_path); // clean up first
    QVERIFY(rowsAboutToBeRemoved_init(test_path, initial_files));

    QDirModel model;
    model.setReadOnly(false);


    // NOTE: QDirModel will call refresh() when a file is removed. refresh() will reread the entire directory,
    // and emit layoutAboutToBeChanged and layoutChange. So, instead of checking for
    // rowsAboutToBeRemoved/rowsRemoved we check for layoutAboutToBeChanged/layoutChanged
    QSignalSpy spy(&model, SIGNAL(layoutAboutToBeChanged()));

    QModelIndex parent = model.index(test_path);
    QVERIFY(parent.isValid());

    // remove the file
    {
        QModelIndex index = model.index(remove_row, 0, parent);
        QVERIFY(index.isValid());
        QVERIFY(model.remove(index));
    }

    QCOMPARE(spy.count(), 1);

    // Compare the result
    for (int row = 0; row < expected_files.count(); ++row) {
        QModelIndex index = model.index(row, 0, parent);
        QString str = index.data().toString();
        QCOMPARE(str, expected_files.at(row));
    }

    QVERIFY(rowsAboutToBeRemoved_cleanup(test_path));
}

void tst_QDirModel::hidden()
{
#ifndef Q_OS_UNIX
    QSKIP("Test not implemented on non-Unixes");
#else
    QDir current;
    current.mkdir(".qtest_hidden");

    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/.qtest_hidden");
    //QVERIFY(!index.isValid()); // hidden items are not listed, but if you specify a valid path, it will give a valid index

    current.mkdir(".qtest_hidden/qtest_visible");
    QModelIndex index2 = model.index(QDir::currentPath() + "/.qtest_hidden/qtest_visible");
    QVERIFY(index2.isValid());

    QDirModel model2;
    model2.setFilter(model2.filter() | QDir::Hidden);
    index = model2.index(QDir::currentPath() + "/.qtest_hidden");
    QVERIFY(index.isValid());
#endif
}

void tst_QDirModel::fileName_data()
{
    QTest::addColumn<QString>("path");
    QTest::addColumn<QString>("result");

    QTest::newRow("invalid") << "" << "";
    //QTest::newRow("root") << "/" << "/";
    //QTest::newRow("home") << "/home" << "home";
    // TODO add symlink test too
}

void tst_QDirModel::fileName()
{
    QDirModel model;

    QFETCH(QString, path);
    QFETCH(QString, result);
    QCOMPARE(model.fileName(model.index(path)), result);
}

void tst_QDirModel::unreadable()
{
#ifndef Q_OS_UNIX
    QSKIP("Test not implemented on non-Unixes");
#else
    // Create an empty file which has no read permissions (file will be removed by cleanup()).
    QFile unreadableFile(QDir::currentPath() + "qtest_unreadable");
    QVERIFY2(unreadableFile.open(QIODevice::WriteOnly | QIODevice::Text), qPrintable(unreadableFile.errorString()));
    unreadableFile.close();
    QVERIFY(unreadableFile.exists());
    QVERIFY2(unreadableFile.setPermissions(QFile::WriteOwner), qPrintable(unreadableFile.errorString()));

    // Check that we can't make a valid model index from an unreadable file.
    QDirModel model;
    QModelIndex index = model.index(QDir::currentPath() + "/qtest_unreadable");
    QVERIFY(!index.isValid());

    // Check that unreadable files are not treated like hidden files.
    QDirModel model2;
    model2.setFilter(model2.filter() | QDir::Hidden);
    index = model2.index(QDir::currentPath() + "/qtest_unreadable");
    QVERIFY(!index.isValid());
#endif
}

void tst_QDirModel::filePath()
{
    QFile::remove(SRCDIR "test.lnk");
#ifdef Q_OS_WINRT
    QEXPECT_FAIL("", "Sandboxed applications cannot access SRCDIR - QTBUG-68297", Abort);
#endif
    QVERIFY(QFile(SRCDIR "tst_qdirmodel.cpp").link(SRCDIR "test.lnk"));
    QDirModel model;
    model.setResolveSymlinks(false);
    QModelIndex index = model.index(SRCDIR "test.lnk");
    QVERIFY(index.isValid());
#if !defined(Q_OS_ANDROID)
    QString path = SRCDIR;
#else
    QString path = QFileInfo(SRCDIR).absoluteFilePath();
    if (!path.endsWith(QLatin1Char('/')))
        path += QLatin1Char('/');
#endif
    QCOMPARE(model.filePath(index), path + QString( "test.lnk"));
    model.setResolveSymlinks(true);
    QCOMPARE(model.filePath(index), path + QString( "tst_qdirmodel.cpp"));
    QFile::remove(SRCDIR "test.lnk");
}

void tst_QDirModel::task196768_sorting()
{
    //this task showed that the persistent model indexes got corrupted when sorting
    QString path = SRCDIR;

    QDirModel model;

    /* QDirModel has a bug if we show the content of the subdirectory inside a hidden directory
       and we don't add QDir::Hidden. But as QDirModel is deprecated, we decided not to fix it. */
    model.setFilter(QDir::AllEntries | QDir::Hidden | QDir::AllDirs);

    QTreeView view;
    QPersistentModelIndex index = model.index(path);
    view.setModel(&model);
    QModelIndex index2 = model.index(path);
    QCOMPARE(index.data(), index2.data());
    view.setRootIndex(index);
    index2 = model.index(path);
    QCOMPARE(index.data(), index2.data());
    view.setCurrentIndex(index);
    index2 = model.index(path);
    QCOMPARE(index.data(), index2.data());
    view.setSortingEnabled(true);
    index2 = model.index(path);

#if defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_EMBEDDED)
    QEXPECT_FAIL("", "QTBUG-43818", Continue);
#else
    if (EmulationDetector::isRunningArmOnX86())
        QEXPECT_FAIL("", "QTBUG-43818", Continue);
#endif

    QCOMPARE(index.data(), index2.data());
}

void tst_QDirModel::filter()
{
    QDirModel model;
    model.setNameFilters(QStringList() << "*.nada");
    QModelIndex index = model.index(SRCDIR "test");
#ifdef Q_OS_WINRT
    QEXPECT_FAIL("", "Sandboxed applications cannot access SRCDIR - QTBUG-68297", Abort);
#endif
    QCOMPARE(model.rowCount(index), 0);
    QModelIndex index2 = model.index(SRCDIR "test/file01.tst");
    QVERIFY(!index2.isValid());
    QCOMPARE(model.rowCount(index), 0);
}

void tst_QDirModel::task244669_remove()
{
    QFile f1(SRCDIR "dirtest/f1.txt");
#ifdef Q_OS_WINRT
    QEXPECT_FAIL("", "Sandboxed applications cannot access SRCDIR - QTBUG-68297", Abort);
#endif
    QVERIFY(f1.open(QIODevice::WriteOnly));
    f1.close();
    QFile f2(SRCDIR "dirtest/f2.txt");
    QVERIFY(f2.open(QIODevice::WriteOnly));
    f2.close();

    QDirModel model;
    model.setReadOnly(false);
    QPersistentModelIndex parent = model.index(SRCDIR "dirtest");
    QPersistentModelIndex index2 = model.index(SRCDIR "dirtest/f2.txt");
    QPersistentModelIndex index1 = model.index(SRCDIR "dirtest/f1.txt");

    QVERIFY(parent.isValid());
    QVERIFY(index1.isValid());
    QVERIFY(index2.isValid());
    QCOMPARE(parent.data() , model.index(SRCDIR "dirtest").data());
    QCOMPARE(index1.data() , model.index(SRCDIR "dirtest/f1.txt").data());
    QCOMPARE(index2.data() , model.index(SRCDIR "dirtest/f2.txt").data());

    QVERIFY(model.remove(index1));

    QVERIFY(parent.isValid());
    QVERIFY(!index1.isValid());
    QVERIFY(index2.isValid());
    QCOMPARE(parent.data() , model.index(SRCDIR "dirtest").data());
    QCOMPARE(index2.data() , model.index(SRCDIR "dirtest/f2.txt").data());

    QVERIFY(model.remove(index2));

    QVERIFY(parent.isValid());
    QVERIFY(!index2.isValid());
    QVERIFY(!index1.isValid());
    QCOMPARE(parent.data() , model.index(SRCDIR "dirtest").data());
}

void tst_QDirModel::roleNames_data()
{
    QTest::addColumn<int>("role");
    QTest::addColumn<QByteArray>("roleName");
    QTest::newRow("decoration") << int(Qt::DecorationRole) << QByteArray("decoration");
    QTest::newRow("display") << int(Qt::DisplayRole) << QByteArray("display");
    QTest::newRow("fileIcon") << int(QDirModel::FileIconRole) << QByteArray("fileIcon");
    QTest::newRow("filePath") << int(QDirModel::FilePathRole) << QByteArray("filePath");
    QTest::newRow("fileName") << int(QDirModel::FileNameRole) << QByteArray("fileName");
}

void tst_QDirModel::roleNames()
{
    QDirModel model;
    QHash<int, QByteArray> roles = model.roleNames();

    QFETCH(int, role);
    QVERIFY(roles.contains(role));

    QFETCH(QByteArray, roleName);
    QList<QByteArray> values = roles.values(role);
    QVERIFY(values.contains(roleName));
}


QTEST_MAIN(tst_QDirModel)
#include "tst_qdirmodel.moc"