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** This file is part of the test suite of the Qt Toolkit.
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#include <QtTest/QtTest>
#include <QDir>
#include <QFile>
#include <QProcess>
#include <QString>
#include <QTemporaryDir>

#include <util.h>

class TestQmlformat: public QQmlDataTest
{
    Q_OBJECT

private Q_SLOTS:
    void initTestCase() override;

    void testFormat();
    void testFormatNoSort();
    void testAnnotations();
    void testAnnotationsNoSort();
    void testLineEndings();
    void testFrontInline();
    void testIfBlocks();
    void testMultilineComments();

    void testReadOnlyProps();
    void testVerbatimStrings();
    void testLargeBindings();
    void testInlineComponents();

    void testQtbug85003();

    void testNestedIf();

    void testNestedFunctions();

#if !defined(QTEST_CROSS_COMPILED) // sources not available when cross compiled
    void testExample();
    void testExample_data();
#endif

private:
    QString readTestFile(const QString &path);
    QString runQmlformat(const QString &fileToFormat, bool sortImports, bool shouldSucceed, const QString &newlineFormat = "native");

    QString m_qmlformatPath;
    QStringList m_excludedDirs;
    QStringList m_invalidFiles;

    QStringList findFiles(const QDir &);
    bool isInvalidFile(const QFileInfo &fileName) const;
};

void TestQmlformat::initTestCase()
{
    QQmlDataTest::initTestCase();
    m_qmlformatPath = QLibraryInfo::location(QLibraryInfo::BinariesPath) + QLatin1String("/qmlformat");
#ifdef Q_OS_WIN
    m_qmlformatPath += QLatin1String(".exe");
#endif
    if (!QFileInfo(m_qmlformatPath).exists()) {
        QString message = QStringLiteral("qmlformat executable not found (looked for %0)").arg(m_qmlformatPath);
        QFAIL(qPrintable(message));
    }

    // Add directories you want excluded here

    // These snippets are not expected to run on their own.
    m_excludedDirs << "doc/src/snippets/qml/visualdatamodel_rootindex";
    m_excludedDirs << "doc/src/snippets/qml/qtbinding";
    m_excludedDirs << "doc/src/snippets/qml/imports";
    m_excludedDirs << "doc/src/snippets/qtquick1/visualdatamodel_rootindex";
    m_excludedDirs << "doc/src/snippets/qtquick1/qtbinding";
    m_excludedDirs << "doc/src/snippets/qtquick1/imports";
    m_excludedDirs << "tests/manual/v4";
    m_excludedDirs << "tests/auto/qml/ecmascripttests";
    m_excludedDirs << "tests/auto/qml/qmllint";

    // Add invalid files (i.e. files with syntax errors)
    m_invalidFiles << "tests/auto/quick/qquickloader/data/InvalidSourceComponent.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/signal.2.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/signal.3.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/signal.5.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/property.4.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/empty.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/missingObject.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/insertedSemicolon.1.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/nonexistantProperty.5.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/invalidRoot.1.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/invalidQmlEnumValue.1.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/invalidQmlEnumValue.2.qml";
    m_invalidFiles << "tests/auto/qml/qquickfolderlistmodel/data/dummy.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/stringParsing_error.1.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/stringParsing_error.2.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/stringParsing_error.3.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/stringParsing_error.4.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/stringParsing_error.5.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/stringParsing_error.6.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/numberParsing_error.1.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/numberParsing_error.2.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/incrDecrSemicolon_error1.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/incrDecrSemicolon_error1.qml";
    m_invalidFiles << "tests/auto/qml/debugger/qqmlpreview/data/broken.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/fuzzed.2.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/fuzzed.3.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/requiredProperties.2.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/nullishCoalescing_LHS_And.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/nullishCoalescing_LHS_And.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/nullishCoalescing_LHS_Or.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/nullishCoalescing_RHS_And.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/nullishCoalescing_RHS_Or.qml";
    m_invalidFiles << "tests/auto/qml/qqmllanguage/data/typeAnnotations.2.qml";
    m_invalidFiles << "tests/auto/qml/qqmlparser/data/disallowedtypeannotations/qmlnestedfunction.qml";

    // These files rely on exact formatting
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/incrDecrSemicolon1.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/incrDecrSemicolon_error1.qml";
    m_invalidFiles << "tests/auto/qml/qqmlecmascript/data/incrDecrSemicolon2.qml";
}

QStringList TestQmlformat::findFiles(const QDir &d)
{
    for (int ii = 0; ii < m_excludedDirs.count(); ++ii) {
        QString s = m_excludedDirs.at(ii);
        if (d.absolutePath().endsWith(s))
            return QStringList();
    }

    QStringList rv;

    QStringList files = d.entryList(QStringList() << QLatin1String("*.qml"),
                                    QDir::Files);
    foreach (const QString &file, files) {
        rv << d.absoluteFilePath(file);
    }

    QStringList dirs = d.entryList(QDir::Dirs | QDir::NoDotAndDotDot |
                                   QDir::NoSymLinks);
    foreach (const QString &dir, dirs) {
        QDir sub = d;
        sub.cd(dir);
        rv << findFiles(sub);
    }

    return rv;
}

bool TestQmlformat::isInvalidFile(const QFileInfo &fileName) const
{
    for (const QString &invalidFile : m_invalidFiles) {
        if (fileName.absoluteFilePath().endsWith(invalidFile))
            return true;
    }
    return false;
}

QString TestQmlformat::readTestFile(const QString &path)
{
    QFile file(testFile(path));

    if (!file.open(QIODevice::ReadOnly))
        return "";

    return QString::fromUtf8(file.readAll());
}

void TestQmlformat::testFormat()
{
    QCOMPARE(runQmlformat(testFile("Example1.qml"), true, true), readTestFile("Example1.formatted.qml"));
}

void TestQmlformat::testFormatNoSort()
{
    QCOMPARE(runQmlformat(testFile("Example1.qml"), false, true), readTestFile("Example1.formatted.nosort.qml"));
}

void TestQmlformat::testAnnotations()
{
    QCOMPARE(runQmlformat(testFile("Annotations.qml"), true, true), readTestFile("Annotations.formatted.qml"));
}

void TestQmlformat::testAnnotationsNoSort()
{
    QCOMPARE(runQmlformat(testFile("Annotations.qml"), false, true), readTestFile("Annotations.formatted.nosort.qml"));
}

void TestQmlformat::testFrontInline()
{
    QCOMPARE(runQmlformat(testFile("FrontInline.qml"), false, true), readTestFile("FrontInline.formatted.qml"));
}

void TestQmlformat::testIfBlocks()
{
    QCOMPARE(runQmlformat(testFile("IfBlocks.qml"), false, true), readTestFile("IfBlocks.formatted.qml"));
}

void TestQmlformat::testMultilineComments()
{
    QCOMPARE(runQmlformat(testFile("multilineComment.qml"), false, true), readTestFile("multilineComment.formatted.qml"));
}


void TestQmlformat::testReadOnlyProps()
{
    QCOMPARE(runQmlformat(testFile("readOnlyProps.qml"), false, true), readTestFile("readOnlyProps.formatted.qml"));
}

void TestQmlformat::testVerbatimStrings()
{
    QCOMPARE(runQmlformat(testFile("verbatimString.qml"), false, true),
             readTestFile("verbatimString.formatted.qml"));
}

void TestQmlformat::testInlineComponents()
{
    QCOMPARE(runQmlformat(testFile("inlineComponents.qml"), false, true),
             readTestFile("inlineComponents.formatted.qml"));
}

void TestQmlformat::testLargeBindings()
{
    QCOMPARE(runQmlformat(testFile("largeBindings.qml"), false, true),
             readTestFile("largeBindings.formatted.qml"));
}

void TestQmlformat::testNestedIf()
{
    QCOMPARE(runQmlformat(testFile("nestedIf.qml"), false, true),
             readTestFile("nestedIf.formatted.qml"));
}

void TestQmlformat::testLineEndings()
{
    // macos
    const QString macosContents = runQmlformat(testFile("Example1.formatted.qml"), false, true, "macos");
    QVERIFY(!macosContents.contains("\n"));
    QVERIFY(macosContents.contains("\r"));

    // windows
    const QString windowsContents = runQmlformat(testFile("Example1.formatted.qml"), false, true, "windows");
    QVERIFY(windowsContents.contains("\r\n"));

    // unix
    const QString unixContents = runQmlformat(testFile("Example1.formatted.qml"), false, true, "unix");
    QVERIFY(unixContents.contains("\n"));
    QVERIFY(!unixContents.contains("\r"));
}

void TestQmlformat::testQtbug85003()
{
    QCOMPARE(runQmlformat(testFile("QtBug85003.qml"), false, true),
             readTestFile("QtBug85003.formatted.qml"));
}

void TestQmlformat::testNestedFunctions()
{
    QCOMPARE(runQmlformat(testFile("nestedFunctions.qml"), false, true),
             readTestFile("nestedFunctions.formatted.qml"));
}

#if !defined(QTEST_CROSS_COMPILED) // sources not available when cross compiled
void TestQmlformat::testExample_data()
{
    QTest::addColumn<QString>("file");

    QString examples = QLatin1String(SRCDIR) + "/../../../../examples/";
    QString tests = QLatin1String(SRCDIR) + "/../../../../tests/";

    QStringList files;
    files << findFiles(QDir(examples));
    files << findFiles(QDir(tests));

    for (const QString &file : files)
        QTest::newRow(qPrintable(file)) << file;
}
#endif

#if !defined(QTEST_CROSS_COMPILED) // sources not available when cross compiled
void TestQmlformat::testExample()
{
    QFETCH(QString, file);
    QString output = runQmlformat(file, true, !isInvalidFile(file));

    if (!isInvalidFile(file))
        QVERIFY(!output.isEmpty());
}
#endif

QString TestQmlformat::runQmlformat(const QString &fileToFormat, bool sortImports, bool shouldSucceed, const QString &newlineFormat)
{
    // Copy test file to temporary location
    QTemporaryDir tempDir;
    const QString tempFile = tempDir.path() + QDir::separator() + "to_format.qml";
    QFile::copy(fileToFormat, tempFile);

    QStringList args;
    args << "-i";
    args << tempFile;

    if (!sortImports)
        args << "-n";

    args << "-l" << newlineFormat;

    auto verify = [&]() {
        QProcess process;
        process.start(m_qmlformatPath, args);
        QVERIFY(process.waitForFinished());
        QCOMPARE(process.exitStatus(), QProcess::NormalExit);
        if (shouldSucceed)
            QCOMPARE(process.exitCode(), 0);
    };
    verify();

    QFile temp(tempFile);

    temp.open(QIODevice::ReadOnly);
    QString formatted = QString::fromUtf8(temp.readAll());

    return formatted;
}

QTEST_MAIN(TestQmlformat)
#include "tst_qmlformat.moc"