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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "abstracttestsuite.h"
#include <QtTest/QtTest>
#include <QtScript>
class tst_QScriptV8TestSuite : public AbstractTestSuite
{
public:
tst_QScriptV8TestSuite();
virtual ~tst_QScriptV8TestSuite();
protected:
struct ExpectedFailure
{
ExpectedFailure(const QString &name, const QString &act,
const QString &exp, const QString &msg)
: testName(name), actual(act), expected(exp), message(msg)
{ }
QString testName;
QString actual;
QString expected;
QString message;
};
void addExpectedFailure(const QString &testName, const QString &actual,
const QString &expected, const QString &message);
bool isExpectedFailure(const QString &testName, const QString &actual,
const QString &expected, QString *message) const;
void addTestExclusion(const QString &testName, const QString &message);
void addTestExclusion(const QRegExp &rx, const QString &message);
bool isExcludedTest(const QString &testName, QString *message) const;
virtual void initTestCase();
virtual void configData(TestConfig::Mode mode, const QStringList &parts);
virtual void writeSkipConfigFile(QTextStream &);
virtual void writeExpectFailConfigFile(QTextStream &);
virtual void runTestFunction(int testIndex);
QStringList testNames;
QList<ExpectedFailure> expectedFailures;
QList<QPair<QRegExp, QString> > testExclusions;
QString mjsunitContents;
};
// We expect failing tests to call the fail() function (defined in
// mjsunit.js) with arguments expected, actual, message_opt. This
// function intercepts the call, calls the real fail() function (which
// will throw an exception), and sets the original arguments on the
// exception object so that we can process them later.
static QScriptValue qscript_fail(QScriptContext *ctx, QScriptEngine *eng)
{
QScriptValue realFail = ctx->callee().data();
if (!realFail.isFunction())
qFatal("%s: realFail must be a function", Q_FUNC_INFO);
QScriptValue ret = realFail.call(ctx->thisObject(), ctx->argumentsObject());
if (!eng->hasUncaughtException())
qFatal("%s: realFail function did not throw an exception", Q_FUNC_INFO);
ret.setProperty("expected", ctx->argument(0));
ret.setProperty("actual", ctx->argument(1));
ret.setProperty("message", ctx->argument(2));
QScriptContextInfo info(ctx->parentContext()->parentContext());
ret.setProperty("lineNumber", info.lineNumber());
return ret;
}
void tst_QScriptV8TestSuite::writeSkipConfigFile(QTextStream &stream)
{
stream << QString::fromLatin1("# testcase | message") << endl;
}
void tst_QScriptV8TestSuite::writeExpectFailConfigFile(QTextStream &stream)
{
stream << QString::fromLatin1("# testcase | actual | expected | message") << endl;
for (int i = 0; i < expectedFailures.size(); ++i) {
const ExpectedFailure &fail = expectedFailures.at(i);
stream << QString::fromLatin1("%0 | %1 | %2")
.arg(fail.testName)
.arg(escape(fail.actual))
.arg(escape(fail.expected));
if (!fail.message.isEmpty())
stream << QString::fromLatin1(" | %0").arg(escape(fail.message));
stream << endl;
}
}
void tst_QScriptV8TestSuite::runTestFunction(int testIndex)
{
QString name = testNames.at(testIndex);
QString path = testsDir.absoluteFilePath(name + ".js");
QString excludeMessage;
if (isExcludedTest(name, &excludeMessage)) {
QTest::qSkip(excludeMessage.toLatin1(), path.toLatin1(), -1);
return;
}
QScriptEngine engine;
engine.evaluate(mjsunitContents);
if (engine.hasUncaughtException()) {
QStringList bt = engine.uncaughtExceptionBacktrace();
QString err = engine.uncaughtException().toString();
qWarning("%s\n%s", qPrintable(err), qPrintable(bt.join("\n")));
} else {
// Prepare to intercept calls to mjsunit's fail() function.
QScriptValue fakeFail = engine.newFunction(qscript_fail);
fakeFail.setData(engine.globalObject().property("fail"));
engine.globalObject().setProperty("fail", fakeFail);
QString contents = readFile(path);
QScriptValue ret = engine.evaluate(contents);
if (engine.hasUncaughtException()) {
if (!ret.isError()) {
int lineNumber = ret.property("lineNumber").toInt32();
QTest::qVerify(ret.instanceOf(engine.globalObject().property("MjsUnitAssertionError")),
ret.toString().toLatin1(),
"",
path.toLatin1(),
lineNumber);
QString actual = ret.property("actual").toString();
QString expected = ret.property("expected").toString();
QString failMessage;
if (shouldGenerateExpectedFailures) {
if (ret.property("message").isString())
failMessage = ret.property("message").toString();
addExpectedFailure(name, actual, expected, failMessage);
} else if (isExpectedFailure(name, actual, expected, &failMessage)) {
QTest::qExpectFail("", failMessage.toLatin1(),
QTest::Continue, path.toLatin1(),
lineNumber);
}
QTest::qCompare(actual, expected, "actual", "expect",
path.toLatin1(), lineNumber);
} else {
int lineNumber = ret.property("lineNumber").toInt32();
QTest::qExpectFail("", ret.toString().toLatin1(),
QTest::Continue, path.toLatin1(), lineNumber);
QTest::qVerify(false, ret.toString().toLatin1(), "", path.toLatin1(), lineNumber);
}
}
}
}
tst_QScriptV8TestSuite::tst_QScriptV8TestSuite()
: AbstractTestSuite("tst_QScriptV8TestSuite",
":/tests", ":/")
{
// One test function per test file.
const QFileInfoList testFileInfos = testsDir.entryInfoList(QStringList() << "*.js", QDir::Files);
for (const QFileInfo &tfi : testFileInfos) {
QString name = tfi.baseName();
addTestFunction(name);
testNames.append(name);
}
finalizeMetaObject();
}
tst_QScriptV8TestSuite::~tst_QScriptV8TestSuite()
{
}
void tst_QScriptV8TestSuite::initTestCase()
{
AbstractTestSuite::initTestCase();
// FIXME: These warnings should be QFAIL, but that would make the
// test fail right now.
if (!testsDir.exists("mjsunit.js"))
qWarning("*** no tests/mjsunit.js file!");
else {
mjsunitContents = readFile(testsDir.absoluteFilePath("mjsunit.js"));
if (mjsunitContents.isEmpty())
qWarning("*** tests/mjsunit.js is empty!");
}
}
void tst_QScriptV8TestSuite::configData(TestConfig::Mode mode, const QStringList &parts)
{
switch (mode) {
case TestConfig::Skip:
addTestExclusion(parts.at(0), parts.value(1));
break;
case TestConfig::ExpectFail:
addExpectedFailure(parts.at(0), parts.value(1),
parts.value(2), parts.value(3));
break;
}
}
void tst_QScriptV8TestSuite::addExpectedFailure(const QString &testName, const QString &actual,
const QString &expected, const QString &message)
{
expectedFailures.append(ExpectedFailure(testName, actual, expected, message));
}
bool tst_QScriptV8TestSuite::isExpectedFailure(const QString &testName, const QString &actual,
const QString &expected, QString *message) const
{
for (int i = 0; i < expectedFailures.size(); ++i) {
const ExpectedFailure &ef = expectedFailures.at(i);
if ((testName == ef.testName) && (actual == ef.actual) && (expected == ef.expected)) {
if (message)
*message = ef.message;
return true;
}
}
return false;
}
void tst_QScriptV8TestSuite::addTestExclusion(const QString &testName, const QString &message)
{
testExclusions.append(qMakePair(QRegExp(testName), message));
}
void tst_QScriptV8TestSuite::addTestExclusion(const QRegExp &rx, const QString &message)
{
testExclusions.append(qMakePair(rx, message));
}
bool tst_QScriptV8TestSuite::isExcludedTest(const QString &testName, QString *message) const
{
for (int i = 0; i < testExclusions.size(); ++i) {
if (QRegExp(testExclusions.at(i).first).indexIn(testName) != -1) {
if (message)
*message = testExclusions.at(i).second;
return true;
}
}
return false;
}
QTEST_MAIN(tst_QScriptV8TestSuite)
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