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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtCore/QCoreApplication>
#include <QTest>
#include <QLibraryInfo>
#define TESTFILE "testfile"
class FindTestData: public QObject
{
Q_OBJECT
private slots:
void initTestCase();
void cleanupTestCase();
void paths();
private:
bool touch(QString const&);
};
void FindTestData::initTestCase()
{
// verify that our qt.conf is working as expected.
QString app_path = QCoreApplication::applicationDirPath();
QString install_path = app_path
#ifdef Q_OS_MAC
+ "/Contents"
#endif
+ "/tests";
QVERIFY(QDir("/").mkpath(install_path));
QVERIFY(QDir("/").mkpath(install_path + "/findtestdata"));
QCOMPARE(QLibraryInfo::path(QLibraryInfo::TestsPath), install_path);
// make fake source and build directories
QVERIFY(QDir("/").mkpath(app_path + "/fakesrc"));
QVERIFY(QDir("/").mkpath(app_path + "/fakebuild"));
}
void FindTestData::cleanupTestCase()
{
QString app_path = QCoreApplication::applicationDirPath();
QFile(app_path + "/tests/findtestdata/" TESTFILE).remove();
QFile(app_path + "/tests/" TESTFILE).remove();
QFile(app_path + "/fakesrc/" TESTFILE).remove();
QDir("/").rmpath(app_path + "/tests/findtestdata");
QDir("/").rmpath(app_path + "/fakesrc");
QDir("/").rmpath(app_path + "/fakebuild");
}
// Create an empty file at the specified path (or return false)
bool FindTestData::touch(QString const& path)
{
QFile file(path);
if (!file.open(QIODevice::WriteOnly)) {
qWarning("Failed to create %s: %s", qPrintable(path), qPrintable(file.errorString()));
return false;
}
return true;
}
void FindTestData::paths()
{
// There are three possible locations for the testdata.
// In this test, we will put the testdata at all three locations,
// then remove it from one location at a time and verify that
// QFINDTESTDATA correctly falls back each time.
// 1. relative to test binary.
QString app_path = QCoreApplication::applicationDirPath();
QString testfile_path1 = app_path + "/" TESTFILE;
QVERIFY(touch(testfile_path1));
// 2. at the test install path (faked via qt.conf)
QString testfile_path2 = app_path
#ifdef Q_OS_MAC
+ "/Contents"
#endif
+ "/tests/findtestdata/" TESTFILE;
QVERIFY(touch(testfile_path2));
// 3. at the source path (which we will fake later on)
QString testfile_path3 = app_path + "/fakesrc/" TESTFILE;
QVERIFY(touch(testfile_path3));
// OK, all testdata created. Verify that they are found in correct priority order.
QCOMPARE(QFINDTESTDATA(TESTFILE), testfile_path1);
QVERIFY(QFile(testfile_path1).remove());
QCOMPARE(QFINDTESTDATA(TESTFILE), testfile_path2);
QVERIFY(QFile(testfile_path2).remove());
// We cannot reasonably redefine __FILE__, so we call the underlying function instead.
// __FILE__ may be absolute or relative path; test both.
// absolute:
#if defined(Q_OS_WIN)
QCOMPARE(QTest::qFindTestData(TESTFILE, qPrintable(app_path + "/fakesrc/fakefile.cpp"), __LINE__).toLower(), testfile_path3.toLower());
#else
QCOMPARE(QTest::qFindTestData(TESTFILE, qPrintable(app_path + "/fakesrc/fakefile.cpp"), __LINE__), testfile_path3);
#endif
// relative: (pretend that we were compiled within fakebuild directory, pointing at files in ../fakesrc)
#if defined(Q_OS_WIN)
QCOMPARE(QTest::qFindTestData(TESTFILE, "../fakesrc/fakefile.cpp", __LINE__, qPrintable(app_path + "/fakebuild")).toLower(), testfile_path3.toLower());
#else
QCOMPARE(QTest::qFindTestData(TESTFILE, "../fakesrc/fakefile.cpp", __LINE__, qPrintable(app_path + "/fakebuild")), testfile_path3);
#endif
QVERIFY(QFile(testfile_path3).remove());
#if !defined(Q_OS_WIN)
struct ChdirOnReturn
{
~ChdirOnReturn() { QDir::setCurrent(dir); }
QString dir;
};
// When cross-compiling from Windows to a *nix system the __FILE__ path's canonical path is an
// empty string, which, when used as a prefix, would cause QFINDTESTDATA to look for files in
// root ('/') when trying to look for files relative to the test source.
QString usrPath = app_path + "/temp/usr/";
QVERIFY(QDir().mkpath(usrPath));
{
ChdirOnReturn chdirObject{QDir::currentPath()};
QDir::setCurrent(app_path + "/temp");
QCOMPARE(QTest::qFindTestData("usr/",
"C:\\path\\to\\source\\source.cpp",
__LINE__,
"C:\\path\\to\\build\\").toLower(),
usrPath.toLower());
}
QVERIFY(QDir().rmpath(usrPath));
#endif
// Note, this is expected to generate a warning.
// We can't use ignoreMessage, because the warning comes from testlib,
// not via a "normal" qWarning. But it's OK, our caller (tst_selftests)
// will verify that the warning is printed.
QCOMPARE(QFINDTESTDATA(TESTFILE), QString());
}
QTEST_MAIN(FindTestData)
#include "findtestdata.moc"
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