QLibraryInfo: add tests

Change-Id: I0a5cf4d5724b1e1c02634374b27a868f72a38243
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

tests/auto/corelib/global/CMakeLists.txt

@@ -16,6 +16,7 @@ if(NOT INTEGRITY)
     add_subdirectory(qnativeinterface)
 endif()
 add_subdirectory(qrandomgenerator)
+add_subdirectory(qlibraryinfo)
 add_subdirectory(qlogging)
 add_subdirectory(qtendian)
 add_subdirectory(qglobalstatic)

tests/auto/corelib/global/qlibraryinfo/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+if(NOT QT_BUILD_STANDALONE_TESTS AND NOT QT_BUILDING_QT)
+    cmake_minimum_required(VERSION 3.16)
+    project(tst_qlibraryinfo LANGUAGES CXX)
+    find_package(Qt6BuildInternals REQUIRED COMPONENTS STANDALONE_TEST)
+endif()
+
+
+qt_internal_add_test(tst_qlibraryinfo SOURCES tst_qlibraryinfo.cpp
+    LIBRARIES
+        Qt::CorePrivate
+
+)
+
+qt_add_resources(tst_qlibraryinfo "qtconffiles" PREFIX "/" FILES empty.qt.conf partial.qt.conf)

tests/auto/corelib/global/qlibraryinfo/partial.qt.conf

@@ -0,0 +1,2 @@
+[Paths]
+QmlImports = "/path/to/myqml"

tests/auto/corelib/global/qlibraryinfo/tst_qlibraryinfo.cpp

@@ -0,0 +1,66 @@
+// Copyright (C) 2024 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <QTest>
+#include <QtCore/qlibraryinfo.h>
+#include <QtCore/qscopeguard.h>
+#include <QtCore/private/qlibraryinfo_p.h>
+
+
+class tst_QLibraryInfo : public QObject
+{
+    Q_OBJECT
+private slots:
+    void initTestCase();
+    void cleanup();
+    void path_data();
+    void path();
+};
+
+void tst_QLibraryInfo::initTestCase()
+{
+#if !QT_CONFIG(settings)
+    QSKIP("QSettings support is required for the test to run.");
+#endif
+}
+
+void tst_QLibraryInfo::cleanup()
+{
+    QLibraryInfoPrivate::setQtconfManualPath(nullptr);
+    QLibraryInfoPrivate::reload();
+}
+
+void tst_QLibraryInfo::path_data()
+{
+    QTest::addColumn<QString>("qtConfPath");
+    QTest::addColumn<QLibraryInfo::LibraryPath>("path");
+    QTest::addColumn<QString>("expected");
+
+    // TODO: deal with bundle on macOs?
+    QString baseDir = QCoreApplication::applicationDirPath();
+
+    // empty means we fall-back to default entries
+    QTest::addRow("empty_qmlimports") << ":/empty.qt.conf" << QLibraryInfo::QmlImportsPath << (baseDir + "/qml");
+    QTest::addRow("empty_Data") << ":/empty.qt.conf" << QLibraryInfo::DataPath << baseDir;
+
+    // partial override; use given entry if provided, otherwise default
+    QTest::addRow("partial_qmlimports") << ":/partial.qt.conf" << QLibraryInfo::QmlImportsPath << "/path/to/myqml";
+    QTest::addRow("partial_Data") << ":/partial.qt.conf" << QLibraryInfo::DataPath << baseDir;
+}
+
+void tst_QLibraryInfo::path()
+{
+    QFETCH(QString, qtConfPath);
+    QFETCH(QLibraryInfo::LibraryPath, path);
+    QFETCH(QString, expected);
+
+    QLibraryInfoPrivate::setQtconfManualPath(&qtConfPath);
+    QLibraryInfoPrivate::reload();
+    QString value = QLibraryInfo::path(path);
+    QCOMPARE(value, expected);
+
+}
+
+QTEST_GUILESS_MAIN(tst_QLibraryInfo)
+
+#include "tst_qlibraryinfo.moc"