Convert copyright headers to REUSE

63 files changed, 217 insertions, 1414 deletions

diff --git a/tests/IntegrationTesting.h b/tests/IntegrationTesting.h
index 8c58ebbf..e8db182c 100644
--- a/tests/IntegrationTesting.h
+++ b/tests/IntegrationTesting.h
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #ifndef INTEGRATIONTESTING_H
 #define INTEGRATIONTESTING_H
diff --git a/tests/TestClient.h b/tests/TestClient.h
index aa626656..fcfa4fb2 100644
--- a/tests/TestClient.h
+++ b/tests/TestClient.h
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #ifndef CLIENTTESTING_H
 #define CLIENTTESTING_H
diff --git a/tests/pubsubutil.h b/tests/pubsubutil.h
index fcde3a99..20b02785 100644
--- a/tests/pubsubutil.h
+++ b/tests/pubsubutil.h
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #ifndef PUBSUBUTIL_H
 #define PUBSUBUTIL_H
diff --git a/tests/qxmpparchiveiq/tst_qxmpparchiveiq.cpp b/tests/qxmpparchiveiq/tst_qxmpparchiveiq.cpp
index 3181c772..69e4f5c8 100644
--- a/tests/qxmpparchiveiq/tst_qxmpparchiveiq.cpp
+++ b/tests/qxmpparchiveiq/tst_qxmpparchiveiq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppArchiveIq.h"
 
diff --git a/tests/qxmppatmmanager/tst_qxmppatmmanager.cpp b/tests/qxmppatmmanager/tst_qxmppatmmanager.cpp
index 570dc676..c5899e0a 100644
--- a/tests/qxmppatmmanager/tst_qxmppatmmanager.cpp
+++ b/tests/qxmppatmmanager/tst_qxmppatmmanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppAtmManager.h"
 #include "QXmppCarbonManager.h"
diff --git a/tests/qxmppattentionmanager/tst_qxmppattentionmanager.cpp b/tests/qxmppattentionmanager/tst_qxmppattentionmanager.cpp
index 41b96785..4694d636 100644
--- a/tests/qxmppattentionmanager/tst_qxmppattentionmanager.cpp
+++ b/tests/qxmppattentionmanager/tst_qxmppattentionmanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppAttentionManager.h"
 #include "QXmppClient.h"
diff --git a/tests/qxmppbindiq/tst_qxmppbindiq.cpp b/tests/qxmppbindiq/tst_qxmppbindiq.cpp
index a038746b..e0af1e63 100644
--- a/tests/qxmppbindiq/tst_qxmppbindiq.cpp
+++ b/tests/qxmppbindiq/tst_qxmppbindiq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppBindIq.h"
 
diff --git a/tests/qxmppbitsofbinarycontentid/tst_qxmppbitsofbinarycontentid.cpp b/tests/qxmppbitsofbinarycontentid/tst_qxmppbitsofbinarycontentid.cpp
index 604be988..361253ff 100644
--- a/tests/qxmppbitsofbinarycontentid/tst_qxmppbitsofbinarycontentid.cpp
+++ b/tests/qxmppbitsofbinarycontentid/tst_qxmppbitsofbinarycontentid.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppBitsOfBinaryContentId.h"
 
diff --git a/tests/qxmppbitsofbinaryiq/tst_qxmppbitsofbinaryiq.cpp b/tests/qxmppbitsofbinaryiq/tst_qxmppbitsofbinaryiq.cpp
index 21602b89..c159d164 100644
--- a/tests/qxmppbitsofbinaryiq/tst_qxmppbitsofbinaryiq.cpp
+++ b/tests/qxmppbitsofbinaryiq/tst_qxmppbitsofbinaryiq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppBitsOfBinaryContentId.h"
 #include "QXmppBitsOfBinaryIq.h"
diff --git a/tests/qxmppcallmanager/tst_qxmppcallmanager.cpp b/tests/qxmppcallmanager/tst_qxmppcallmanager.cpp
index e6ecbbe1..bf775c69 100644
--- a/tests/qxmppcallmanager/tst_qxmppcallmanager.cpp
+++ b/tests/qxmppcallmanager/tst_qxmppcallmanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2015 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppCallManager.h"
 #include "QXmppClient.h"
diff --git a/tests/qxmppcarbonmanager/tst_qxmppcarbonmanager.cpp b/tests/qxmppcarbonmanager/tst_qxmppcarbonmanager.cpp
index 2d35bcc9..a4426ac6 100644
--- a/tests/qxmppcarbonmanager/tst_qxmppcarbonmanager.cpp
+++ b/tests/qxmppcarbonmanager/tst_qxmppcarbonmanager.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2016 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2016 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppCarbonManager.h"
 #include "QXmppClient.h"
diff --git a/tests/qxmppclient/tst_qxmppclient.cpp b/tests/qxmppclient/tst_qxmppclient.cpp
index c5814a45..5aa4ea43 100644
--- a/tests/qxmppclient/tst_qxmppclient.cpp
+++ b/tests/qxmppclient/tst_qxmppclient.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+// SPDX-FileCopyrightText: 2019 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppE2eeExtension.h"
diff --git a/tests/qxmppdataform/tst_qxmppdataform.cpp b/tests/qxmppdataform/tst_qxmppdataform.cpp
index 8f3c4608..2cc7f068 100644
--- a/tests/qxmppdataform/tst_qxmppdataform.cpp
+++ b/tests/qxmppdataform/tst_qxmppdataform.cpp
@@ -1,27 +1,8 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Andrey Batyiev
- *  Jeremy Lainé
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Andrey Batyiev
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include <QObject>
 #include <QtGlobal>
diff --git a/tests/qxmppdiscoveryiq/tst_qxmppdiscoveryiq.cpp b/tests/qxmppdiscoveryiq/tst_qxmppdiscoveryiq.cpp
index 33772b1c..58d49e3c 100644
--- a/tests/qxmppdiscoveryiq/tst_qxmppdiscoveryiq.cpp
+++ b/tests/qxmppdiscoveryiq/tst_qxmppdiscoveryiq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppDiscoveryIq.h"
 
diff --git a/tests/qxmppdiscoverymanager/tst_qxmppdiscoverymanager.cpp b/tests/qxmppdiscoverymanager/tst_qxmppdiscoverymanager.cpp
index 073fe5fb..055236ed 100644
--- a/tests/qxmppdiscoverymanager/tst_qxmppdiscoverymanager.cpp
+++ b/tests/qxmppdiscoverymanager/tst_qxmppdiscoverymanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppDiscoveryManager.h"
 
diff --git a/tests/qxmppentitytimeiq/tst_qxmppentitytimeiq.cpp b/tests/qxmppentitytimeiq/tst_qxmppentitytimeiq.cpp
index f6af9024..960d3519 100644
--- a/tests/qxmppentitytimeiq/tst_qxmppentitytimeiq.cpp
+++ b/tests/qxmppentitytimeiq/tst_qxmppentitytimeiq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppEntityTimeIq.h"
 
diff --git a/tests/qxmpphttpuploadiq/tst_qxmpphttpuploadiq.cpp b/tests/qxmpphttpuploadiq/tst_qxmpphttpuploadiq.cpp
index aac224bd..6aa4c4b4 100644
--- a/tests/qxmpphttpuploadiq/tst_qxmpphttpuploadiq.cpp
+++ b/tests/qxmpphttpuploadiq/tst_qxmpphttpuploadiq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn <lnj@kaidan.im>
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppHttpUploadIq.h"
 
diff --git a/tests/qxmppiceconnection/tst_qxmppiceconnection.cpp b/tests/qxmppiceconnection/tst_qxmppiceconnection.cpp
index dcb85d7c..f73b7b72 100644
--- a/tests/qxmppiceconnection/tst_qxmppiceconnection.cpp
+++ b/tests/qxmppiceconnection/tst_qxmppiceconnection.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2015 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppStun.h"
 
diff --git a/tests/qxmppiq/tst_qxmppiq.cpp b/tests/qxmppiq/tst_qxmppiq.cpp
index 8a9fd95f..a96ee318 100644
--- a/tests/qxmppiq/tst_qxmppiq.cpp
+++ b/tests/qxmppiq/tst_qxmppiq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppIq.h"
 
diff --git a/tests/qxmppjingleiq/tst_qxmppjingleiq.cpp b/tests/qxmppjingleiq/tst_qxmppjingleiq.cpp
index b168f788..2a4caf22 100644
--- a/tests/qxmppjingleiq/tst_qxmppjingleiq.cpp
+++ b/tests/qxmppjingleiq/tst_qxmppjingleiq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppJingleIq.h"
 
diff --git a/tests/qxmppmammanager/tst_qxmppmammanager.cpp b/tests/qxmppmammanager/tst_qxmppmammanager.cpp
index 3d1db71f..bee3e42f 100644
--- a/tests/qxmppmammanager/tst_qxmppmammanager.cpp
+++ b/tests/qxmppmammanager/tst_qxmppmammanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Niels Ole Salscheider
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2017 Niels Ole Salscheider <niels_ole@salscheider-online.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppMamManager.h"
 #include "QXmppMessage.h"
diff --git a/tests/qxmppmessage/tst_qxmppmessage.cpp b/tests/qxmppmessage/tst_qxmppmessage.cpp
index 6543fe4f..2b1c0e1d 100644
--- a/tests/qxmppmessage/tst_qxmppmessage.cpp
+++ b/tests/qxmppmessage/tst_qxmppmessage.cpp
@@ -1,28 +1,9 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *  Germán Márquez Mejía
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+// SPDX-FileCopyrightText: 2012 Germán Márquez Mejía <mancho@olomono.de>
+// SPDX-FileCopyrightText: 2021 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppBitsOfBinaryContentId.h"
 #include "QXmppBitsOfBinaryDataList.h"
diff --git a/tests/qxmppmessagereceiptmanager/tst_qxmppmessagereceiptmanager.cpp b/tests/qxmppmessagereceiptmanager/tst_qxmppmessagereceiptmanager.cpp
index 4d355307..54d45f7c 100644
--- a/tests/qxmppmessagereceiptmanager/tst_qxmppmessagereceiptmanager.cpp
+++ b/tests/qxmppmessagereceiptmanager/tst_qxmppmessagereceiptmanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn <lnj@kaidan.im>
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppMessageReceiptManager.h"
diff --git a/tests/qxmppmixinvitation/tst_qxmppmixinvitation.cpp b/tests/qxmppmixinvitation/tst_qxmppmixinvitation.cpp
index e847c96c..04c316e9 100644
--- a/tests/qxmppmixinvitation/tst_qxmppmixinvitation.cpp
+++ b/tests/qxmppmixinvitation/tst_qxmppmixinvitation.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppMixInvitation.h"
 
diff --git a/tests/qxmppmixiq/tst_qxmppmixiq.cpp b/tests/qxmppmixiq/tst_qxmppmixiq.cpp
index 0acab7d4..fd1bc9c3 100644
--- a/tests/qxmppmixiq/tst_qxmppmixiq.cpp
+++ b/tests/qxmppmixiq/tst_qxmppmixiq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn <lnj@kaidan.im>
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppMixIq.h"
 
diff --git a/tests/qxmppmixitem/tst_qxmppmixitem.cpp b/tests/qxmppmixitem/tst_qxmppmixitem.cpp
index 401331ff..3d55a815 100644
--- a/tests/qxmppmixitem/tst_qxmppmixitem.cpp
+++ b/tests/qxmppmixitem/tst_qxmppmixitem.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn <lnj@kaidan.im>
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppMixItem.h"
 #include "QXmppPubSubIq.h"
diff --git a/tests/qxmppnonsaslauthiq/tst_qxmppnonsaslauthiq.cpp b/tests/qxmppnonsaslauthiq/tst_qxmppnonsaslauthiq.cpp
index 0265986a..d6dbc04e 100644
--- a/tests/qxmppnonsaslauthiq/tst_qxmppnonsaslauthiq.cpp
+++ b/tests/qxmppnonsaslauthiq/tst_qxmppnonsaslauthiq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppNonSASLAuth.h"
 
diff --git a/tests/qxmppomemodata/tst_qxmppomemodata.cpp b/tests/qxmppomemodata/tst_qxmppomemodata.cpp
index ba76bb7a..c9f1eac5 100644
--- a/tests/qxmppomemodata/tst_qxmppomemodata.cpp
+++ b/tests/qxmppomemodata/tst_qxmppomemodata.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Germán Márquez Mejía
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Germán Márquez Mejía <mancho@olomono.de>
+// SPDX-FileCopyrightText: 2021 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppOmemoDeviceBundle.h"
 #include "QXmppOmemoDeviceElement.h"
diff --git a/tests/qxmppoutgoingclient/tst_qxmppoutgoingclient.cpp b/tests/qxmppoutgoingclient/tst_qxmppoutgoingclient.cpp
index 2528b4bf..1a6ae882 100644
--- a/tests/qxmppoutgoingclient/tst_qxmppoutgoingclient.cpp
+++ b/tests/qxmppoutgoingclient/tst_qxmppoutgoingclient.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppOutgoingClient.h"
 
diff --git a/tests/qxmpppresence/tst_qxmpppresence.cpp b/tests/qxmpppresence/tst_qxmpppresence.cpp
index 670d40b5..7ba5d90c 100644
--- a/tests/qxmpppresence/tst_qxmpppresence.cpp
+++ b/tests/qxmpppresence/tst_qxmpppresence.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Olivier Goffart
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Oliver Goffart <ogoffart@woboq.com>
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppPresence.h"
 
diff --git a/tests/qxmpppubsub/tst_qxmpppubsub.cpp b/tests/qxmpppubsub/tst_qxmpppubsub.cpp
index f799521b..b34f34cf 100644
--- a/tests/qxmpppubsub/tst_qxmpppubsub.cpp
+++ b/tests/qxmpppubsub/tst_qxmpppubsub.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppPubSubAffiliation.h"
 #include "QXmppPubSubSubscription.h"
diff --git a/tests/qxmpppubsubevent/tst_qxmpppubsubevent.cpp b/tests/qxmpppubsubevent/tst_qxmpppubsubevent.cpp
index aead18ff..5a76dcb0 100644
--- a/tests/qxmpppubsubevent/tst_qxmpppubsubevent.cpp
+++ b/tests/qxmpppubsubevent/tst_qxmpppubsubevent.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppDataForm.h"
 #include "QXmppPubSubEvent.h"
diff --git a/tests/qxmpppubsubforms/tst_qxmpppubsubforms.cpp b/tests/qxmpppubsubforms/tst_qxmpppubsubforms.cpp
index 725059c3..0691733c 100644
--- a/tests/qxmpppubsubforms/tst_qxmpppubsubforms.cpp
+++ b/tests/qxmpppubsubforms/tst_qxmpppubsubforms.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2020 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppDataFormBase.h"
 #include "QXmppPubSubSubAuthorization.h"
diff --git a/tests/qxmpppubsubiq/tst_qxmpppubsubiq.cpp b/tests/qxmpppubsubiq/tst_qxmpppubsubiq.cpp
index 55d37ba5..56da94e3 100644
--- a/tests/qxmpppubsubiq/tst_qxmpppubsubiq.cpp
+++ b/tests/qxmpppubsubiq/tst_qxmpppubsubiq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppPubSubIq.h"
 #include "QXmppPubSubItem.h"
diff --git a/tests/qxmpppubsubmanager/tst_qxmpppubsubmanager.cpp b/tests/qxmpppubsubmanager/tst_qxmpppubsubmanager.cpp
index 62c069ec..90893333 100644
--- a/tests/qxmpppubsubmanager/tst_qxmpppubsubmanager.cpp
+++ b/tests/qxmpppubsubmanager/tst_qxmpppubsubmanager.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2020 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *  Germán Márquez Mejía
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+// SPDX-FileCopyrightText: 2020 Germán Márquez Mejía <mancho@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppMessage.h"
diff --git a/tests/qxmpppushenableiq/tst_qxmpppushenableiq.cpp b/tests/qxmpppushenableiq/tst_qxmpppushenableiq.cpp
index edce2836..4d561359 100644
--- a/tests/qxmpppushenableiq/tst_qxmpppushenableiq.cpp
+++ b/tests/qxmpppushenableiq/tst_qxmpppushenableiq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jonah Brüchert
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Jonah Brüchert <jbb@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include <QObject>
 #include "util.h"
diff --git a/tests/qxmppregisteriq/tst_qxmppregisteriq.cpp b/tests/qxmppregisteriq/tst_qxmppregisteriq.cpp
index 784c4dec..909fedac 100644
--- a/tests/qxmppregisteriq/tst_qxmppregisteriq.cpp
+++ b/tests/qxmppregisteriq/tst_qxmppregisteriq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppBitsOfBinaryContentId.h"
 #include "QXmppBitsOfBinaryData.h"
diff --git a/tests/qxmppregistrationmanager/tst_qxmppregistrationmanager.cpp b/tests/qxmppregistrationmanager/tst_qxmppregistrationmanager.cpp
index 458c6bf3..aab85869 100644
--- a/tests/qxmppregistrationmanager/tst_qxmppregistrationmanager.cpp
+++ b/tests/qxmppregistrationmanager/tst_qxmppregistrationmanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppDiscoveryManager.h"
diff --git a/tests/qxmppresultset/tst_qxmppresultset.cpp b/tests/qxmppresultset/tst_qxmppresultset.cpp
index 1447c3c5..67b00466 100644
--- a/tests/qxmppresultset/tst_qxmppresultset.cpp
+++ b/tests/qxmppresultset/tst_qxmppresultset.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Olivier Goffart
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Oliver Goffart <ogoffart@woboq.com>
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppResultSet.h"
 
diff --git a/tests/qxmpprosteriq/tst_qxmpprosteriq.cpp b/tests/qxmpprosteriq/tst_qxmpprosteriq.cpp
index 3cc6c6df..12a54712 100644
--- a/tests/qxmpprosteriq/tst_qxmpprosteriq.cpp
+++ b/tests/qxmpprosteriq/tst_qxmpprosteriq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppRosterIq.h"
 
diff --git a/tests/qxmpprostermanager/tst_qxmpprostermanager.cpp b/tests/qxmpprostermanager/tst_qxmpprostermanager.cpp
index 98d96d45..261610d4 100644
--- a/tests/qxmpprostermanager/tst_qxmpprostermanager.cpp
+++ b/tests/qxmpprostermanager/tst_qxmpprostermanager.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+// SPDX-FileCopyrightText: 2021 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppDiscoveryManager.h"
diff --git a/tests/qxmpprpciq/tst_qxmpprpciq.cpp b/tests/qxmpprpciq/tst_qxmpprpciq.cpp
index 93310324..05c1d0f0 100644
--- a/tests/qxmpprpciq/tst_qxmpprpciq.cpp
+++ b/tests/qxmpprpciq/tst_qxmpprpciq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppRpcIq.h"
 
diff --git a/tests/qxmppsasl/tst_qxmppsasl.cpp b/tests/qxmppsasl/tst_qxmppsasl.cpp
index 1eadb073..88709dd4 100644
--- a/tests/qxmppsasl/tst_qxmppsasl.cpp
+++ b/tests/qxmppsasl/tst_qxmppsasl.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppSasl_p.h"
 
diff --git a/tests/qxmppsceenvelope/tst_qxmppsceenvelope.cpp b/tests/qxmppsceenvelope/tst_qxmppsceenvelope.cpp
index 5cc05e36..2909f052 100644
--- a/tests/qxmppsceenvelope/tst_qxmppsceenvelope.cpp
+++ b/tests/qxmppsceenvelope/tst_qxmppsceenvelope.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppSceEnvelope_p.h"
 
diff --git a/tests/qxmppserver/tst_qxmppserver.cpp b/tests/qxmppserver/tst_qxmppserver.cpp
index bdde7d07..34376f96 100644
--- a/tests/qxmppserver/tst_qxmppserver.cpp
+++ b/tests/qxmppserver/tst_qxmppserver.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppServer.h"
diff --git a/tests/qxmppsessioniq/tst_qxmppsessioniq.cpp b/tests/qxmppsessioniq/tst_qxmppsessioniq.cpp
index ae9fbd77..837ef4c7 100644
--- a/tests/qxmppsessioniq/tst_qxmppsessioniq.cpp
+++ b/tests/qxmppsessioniq/tst_qxmppsessioniq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppSessionIq.h"
 
diff --git a/tests/qxmppsocks/tst_qxmppsocks.cpp b/tests/qxmppsocks/tst_qxmppsocks.cpp
index 99e41c91..f280c2bf 100644
--- a/tests/qxmppsocks/tst_qxmppsocks.cpp
+++ b/tests/qxmppsocks/tst_qxmppsocks.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2015 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppSocks.h"
 
diff --git a/tests/qxmppstanza/tst_qxmppstanza.cpp b/tests/qxmppstanza/tst_qxmppstanza.cpp
index 9d9eef73..ac11b05a 100644
--- a/tests/qxmppstanza/tst_qxmppstanza.cpp
+++ b/tests/qxmppstanza/tst_qxmppstanza.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppStanza.h"
 
diff --git a/tests/qxmppstarttlspacket/tst_qxmppstarttlspacket.cpp b/tests/qxmppstarttlspacket/tst_qxmppstarttlspacket.cpp
index f051ead7..e1f3ec3c 100644
--- a/tests/qxmppstarttlspacket/tst_qxmppstarttlspacket.cpp
+++ b/tests/qxmppstarttlspacket/tst_qxmppstarttlspacket.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppStartTlsPacket.h"
 
diff --git a/tests/qxmppstream/tst_qxmppstream.cpp b/tests/qxmppstream/tst_qxmppstream.cpp
index be3c7bd5..d462c7df 100644
--- a/tests/qxmppstream/tst_qxmppstream.cpp
+++ b/tests/qxmppstream/tst_qxmppstream.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppStream.h"
 
diff --git a/tests/qxmppstreamfeatures/tst_qxmppstreamfeatures.cpp b/tests/qxmppstreamfeatures/tst_qxmppstreamfeatures.cpp
index 43da8f9b..dbfca713 100644
--- a/tests/qxmppstreamfeatures/tst_qxmppstreamfeatures.cpp
+++ b/tests/qxmppstreamfeatures/tst_qxmppstreamfeatures.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppStreamFeatures.h"
 
diff --git a/tests/qxmppstreaminitiationiq/tst_qxmppstreaminitiationiq.cpp b/tests/qxmppstreaminitiationiq/tst_qxmppstreaminitiationiq.cpp
index 77f3f34b..11e99702 100644
--- a/tests/qxmppstreaminitiationiq/tst_qxmppstreaminitiationiq.cpp
+++ b/tests/qxmppstreaminitiationiq/tst_qxmppstreaminitiationiq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Olivier Goffart
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Oliver Goffart <ogoffart@woboq.com>
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppStreamInitiationIq_p.h"
 #include "QXmppTransferManager.h"
diff --git a/tests/qxmppstunmessage/tst_qxmppstunmessage.cpp b/tests/qxmppstunmessage/tst_qxmppstunmessage.cpp
index 5ed860db..f80722e1 100644
--- a/tests/qxmppstunmessage/tst_qxmppstunmessage.cpp
+++ b/tests/qxmppstunmessage/tst_qxmppstunmessage.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppStun.h"
 
diff --git a/tests/qxmpptransfermanager/tst_qxmpptransfermanager.cpp b/tests/qxmpptransfermanager/tst_qxmpptransfermanager.cpp
index edcfc150..117cd028 100644
--- a/tests/qxmpptransfermanager/tst_qxmpptransfermanager.cpp
+++ b/tests/qxmpptransfermanager/tst_qxmpptransfermanager.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2015 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppServer.h"
diff --git a/tests/qxmpptrustmemorystorage/tst_qxmpptrustmemorystorage.cpp b/tests/qxmpptrustmemorystorage/tst_qxmpptrustmemorystorage.cpp
index f6433914..d7827b7f 100644
--- a/tests/qxmpptrustmemorystorage/tst_qxmpptrustmemorystorage.cpp
+++ b/tests/qxmpptrustmemorystorage/tst_qxmpptrustmemorystorage.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppConstants.cpp"
 #include "QXmppConstants_p.h"
diff --git a/tests/qxmpptrustmessages/tst_qxmpptrustmessages.cpp b/tests/qxmpptrustmessages/tst_qxmpptrustmessages.cpp
index d33f6a4f..aee889fd 100644
--- a/tests/qxmpptrustmessages/tst_qxmpptrustmessages.cpp
+++ b/tests/qxmpptrustmessages/tst_qxmpptrustmessages.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Melvin Keskin
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Melvin Keskin <melvo@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppTrustMessageElement.h"
 #include "QXmppTrustMessageKeyOwner.h"
diff --git a/tests/qxmppuploadrequestmanager/tst_qxmppuploadrequestmanager.cpp b/tests/qxmppuploadrequestmanager/tst_qxmppuploadrequestmanager.cpp
index b7c9ff2d..86e4d8a6 100644
--- a/tests/qxmppuploadrequestmanager/tst_qxmppuploadrequestmanager.cpp
+++ b/tests/qxmppuploadrequestmanager/tst_qxmppuploadrequestmanager.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Yury Gubich <blue@macaw.me>
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2019 Yury Gubich <blue@macaw.me>
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppDiscoveryManager.h"
diff --git a/tests/qxmppusertunemanager/tst_qxmppusertunemanager.cpp b/tests/qxmppusertunemanager/tst_qxmppusertunemanager.cpp
index c78e0019..00bdcbff 100644
--- a/tests/qxmppusertunemanager/tst_qxmppusertunemanager.cpp
+++ b/tests/qxmppusertunemanager/tst_qxmppusertunemanager.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2020 The QXmpp developers
- *
- * Authors:
- *  Linus Jahn
- *  Germán Márquez Mejía
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2021 Linus Jahn <lnj@kaidan.im>
+// SPDX-FileCopyrightText: 2021 Germán Márquez Mejía <mancho@olomono.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppPubSubManager.h"
 #include "QXmppTuneItem.h"
diff --git a/tests/qxmpputils/tst_qxmpputils.cpp b/tests/qxmpputils/tst_qxmpputils.cpp
index fef85b4d..1bcfaa7c 100644
--- a/tests/qxmpputils/tst_qxmpputils.cpp
+++ b/tests/qxmpputils/tst_qxmpputils.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppUtils.h"
 
diff --git a/tests/qxmppvcardiq/tst_qxmppvcardiq.cpp b/tests/qxmppvcardiq/tst_qxmppvcardiq.cpp
index 660d4283..bfa26a9c 100644
--- a/tests/qxmppvcardiq/tst_qxmppvcardiq.cpp
+++ b/tests/qxmppvcardiq/tst_qxmppvcardiq.cpp
@@ -1,25 +1,6 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppVCardIq.h"
 
diff --git a/tests/qxmppvcardmanager/tst_qxmppvcardmanager.cpp b/tests/qxmppvcardmanager/tst_qxmppvcardmanager.cpp
index c6a40a14..369be5fa 100644
--- a/tests/qxmppvcardmanager/tst_qxmppvcardmanager.cpp
+++ b/tests/qxmppvcardmanager/tst_qxmppvcardmanager.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Melvin Keskin
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2020 Melvin Keskin <melvo@olomono.de>
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppClient.h"
 #include "QXmppVCardIq.h"
diff --git a/tests/qxmppversioniq/tst_qxmppversioniq.cpp b/tests/qxmppversioniq/tst_qxmppversioniq.cpp
index d1b0ecb8..7c3bd15d 100644
--- a/tests/qxmppversioniq/tst_qxmppversioniq.cpp
+++ b/tests/qxmppversioniq/tst_qxmppversioniq.cpp
@@ -1,26 +1,7 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppVersionIq.h"
 
diff --git a/tests/util.h b/tests/util.h
index 9abb2148..830f56dd 100644
--- a/tests/util.h
+++ b/tests/util.h
@@ -1,27 +1,8 @@
-/*
- * Copyright (C) 2008-2022 The QXmpp developers
- *
- * Authors:
- *  Jeremy Lainé
- *  Manjeet Dahiya
- *  Linus Jahn
- *
- * Source:
- *  https://github.com/qxmpp-project/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
+// SPDX-FileCopyrightText: 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2012 Manjeet Dahiya <manjeetdahiya@gmail.com>
+// SPDX-FileCopyrightText: 2020 Linus Jahn <lnj@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #ifndef TESTS_UTIL_H
 #define TESTS_UTIL_H