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# SPDX-License-Identifier: LGPL-2.1-or-later
"""**************************************************************************

*                                                                          *

*   Copyright (c) 2024 Ondsel <development@ondsel.com>                     *

*                                                                          *

*   This file is part of FreeCAD.                                          *

*                                                                          *

*   FreeCAD 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.                        *

*                                                                          *

*   FreeCAD 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.                        *

*                                                                          *

*   You should have received a copy of the GNU Lesser General Public       *

*   License along with FreeCAD. If not, see                                *

*   <https://www.gnu.org/licenses/>.                                       *

*                                                                          *

***************************************************************************/"""

import FreeCAD, FreeCADGui, unittest

# ---------------------------------------------------------------------------
# define the functions to test the FreeCAD Gui Document code
# ---------------------------------------------------------------------------


class TestGuiDocument(unittest.TestCase):
    def setUp(self):
        # Create a new document
        self.doc = FreeCAD.newDocument("TestDoc")

    def tearDown(self):
        # Close the document
        FreeCAD.closeDocument("TestDoc")

    def testGetTreeRootObject(self):
        # Create objects at the root level
        group1 = self.doc.addObject("App::DocumentObjectGroup", "Group1")
        group2 = self.doc.addObject("App::DocumentObjectGroup", "Group2")
        obj1 = self.doc.addObject("App::FeaturePython", "RootObject1")
        part1 = self.doc.addObject("App::Part", "Part1")

        # Create App::Parts and groups with objects in them
        part1_obj = part1.newObject("App::FeaturePython", "Part1_Object")
        group3 = group2.newObject("App::DocumentObjectGroup", "Group1")
        group1_obj = group3.newObject("App::FeaturePython", "Group1_Object")

        # Fetch the root objects using getTreeRootObjects
        root_objects = FreeCADGui.getDocument("TestDoc").TreeRootObjects

        # Check if the new function returns the correct root objects
        expected_root_objects = [group1, group2, obj1, part1]
        self.assertEqual(set(root_objects), set(expected_root_objects))