Draft: add unit test for issue FreeCAD#9912

src/Mod/Draft/CMakeLists.txt

@@ -53,6 +53,7 @@ SET(Draft_tests
     drafttests/test_import_gui.py
     drafttests/test_import_tools.py
     drafttests/test_pivy.py
+    drafttests/test_array.py
     drafttests/test_creation.py
     drafttests/test_modification.py
     drafttests/test_svg.py

src/Mod/Draft/TestDraft.py

@@ -110,6 +110,7 @@
 from drafttests.test_dwg import DraftDWG as DraftTest07
 # from drafttests.test_oca import DraftOCA as DraftTest08
 # from drafttests.test_airfoildat import DraftAirfoilDAT as DraftTest09
+from drafttests.test_array import DraftArray as DraftTest10
 
 # Use the modules so that code checkers don't complain (flake8)
 True if DraftTest01 else False
@@ -121,3 +122,4 @@
 True if DraftTest07 else False
 # True if DraftTest08 else False
 # True if DraftTest09 else False
+True if DraftTest10 else False

src/Mod/Draft/drafttests/test_array.py

@@ -0,0 +1,91 @@
+# ***************************************************************************
+# *   Copyright (c) 2023 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+# *                                                                         *
+# *   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/>.                                      *
+# *                                                                         *
+# ***************************************************************************
+"""Unit tests for the Draft Workbench, array tests."""
+## @package test_array
+# \ingroup drafttests
+# \brief Unit tests for the Draft Workbench, array tests.
+
+## \addtogroup drafttests
+# @{
+import unittest
+import math
+
+import FreeCAD as App
+import Draft
+
+from FreeCAD import Vector
+from draftutils.messages import _msg
+
+
+class DraftArray(unittest.TestCase):
+    """Test Draft array functions."""
+
+    def setUp(self):
+        """Set up a new document to hold the tests.
+
+        This is executed before every test, so we create a document
+        to hold the objects.
+        """
+        doc_name = self.__class__.__name__
+        if App.ActiveDocument:
+            if App.ActiveDocument.Name != doc_name:
+                App.newDocument(doc_name)
+        else:
+            App.newDocument(doc_name)
+        App.setActiveDocument(doc_name)
+        self.doc = App.ActiveDocument
+        _msg("  Temporary document '{}'".format(self.doc.Name))
+
+    def test_link_array(self):
+        """Create a link array."""
+        box = self.doc.addObject("Part::Box","Box")
+        box.Label = "Box"
+        self.doc.recompute()
+
+        array = Draft.make_ortho_array(box, v_x=App.Vector(100.0, 0.0, 0.0),
+                                            v_y=App.Vector(0.0, 100.0, 0.0),
+                                            v_z=App.Vector(0.0, 0.0, 100.0),
+                                            n_x=12, n_y=1, n_z=1, use_link=True)
+
+        Draft.autogroup(array)
+        array.ExpandArray = True
+        array.Fuse = False
+        self.doc.recompute(None,True,True)
+
+        array.NumberX = 6
+        self.doc.recompute(None,True,True)
+        self.assertEqual(array.Count, array.NumberX)
+
+        array.NumberX = 24
+        self.doc.recompute(None,True,True)
+        self.assertEqual(array.Count, array.NumberX)
+
+        self.doc.recompute(None,True,True)
+        self.assertEqual(array.Count, array.NumberX)
+
+    def tearDown(self):
+        """Finish the test.
+
+        This is executed after each test, so we close the document.
+        """
+        App.closeDocument(self.doc.Name)
+
+## @}