New feature to calculate the radius of a polygonal circle

src/blenderbim/test/tool/test_qto.py

@@ -0,0 +1,41 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import ifcopenshell
+import test.bim.bootstrap
+import blenderbim.core.tool
+import blenderbim.tool as tool
+from blenderbim.tool.qto import Qto as subject
+
+
+class TestImplementsTool(test.bim.bootstrap.NewFile):
+    def test_run(self):
+        assert isinstance(subject(), blenderbim.core.tool.Qto)
+
+
+class TestGetRadiusOfSelectedVertices(test.bim.bootstrap.NewFile):
+    def test_run(self):
+        bpy.ops.mesh.primitive_circle_add()
+        assert round(subject.get_radius_of_selected_vertices(bpy.data.objects.get("Circle")), 3) == 1
+
+
+class TestSetQtoResult(test.bim.bootstrap.NewFile):
+    def test_run(self):
+        subject.set_qto_result(123.4567)
+        assert bpy.context.scene.BIMQtoProperties.qto_result == "123.457"