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# /****************************************************************************
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# Copyright (c) 2023 Ondsel <development@ondsel.com> *
# *
# This file is part of FreeCAD. *
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# 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. *
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# License along with FreeCAD. If not, see *
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import FreeCAD as App
import Part
import unittest
import UtilsAssembly
import JointObject
def _msg(text, end="\n"):
"""Write messages to the console including the line ending."""
App.Console.PrintMessage(text + end)
class TestCore(unittest.TestCase):
@classmethod
def setUpClass(cls):
"""setUpClass()...
This method is called upon instantiation of this test class. Add code and objects here
that are needed for the duration of the test() methods in this class. In other words,
set up the 'global' test environment here; use the `setUp()` method to set up a 'local'
test environment.
This method does not have access to the class `self` reference, but it
is able to call static methods within this same class.
"""
pass
@classmethod
def tearDownClass(cls):
"""tearDownClass()...
This method is called prior to destruction of this test class. Add code and objects here
that cleanup the test environment after the test() methods in this class have been executed.
This method does not have access to the class `self` reference. This method
is able to call static methods within this same class.
"""
pass
# Setup and tear down methods called before and after each unit test
def setUp(self):
"""setUp()...
This method is called prior to each `test()` method. Add code and objects here
that are needed for multiple `test()` methods.
"""
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
self.assembly = App.ActiveDocument.addObject("Assembly::AssemblyObject", "Assembly")
if self.assembly:
self.jointgroup = self.assembly.newObject("Assembly::JointGroup", "Joints")
_msg(" Temporary document '{}'".format(self.doc.Name))
def tearDown(self):
"""tearDown()...
This method is called after each test() method. Add cleanup instructions here.
Such cleanup instructions will likely undo those in the setUp() method.
"""
App.closeDocument(self.doc.Name)
def test_create_assembly(self):
"""Create an assembly."""
operation = "Create Assembly Object"
_msg(" Test '{}'".format(operation))
self.assertTrue(self.assembly, "'{}' failed".format(operation))
def test_create_jointGroup(self):
"""Create a joint group in an assembly."""
operation = "Create JointGroup Object"
_msg(" Test '{}'".format(operation))
self.assertTrue(self.jointgroup, "'{}' failed".format(operation))
def test_create_joint(self):
"""Create a joint in an assembly."""
operation = "Create Joint Object"
_msg(" Test '{}'".format(operation))
joint = self.jointgroup.newObject("App::FeaturePython", "testJoint")
self.assertTrue(joint, "'{}' failed (FeaturePython creation failed)".format(operation))
JointObject.Joint(joint, 0)
self.assertTrue(hasattr(joint, "JointType"), "'{}' failed".format(operation))
def test_create_grounded_joint(self):
"""Create a grounded joint in an assembly."""
operation = "Create Grounded Joint Object"
_msg(" Test '{}'".format(operation))
groundedjoint = self.jointgroup.newObject("App::FeaturePython", "testJoint")
self.assertTrue(
groundedjoint, "'{}' failed (FeaturePython creation failed)".format(operation)
)
box = self.assembly.newObject("Part::Box", "Box")
JointObject.GroundedJoint(groundedjoint, box)
self.assertTrue(
hasattr(groundedjoint, "ObjectToGround"),
"'{}' failed: No attribute 'ObjectToGround'".format(operation),
)
self.assertTrue(
groundedjoint.ObjectToGround == box,
"'{}' failed: ObjectToGround not set correctly.".format(operation),
)
def test_find_placement(self):
"""Test find placement of joint."""
operation = "Find placement"
_msg(" Test '{}'".format(operation))
joint = self.jointgroup.newObject("App::FeaturePython", "testJoint")
JointObject.Joint(joint, 0)
L = 2
W = 3
H = 7
box = self.assembly.newObject("Part::Box", "Box")
box.Length = L
box.Width = W
box.Height = H
box.Placement = App.Placement(App.Vector(10, 20, 30), App.Rotation(15, 25, 35))
# Step 0 : box with placement. No element selected
ref = [self.assembly, [box.Name + ".", box.Name + "."]]
plc = joint.Proxy.findPlacement(joint, ref)
targetPlc = App.Placement(App.Vector(), App.Rotation())
self.assertTrue(plc.isSame(targetPlc, 1e-6), "'{}' failed - Step 0".format(operation))
# Step 1 : box with placement. Face + Vertex
ref = [self.assembly, [box.Name + ".Face6", box.Name + ".Vertex7"]]
plc = joint.Proxy.findPlacement(joint, ref)
targetPlc = App.Placement(App.Vector(L, W, H), App.Rotation())
self.assertTrue(plc.isSame(targetPlc, 1e-6), "'{}' failed - Step 1".format(operation))
# Step 2 : box with placement. Edge + Vertex
ref = [self.assembly, [box.Name + ".Edge8", box.Name + ".Vertex8"]]
plc = joint.Proxy.findPlacement(joint, ref)
targetPlc = App.Placement(App.Vector(L, W, 0), App.Rotation(0, -90, 270))
self.assertTrue(plc.isSame(targetPlc, 1e-6), "'{}' failed - Step 2".format(operation))
# Step 3 : box with placement. Vertex
ref = [self.assembly, [box.Name + ".Vertex3", box.Name + ".Vertex3"]]
plc = joint.Proxy.findPlacement(joint, ref)
targetPlc = App.Placement(App.Vector(0, W, H), App.Rotation())
_msg(" plc '{}'".format(plc))
_msg(" targetPlc '{}'".format(targetPlc))
self.assertTrue(plc.isSame(targetPlc, 1e-6), "'{}' failed - Step 3".format(operation))
# Step 4 : box with placement. Face
ref = [self.assembly, [box.Name + ".Face2", box.Name + ".Face2"]]
plc = joint.Proxy.findPlacement(joint, ref)
targetPlc = App.Placement(App.Vector(L, W / 2, H / 2), App.Rotation(0, -90, 180))
_msg(" plc '{}'".format(plc))
_msg(" targetPlc '{}'".format(targetPlc))
self.assertTrue(plc.isSame(targetPlc, 1e-6), "'{}' failed - Step 4".format(operation))
def test_solve_assembly(self):
"""Test solving an assembly."""
operation = "Solve assembly"
_msg(" Test '{}'".format(operation))
box = self.assembly.newObject("Part::Box", "Box")
box.Length = 10
box.Width = 10
box.Height = 10
box.Placement = App.Placement(App.Vector(10, 20, 30), App.Rotation(15, 25, 35))
box2 = self.assembly.newObject("Part::Box", "Box")
box2.Length = 10
box2.Width = 10
box2.Height = 10
box2.Placement = App.Placement(App.Vector(40, 50, 60), App.Rotation(45, 55, 65))
ground = self.jointgroup.newObject("App::FeaturePython", "GroundedJoint")
JointObject.GroundedJoint(ground, box2)
joint = self.jointgroup.newObject("App::FeaturePython", "testJoint")
JointObject.Joint(joint, 0)
refs = [
[self.assembly, [box2.Name + ".Face6", box2.Name + ".Vertex7"]],
[self.assembly, [box.Name + ".Face6", box.Name + ".Vertex7"]],
]
joint.Proxy.setJointConnectors(joint, refs)
self.assertTrue(box.Placement.isSame(box2.Placement, 1e-6), "'{}'".format(operation))
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