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# ***************************************************************************
# * *
# * Copyright (c) 2013 Yorik van Havre <yorik@uncreated.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 Arch wall module
import os
import Arch
import Draft
import Part
import FreeCAD as App
from bimtests import TestArchBase
class TestArchWall(TestArchBase.TestArchBase):
def testWall(self):
operation = "Checking Arch Wall..."
self.printTestMessage(operation)
l = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(-2, 0, 0))
w = Arch.makeWall(l)
self.assertTrue(w, "Arch Wall failed")
def testWallMultiMatAlign(self):
operation = "Checking Arch Wall with MultiMaterial and 3 alignments..."
self.printTestMessage(operation)
matA = Arch.makeMaterial()
matB = Arch.makeMaterial()
matMulti = Arch.makeMultiMaterial()
matMulti.Materials = [matA, matB]
matMulti.Thicknesses = [100, 200] # total width different from default 200
pts = [
App.Vector(0, 0, 0),
App.Vector(1000, 0, 0),
App.Vector(1000, 1000, 0),
App.Vector(2000, 1000, 0),
]
# wall based on wire:
wire = Draft.makeWire(pts)
wallWire = Arch.makeWall(wire)
wallWire.Material = matMulti
# wall based on sketch:
sketch = App.activeDocument().addObject("Sketcher::SketchObject", "Sketch")
sketch.addGeometry(
[
Part.LineSegment(pts[0], pts[1]),
Part.LineSegment(pts[1], pts[2]),
Part.LineSegment(pts[2], pts[3]),
]
)
wallSketch = Arch.makeWall(sketch)
wallSketch.Material = matMulti
alignLst = ["Left", "Center", "Right"]
checkLst = [
[App.Vector(0, -300, 0), App.Vector(2000, 1000, 0)],
[App.Vector(0, -150, 0), App.Vector(2000, 1150, 0)],
[App.Vector(0, 0, 0), App.Vector(2000, 1300, 0)],
]
for i in range(3):
wallWire.Align = alignLst[i]
wallSketch.Align = alignLst[i]
App.ActiveDocument.recompute()
for box in [wallWire.Shape.BoundBox, wallSketch.Shape.BoundBox]:
ptMin = App.Vector(box.XMin, box.YMin, 0)
self.assertTrue(
ptMin.isEqual(checkLst[i][0], 1e-8),
"Arch Wall with MultiMaterial and 3 alignments failed",
)
ptMax = App.Vector(box.XMax, box.YMax, 0)
self.assertTrue(
ptMax.isEqual(checkLst[i][1], 1e-8),
"Arch Wall with MultiMaterial and 3 alignments failed",
)
def test_makeWall(self):
"""Test the makeWall function."""
operation = "Testing makeWall function"
self.printTestMessage(operation)
wall = Arch.makeWall(length=5000, width=200, height=3000)
self.assertIsNotNone(wall, "makeWall failed to create a wall object.")
self.assertEqual(wall.Label, "Wall", "Wall label is incorrect.")
def test_joinWalls(self):
"""Test the joinWalls function."""
operation = "Testing joinWalls function"
self.printTestMessage(operation)
base_line1 = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(5000, 0, 0))
base_line2 = Draft.makeLine(App.Vector(5000, 0, 0), App.Vector(5000, 3000, 0))
wall1 = Arch.makeWall(base_line1, width=200, height=3000)
wall2 = Arch.makeWall(base_line2, width=200, height=3000)
joined_wall = Arch.joinWalls([wall1, wall2])
self.assertIsNotNone(joined_wall, "joinWalls failed to join walls.")
def test_remove_base_from_wall_without_host(self):
"""
Tests that removing a debasable wall's base using removeComponents
successfully unlinks the base.
"""
self.printTestMessage("Testing removal of a wall's base component...")
# 1. Arrange: Create a wall with a base
line = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(2000, 0, 0))
# Ensure the base object's shape is computed, making the wall debasable.
line.recompute()
wall = Arch.makeWall(line)
self.document.recompute() # Ensure wall is fully formed
self.assertIsNotNone(wall.Base, "Pre-condition failed: Wall should have a base.")
self.assertTrue(
Arch.is_debasable(wall), "Pre-condition failed: The test wall is not debasable."
)
# 2. Act: Call removeComponents on the base.
# This will trigger the is_debasable -> True -> debaseWall() path.
Arch.removeComponents([wall.Base])
self.document.recompute()
# 3. Assert: The base should now be None because debaseWall was successful.
self.assertIsNone(wall.Base, "The wall's Base property was not cleared after removal.")
def test_is_debasable_with_valid_line_base(self):
"""Tests that a wall based on a single Draft.Line is debasable."""
self.printTestMessage("Checking is_debasable with Draft.Line...")
line = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(1000, 0, 0))
line.recompute()
wall = Arch.makeWall(line)
self.document.recompute()
self.assertTrue(Arch.is_debasable(wall), "Wall on Draft.Line should be debasable.")
def test_is_debasable_with_valid_sketch_base(self):
"""Tests that a wall based on a Sketch with a single line is debasable."""
self.printTestMessage("Checking is_debasable with single-line Sketch...")
sketch = self.document.addObject("Sketcher::SketchObject", "SingleLineSketch")
sketch.addGeometry(Part.LineSegment(App.Vector(0, 0, 0), App.Vector(1000, 0, 0)))
self.document.recompute()
wall = Arch.makeWall(sketch)
self.assertTrue(Arch.is_debasable(wall), "Wall on single-line Sketch should be debasable.")
def test_is_debasable_with_multi_edge_base(self):
"""Tests that a wall based on a multi-segment wire is not debasable."""
self.printTestMessage("Checking is_debasable with multi-segment Wire...")
wire = Draft.makeWire(
[App.Vector(0, 0, 0), App.Vector(1000, 0, 0), App.Vector(1000, 1000, 0)]
)
wall = Arch.makeWall(wire)
self.assertFalse(
Arch.is_debasable(wall), "Wall on multi-segment wire should not be debasable."
)
def test_is_debasable_with_curved_base(self):
"""Tests that a wall based on an arc is not debasable."""
self.printTestMessage("Checking is_debasable with curved base...")
arc = Draft.make_circle(radius=500, startangle=0, endangle=90)
self.document.recompute()
wall = Arch.makeWall(arc)
self.document.recompute()
self.assertFalse(Arch.is_debasable(wall), "Wall on curved base should not be debasable.")
def test_is_debasable_with_no_base(self):
"""Tests that a baseless wall is not debasable."""
self.printTestMessage("Checking is_debasable with no base...")
wall = Arch.makeWall(length=1000)
self.assertFalse(Arch.is_debasable(wall), "Baseless wall should not be debasable.")
def test_debase_wall_preserves_global_position(self):
"""
Tests that debaseWall correctly transfers the base's placement to the
wall, preserving its global position and dimensions.
"""
self.printTestMessage("Checking debaseWall preserves global position...")
# 1. Arrange: Create a rotated and translated line, and a wall from it.
pl = App.Placement(App.Vector(1000, 500, 200), App.Rotation(App.Vector(0, 0, 1), 45))
line = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(2000, 0, 0))
line.Placement = pl
line.recompute() # Use object-level recompute
wall = Arch.makeWall(line, width=200, height=1500, align="Left")
self.document.recompute()
# Store the wall's original state
original_bb = wall.Shape.BoundBox
original_volume = wall.Shape.Volume
original_length = wall.Length.Value
# 2. Act: Debase the wall
success = Arch.debaseWall(wall)
self.document.recompute()
# 3. Assert
self.assertTrue(success, "debaseWall should return True for a valid wall.")
self.assertIsNone(wall.Base, "Wall's Base should be None after debasing.")
# Core assertions for preserving geometry and placement
self.assertAlmostEqual(
original_volume,
wall.Shape.Volume,
delta=1e-6,
msg="Wall volume should not change after debasing.",
)
# Compare individual properties of the BoundBox with a tolerance
final_bb = wall.Shape.BoundBox
self.assertAlmostEqual(
original_bb.XMin, final_bb.XMin, delta=1e-6, msg="Bounding box XMin does not match."
)
self.assertAlmostEqual(
original_bb.XMax, final_bb.XMax, delta=1e-6, msg="Bounding box XMax does not match."
)
self.assertAlmostEqual(
original_bb.YMin, final_bb.YMin, delta=1e-6, msg="Bounding box YMin does not match."
)
self.assertAlmostEqual(
original_bb.YMax, final_bb.YMax, delta=1e-6, msg="Bounding box YMax does not match."
)
self.assertAlmostEqual(
original_bb.ZMin, final_bb.ZMin, delta=1e-6, msg="Bounding box ZMin does not match."
)
self.assertAlmostEqual(
original_bb.ZMax, final_bb.ZMax, delta=1e-6, msg="Bounding box ZMax does not match."
)
# Check parametric integrity
self.assertAlmostEqual(
wall.Length.Value,
original_length,
delta=1e-6,
msg="Wall's Length property should be preserved.",
)
# Verify it remains parametric by changing a property
wall.Height = 2000
self.document.recompute()
self.assertNotAlmostEqual(
original_volume,
wall.Shape.Volume,
delta=1e-6,
msg="Wall should remain parametric and its volume should change with height.",
)
def test_makeWall_baseless_alignment(self):
"""
Tests that Arch.makeWall correctly creates a baseless wall with the
specified alignment.
"""
self.printTestMessage("Checking baseless wall alignment from makeWall...")
# Define the test cases: (Alignment Mode, Expected final Y-center)
test_cases = [
("Center", 0.0),
("Left", -100.0),
("Right", 100.0),
]
for align_mode, expected_y_center in test_cases:
with self.subTest(alignment=align_mode):
# 1. Arrange & Act: Create a baseless wall using the API call.
wall = Arch.makeWall(length=2000, width=200, height=1500, align=align_mode)
self.document.recompute()
# 2. Assert Geometry: Verify the shape is valid.
self.assertFalse(
wall.Shape.isNull(), msg=f"[{align_mode}] Shape should not be null."
)
expected_volume = 2000 * 200 * 1500
self.assertAlmostEqual(
wall.Shape.Volume,
expected_volume,
delta=1e-6,
msg=f"[{align_mode}] Wall volume is incorrect.",
)
# 3. Assert Placement and Alignment.
# The wall's Placement should be at the origin.
self.assertTrue(
wall.Placement.Base.isEqual(App.Vector(0, 0, 0), 1e-6),
msg=f"[{align_mode}] Default placement Base should be at the origin.",
)
self.assertAlmostEqual(
wall.Placement.Rotation.Angle,
0.0,
delta=1e-6,
msg=f"[{align_mode}] Default placement Rotation should be zero.",
)
# The shape's center should be offset according to the alignment.
shape_center = wall.Shape.BoundBox.Center
expected_center = App.Vector(0, expected_y_center, 750)
self.assertTrue(
shape_center.isEqual(expected_center, 1e-5),
msg=f"For '{align_mode}' align, wall center {shape_center} does not match expected {expected_center}",
)
def test_baseless_wall_stretch_api(self):
"""
Tests the proxy methods for graphically editing baseless walls:
calc_endpoints() and set_from_endpoints().
"""
self.printTestMessage("Checking baseless wall stretch API...")
# 1. Arrange: Create a baseless wall and then set its placement.
initial_placement = App.Placement(
App.Vector(1000, 1000, 0), App.Rotation(App.Vector(0, 0, 1), 45)
)
# Create wall first, then set its placement.
wall = Arch.makeWall(length=2000)
wall.Placement = initial_placement
self.document.recompute()
# 2. Test calc_endpoints()
endpoints = wall.Proxy.calc_endpoints(wall)
self.assertEqual(len(endpoints), 2, "calc_endpoints should return two points.")
# Verify the calculated endpoints against manual calculation
half_len_vec_x = App.Vector(1000, 0, 0)
rotated_half_vec = initial_placement.Rotation.multVec(half_len_vec_x)
expected_p1 = initial_placement.Base - rotated_half_vec
expected_p2 = initial_placement.Base + rotated_half_vec
self.assertTrue(endpoints[0].isEqual(expected_p1, 1e-6), "Start point is incorrect.")
self.assertTrue(endpoints[1].isEqual(expected_p2, 1e-6), "End point is incorrect.")
# 3. Test set_from_endpoints()
new_p1 = App.Vector(0, 0, 0)
new_p2 = App.Vector(4000, 0, 0)
wall.Proxy.set_from_endpoints(wall, [new_p1, new_p2])
self.document.recompute()
# Assert that the wall's properties have been updated correctly
self.assertAlmostEqual(
wall.Length.Value, 4000.0, delta=1e-6, msg="Length was not updated correctly."
)
expected_center = App.Vector(2000, 0, 0)
self.assertTrue(
wall.Placement.Base.isEqual(expected_center, 1e-6),
"Placement.Base (center) was not updated correctly.",
)
# Check rotation (should now be zero as the new points are on the X-axis)
self.assertAlmostEqual(
wall.Placement.Rotation.Angle,
0.0,
delta=1e-6,
msg="Placement.Rotation was not updated correctly.",
)
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