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# Unit tests for the ArchComponent module
import Arch
import Draft
import Part
import FreeCAD as App
from bimtests import TestArchBase
from draftutils.messages import _msg
from math import pi, cos, sin, radians
class TestArchComponent(TestArchBase.TestArchBase):
def testAdd(self):
App.Console.PrintLog("Checking Arch Add...\n")
l = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(2, 0, 0))
w = Arch.makeWall(l, width=0.2, height=2)
sb = Part.makeBox(1, 1, 1)
b = App.ActiveDocument.addObject("Part::Feature", "Box")
b.Shape = sb
App.ActiveDocument.recompute()
Arch.addComponents(b, w)
App.ActiveDocument.recompute()
r = w.Shape.Volume > 1.5
self.assertTrue(r, "Arch Add failed")
def testRemove(self):
App.Console.PrintLog("Checking Arch Remove...\n")
l = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(2, 0, 0))
w = Arch.makeWall(l, width=0.2, height=2, align="Right")
sb = Part.makeBox(1, 1, 1)
b = App.ActiveDocument.addObject("Part::Feature", "Box")
b.Shape = sb
App.ActiveDocument.recompute()
Arch.removeComponents(b, w)
App.ActiveDocument.recompute()
r = w.Shape.Volume < 0.75
self.assertTrue(r, "Arch Remove failed")
def testBsplineSlabAreas(self):
"""Test the HorizontalArea and VerticalArea properties of a Bspline-based slab.
See https://github.com/FreeCAD/FreeCAD/issues/20989.
"""
operation = "Checking Bspline slab area calculation..."
self.printTestMessage(operation)
doc = App.ActiveDocument
# Parameters
radius = 10000 # 10 meters in mm
extrusionLength = 100 # 10 cm in mm
numPoints = 50 # Number of points for B-spline
startAngle = 0 # Start at 0 degrees (right)
endAngle = 180 # End at 180 degrees (left)
# Create points for semicircle
points = []
angleStep = (endAngle - startAngle) / (numPoints - 1)
for i in range(numPoints):
angleDeg = startAngle + i * angleStep
angleRad = radians(angleDeg)
x = radius * cos(angleRad)
y = radius * sin(angleRad)
points.append(App.Vector(x, y, 0))
# Create Draft objects
bspline = Draft.makeBSpline(points, closed=False)
closingLine = Draft.makeLine(points[-1], points[0])
doc.recompute()
# Create sketch
# We do this because Draft.make_wires does not support B-splines
# and we need a closed wire for the slab
sketch = Draft.makeSketch([bspline, closingLine], autoconstraints=True, delete=True)
if sketch is None:
self.fail("Sketch creation failed")
sketch.recompute()
# Create slab
slab = Arch.makeStructure(sketch, length=extrusionLength, name="Slab")
slab.recompute()
# Calculate theoretical areas
radiusMeters = radius / 1000
heightMeters = extrusionLength / 1000
theoreticalHorizontalArea = (pi * radiusMeters**2) / 2
theoreticalVerticalArea = (pi * radiusMeters + 2 * radiusMeters) * heightMeters
# Get actual areas
actualHorizontalArea = slab.HorizontalArea.getValueAs("m^2").Value
actualVerticalArea = slab.VerticalArea.getValueAs("m^2").Value
# Optimally wrapped assertions
self.assertAlmostEqual(
actualHorizontalArea,
theoreticalHorizontalArea,
places=3,
msg=(
"Horizontal area > 0.1% tolerance | "
f"Exp: {theoreticalHorizontalArea:.3f} m² | "
f"Got: {actualHorizontalArea:.3f} m²"
),
)
self.assertAlmostEqual(
actualVerticalArea,
theoreticalVerticalArea,
places=3,
msg=(
"Vertical area > 0.1% tolerance | "
f"Exp: {theoreticalVerticalArea:.3f} m² | "
f"Got: {actualVerticalArea:.3f} m²"
),
)
def testHouseSpaceAreas(self):
"""Test the HorizontalArea and VerticalArea properties of a house-like space.
See https://github.com/FreeCAD/FreeCAD/issues/14687.
"""
operation = "Checking house space area calculation..."
self.printTestMessage(operation)
doc = App.ActiveDocument
# Dimensional parameters (all in mm)
baseLength = 5000 # 5m along X-axis
baseWidth = 5000 # 5m along Y-axis (extrusion depth)
rectangleHeight = 2500 # 2.5m lower rectangular portion
triangleHeight = 2500 # 2.5m upper triangular portion
totalHeight = rectangleHeight + triangleHeight # 5m total height
# Create envelope profile points (XZ plane)
points = [
App.Vector(0, 0, 0),
App.Vector(baseLength, 0, 0),
App.Vector(baseLength, 0, rectangleHeight),
App.Vector(baseLength / 2, 0, totalHeight),
App.Vector(0, 0, rectangleHeight),
]
# Create wire with automatic face creation
wire = Draft.makeWire(points, closed=True, face=True)
if not wire:
self.fail(f"Wire creation failed with points: {points}\n")
doc.recompute()
# Extrude the wire
extrudedObj = Draft.extrude(wire, App.Vector(0, baseWidth, 0), solid=True)
if not extrudedObj:
self.fail("Extrusion failed - no object created\n")
extrudedObj.Label = "Extruded house"
doc.recompute()
# Create Arch Space from the extrusion
space = Arch.makeSpace(extrudedObj)
space.Label = "House space"
doc.recompute()
# Calculate theoretical areas
# Horizontal area (only bottom face on XY plane)
theoreticalHorizontalArea = (baseLength * baseWidth) / 1e6 # 25 m²
# Vertical areas
# Side faces (YZ plane) - two rectangles
sideFaceArea = (rectangleHeight * baseWidth) / 1e6 # 12.5 m² each
totalSides = sideFaceArea * 2 # 25 m²
# Front/back faces (XZ plane)
rectangularPart = (baseLength * rectangleHeight) / 1e6 # 12.5 m²
triangularPart = (baseLength * triangleHeight / 2) / 1e6 # 6.25 m²
totalFrontBack = (rectangularPart + triangularPart) * 2 # 37.5 m²
theoreticalVerticalArea = totalSides + totalFrontBack # 62.5 m²
# Get actual areas from space
actualHorizontalArea = space.HorizontalArea.getValueAs("m^2").Value
actualVerticalArea = space.VerticalArea.getValueAs("m^2").Value
self.assertAlmostEqual(
actualHorizontalArea,
theoreticalHorizontalArea,
places=3,
msg=f"Horizontal area > 0.1% | Exp: {theoreticalHorizontalArea:.3f} | "
f"Got: {actualHorizontalArea:.3f}",
)
self.assertAlmostEqual(
actualVerticalArea,
theoreticalVerticalArea,
places=3,
msg=f"Vertical area > 0.1% | Exp: {theoreticalVerticalArea:.3f} | "
f"Got: {actualVerticalArea:.3f}",
)
def test_remove_single_window_from_wall_host_is_none(self):
"""
Tests that a window is removed from its wall's host list when
Arch.removeComponents is called with host=None (single window selection scenario).
See https://github.com/FreeCAD/FreeCAD/issues/21551
"""
# Create a basic wall
wall_base = Draft.makeLine(App.Vector(0, 0, 0), App.Vector(3000, 0, 0))
wall = Arch.makeWall(wall_base, width=200, height=2500)
# Create a window to be added to the wall
window_width = 1000.0
window_height = 1200.0
# Create a Draft Rectangle for the window's Base. Arch.makeWindow can work with
# either a Wire or a Face.
window_base = Draft.makeRectangle(length=window_width, height=window_height)
window = Arch.makeWindow(baseobj=window_base)
window.Width = window_width # Manually set as makeWindow(base) doesn't
window.Height = window_height # Manually set
self.document.recompute()
# Add the window to the wall.
Arch.addComponents(window, wall)
self.document.recompute()
# Pre-condition check: ensure the wall is indeed a host for the window.
self.assertIn(wall, window.Hosts, "Wall should be in window.Hosts before removal.")
self.assertEqual(len(window.Hosts), 1, "Window should have 1 host before removal.")
# Simulate the Arch_Remove command with the scenario where only the window
# is selected and "Remove" is used.
Arch.removeComponents([window], host=None)
self.document.recompute() # Important for Arch objects to update their state.
# Assert: the wall should no longer be in the window's Hosts list.
self.assertNotIn(wall, window.Hosts, "Wall should not be in window.Hosts after removal.")
self.assertEqual(len(window.Hosts), 0, "Window.Hosts list should be empty after removal.")
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