160 lines
5.5 KiB
Python
160 lines
5.5 KiB
Python
"""End miter / bevel angled cuts."""
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import json
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import pytest
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from woodshop.scene import Scene
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def test_add_miter_defaults_to_45_on_end():
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s = Scene()
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s.place("2x4", 24)
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f = s.add_feature("p1", "miter") # no angle given
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assert f.kind == "miter" and f.face == "end_b" and f.miter_deg == 45.0
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def test_miter_forced_to_end_face():
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s = Scene()
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s.place("2x4", 24)
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f = s.add_feature("p1", "miter", face="top", miter_deg=30) # top is invalid for miter
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assert f.face == "end_b" and f.miter_deg == 30
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def test_miter_roundtrips_through_json():
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s = Scene()
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s.place("2x4", 24)
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s.add_feature("p1", "miter", miter_deg=45, bevel_deg=15)
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s2 = Scene.from_dict(json.loads(json.dumps(s.to_dict())))
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f = s2.get_part("p1").features[0]
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assert f.kind == "miter" and f.miter_deg == 45 and f.bevel_deg == 15
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def test_cutlist_notes_the_miter():
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from woodshop.cutplan import build_cut_plan
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s = Scene()
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s.place("2x4", 24)
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s.add_feature("p1", "miter", miter_deg=45)
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note = build_cut_plan(s).items[0].note
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assert "miter 45" in note
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def test_instructions_describe_miter():
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from woodshop.instructions import build_steps, format_steps
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s = Scene()
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s.place("2x4", 24)
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s.add_feature("p1", "miter", miter_deg=45, bevel_deg=10)
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text = format_steps(build_steps(s))
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assert "miter 45" in text and "bevel 10" in text
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def test_jigs_suggest_miter_sled_for_repeats():
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from woodshop.jigs import suggest_jigs
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s = Scene()
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for _ in range(4):
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s.place("2x4", 24)
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for pid in ("p1", "p2", "p3", "p4"):
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s.add_feature(pid, "miter", miter_deg=45)
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kinds = [j.kind for j in suggest_jigs(s)]
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assert "miter-sled" in kinds
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def test_miter_geometry_removes_material():
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pytest.importorskip("build123d")
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from woodshop.geometry import part_solid
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s = Scene()
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s.place("2x4", 24)
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square_vol = part_solid(s.get_part("p1")).volume
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s.add_feature("p1", "miter", miter_deg=45)
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mitered_vol = part_solid(s.get_part("p1")).volume
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assert mitered_vol < square_vol # a wedge was cut off
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def test_miter_preview_is_a_wedge_not_a_box():
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pytest.importorskip("pyvista")
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pytest.importorskip("build123d")
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from woodshop.viewer import feature_preview_mesh
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s = Scene()
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s.place("2x4", 24)
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feat = s.add_feature("p1", "miter", miter_deg=45)
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mesh = feature_preview_mesh(s.get_part("p1"), feat)
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assert mesh is not None and mesh.n_points > 0
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# the wedge sits at the mitered end (x≈24), not a 1" box at the end centre
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xmax = mesh.bounds[1]
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assert xmax > 20 # spans out to the board end, like the real cut
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def test_miter_cuts_full_width_not_a_corner():
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"""A 45° miter on a 2x4 should span the FULL width (edge-to-edge), not just
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notch a corner — the removed wedge's width ≈ the board width."""
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pytest.importorskip("build123d")
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from woodshop.geometry import miter_cutter
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from build123d import Box, Pos
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s = Scene()
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s.place("2x4", 24)
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p = s.get_part("p1")
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t, w = p.section_in
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feat = s.add_feature("p1", "miter", miter_deg=45)
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board = Pos(24 / 2, 0, 0) * Box(24, w, t)
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wedge = board & miter_cutter(feat, 24, w, t)
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b = wedge.bounding_box()
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y_extent = b.max.Y - b.min.Y
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assert y_extent > 0.9 * w # spans (nearly) the full 3.5" width
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def test_edit_feature_keeps_miter_on_an_end():
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s = Scene()
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s.place("2x4", 24)
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f = s.add_feature("p1", "miter", miter_deg=45)
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s.edit_feature(f.id, face="top") # invalid for a miter — should be ignored
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assert f.face in ("end_a", "end_b")
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def test_offset_to_centre_notches_a_corner():
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"""A 45° miter hinged at the CENTRE (offset = half width) removes only a
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corner, unlike the full-width edge cut (offset 0)."""
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pytest.importorskip("build123d")
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from woodshop.geometry import miter_cutter
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from build123d import Box, Pos
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s = Scene()
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s.place("2x4", 24)
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t, w = s.get_part("p1").section_in
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f = s.add_feature("p1", "miter", miter_deg=45, miter_offset_in=w / 2)
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board = Pos(12, 0, 0) * Box(24, w, t)
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wedge = board & miter_cutter(f, 24, w, t)
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b = wedge.bounding_box()
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assert (b.max.Y - b.min.Y) < 0.75 * w # only a corner, not full width
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def test_two_centre_offset_miters_make_a_point():
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"""+45 and −45 hinged at centre on the same end bring it to a point."""
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pytest.importorskip("build123d")
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from woodshop.geometry import part_solid
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s = Scene()
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s.place("2x4", 24)
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half = s.get_part("p1").section_in[1] / 2
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full = part_solid(s.get_part("p1")).volume
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s.add_feature("p1", "miter", miter_deg=45, miter_offset_in=half)
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s.add_feature("p1", "miter", miter_deg=-45, miter_offset_in=half)
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pointed = part_solid(s.get_part("p1")).volume
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assert pointed < full # both corners gone -> a point
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def test_offset_roundtrips():
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s = Scene()
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s.place("2x4", 24)
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s.add_feature("p1", "miter", miter_deg=45, miter_offset_in=1.75)
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s2 = Scene.from_dict(json.loads(json.dumps(s.to_dict())))
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assert s2.get_part("p1").features[0].miter_offset_in == 1.75
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def test_chamfer_preview_shows_removed_bevel():
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pytest.importorskip("pyvista")
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pytest.importorskip("build123d")
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from woodshop.viewer import feature_preview_mesh
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s = Scene()
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s.place("2x4", 24)
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f = s.add_feature("p1", "chamfer", face="top", width_in=0.25)
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mesh = feature_preview_mesh(s.get_part("p1"), f)
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assert mesh is not None and mesh.n_points > 0 # the bevel slivers, not a slab
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