Grotti 2.2.6: Wand-Vorschau, dichterer 3D-Pfad, ASCII-Dateinamen.

Kacheln zeigen Moonraker-Thumbnails; Toolpath-Thinning behält ganze Schichten; Nicht-ASCII-Namen vermeiden 10115 beim Senden.

tests/test_toolpath.py

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+"""Toolpath-Thinning: ganze Schichten dicht, keine gesprenkelten Stichproben."""
+
+from grotti.toolpath import TOOLPATH_VERSION, _thin_points, build_toolpath
+
+
+def _fake_points(layers=40, per_layer=800):
+    points = []
+    breaks = []
+    seq = 0
+    for layer in range(layers):
+        z = 0.2 + layer * 0.2
+        breaks.append(len(points))
+        for i in range(per_layer):
+            extrude = 1 if i > 0 else 0
+            points.append([float(i), float(layer), z, extrude, seq])
+            seq += 1
+    return points, breaks
+
+
+def test_thin_keeps_consecutive_extrude_pairs():
+    points, breaks = _fake_points()
+    kept, new_breaks = _thin_points(points, breaks, max_points=8_000)
+    assert len(kept) <= 8_000
+    assert new_breaks
+    consec = 0
+    for i in range(1, len(kept)):
+        if kept[i][3] and kept[i][4] == kept[i - 1][4] + 1:
+            consec += 1
+    assert consec > 500, "Thinning darf keine zeichnbaren Segmente übrig lassen"
+
+
+def test_thin_keeps_solid_layers():
+    points, breaks = _fake_points(layers=50, per_layer=600)
+    kept, _ = _thin_points(points, breaks, max_points=10_000)
+    # Pro behaltener Z-Höhe: hoher Anteil aufeinanderfolgender Extrusionen
+    by_z = {}
+    for i in range(1, len(kept)):
+        if not (kept[i][3] and kept[i][4] == kept[i - 1][4] + 1):
+            continue
+        z = round(kept[i][2], 2)
+        by_z[z] = by_z.get(z, 0) + 1
+    assert by_z, "keine Extrusionssegmente"
+    assert max(by_z.values()) >= 40, "behaltene Schichten sollen dicht sein"
+
+
+def test_toolpath_version():
+    assert TOOLPATH_VERSION >= 8
+
+
+def test_build_empty(tmp_path):
+    path = tmp_path / "empty.gcode"
+    path.write_text("; nix\n", encoding="utf-8")
+    data = build_toolpath(path)
+    assert data["points"] == []
+    assert data["version"] == TOOLPATH_VERSION