[tests] Add machine-generated test suite

masque/test/test_renderpather.py

@@ -0,0 +1,73 @@
+import pytest
+import numpy
+from numpy.testing import assert_equal, assert_allclose
+from numpy import pi
+
+from ..builder import RenderPather
+from ..builder.tools import PathTool
+from ..library import Library
+from ..ports import Port
+
+@pytest.fixture
+def rpather_setup():
+    lib = Library()
+    tool = PathTool(layer=(1, 0), width=2, ptype="wire")
+    rp = RenderPather(lib, tools=tool)
+    rp.ports["start"] = Port((0, 0), pi/2, ptype="wire")
+    return rp, tool, lib
+
+def test_renderpather_basic(rpather_setup):
+    rp, tool, lib = rpather_setup
+    # Plan two segments
+    rp.at("start").path(ccw=None, length=10).path(ccw=None, length=10)
+    
+    # Before rendering, no shapes in pattern
+    assert not rp.pattern.has_shapes()
+    assert len(rp.paths["start"]) == 2
+    
+    # Render
+    rp.render()
+    assert rp.pattern.has_shapes()
+    assert len(rp.pattern.shapes[(1, 0)]) == 1
+    
+    # Path vertices should be (0,0), (0,-10), (0,-20)
+    # transformed by start port (rot pi/2 -> 270 deg transform)
+    # wait, PathTool.render for opcode L uses rotation_matrix_2d(port_rot + pi)
+    # start_port rot pi/2. pi/2 + pi = 3pi/2.
+    # (10, 0) rotated 3pi/2 -> (0, -10)
+    # So vertices: (0,0), (0,-10), (0,-20)
+    path_shape = rp.pattern.shapes[(1, 0)][0]
+    assert len(path_shape.vertices) == 3
+    assert_allclose(path_shape.vertices, [[0, 0], [0, -10], [0, -20]], atol=1e-10)
+
+def test_renderpather_bend(rpather_setup):
+    rp, tool, lib = rpather_setup
+    # Plan straight then bend
+    rp.at("start").path(ccw=None, length=10).path(ccw=False, length=10)
+    
+    rp.render()
+    path_shape = rp.pattern.shapes[(1, 0)][0]
+    # Path vertices: 
+    # 1. Start (0,0)
+    # 2. Straight end: (0, -10)
+    # 3. Bend end: (-1, -20)
+    # PathTool.planL(ccw=False, length=10) returns data=[10, -1]
+    # start_port for 2nd segment is at (0, -10) with rotation pi/2
+    # dxy = rot(pi/2 + pi) @ (10, 0) = (0, -10). So vertex at (0, -20).
+    # and final end_port.offset is (-1, -20).
+    assert len(path_shape.vertices) == 4
+    assert_allclose(path_shape.vertices, [[0, 0], [0, -10], [0, -20], [-1, -20]], atol=1e-10)
+
+def test_renderpather_retool(rpather_setup):
+    rp, tool1, lib = rpather_setup
+    tool2 = PathTool(layer=(2, 0), width=4, ptype="wire")
+    
+    rp.at("start").path(ccw=None, length=10)
+    rp.retool(tool2, keys=["start"])
+    rp.at("start").path(ccw=None, length=10)
+    
+    rp.render()
+    # Different tools should cause different batches/shapes
+    assert len(rp.pattern.shapes[(1, 0)]) == 1
+    assert len(rp.pattern.shapes[(2, 0)]) == 1
+