test(mesh-io): add wasi test_swc

packages/mesh-io/python/itkwasm-mesh-io-wasi/tests/test_swc.py

@@ -0,0 +1,38 @@
+from pathlib import Path
+
+from itkwasm import FloatTypes, IntTypes, PixelTypes
+
+from itkwasm_mesh_io_wasi import swc_read_mesh, swc_write_mesh
+
+from .common import test_input_path, test_output_path
+
+test_input_file_path = test_input_path / "11706c2.CNG.swc"
+test_output_file_path = test_output_path / "swc-test-11706c2.CNG.swc"
+
+def verify_mesh(mesh):
+    assert mesh.meshType.dimension == 3
+    assert mesh.meshType.pointComponentType == FloatTypes.Float32
+    assert mesh.meshType.cellComponentType == IntTypes.UInt32
+    assert mesh.meshType.pointPixelType == PixelTypes.Scalar
+    assert mesh.meshType.cellPixelType == PixelTypes.Scalar
+    assert mesh.numberOfPoints == 1534
+    assert mesh.numberOfPointPixels == 1534
+    assert mesh.numberOfCells == 1533
+    assert mesh.cellBufferSize == 6132
+
+def test_swc_read_mesh():
+    could_read, mesh = swc_read_mesh(test_input_file_path)
+    assert could_read
+    verify_mesh(mesh)
+
+def test_swc_write_mesh():
+    could_read, mesh = swc_read_mesh(test_input_file_path)
+    assert could_read
+
+    use_compression = False
+    could_write = swc_write_mesh(mesh, test_output_file_path, use_compression=use_compression)
+    assert could_write
+
+    could_read, mesh = swc_read_mesh(test_output_file_path)
+    assert could_read
+    verify_mesh(mesh)