test(itkwasm-image-io-wasi): add lsm test

packages/image-io/python/itkwasm-image-io-wasi/tests/test_lsm.py

@@ -0,0 +1,28 @@
+from itkwasm_image_io_wasi import lsm_read_image
+
+from .common import test_input_path
+
+test_input_file_path = test_input_path / "cthead1.lsm"
+
+def verify_image(image):
+    assert image.imageType.dimension == 2
+    assert image.imageType.componentType == "uint8"
+    assert image.imageType.pixelType == "RGB"
+    assert image.imageType.components == 4
+    assert image.origin[0] == 0.0
+    assert image.origin[1] == 0.0
+    assert image.spacing[0] == 1.0e-8
+    assert image.spacing[1] == 1.0e-8
+    assert image.direction[0, 0] == 1.0
+    assert image.direction[0, 1] == 0.0
+    assert image.direction[1, 0] == 0.0
+    assert image.direction[1, 1] == 1.0
+    assert image.size[0] == 256
+    assert image.size[1] == 256
+    assert image.data.shape[1] == 256
+    assert image.data.shape[0] == 256
+
+def test_lsm_read_image():
+    could_read, image = lsm_read_image(test_input_file_path)
+    assert could_read
+    verify_image(image)