feat: Added functional test for seam_blending with the coresponding m…

…ock-ups

src/readyplayerme/meshops/draw/image.py

@@ -68,4 +68,4 @@ def blend_uv_seams(mesh: mops.Mesh, image: Image) -> Image:
     blurred_mask = np.power(blurred_mask, 1.5)
 
     # Blend in average vertex color at the UV seams.
-    return blend_images(image, raster_image, blurred_mask)
+    return blend_images(image, raster_image, blurred_mask).astype(np.uint8)

tests/readyplayerme/meshops/conftest.py

@@ -32,3 +32,14 @@ def mock_image():
 
     filepath = files(tests.mocks).joinpath("input-img.png")
     return ski.io.imread(filepath)
+
+
+@pytest.fixture
+def mock_image_blended():
+    """Return an image as a numpy array."""
+    from importlib.resources import files
+
+    import tests.mocks
+
+    filepath = files(tests.mocks).joinpath("input-img-blended.png")
+    return ski.io.imread(filepath)

tests/readyplayerme/meshops/integration/test_integration.py

@@ -4,6 +4,7 @@
 import numpy as np
 import numpy.typing as npt
 
+import readyplayerme.meshops.draw.image as img
 import readyplayerme.meshops.mesh as mops
 
 
@@ -28,3 +29,11 @@ def test_access_material_should_fail(gltf_simple_file: str | Path):
     """Test the simple gltf does not have a material."""
     mesh = mops.read_mesh(gltf_simple_file)
     assert mesh.material is None, "Mesh should not have a material."
+
+
+def test_seam_blend(gltf_file_with_basecolor_texture: str | Path, mock_image_blended: npt.NDArray[Any]):
+    """Test the seam blending."""
+    local_mesh = mops.read_mesh(gltf_file_with_basecolor_texture)
+    extracted_image = local_mesh.material.baseColorTexture
+    blended_image = img.blend_uv_seams(local_mesh, extracted_image)
+    assert np.array_equal(blended_image, mock_image_blended), "The blended image should match the mock-up"