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USD: Add test for the export_texture_mode option

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Add tests covering the PRESERVE and KEEP export_texture_mode options.

Pull Request: https://projects.blender.org/blender/blender/pulls/132885
This commit is contained in:
Jesse Yurkovich
2025-01-10 06:34:27 +01:00
committed by Jesse Yurkovich
parent 372ecb847f
commit 75f3fab268
1 changed files with 29 additions and 3 deletions
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32
tests/python/bl_usd_export_test.py
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@@ -375,6 +375,34 @@ class USDExportTest(AbstractUSDTest):
self.assertTrue(stage_path.parent.joinpath(image_path1).is_file())
self.assertTrue(stage_path.parent.joinpath(image_path2).is_file())
def test_export_material_textures_mode(self):
"""Validate the non-default export textures mode options."""
# Use the common materials .blend file
bpy.ops.wm.open_mainfile(filepath=str(self.testdir / "usd_materials_export.blend"))
# For this test, the "textures" directory should NOT exist and the image paths
# should all point to the original test location, not the temp output location.
def check_image_paths(stage):
orig_tex_path = (self.testdir / "textures")
temp_tex_path = (self.tempdir / "textures")
self.assertFalse(temp_tex_path.is_dir())
shader_prim = stage.GetPrimAtPath("/root/_materials/Material/Image_Texture")
shader = UsdShade.Shader(shader_prim)
filepath = pathlib.Path(shader.GetInput('file').Get().path)
self.assertEqual(orig_tex_path, filepath.parent)
export_file = str(self.tempdir / "usd_materials_texture_preserve.usda")
self.export_and_validate(
filepath=export_file, export_materials=True, convert_world_material=False, export_textures_mode='PRESERVE')
check_image_paths(Usd.Stage.Open(export_file))
export_file = str(self.tempdir / "usd_materials_texture_keep.usda")
self.export_and_validate(
filepath=export_file, export_materials=True, convert_world_material=False, export_textures_mode='KEEP')
check_image_paths(Usd.Stage.Open(export_file))
def test_export_material_displacement(self):
"""Validate correct export of Displacement information for the UsdPreviewSurface"""
@@ -1179,8 +1207,8 @@ class USDExportTest(AbstractUSDTest):
def test_export_units(self):
"""Test specifying stage meters per unit on export."""
bpy.ops.wm.open_mainfile(filepath=str(self.testdir / "empty.blend"))
export_path = self.tempdir / "usd_export_units_test_cm.usda"
export_path = self.tempdir / "usd_export_units_test_cm.usda"
self.export_and_validate(
filepath=str(export_path),
convert_scene_units='CENTIMETERS'
@@ -1193,7 +1221,6 @@ class USDExportTest(AbstractUSDTest):
# Export with default meters units.
export_path = self.tempdir / "usd_export_units_test_default.usda"
self.export_and_validate(
filepath=str(export_path)
)
@@ -1205,7 +1232,6 @@ class USDExportTest(AbstractUSDTest):
# Export with custom meters per unit.
export_path = self.tempdir / "usd_export_units_test_custom.usda"
self.export_and_validate(
filepath=str(export_path),
convert_scene_units='CUSTOM',