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Diffstat (limited to 'tests/python/alembic_tests.py')
-rw-r--r--tests/python/alembic_tests.py57
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/python/alembic_tests.py b/tests/python/alembic_tests.py
index 5f8113729c3..66545dc85c7 100644
--- a/tests/python/alembic_tests.py
+++ b/tests/python/alembic_tests.py
@@ -243,6 +243,63 @@ class DupliGroupExportTest(AbstractAlembicTest):
2.0, 3.0, 0.0, 1.0]
)
+ @with_tempdir
+ def test_multiple_duplicated_hierarchies(self, tempdir: pathlib.Path):
+ abc = tempdir / "multiple-duplicated-hierarchies.abc"
+ script = "import bpy; bpy.ops.wm.alembic_export(filepath='%s', start=1, end=1)" % abc.as_posix()
+ self.run_blender('multiple-duplicated-hierarchies.blend', script)
+
+ # This is the expected hierarchy:
+ # ABC
+ # `--Triangle
+ # |--Triangle
+ # |--Empty-1
+ # | `--Pole-1-0
+ # | |--Pole
+ # | `--Block-1-1
+ # | `--Block
+ # |--Empty
+ # | `--Pole-0
+ # | |--Pole
+ # | `--Block-1
+ # | `--Block
+ # |--Empty-2
+ # | `--Pole-2-0
+ # | |--Pole
+ # | `--Block-2-1
+ # | `--Block
+ # `--Empty-0
+ # `--Pole-0-0
+ # |--Pole
+ # `--Block-0-1
+ # `--Block
+
+ # Now check the resulting Alembic file.
+ xform = self.abcprop(abc, '/Triangle/Empty-1/Pole-1-0/Block-1-1/.xform')
+ self.assertEqual(1, xform['.inherits'])
+ self.assertAlmostEqualFloatArray(
+ xform['.vals'],
+ [1.0, 0.0, 0.0, 0.0,
+ 0.0, 1.0, 0.0, 0.0,
+ 0.0, 0.0, 1.0, 0.0,
+ 0.0, 2.0, 0.0, 1.0]
+ )
+
+ # If the property can be gotten, the hierarchy is okay. No need to actually check each xform.
+ self.abcprop(abc, '/Triangle/.xform')
+ self.abcprop(abc, '/Triangle/Empty-1/.xform')
+ self.abcprop(abc, '/Triangle/Empty-1/Pole-1-0/.xform')
+ self.abcprop(abc, '/Triangle/Empty-1/Pole-1-0/Block-1-1/.xform')
+ self.abcprop(abc, '/Triangle/Empty/.xform')
+ self.abcprop(abc, '/Triangle/Empty/Pole-0/.xform')
+ self.abcprop(abc, '/Triangle/Empty/Pole-0/Block-1/.xform')
+ self.abcprop(abc, '/Triangle/Empty-2/.xform')
+ self.abcprop(abc, '/Triangle/Empty-2/Pole-2-0/.xform')
+ self.abcprop(abc, '/Triangle/Empty-2/Pole-2-0/Block-2-1/.xform')
+ self.abcprop(abc, '/Triangle/Empty-0/.xform')
+ self.abcprop(abc, '/Triangle/Empty-0/Pole-0-0/.xform')
+ self.abcprop(abc, '/Triangle/Empty-0/Pole-0-0/Block-0-1/.xform')
+
class CurveExportTest(AbstractAlembicTest):
@with_tempdir