def test_Cycle(self):
"""
Verify that a MaterialX file with an inherits cycle fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('''<?xml version="1.0" ?>
<materialx version="1.35">
<nodedef name="n1" type="float" node="test" inherit="n2">
<nodedef name="n2" type="float" node="test" inherit="n1">
</materialx>
''')
def test_DuplicateName(self):
"""
Verify that a MaterialX file with duplicate element names fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('''<?xml version="1.0" ?>
<materialx version="1.35">
<typedef name="type1">
<typedef name="type1">
</materialx>
''')
def test_Cycle(self):
"""
Verify that a MaterialX file with an inherits cycle fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString(
'''<?xml version="1.0" ?>
<materialx version="1.35">
<nodedef name="n1" type="float" node="test" inherit="n2">
<nodedef name="n2" type="float" node="test" inherit="n1">
</materialx>
''')
def test_DuplicateName(self):
"""
Verify that a MaterialX file with duplicate element names fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString(
'''<?xml version="1.0" ?>
<materialx version="1.35">
<typedef name="type1">
<typedef name="type1">
</materialx>
''')
def test_EmptyMaterialXDocument(self):
"""
Verify that a file with an empty a materialx element is okay.
"""
stage = UsdMtlx._TestString('''<?xml version="1.0" ?>
<materialx version="1.35">
</materialx>
''')
self.assertEqual(stage.GetRootLayer().ExportToString(), _EmptyLayer())
def test_EmptyMaterialXDocument(self):
"""
Verify that a file with an empty a materialx element is okay.
"""
stage = UsdMtlx._TestString(
'''<?xml version="1.0" ?>
<materialx version="1.35">
</materialx>
''')
self.assertEqual(stage.GetRootLayer().ExportToString(),
_EmptyLayer())
def test_EmptyXMLDocument(self):
"""
Verify that a MaterialX file with only an XML header fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('''<?xml version="1.0" ?>''')
def test_BadMagic(self):
"""
Verify that a MaterialX file with a bad XML header fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('''<?not_xml version="1.0" ?>''')
def test_EmptyFile(self):
"""
Verify that an empty MaterialX document fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('')
def test_EmptyXMLDocument(self):
"""
Verify that a MaterialX file with only an XML header fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('''<?xml version="1.0" ?>''')
def test_BadMagic(self):
"""
Verify that a MaterialX file with a bad XML header fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('''<?not_xml version="1.0" ?>''')
def test_EmptyFile(self):
"""
Verify that an empty MaterialX document fails.
"""
with self.assertRaises(Tf.ErrorException) as e:
UsdMtlx._TestString('')