def setUp(self):
self.s = dna.Struct(b'AlembicObjectPath')
self.s_char = dna.Struct(b'char', 1)
self.s_float = dna.Struct(b'float', 4)
self.s_uint64 = dna.Struct(b'uint64_t', 8)
self.s_uint128 = dna.Struct(b'uint128_t', 16) # non-supported type
self.f_next = dna.Field(self.s, dna.Name(b'*next'), 8, 0)
self.f_prev = dna.Field(self.s, dna.Name(b'*prev'), 8, 8)
self.f_path = dna.Field(self.s_char, dna.Name(b'path[4096]'), 4096, 16)
self.f_pointer = dna.Field(self.s_char, dna.Name(b'*ptr'), 3 * 8, 4112)
self.f_number = dna.Field(self.s_uint64, dna.Name(b'numbah'), 8, 4136)
self.f_floaty = dna.Field(self.s_float, dna.Name(b'floaty[2]'), 2 * 4,
4144)
self.f_flag = dna.Field(self.s_char, dna.Name(b'bitflag'), 1, 4152)
self.f_bignum = dna.Field(self.s_uint128, dna.Name(b'bignum'), 16,
4153)
self.s.append_field(self.f_next)
self.s.append_field(self.f_prev)
self.s.append_field(self.f_path)
self.s.append_field(self.f_pointer)
self.s.append_field(self.f_number)
self.s.append_field(self.f_floaty)
self.s.append_field(self.f_flag)
self.s.append_field(self.f_bignum)
def test_simple_name(self):
n = dna.Name(b'Suzanne')
self.assertEqual(n.name_full, b'Suzanne')
self.assertEqual(n.name_only, b'Suzanne')
self.assertFalse(n.is_pointer)
self.assertFalse(n.is_method_pointer)
self.assertEqual(n.array_size, 1)
def test_pointer_array(self):
n = dna.Name(b'*mtex[18]')
self.assertEqual(n.name_full, b'*mtex[18]')
self.assertEqual(n.name_only, b'mtex')
self.assertTrue(n.is_pointer)
self.assertFalse(n.is_method_pointer)
self.assertEqual(n.array_size, 18)
def test_nested_array(self):
n = dna.Name(b'pattern_corners[4][2]')
self.assertEqual(n.name_full, b'pattern_corners[4][2]')
self.assertEqual(n.name_only, b'pattern_corners')
self.assertFalse(n.is_pointer)
self.assertFalse(n.is_method_pointer)
self.assertEqual(n.array_size, 8)
def test_simple_array(self):
n = dna.Name(b'flame_smoke_color[3]')
self.assertEqual(n.name_full, b'flame_smoke_color[3]')
self.assertEqual(n.name_only, b'flame_smoke_color')
self.assertFalse(n.is_pointer)
self.assertFalse(n.is_method_pointer)
self.assertEqual(n.array_size, 3)
def test_method_pointer(self):
n = dna.Name(b'(*delta_cache)()')
self.assertEqual(n.name_full, b'(*delta_cache)()')
self.assertEqual(n.name_only, b'delta_cache')
self.assertTrue(n.is_pointer)
self.assertTrue(n.is_method_pointer)
self.assertEqual(n.array_size, 1)
def test_pointer(self):
n = dna.Name(b'*marker')
self.assertEqual(n.name_full, b'*marker')
self.assertEqual(n.name_only, b'marker')
self.assertTrue(n.is_pointer)
self.assertFalse(n.is_method_pointer)
self.assertEqual(n.array_size, 1)
def test_autosize(self):
with self.assertRaises(ValueError):
# Maybe it would be better to just return 0 on empty structs.
# They are actually used in Blendfiles (for example
# AbcArchiveHandle), but when actually loading from a blendfile
# the size property is explicitly set anyway. The situation we
# test here is for manually created Struct instances that don't
# have any fields.
dna.Struct(b'EmptyStruct').size
# Create AlebicObjectPath as it is actually used in Blender 2.79a
s = dna.Struct(b'AlembicObjectPath')
f_next = dna.Field(s, dna.Name(b'*next'), 8, 0)
f_prev = dna.Field(s, dna.Name(b'*prev'), 8, 8)
f_path = dna.Field(self.s_char, dna.Name(b'path[4096]'), 4096, 16)
s.append_field(f_next)
s.append_field(f_prev)
s.append_field(f_path)
self.assertEqual(s.size, 4112)
def test_repr(self):
self.assertEqual(repr(dna.Name(b'Suzanne')), "Name(b'Suzanne')")
self.assertEqual(repr(dna.Name(b'*marker')), "Name(b'*marker')")
self.assertEqual(repr(dna.Name(b'(*delta_cache)()')),
"Name(b'(*delta_cache)()')")
self.assertEqual(repr(dna.Name(b'flame_smoke_color[3]')),
"Name(b'flame_smoke_color[3]')")
self.assertEqual(repr(dna.Name(b'pattern_corners[4][2]')),
"Name(b'pattern_corners[4][2]')")
self.assertEqual(repr(dna.Name(b'*mtex[18]')), "Name(b'*mtex[18]')")
def test_as_reference(self):
n = dna.Name(b'(*delta_cache)()')
self.assertEqual(n.as_reference(None), b'delta_cache')
self.assertEqual(n.as_reference(b''), b'delta_cache')
self.assertEqual(n.as_reference(b'parent'), b'parent.delta_cache')
