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# Apache License, Version 2.0
# ./blender.bin --background -noaudio --python tests/python/bl_pyapi_idprop.py -- --verbose
import bpy
import unittest
import numpy as np
from array import array
class TestHelper:
@property
def id(self):
return self._id
def setUp(self):
self._id = bpy.context.scene
assert(len(self._id.keys()) == 0 or self._id.keys() == ["cycles"])
def tearDown(self):
for key in list(self._id.keys()):
if key != "cycles":
del self._id[key]
def assertAlmostEqualSeq(self, list1, list2):
self.assertEqual(len(list1), len(list2))
for v1, v2 in zip(list1, list2):
self.assertAlmostEqual(v1, v2, places=5)
class TestIdPropertyCreation(TestHelper, unittest.TestCase):
def test_name_empty(self):
self.id[""] = 4
self.assertEqual(self.id[""], 4)
def test_name_too_long(self):
with self.assertRaises(KeyError):
self.id["name" * 30] = 4
def test_int(self):
self.id["a"] = 2
self.assertEqual(self.id["a"], 2)
self.assertTrue(isinstance(self.id["a"], int))
with self.assertRaises(OverflowError):
self.id["a"] = 2 ** 31 # integer <= 2 ** 31-1
def test_double(self):
self.id["a"] = 2.5
self.assertEqual(self.id["a"], 2.5)
self.assertTrue(isinstance(self.id["a"], float))
def test_unicode(self):
self.id["a"] = "Hello World"
self.assertEqual(self.id["a"], "Hello World")
self.assertTrue(isinstance(self.id["a"], str))
def test_bytes(self):
self.id["a"] = b"Hello World"
self.assertEqual(self.id["a"], b"Hello World")
self.assertTrue(isinstance(self.id["a"], bytes))
def test_sequence_double_list(self):
mylist = [1.2, 3.4, 5.6]
self.id["a"] = mylist
self.assertEqual(self.id["a"].to_list(), mylist)
self.assertEqual(self.id["a"].typecode, "d")
def test_sequence_int_list(self):
mylist = [1, 2, 3]
self.id["a"] = mylist
self.assertEqual(self.id["a"].to_list(), mylist)
self.assertEqual(self.id["a"].typecode, "i")
def test_sequence_float_array(self):
mylist = [1.2, 3.4, 5.6]
self.id["a"] = array("f", mylist)
self.assertAlmostEqualSeq(self.id["a"].to_list(), mylist)
self.assertEqual(self.id["a"].typecode, "f")
def test_sequence_double_array(self):
mylist = [1.2, 3.4, 5.6]
self.id["a"] = array("d", mylist)
self.assertAlmostEqualSeq(self.id["a"].to_list(), mylist)
self.assertEqual(self.id["a"].typecode, "d")
def test_sequence_int_array(self):
mylist = [1, 2, 3]
self.id["a"] = array("i", mylist)
self.assertAlmostEqualSeq(self.id["a"].to_list(), mylist)
self.assertEqual(self.id["a"].typecode, "i")
def test_sequence_other_array(self):
mylist = [1, 2, 3]
self.id["a"] = array("Q", mylist)
self.assertEqual(self.id["a"].to_list(), mylist)
def test_sequence_mixed_numerical_type(self):
self.id["a"] = [1, 2, 3.4, 5]
self.assertAlmostEqualSeq(self.id["a"].to_list(), [1.0, 2.0, 3.4, 5.0])
self.assertEqual(self.id["a"].typecode, "d")
def test_sequence_str_list(self):
# I'm a bit surprised that this works
mylist = ["abc", "qwe"]
self.id["a"] = mylist
self.assertEqual(self.id["a"], mylist)
def test_sequence_mixed_type(self):
with self.assertRaises(TypeError):
mylist = ["abc", 3, "qwe", 3.4]
self.id["a"] = mylist
def test_mapping_simple(self):
mydict = {"1": 10, "2": "20", "3": 30.5}
self.id["a"] = mydict
self.assertEqual(self.id["a"]["1"], mydict["1"])
self.assertEqual(self.id["a"]["2"], mydict["2"])
self.assertEqual(self.id["a"]["3"], mydict["3"])
def test_mapping_complex(self):
mydict = {
"1": [1, 2, 3],
"2": {"1": "abc", "2": array("i", [4, 5, 6])},
"3": {"1": {"1": 10}, "2": b"qwe"},
}
self.id["a"] = mydict
self.assertEqual(self.id["a"]["1"].to_list(), [1, 2, 3])
self.assertEqual(self.id["a"]["2"]["1"], "abc")
self.assertEqual(self.id["a"]["2"]["2"].to_list(), [4, 5, 6])
self.assertEqual(self.id["a"]["3"]["1"]["1"], 10)
self.assertEqual(self.id["a"]["3"]["2"], b"qwe")
with self.assertRaises(KeyError):
a = self.id["a"]["2"]["a"]
def test_invalid_type(self):
with self.assertRaises(TypeError):
self.id["a"] = self
class TestBufferProtocol(TestHelper, unittest.TestCase):
def test_int(self):
self.id["a"] = array("i", [1, 2, 3, 4, 5])
a = np.frombuffer(self.id["a"], self.id["a"].typecode)
self.assertEqual(len(a), 5)
a[2] = 10
self.assertEqual(self.id["a"].to_list(), [1, 2, 10, 4, 5])
def test_float(self):
self.id["a"] = array("f", [1.0, 2.0, 3.0, 4.0])
a = np.frombuffer(self.id["a"], self.id["a"].typecode)
self.assertEqual(len(a), 4)
a[-1] = 10
self.assertEqual(self.id["a"].to_list(), [1.0, 2.0, 3.0, 10.0])
def test_double(self):
self.id["a"] = array("d", [1.0, 2.0, 3.0, 4.0])
a = np.frombuffer(self.id["a"], self.id["a"].typecode)
a[1] = 10
self.assertEqual(self.id["a"].to_list(), [1.0, 10.0, 3.0, 4.0])
def test_full_update(self):
self.id["a"] = array("i", [1, 2, 3, 4, 5, 6])
a = np.frombuffer(self.id["a"], self.id["a"].typecode)
a[:] = [10, 20, 30, 40, 50, 60]
self.assertEqual(self.id["a"].to_list(), [10, 20, 30, 40, 50, 60])
def test_partial_update(self):
self.id["a"] = array("i", [1, 2, 3, 4, 5, 6, 7, 8])
a = np.frombuffer(self.id["a"], self.id["a"].typecode)
a[1:5] = [10, 20, 30, 40]
self.assertEqual(self.id["a"].to_list(), [1, 10, 20, 30, 40, 6, 7, 8])
def test_copy(self):
self.id["a"] = array("i", [1, 2, 3, 4, 5])
self.id["b"] = self.id["a"]
self.assertEqual(self.id["a"].to_list(), self.id["b"].to_list())
def test_memview_attributes(self):
mylist = [1, 2, 3]
self.id["a"] = mylist
view1 = memoryview(self.id["a"])
view2 = memoryview(array("i", mylist))
self.assertEqualMemviews(view1, view2)
def assertEqualMemviews(self, view1, view2):
props_to_compare = (
"contiguous", "format", "itemsize", "nbytes", "ndim",
"readonly", "shape", "strides", "suboffsets"
)
for attr in props_to_compare:
self.assertEqual(getattr(view1, attr), getattr(view2, attr))
self.assertEqual(list(view1), list(view2))
self.assertEqual(view1.tobytes(), view2.tobytes())
if __name__ == '__main__':
import sys
sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else [])
unittest.main()
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