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Constraints: added unit test for Child Of with bone target 

No functional changes.
This commit is contained in:
Sybren A. Stüvel 2020-02-25 14:28:33 +01:00
parent 2ffd530217
commit 9cdf01085f
1 changed files with 54 additions and 29 deletions
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83
tests/python/bl_constraints.py
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@ -34,16 +34,17 @@ class AbstractConstraintTests(unittest.TestCase):
def setUp(self):
bpy.ops.wm.open_mainfile(filepath=str(args.testdir / "constraints.blend"))
def assert_matrix(self, actual, expect, places=6, delta=None):
def assert_matrix(self, actual_matrix, expect_matrix, object_name: str, places=6, delta=None):
"""Asserts that the matrices almost equal."""
self.assertEqual(len(actual), 4, 'Expected a 4x4 matrix')
self.assertEqual(len(actual_matrix), 4, 'Expected a 4x4 matrix')
# TODO(Sybren): decompose the matrices and compare loc, rot, and scale separately.
# That'll probably improve readability & understandability of test failures.
for row, (act_row, exp_row) in enumerate(zip(actual, expect)):
for col, (act, exp) in enumerate(zip(act_row, exp_row)):
self.assertAlmostEqual(act, exp, places=places, delta=delta,
msg=f'{act} != {exp} at element [{row}][{col}]')
for row, (act_row, exp_row) in enumerate(zip(actual_matrix, expect_matrix)):
for col, (actual, expect) in enumerate(zip(act_row, exp_row)):
self.assertAlmostEqual(
actual, expect, places=places, delta=delta,
msg=f'Matrix of object {object_name!r} failed: {actual} != {expect} at element [{row}][{col}]')
def matrix(self, object_name: str) -> Matrix:
"""Return the evaluated world matrix."""
@ -56,35 +57,38 @@ class AbstractConstraintTests(unittest.TestCase):
def matrix_test(self, object_name: str, expect: Matrix):
"""Assert that the object's world matrix is as expected."""
actual = self.matrix(object_name)
self.assert_matrix(actual, expect)
self.assert_matrix(actual, expect, object_name)
def constraint_context(self, constraint_name: str) -> dict:
def constraint_context(self, constraint_name: str, owner_name: str='') -> dict:
"""Return a context suitable for calling constraint operators.
Assumes the owner is called "{constraint_name}.owner".
Assumes the owner is called "{constraint_name}.owner" if owner_name=''.
"""
owner = bpy.context.scene.objects['Child Of.owner']
owner = bpy.context.scene.objects[owner_name or f'{constraint_name}.owner']
constraint = owner.constraints[constraint_name]
context = {
**bpy.context.copy(),
'object': owner,
'active_object': owner,
'constraint': constraint,
}
return context
class ChildOfTest(AbstractConstraintTests):
def test_childof_simple_parent(self):
"""Child Of: simple evaluation."""
def test_object_simple_parent(self):
"""Child Of: simple evaluation of object parent."""
initial_matrix = Matrix((
(0.5872668623924255, -0.3642929494380951, 0.29567837715148926, 1.0886117219924927),
(0.31689348816871643, 0.7095895409584045, 0.05480116978287697, 2.178966999053955),
(-0.21244174242019653, 0.06738340109586716, 0.8475662469863892, 3.2520291805267334),
(0.0, 0.0, 0.0, 1.0),
))
self.matrix_test('Child Of.owner', initial_matrix)
self.matrix_test('Child Of.object.owner', initial_matrix)
context = self.constraint_context('Child Of')
context = self.constraint_context('Child Of', owner_name='Child Of.object.owner')
bpy.ops.constraint.childof_set_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.owner', Matrix((
self.matrix_test('Child Of.object.owner', Matrix((
(0.9992385506629944, 0.019844001159071922, -0.03359175845980644, 0.10000011324882507),
(-0.01744179055094719, 0.997369647026062, 0.07035345584154129, 0.1999998837709427),
(0.034899525344371796, -0.06971397250890732, 0.9969563484191895, 0.3000001311302185),
@ -92,11 +96,11 @@ class ChildOfTest(AbstractConstraintTests):
)))
bpy.ops.constraint.childof_clear_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.owner', initial_matrix)
self.matrix_test('Child Of.object.owner', initial_matrix)
def test_childof_rotation_only(self):
def test_object_rotation_only(self):
"""Child Of: rotation only."""
owner = bpy.context.scene.objects['Child Of.owner']
owner = bpy.context.scene.objects['Child Of.object.owner']
constraint = owner.constraints['Child Of']
constraint.use_location_x = constraint.use_location_y = constraint.use_location_z = False
constraint.use_scale_x = constraint.use_scale_y = constraint.use_scale_z = False
@ -107,11 +111,11 @@ class ChildOfTest(AbstractConstraintTests):
(-0.31230923533439636, 0.09144517779350281, 0.9455690383911133, 0.30000001192092896),
(0.0, 0.0, 0.0, 1.0),
))
self.matrix_test('Child Of.owner', initial_matrix)
self.matrix_test('Child Of.object.owner', initial_matrix)
context = self.constraint_context('Child Of')
context = self.constraint_context('Child Of', owner_name='Child Of.object.owner')
bpy.ops.constraint.childof_set_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.owner', Matrix((
self.matrix_test('Child Of.object.owner', Matrix((
(0.9992386102676392, 0.019843975082039833, -0.033591702580451965, 0.10000000149011612),
(-0.017441781237721443, 0.9973695874214172, 0.0703534483909607, 0.20000000298023224),
(0.03489946573972702, -0.06971397250890732, 0.9969563484191895, 0.30000001192092896),
@ -119,12 +123,11 @@ class ChildOfTest(AbstractConstraintTests):
)))
bpy.ops.constraint.childof_clear_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.owner', initial_matrix)
self.matrix_test('Child Of.object.owner', initial_matrix)
def test_childof_no_x_axis(self):
def test_object_no_x_axis(self):
"""Child Of: loc/rot/scale on only Y and Z axes."""
owner = bpy.context.scene.objects['Child Of.owner']
owner = bpy.context.scene.objects['Child Of.object.owner']
constraint = owner.constraints['Child Of']
constraint.use_location_x = False
constraint.use_rotation_x = False
@ -136,11 +139,11 @@ class ChildOfTest(AbstractConstraintTests):
(-0.31224438548088074, -0.06574578583240509, 0.8546382784843445, 3.219514846801758),
(0.0, 0.0, 0.0, 1.0),
))
self.matrix_test('Child Of.owner', initial_matrix)
self.matrix_test('Child Of.object.owner', initial_matrix)
context = self.constraint_context('Child Of')
context = self.constraint_context('Child Of', owner_name='Child Of.object.owner')
bpy.ops.constraint.childof_set_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.owner', Matrix((
self.matrix_test('Child Of.object.owner', Matrix((
(0.9228900671005249, 0.23250490427017212, -0.035540513694286346, 0.10000000149011612),
(-0.011224273592233658, 0.9838480949401855, 0.24731633067131042, 0.21246682107448578),
(0.0383986234664917, -0.3163823187351227, 0.9553266167640686, 0.27248233556747437),
@ -148,8 +151,30 @@ class ChildOfTest(AbstractConstraintTests):
)))
bpy.ops.constraint.childof_clear_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.owner', initial_matrix)
self.matrix_test('Child Of.object.owner', initial_matrix)
def test_bone_simple_parent(self):
"""Child Of: simple evaluation of bone parent."""
initial_matrix = Matrix((
(0.5133683681488037, -0.06418320536613464, -0.014910104684531689, -0.2277737855911255),
(-0.03355155512690544, 0.12542974948883057, -1.080492377281189, 2.082599639892578),
(0.019313642755150795, 1.0446348190307617, 0.1244703009724617, 2.8542778491973877),
(0.0, 0.0, 0.0, 1.0),
))
self.matrix_test('Child Of.armature.owner', initial_matrix)
context = self.constraint_context('Child Of', owner_name='Child Of.armature.owner')
bpy.ops.constraint.childof_set_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.armature.owner', Matrix((
(0.9992386102676392, 0.019843988120555878, -0.03359176218509674, 0.8358089923858643),
(-0.017441775649785995, 0.997369647026062, 0.0703534483909607, 1.7178752422332764),
(0.03489949554204941, -0.06971397995948792, 0.9969563484191895, -1.8132872581481934),
(0.0, 0.0, 0.0, 1.0),
)))
bpy.ops.constraint.childof_clear_inverse(context, constraint='Child Of')
self.matrix_test('Child Of.armature.owner', initial_matrix)
def main():
global args