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# Test slots
import unittest
from cgkit import _core
from cgkit.all import *
class TestSlot(unittest.TestCase):
def testConstructor(self):
# Standard constructor
asl = _core.DoubleSlot()
self.assertEqual(asl.getValue(), 0)
self.assertEqual(asl.getController(), None)
asl = _core.IntSlot()
self.assertEqual(asl.getValue(), 0)
asl = _core.Vec3Slot()
self.assertEqual(asl.getValue(), vec3(0))
asl = _core.StrSlot()
self.assertEqual(asl.getValue(), "")
# Constructor (initialvalue, flags)
asl = _core.DoubleSlot(12.7, 0)
self.assertEqual(asl.getValue(), 12.7)
self.assertEqual(asl.getController(), None)
asl = _core.IntSlot(5, 0)
self.assertEqual(asl.getValue(), 5)
asl = _core.Vec3Slot(vec3(1,2,3), 0)
self.assertEqual(asl.getValue(), vec3(1,2,3))
asl = _core.StrSlot("spam", 0)
self.assertEqual(asl.getValue(), "spam")
def testNoneConnection(self):
"""Check that connecting to None doesn't crash."""
asl = DoubleSlot()
asl.connect(None)
def testNoneDisconnection(self):
"""Check that disconnecting from None doesn't crash."""
asl = DoubleSlot()
asl.disconnect(None)
def testDisconnect(self):
"""Test the disconnect method."""
ctrl = DoubleSlot(12)
asl = DoubleSlot(5)
# Check that disconnecing a non-existent connection raises an error
self.assertRaises(ValueError, ctrl.disconnect, asl)
# Connect and disconnect and check that the controller doesn't
# influence asl anymore
ctrl.connect(asl)
self.assertEqual(asl.getValue(), 12.0)
ctrl.disconnect(asl)
ctrl.setValue(4)
self.assertEqual(ctrl.getValue(), 4.0)
self.assertEqual(asl.getValue(), 12.0)
##class TestArraySlot(unittest.TestCase):
## def testConstructor(self):
## # Standard constructor (check if items are 0)
## asl = _core.IntArraySlot()
## asl.resize(100)
## self.assertEqual(list(as), 100*[0])
## asl = _core.DoubleArraySlot()
## asl.resize(100)
## self.assertEqual(list(as), 100*[0.0])
class TestProceduralSlot(unittest.TestCase):
def doubleProcedure(self):
"""Dummy procedure to compute a slot value."""
return 42.0
def testGetValue(self):
"""Check that the procedural value is actually obtained."""
ps = ProceduralDoubleSlot(self.doubleProcedure)
self.assertEqual(ps.getValue(), 42.0)
def testSetValue(self):
"""Check that setting a value has no effect."""
ps = ProceduralDoubleSlot(self.doubleProcedure)
ps.setValue(15.5)
self.assertEqual(ps.getValue(), 42.0)
def testInConnection(self):
"""Check that a procedural slot cannot take controllers."""
ctrl = DoubleSlot(15.0)
ps = ProceduralDoubleSlot(self.doubleProcedure)
# The following should not throw an exception
ps.setController(None)
# ctrl.connect(None)
class TestTransformSlots(unittest.TestCase):
def testConstructor(self):
w = WorldObject()
self.assertEqual(w.transform, mat4(1))
self.assertEqual(w.pos, vec3(0))
self.assertEqual(w.rot, mat3(1))
self.assertEqual(w.scale, vec3(1))
def testSetValueWithConnections(self):
"""Check setValue() in the presence of connections."""
# Create an expression (which has a *fixed* output)
e = Expression("(1,2,3)")
w = WorldObject()
w.pos = vec3(-1,5,0.5)
self.assertEqual(w.pos, vec3(-1,5,0.5))
self.assertEqual(w.transform, mat4(1).translation(vec3(-1,5,0.5)))
# Connect the pos slot -> the new position must show up
e.output_slot.connect(w.pos_slot)
self.assertEqual(w.pos, vec3(1,2,3))
self.assertEqual(w.transform, mat4(1).translation(vec3(1,2,3)))
# Set a new pos -> should have no effect as the output slot of the
# expression cannot be changed
w.pos = vec3(0,0.2,0.5)
self.assertEqual(w.pos, vec3(1,2,3))
self.assertEqual(w.transform, mat4(1).translation(vec3(1,2,3)))
# Set a new position via the transform slot -> should also have no
# effect on the position
w.transform = mat4([2,0,0,-1, 0,2,0,0.2, 0,0,2,1.7, 0,0,0,1])
self.assertEqual(w.pos, vec3(1,2,3))
self.assertEqual(w.transform, mat4([2,0,0,1, 0,2,0,2, 0,0,2,3, 0,0,0,1]))
######################################################################
if __name__=="__main__":
unittest.main()
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