class TestNestedAssemblies(unittest.TestCase):
"""
Create an assembly within an assembly, with an object, and check that
all transformation activities are handled correctly.
"""
flat_only = True
def setUp(self):
self.eighth_circle_trans = generate_transform(N.r_[1., 0, 0], N.pi/4,
N.c_[[0., 1, 0]])
self.surf = Surface(flat_surface.FlatGeometryManager(), \
optics_callables.perfect_mirror)
self.obj = AssembledObject(surfs=[self.surf])
self.sub_assembly = Assembly()
self.sub_assembly.add_object(self.obj, self.eighth_circle_trans)
self.assembly = Assembly()
self.assembly.add_assembly(self.sub_assembly, self.eighth_circle_trans)
def test_initial_transforms(self):
"""Initial consrtruction yielded correct permanent and temporary transforms"""
quarter_circle_trans = N.dot(self.eighth_circle_trans, self.eighth_circle_trans)
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame, quarter_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_object(self):
"""Changing an object's transform yield's correct resaults after retransform"""
self.obj.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
N.eye(4))
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_subassembly(self):
"""Changing an assembly's transform yield's correct resaults after retransform"""
self.sub_assembly.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
N.eye(4))
def test_interface(self):
"""Can call getters on an assembly etc."""
subs = self.assembly.get_assemblies()
self.assertEqual(len(subs), 1)
self.assertTrue(subs[0] is self.sub_assembly)
class TestNestedAssemblies(unittest.TestCase):
"""
Create an assembly within an assembly, with an object, and check that
all transformation activities are handled correctly.
"""
flat_only = True
def setUp(self):
self.eighth_circle_trans = generate_transform(N.r_[1., 0, 0], N.pi / 4,
N.c_[[0., 1, 0]])
self.surf = Surface(flat_surface.FlatGeometryManager(), \
optics_callables.perfect_mirror)
self.obj = AssembledObject(surfs=[self.surf])
self.sub_assembly = Assembly()
self.sub_assembly.add_object(self.obj, self.eighth_circle_trans)
self.assembly = Assembly()
self.assembly.add_assembly(self.sub_assembly, self.eighth_circle_trans)
def test_initial_transforms(self):
"""Initial consrtruction yielded correct permanent and temporary transforms"""
quarter_circle_trans = N.dot(self.eighth_circle_trans,
self.eighth_circle_trans)
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
quarter_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_object(self):
"""Changing an object's transform yield's correct resaults after retransform"""
self.obj.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(), N.eye(4))
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
self.eighth_circle_trans)
def test_retransform_subassembly(self):
"""Changing an assembly's transform yield's correct resaults after retransform"""
self.sub_assembly.set_transform(N.eye(4))
self.assembly.transform_children()
# Surface transforms:
N.testing.assert_array_almost_equal(self.surf._transform, N.eye(4))
N.testing.assert_array_almost_equal(self.surf._temp_frame,
self.eighth_circle_trans)
# Object transform:
N.testing.assert_array_almost_equal(self.obj.get_transform(),
self.eighth_circle_trans)
# Subassembly transform:
N.testing.assert_array_almost_equal(self.sub_assembly.get_transform(),
N.eye(4))
def test_interface(self):
"""Can call getters on an assembly etc."""
subs = self.assembly.get_assemblies()
self.assertEqual(len(subs), 1)
self.assertTrue(subs[0] is self.sub_assembly)
