def test_with_string2(self):
"""
Save to a file and then restore several times
to test the effectiveness of GTC's uid system.
"""
context._context = Context()
x = ureal(1,1,3,label='x')
y = ureal(2,1,4,label='y')
z = result( x + y )
ar = persistence.Archive()
# Saving only `z` means that when the archive
# is restored `x` and `y` are not recreated as UNs.
# However, Leaf nodes are created. We need to make sure
# that only one Leaf node gets created.
ar.add(z=z)
s = persistence.dumps_json(ar)
context._context = Context()
ar1 = persistence.loads_json(s)
z1 = ar1.extract('z')
# The attempt to create a new uncertain number
# is allowed but a new node is not created
ar2 = persistence.loads_json(s)
z2 = ar2.extract('z')
self.assertTrue(z2.is_intermediate)
self.assertTrue( z2._node is z1._node)
def test_with_string5(self):
"""
Complex
"""
context._context = Context()
x = ucomplex(1,[10,2,2,10],5)
y = ucomplex(1-6j,[10,2,2,10],7)
z = result( log( x * y ) )
ar = persistence.Archive()
ar.add(x=x,y=y,z=z)
db = persistence.dumps_json(ar)
context._context = Context()
ar = persistence.loads_json(db)
x1, y1, z1 = ar.extract('x','y','z')
self.assertEqual( repr(x1), repr(x) )
self.assertEqual( repr(y1), repr(y) )
self.assertEqual( repr(z1), repr(z) )
def test_with_string4(self):
"""
Correlations with finite DoF
"""
context._context = Context()
x,y = multiple_ureal([1,2],[1,1],4)
r = 0.5
set_correlation(r,x,y)
z = result( x + y )
ar = persistence.Archive()
ar.add(x=x,y=y,z=z)
db = persistence.dumps_json(ar)
context._context = Context()
ar = persistence.loads_json(db)
x1, y1, z1 = ar.extract('x','y','z')
self.assertEqual( repr(x1), repr(x) )
self.assertEqual( repr(y1), repr(y) )
self.assertEqual( repr(z1), repr(z) )
self.assertEqual( get_correlation(x,y), r )
def test_with_string3(self):
"""
Dependent elementary UNs
"""
context._context = Context()
x = ureal(1,1,independent=False)
y = ureal(2,1,independent=False)
r = 0.5
set_correlation(r,x,y)
z = result( x + y )
ar = persistence.Archive()
ar.add(x=x,y=y,z=z)
db = persistence.dumps_json(ar)
context._context = Context()
ar = persistence.loads_json(db)
x1, y1, z1 = ar.extract('x','y','z')
self.assertEqual( repr(x1), repr(x) )
self.assertEqual( repr(y1), repr(y) )
self.assertEqual( repr(z1), repr(z) )
self.assertEqual( get_correlation(x,y), r )
def test_with_string1(self):
"""
Simple save with intermediate
"""
context._context = Context()
x = ureal(1,1)
y = ureal(2,1)
z = result( x + y )
ar = persistence.Archive()
ar.add(x=x,y=y,z=z)
db = persistence.dumps_json(ar)
context._context = Context()
ar = persistence.loads_json(db)
x1, y1, z1 = ar.extract('x','y','z')
self.assertEqual( repr(x1), repr(x) )
self.assertEqual( repr(y1), repr(y) )
self.assertEqual( repr(z1), repr(z) )