Needed to actually `return`

abp/graphstate.py

@@ -122,7 +122,6 @@ class GraphState(object):
         old_basis = basis
         ha = clifford.conjugation_table[self.node[node]["vop"]]
         basis, phase = clifford.conjugate(basis, ha)
-        print basis, phase
         assert phase in (-1, 1) # TODO: remove
 
         # TODO: wtf
@@ -177,8 +176,8 @@ class GraphState(object):
 
         for n in a - {friend}:
             self.toggle_edge(friend, n)
-
-
+        
+        return result
 
 
 

tests/test_measurement.py

@@ -1,22 +1,16 @@
 from abp import GraphState
 from anders_briegel import graphsim
 
-def test_z_measurement():
+def test_measurements():
     g = GraphState([0])
-    assert g.measure_z(0, 0) == 0
-    assert g.measure_z(0, 1) == 1
-
-def test_y_measurement():
-    g = GraphState([0])
-    assert g.measure_y(0, 0) == 0
-    assert g.measure_y(0, 1) == 1
-
+    print g
+    assert all(g.measure(0, "pz") == 0 for i in range(100)), "Measuring |0> in Z gives 0"
 
 
-#def test_z_measurement_against_ab():
-    #for i in range(10):
-        #a = graphsim.GraphRegister(1)
-        #b = GraphState()
-        #b.add_node(0)
+def test_z_measurement_against_ab():
+    for i in range(10):
+        a = graphsim.GraphRegister(1)
+        b = GraphState()
+        b.add_node(0)
         #print a.measure(0, graphsim.lco_Z) 
         #print b.measure(0, "pz")