<s> from __future__ import division <EOL> import pytest <EOL> import os <EOL> from collections import Counter <EOL> from bayesian . bbn import * <EOL> from bayesian . utils import make_key <EOL> def r3 ( x ) : <EOL> return round ( x , <NUM_LIT:3> ) <EOL> def r5 ( x ) : <EOL> return round ( x , <NUM_LIT:5> ) <EOL> def pytest_funcarg__sprinkler_graph ( request ) : <EOL> '''<STR_LIT>''' <EOL> cloudy = Node ( '<STR_LIT>' ) <EOL> sprinkler = Node ( '<STR_LIT>' ) <EOL> rain = Node ( '<STR_LIT>' ) <EOL> wet_grass = Node ( '<STR_LIT>' ) <EOL> cloudy . children = [ sprinkler , rain ] <EOL> sprinkler . parents = [ cloudy ] <EOL> sprinkler . children = [ wet_grass ] <EOL> rain . parents = [ cloudy ] <EOL> rain . children = [ wet_grass ] <EOL> wet_grass . parents = [ <EOL> sprinkler , <EOL> rain ] <EOL> bbn = BBN ( <EOL> dict ( <EOL> cloudy = cloudy , <EOL> sprinkler = sprinkler , <EOL> rain = rain , <EOL> wet_grass = wet_grass ) <EOL> ) <EOL> return bbn <EOL> def pytest_funcarg__sprinkler_bbn ( request ) : <EOL> '''<STR_LIT>''' <EOL> def f_rain ( rain ) : <EOL> if rain is True : <EOL> return <NUM_LIT> <EOL> return <NUM_LIT> <EOL> def f_sprinkler ( rain , sprinkler ) : <EOL> if rain is False and sprinkler is True : <EOL> return <NUM_LIT> <EOL> if rain is False and sprinkler is False : <EOL> return <NUM_LIT> <EOL> if rain is True and sprinkler is True : <EOL> return <NUM_LIT> <EOL> if rain is True and sprinkler is False : <EOL> return <NUM_LIT> <EOL> def f_grass_wet ( sprinkler , rain , grass_wet ) : <EOL> table = dict ( ) <EOL> table [ '<STR_LIT>' ] = <NUM_LIT:0.0> <EOL> table [ '<STR_LIT>' ] = <NUM_LIT:1.0> <EOL> table [ '<STR_LIT>' ] = <NUM_LIT> <EOL> table [ '<STR_LIT>' ] = <NUM_LIT> <EOL> table [ '<STR_LIT>' ] = <NUM_LIT> <EOL> table [ '<STR_LIT>' ] = <NUM_LIT:0.1> <EOL> table [ '<STR_LIT>' ] = <NUM_LIT> <EOL> table [ '<STR_LIT>' ] = <NUM_LIT> <EOL> return table [ make_key ( sprinkler , rain , grass_wet ) ] <EOL> return build_bbn ( f_rain , f_sprinkler , f_grass_wet ) <EOL> def pytest_funcarg__huang_darwiche_nodes ( request ) : <EOL> '''<STR_LIT>''' <EOL> def f_a ( a ) : <EOL> return <NUM_LIT:1> / <NUM_LIT:2> <EOL> def f_b ( a , b ) : <EOL> tt = dict ( <EOL> tt = <NUM_LIT:0.5> , <EOL> ft = <NUM_LIT> , <EOL> tf = <NUM_LIT:0.5> , <EOL> ff = <NUM_LIT> ) <EOL> return tt [ make_key ( a , b ) ] <EOL> def f_c ( a , c ) : <EOL> tt = dict ( <EOL> tt = <NUM_LIT> , <EOL> ft = <NUM_LIT> , <EOL> tf = <NUM_LIT> , <EOL> ff = <NUM_LIT> ) <EOL> return tt [ make_key ( a , c ) ] <EOL> def f_d ( b , d ) : <EOL> tt = dict ( <EOL> tt = <NUM_LIT> , <EOL> ft = <NUM_LIT:0.5> , <EOL> tf = <NUM_LIT:0.1> , <EOL> ff = <NUM_LIT:0.5> ) <EOL> return tt [ make_key ( b , d ) ] <EOL> def f_e ( c , e ) : <EOL> tt = dict ( <EOL> tt = <NUM_LIT> , <EOL> ft = <NUM_LIT> , <EOL> tf = <NUM_LIT> , <EOL> ff = <NUM_LIT> ) <EOL> return tt [ make_key ( c , e ) ] <EOL> def f_f ( d , e , f ) : <EOL> tt = dict ( <EOL> ttt = <NUM_LIT> , <EOL> ttf = <NUM_LIT> , <EOL> tft = <NUM_LIT> , <EOL> tff = <NUM_LIT> , <EOL> ftt = <NUM_LIT> , <EOL> ftf = <NUM_LIT> , <EOL> fft = <NUM_LIT> , <EOL> fff = <NUM_LIT> ) <EOL> return tt [ make_key ( d , e , f ) ] <EOL> def f_g ( c , g ) : <EOL> tt = dict ( <EOL> tt = <NUM_LIT> , tf = <NUM_LIT> , <EOL> ft = <NUM_LIT:0.1> , ff = <NUM_LIT> ) <EOL> return tt [ make_key ( c , g ) ] <EOL> def f_h ( e , g , h ) : <EOL> tt = dict ( <EOL> ttt = <NUM_LIT> , ttf = <NUM_LIT> , <EOL> tft = <NUM_LIT> , tff = <NUM_LIT> , <EOL> ftt = <NUM_LIT> , ftf = <NUM_LIT> , <EOL> fft = <NUM_LIT> , fff = <NUM_LIT> ) <EOL> return tt [ make_key ( e , g , h ) ] <EOL> return [ f_a , f_b , f_c , f_d , <EOL> f_e , f_f , f_g , f_h ] <EOL> def pytest_funcarg__huang_darwiche_dag ( request ) : <EOL> nodes = pytest_funcarg__huang_darwiche_nodes ( request ) <EOL> return build_bbn ( nodes ) <EOL> def pytest_funcarg__huang_darwiche_moralized ( request ) : <EOL> dag = pytest_funcarg__huang_darwiche_dag ( request ) <EOL> gu = make_undirected_copy ( dag ) <EOL> gm = make_moralized_copy ( gu , dag ) <EOL> return gm <EOL> def pytest_funcarg__huang_darwiche_jt ( request ) : <EOL> def priority_func_override ( node ) : <EOL> introduced_arcs = <NUM_LIT:0> <EOL> cluster = [ node ] + node . neighbours <EOL> for node_a , node_b in combinations ( cluster , <NUM_LIT:2> ) : <EOL> if node_a not in node_b . neighbours : <EOL> assert node_b not in node_a . neighbours <EOL> introduced_arcs += <NUM_LIT:1> <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:0> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:1> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:2> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:3> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:4> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:5> ] <EOL> return [ introduced_arcs , <NUM_LIT:10> ] <EOL> dag = pytest_funcarg__huang_darwiche_dag ( request ) <EOL> jt = build_join_tree ( dag , priority_func_override ) <EOL> return jt <EOL> def pytest_funcarg__monty_bbn ( request ) : <EOL> def f_prize_door ( prize_door ) : <EOL> return <NUM_LIT:1.0> / <NUM_LIT:3> <EOL> def f_guest_door ( guest_door ) : <EOL> return <NUM_LIT:1.0> / <NUM_LIT:3> <EOL> def f_monty_door ( prize_door , guest_door , monty_door ) : <EOL> if prize_door == guest_door : <EOL> if prize_door == monty_door : <EOL> return <NUM_LIT:0> <EOL> else : <EOL> return <NUM_LIT:0.5> <EOL> elif prize_door == monty_door : <EOL> return <NUM_LIT:0> <EOL> elif guest_door == monty_door : <EOL> return <NUM_LIT:0> <EOL> return <NUM_LIT:1> <EOL> g = build_bbn ( <EOL> f_prize_door , <EOL> f_guest_door , <EOL> f_monty_door , <EOL> domains = dict ( <EOL> prize_door = [ '<STR_LIT:A>' , '<STR_LIT:B>' , '<STR_LIT:C>' ] , <EOL> guest_door = [ '<STR_LIT:A>' , '<STR_LIT:B>' , '<STR_LIT:C>' ] , <EOL> monty_door = [ '<STR_LIT:A>' , '<STR_LIT:B>' , '<STR_LIT:C>' ] ) ) <EOL> return g <EOL> class TestBBN ( ) : <EOL> def test_get_graphviz_source ( self , sprinkler_graph ) : <EOL> gv_src = '''<STR_LIT>''' <EOL> assert sprinkler_graph . get_graphviz_source ( ) == gv_src <EOL> def test_get_original_factors ( self , huang_darwiche_nodes ) : <EOL> original_factors = get_original_factors ( <EOL> huang_darwiche_nodes ) <EOL> assert original_factors [ '<STR_LIT:a>' ] == huang_darwiche_nodes [ <NUM_LIT:0> ] <EOL> assert original_factors [ '<STR_LIT:b>' ] == huang_darwiche_nodes [ <NUM_LIT:1> ] <EOL> assert original_factors [ '<STR_LIT:c>' ] == huang_darwiche_nodes [ <NUM_LIT:2> ] <EOL> assert original_factors [ '<STR_LIT:d>' ] == huang_darwiche_nodes [ <NUM_LIT:3> ] <EOL> assert original_factors [ '<STR_LIT:e>' ] == huang_darwiche_nodes [ <NUM_LIT:4> ] <EOL> assert original_factors [ '<STR_LIT:f>' ] == huang_darwiche_nodes [ <NUM_LIT:5> ] <EOL> assert original_factors [ '<STR_LIT:g>' ] == huang_darwiche_nodes [ <NUM_LIT:6> ] <EOL> assert original_factors [ '<STR_LIT:h>' ] == huang_darwiche_nodes [ <NUM_LIT:7> ] <EOL> def test_build_graph ( self , huang_darwiche_nodes ) : <EOL> bbn = build_bbn ( huang_darwiche_nodes ) <EOL> nodes = dict ( [ ( node . name , node ) for node in bbn . nodes ] ) <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ ] <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ nodes [ '<STR_LIT>' ] ] <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ nodes [ '<STR_LIT>' ] ] <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ nodes [ '<STR_LIT>' ] ] <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ nodes [ '<STR_LIT>' ] ] <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ nodes [ '<STR_LIT>' ] ] <EOL> assert nodes [ '<STR_LIT>' ] . parents == [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] <EOL> def test_make_undirecred_copy ( self , huang_darwiche_dag ) : <EOL> ug = make_undirected_copy ( huang_darwiche_dag ) <EOL> nodes = dict ( [ ( node . name , node ) for node in ug . nodes ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> def test_make_moralized_copy ( self , huang_darwiche_dag ) : <EOL> gu = make_undirected_copy ( huang_darwiche_dag ) <EOL> gm = make_moralized_copy ( gu , huang_darwiche_dag ) <EOL> nodes = dict ( [ ( node . name , node ) for node in gm . nodes ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> def test_construct_priority_queue ( self , huang_darwiche_moralized ) : <EOL> nodes = dict ( <EOL> [ ( node . name , node ) for node in <EOL> huang_darwiche_moralized . nodes ] ) <EOL> pq = construct_priority_queue ( nodes , priority_func ) <EOL> assert pq == [ [ <NUM_LIT:0> , <NUM_LIT:2> , '<STR_LIT>' ] , [ <NUM_LIT:0> , <NUM_LIT:2> , '<STR_LIT>' ] , <EOL> [ <NUM_LIT:1> , <NUM_LIT:2> , '<STR_LIT>' ] , [ <NUM_LIT:1> , <NUM_LIT:2> , '<STR_LIT>' ] , <EOL> [ <NUM_LIT:1> , <NUM_LIT:2> , '<STR_LIT>' ] , [ <NUM_LIT:2> , <NUM_LIT:2> , '<STR_LIT>' ] , <EOL> [ <NUM_LIT:2> , <NUM_LIT:2> , '<STR_LIT>' ] , [ <NUM_LIT:7> , <NUM_LIT:2> , '<STR_LIT>' ] ] <EOL> def priority_func_override ( node ) : <EOL> introduced_arcs = <NUM_LIT:0> <EOL> cluster = [ node ] + node . neighbours <EOL> for node_a , node_b in combinations ( cluster , <NUM_LIT:2> ) : <EOL> if node_a not in node_b . neighbours : <EOL> assert node_b not in node_a . neighbours <EOL> introduced_arcs += <NUM_LIT:1> <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:0> ] <EOL> return [ introduced_arcs , <NUM_LIT:2> ] <EOL> pq = construct_priority_queue ( <EOL> nodes , <EOL> priority_func_override ) <EOL> assert pq [ <NUM_LIT:0> ] == [ <NUM_LIT:0> , <NUM_LIT:0> , '<STR_LIT>' ] <EOL> def test_triangulate ( self , huang_darwiche_moralized ) : <EOL> def priority_func_override ( node ) : <EOL> introduced_arcs = <NUM_LIT:0> <EOL> cluster = [ node ] + node . neighbours <EOL> for node_a , node_b in combinations ( cluster , <NUM_LIT:2> ) : <EOL> if node_a not in node_b . neighbours : <EOL> assert node_b not in node_a . neighbours <EOL> introduced_arcs += <NUM_LIT:1> <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:0> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:1> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:2> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:3> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:4> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:5> ] <EOL> return [ introduced_arcs , <NUM_LIT:10> ] <EOL> cliques , elimination_ordering = triangulate ( <EOL> huang_darwiche_moralized , priority_func_override ) <EOL> nodes = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_moralized . nodes ] ) <EOL> assert len ( cliques ) == <NUM_LIT:6> <EOL> assert cliques [ <NUM_LIT:0> ] . nodes == set ( <EOL> [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert cliques [ <NUM_LIT:1> ] . nodes == set ( <EOL> [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert cliques [ <NUM_LIT:2> ] . nodes == set ( <EOL> [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert cliques [ <NUM_LIT:3> ] . nodes == set ( <EOL> [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert cliques [ <NUM_LIT:4> ] . nodes == set ( <EOL> [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert cliques [ <NUM_LIT:5> ] . nodes == set ( <EOL> [ nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert elimination_ordering == [ <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' ] <EOL> nodes = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_moralized . nodes ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , <EOL> nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> def test_triangulate_no_tie_break ( self , huang_darwiche_moralized ) : <EOL> cliques , elimination_ordering = triangulate ( <EOL> huang_darwiche_moralized ) <EOL> nodes = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_moralized . nodes ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , <EOL> nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> assert set ( nodes [ '<STR_LIT>' ] . neighbours ) == set ( [ <EOL> nodes [ '<STR_LIT>' ] , nodes [ '<STR_LIT>' ] ] ) <EOL> def test_build_join_tree ( self , huang_darwiche_dag ) : <EOL> def priority_func_override ( node ) : <EOL> introduced_arcs = <NUM_LIT:0> <EOL> cluster = [ node ] + node . neighbours <EOL> for node_a , node_b in combinations ( cluster , <NUM_LIT:2> ) : <EOL> if node_a not in node_b . neighbours : <EOL> assert node_b not in node_a . neighbours <EOL> introduced_arcs += <NUM_LIT:1> <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:0> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:1> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:2> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:3> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:4> ] <EOL> if node . name == '<STR_LIT>' : <EOL> return [ introduced_arcs , <NUM_LIT:5> ] <EOL> return [ introduced_arcs , <NUM_LIT:10> ] <EOL> jt = build_join_tree ( huang_darwiche_dag , priority_func_override ) <EOL> for node in jt . sepset_nodes : <EOL> assert set ( [ n . clique for n in node . neighbours ] ) == set ( [ node . sepset . X , node . sepset . Y ] ) <EOL> def test_initialize_potentials ( <EOL> self , huang_darwiche_jt , huang_darwiche_dag ) : <EOL> cliques = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_jt . clique_nodes ] ) <EOL> bbn_nodes = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_dag . nodes ] ) <EOL> assignments = { <EOL> cliques [ '<STR_LIT>' ] : [ bbn_nodes [ '<STR_LIT>' ] , bbn_nodes [ '<STR_LIT>' ] ] , <EOL> cliques [ '<STR_LIT>' ] : [ <EOL> bbn_nodes [ '<STR_LIT>' ] , bbn_nodes [ '<STR_LIT>' ] , bbn_nodes [ '<STR_LIT>' ] ] } <EOL> huang_darwiche_jt . initialize_potentials ( <EOL> assignments , huang_darwiche_dag ) <EOL> for node in huang_darwiche_jt . sepset_nodes : <EOL> for v in node . potential_tt . values ( ) : <EOL> assert v == <NUM_LIT:1> <EOL> def r ( x ) : <EOL> return round ( x , <NUM_LIT:3> ) <EOL> tt = cliques [ '<STR_LIT>' ] . potential_tt <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:c>' , True ) , ( '<STR_LIT:e>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:c>' , True ) , ( '<STR_LIT:e>' , False ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:c>' , False ) , ( '<STR_LIT:e>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:c>' , False ) , ( '<STR_LIT:e>' , False ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:c>' , True ) , ( '<STR_LIT:e>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:c>' , True ) , ( '<STR_LIT:e>' , False ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:c>' , False ) , ( '<STR_LIT:e>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:c>' , False ) , ( '<STR_LIT:e>' , False ) ] ) == <NUM_LIT> <EOL> tt = cliques [ '<STR_LIT>' ] . potential_tt <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:b>' , True ) , ( '<STR_LIT:d>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:b>' , True ) , ( '<STR_LIT:d>' , False ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:b>' , False ) , ( '<STR_LIT:d>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , True ) , ( '<STR_LIT:b>' , False ) , ( '<STR_LIT:d>' , False ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:b>' , True ) , ( '<STR_LIT:d>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:b>' , True ) , ( '<STR_LIT:d>' , False ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:b>' , False ) , ( '<STR_LIT:d>' , True ) ] ) == <NUM_LIT> <EOL> assert r ( tt [ ( '<STR_LIT:a>' , False ) , ( '<STR_LIT:b>' , False ) , ( '<STR_LIT:d>' , False ) ] ) == <NUM_LIT> <EOL> def test_jtclique_node_variable_names ( self , huang_darwiche_jt ) : <EOL> for node in huang_darwiche_jt . clique_nodes : <EOL> if '<STR_LIT>' in node . name : <EOL> assert set ( node . variable_names ) == set ( [ '<STR_LIT:a>' , '<STR_LIT:d>' , '<STR_LIT:e>' ] ) <EOL> def test_assign_clusters ( self , huang_darwiche_jt , huang_darwiche_dag ) : <EOL> bbn_nodes = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_dag . nodes ] ) <EOL> assignments = huang_darwiche_jt . assign_clusters ( huang_darwiche_dag ) <EOL> jt_cliques = dict ( [ ( node . name , node ) for node <EOL> in huang_darwiche_jt . clique_nodes ] ) <EOL> assert [ ] == assignments [ jt_cliques [ '<STR_LIT>' ] ] <EOL> assert [ bbn_nodes [ '<STR_LIT>' ] ] == assignments [ jt_cliques [ '<STR_LIT>' ] ] <EOL> assert [ bbn_nodes [ '<STR_LIT>' ] ] == assignments [ jt_cliques [ '<STR_LIT>' ] ] <EOL> assert [ bbn_nodes [ '<STR_LIT>' ] , bbn_nodes [ '<STR_LIT>' ] ] == assignments [ jt_cliques [ '<STR_LIT>' ] ] <EOL> assert [ bbn_nodes [ '<STR_LIT>' ] , bbn_nodes [ '<STR_LIT>' ] ] == assignments [ jt_cliques [ '<STR_LIT>' ] ] <EOL> assert [ bbn_nodes [ '<STR_LIT>' ] , bbn_nodes [ '<STR_LIT>' ] ] == assignments [ jt_cliques [ '<STR_LIT>' ] ] <EOL> assert set ( <EOL> [ node for assignment in <EOL> assignments . values ( ) for node in assignment ] ) == set ( <EOL> [ node for node in huang_darwiche_dag . nodes ] ) <EOL> def test_propagate ( self , huang_darwiche_jt , huang_darwiche_dag ) : <EOL> jt_cliques = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_jt . clique_nodes ] ) <EOL> assignments = huang_darwiche_jt . assign_clusters ( huang_darwiche_dag ) <EOL> huang_darwiche_jt . initialize_potentials ( <EOL> assignments , huang_darwiche_dag ) <EOL> huang_darwiche_jt . propagate ( starting_clique = jt_cliques [ '<STR_LIT>' ] ) <EOL> tt = jt_cliques [ '<STR_LIT>' ] . potential_tt <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , False ) , ( '<STR_LIT:e>' , True ) , ( '<STR_LIT:f>' , True ) ) ] ) == <NUM_LIT> <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , True ) , ( '<STR_LIT:e>' , False ) , ( '<STR_LIT:f>' , True ) ) ] ) == <NUM_LIT> <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , False ) , ( '<STR_LIT:e>' , False ) , ( '<STR_LIT:f>' , True ) ) ] ) == <NUM_LIT> <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , True ) , ( '<STR_LIT:e>' , True ) , ( '<STR_LIT:f>' , True ) ) ] ) == <NUM_LIT> <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , False ) , ( '<STR_LIT:e>' , False ) , ( '<STR_LIT:f>' , False ) ) ] ) == <NUM_LIT> <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , True ) , ( '<STR_LIT:e>' , True ) , ( '<STR_LIT:f>' , False ) ) ] ) == <NUM_LIT> <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , False ) , ( '<STR_LIT:e>' , True ) , ( '<STR_LIT:f>' , False ) ) ] ) == <NUM_LIT> <EOL> assert r5 ( tt [ ( ( '<STR_LIT:d>' , True ) , ( '<STR_LIT:e>' , False ) , ( '<STR_LIT:f>' , False ) ) ] ) == <NUM_LIT> <EOL> def test_marginal ( self , huang_darwiche_jt , huang_darwiche_dag ) : <EOL> bbn_nodes = dict ( [ ( node . name , node ) for node in <EOL> huang_darwiche_dag . nodes ] ) <EOL> assignments = huang_darwiche_jt . assign_clusters ( huang_darwiche_dag ) <EOL> huang_darwiche_jt . initialize_potentials ( <EOL> assignments , huang_darwiche_dag ) <EOL> huang_darwiche_jt . propagate ( ) <EOL> p_A = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_A [ ( ( '<STR_LIT:a>' , True ) , ) ] ) == <NUM_LIT:0.5> <EOL> assert r3 ( p_A [ ( ( '<STR_LIT:a>' , False ) , ) ] ) == <NUM_LIT:0.5> <EOL> p_D = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_D [ ( ( '<STR_LIT:d>' , True ) , ) ] ) == <NUM_LIT> <EOL> assert r3 ( p_D [ ( ( '<STR_LIT:d>' , False ) , ) ] ) == <NUM_LIT> <EOL> '''<STR_LIT>''' <EOL> p_B = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_B [ ( ( '<STR_LIT:b>' , True ) , ) ] ) == <NUM_LIT> <EOL> assert r3 ( p_B [ ( ( '<STR_LIT:b>' , False ) , ) ] ) == <NUM_LIT> <EOL> p_C = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_C [ ( ( '<STR_LIT:c>' , True ) , ) ] ) == <NUM_LIT> <EOL> assert r3 ( p_C [ ( ( '<STR_LIT:c>' , False ) , ) ] ) == <NUM_LIT> <EOL> p_E = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_E [ ( ( '<STR_LIT:e>' , True ) , ) ] ) == <NUM_LIT> <EOL> assert r3 ( p_E [ ( ( '<STR_LIT:e>' , False ) , ) ] ) == <NUM_LIT> <EOL> p_F = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_F [ ( ( '<STR_LIT:f>' , True ) , ) ] ) == <NUM_LIT> <EOL> assert r3 ( p_F [ ( ( '<STR_LIT:f>' , False ) , ) ] ) == <NUM_LIT> <EOL> p_G = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_G [ ( ( '<STR_LIT:g>' , True ) , ) ] ) == <NUM_LIT> <EOL> assert r3 ( p_G [ ( ( '<STR_LIT:g>' , False ) , ) ] ) == <NUM_LIT> <EOL> p_H = huang_darwiche_jt . marginal ( bbn_nodes [ '<STR_LIT>' ] ) <EOL> assert r3 ( p_H [ ( ( '<STR_LIT:h>' , True ) , ) ] ) == <NUM_LIT> <EOL> assert r3 ( p_H [ ( ( '<STR_LIT:h>' , False ) , ) ] ) == <NUM_LIT> <EOL> def test_make_node_func ( ) : <EOL> UPDATE = { <EOL> "<STR_LIT>" : [ <EOL> [ [ ] , { "<STR_LIT:A>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:B>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:C>" : <NUM_LIT:1> / <NUM_LIT:3> } ] ] , <EOL> "<STR_LIT>" : [ <EOL> [ [ ] , { "<STR_LIT:A>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:B>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:C>" : <NUM_LIT:1> / <NUM_LIT:3> } ] ] , <EOL> "<STR_LIT>" : [ <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:A>" ] , [ "<STR_LIT>" , "<STR_LIT:A>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:0> , "<STR_LIT:B>" : <NUM_LIT:0.5> , "<STR_LIT:C>" : <NUM_LIT:0.5> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:A>" ] , [ "<STR_LIT>" , "<STR_LIT:B>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:0> , "<STR_LIT:B>" : <NUM_LIT:0> , "<STR_LIT:C>" : <NUM_LIT:1> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:A>" ] , [ "<STR_LIT>" , "<STR_LIT:C>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:0> , "<STR_LIT:B>" : <NUM_LIT:1> , "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:B>" ] , [ "<STR_LIT>" , "<STR_LIT:A>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:0> , "<STR_LIT:B>" : <NUM_LIT:0> , "<STR_LIT:C>" : <NUM_LIT:1> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:B>" ] , [ "<STR_LIT>" , "<STR_LIT:B>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:0.5> , "<STR_LIT:B>" : <NUM_LIT:0> , "<STR_LIT:C>" : <NUM_LIT:0.5> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:B>" ] , [ "<STR_LIT>" , "<STR_LIT:C>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:1> , "<STR_LIT:B>" : <NUM_LIT:0> , "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:C>" ] , [ "<STR_LIT>" , "<STR_LIT:A>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:0> , "<STR_LIT:B>" : <NUM_LIT:1> , "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:C>" ] , [ "<STR_LIT>" , "<STR_LIT:B>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:1> , "<STR_LIT:B>" : <NUM_LIT:0> , "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:C>" ] , [ "<STR_LIT>" , "<STR_LIT:C>" ] ] , { "<STR_LIT:A>" : <NUM_LIT:0.5> , "<STR_LIT:B>" : <NUM_LIT:0.5> , "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> ] <EOL> } <EOL> node_func = make_node_func ( "<STR_LIT>" , UPDATE [ "<STR_LIT>" ] ) <EOL> assert get_args ( node_func ) == [ '<STR_LIT>' ] <EOL> assert node_func ( '<STR_LIT:A>' ) == <NUM_LIT:1> / <NUM_LIT:3> <EOL> assert node_func ( '<STR_LIT:B>' ) == <NUM_LIT:1> / <NUM_LIT:3> <EOL> assert node_func ( '<STR_LIT:C>' ) == <NUM_LIT:1> / <NUM_LIT:3> <EOL> node_func = make_node_func ( "<STR_LIT>" , UPDATE [ "<STR_LIT>" ] ) <EOL> assert get_args ( node_func ) == [ '<STR_LIT>' ] <EOL> assert node_func ( '<STR_LIT:A>' ) == <NUM_LIT:1> / <NUM_LIT:3> <EOL> assert node_func ( '<STR_LIT:B>' ) == <NUM_LIT:1> / <NUM_LIT:3> <EOL> assert node_func ( '<STR_LIT:C>' ) == <NUM_LIT:1> / <NUM_LIT:3> <EOL> node_func = make_node_func ( "<STR_LIT>" , UPDATE [ "<STR_LIT>" ] ) <EOL> assert get_args ( node_func ) == [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' ] <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:A>' , '<STR_LIT:A>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:A>' , '<STR_LIT:B>' ) == <NUM_LIT:0.5> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:A>' , '<STR_LIT:C>' ) == <NUM_LIT:0.5> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:B>' , '<STR_LIT:A>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:B>' , '<STR_LIT:B>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:B>' , '<STR_LIT:C>' ) == <NUM_LIT:1> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:C>' , '<STR_LIT:A>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:C>' , '<STR_LIT:B>' ) == <NUM_LIT:1> <EOL> assert node_func ( '<STR_LIT:A>' , '<STR_LIT:C>' , '<STR_LIT:C>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:A>' , '<STR_LIT:A>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:A>' , '<STR_LIT:B>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:A>' , '<STR_LIT:C>' ) == <NUM_LIT:1> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:B>' , '<STR_LIT:A>' ) == <NUM_LIT:0.5> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:B>' , '<STR_LIT:B>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:B>' , '<STR_LIT:C>' ) == <NUM_LIT:0.5> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:C>' , '<STR_LIT:A>' ) == <NUM_LIT:1> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:C>' , '<STR_LIT:B>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:B>' , '<STR_LIT:C>' , '<STR_LIT:C>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:A>' , '<STR_LIT:A>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:A>' , '<STR_LIT:B>' ) == <NUM_LIT:1> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:A>' , '<STR_LIT:C>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:B>' , '<STR_LIT:A>' ) == <NUM_LIT:1> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:B>' , '<STR_LIT:B>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:B>' , '<STR_LIT:C>' ) == <NUM_LIT:0> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:C>' , '<STR_LIT:A>' ) == <NUM_LIT:0.5> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:C>' , '<STR_LIT:B>' ) == <NUM_LIT:0.5> <EOL> assert node_func ( '<STR_LIT:C>' , '<STR_LIT:C>' , '<STR_LIT:C>' ) == <NUM_LIT:0> <EOL> def close_enough ( x , y , r = <NUM_LIT:3> ) : <EOL> return round ( x , r ) == round ( y , r ) <EOL> def test_build_bbn_from_conditionals ( ) : <EOL> UPDATE = { <EOL> "<STR_LIT>" : [ <EOL> [ [ ] , { "<STR_LIT:A>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:B>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:C>" : <NUM_LIT:1> / <NUM_LIT:3> } ] ] , <EOL> "<STR_LIT>" : [ <EOL> [ [ ] , { "<STR_LIT:A>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:B>" : <NUM_LIT:1> / <NUM_LIT:3> , "<STR_LIT:C>" : <NUM_LIT:1> / <NUM_LIT:3> } ] ] , <EOL> "<STR_LIT>" : [ <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:A>" ] , [ "<STR_LIT>" , "<STR_LIT:A>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:0> , <EOL> "<STR_LIT:B>" : <NUM_LIT:0.5> , <EOL> "<STR_LIT:C>" : <NUM_LIT:0.5> <EOL> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:A>" ] , [ "<STR_LIT>" , "<STR_LIT:B>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:0> , <EOL> "<STR_LIT:B>" : <NUM_LIT:0> , <EOL> "<STR_LIT:C>" : <NUM_LIT:1> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:A>" ] , [ "<STR_LIT>" , "<STR_LIT:C>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:0> , <EOL> "<STR_LIT:B>" : <NUM_LIT:1> , <EOL> "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:B>" ] , [ "<STR_LIT>" , "<STR_LIT:A>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:0> , <EOL> "<STR_LIT:B>" : <NUM_LIT:0> , <EOL> "<STR_LIT:C>" : <NUM_LIT:1> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:B>" ] , [ "<STR_LIT>" , "<STR_LIT:B>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:0.5> , <EOL> "<STR_LIT:B>" : <NUM_LIT:0> , <EOL> "<STR_LIT:C>" : <NUM_LIT:0.5> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:B>" ] , [ "<STR_LIT>" , "<STR_LIT:C>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:1> , <EOL> "<STR_LIT:B>" : <NUM_LIT:0> , <EOL> "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:C>" ] , [ "<STR_LIT>" , "<STR_LIT:A>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:0> , <EOL> "<STR_LIT:B>" : <NUM_LIT:1> , <EOL> "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:C>" ] , [ "<STR_LIT>" , "<STR_LIT:B>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:1> , <EOL> "<STR_LIT:B>" : <NUM_LIT:0> , <EOL> "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> [ [ [ "<STR_LIT>" , "<STR_LIT:C>" ] , [ "<STR_LIT>" , "<STR_LIT:C>" ] ] , { <EOL> "<STR_LIT:A>" : <NUM_LIT:0.5> , <EOL> "<STR_LIT:B>" : <NUM_LIT:0.5> , <EOL> "<STR_LIT:C>" : <NUM_LIT:0> } ] , <EOL> ] <EOL> } <EOL> g = build_bbn_from_conditionals ( UPDATE ) <EOL> result = g . query ( ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:A>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:B>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:C>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:A>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:B>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:C>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:A>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:B>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:C>' ) ] , <NUM_LIT> ) <EOL> result = g . query ( guest_door = '<STR_LIT:A>' , monty_door = '<STR_LIT:B>' ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:A>' ) ] , <NUM_LIT:1> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:B>' ) ] , <NUM_LIT:0> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:C>' ) ] , <NUM_LIT:0> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:A>' ) ] , <NUM_LIT:0> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:B>' ) ] , <NUM_LIT:1> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:C>' ) ] , <NUM_LIT:0> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:A>' ) ] , <NUM_LIT> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:B>' ) ] , <NUM_LIT:0> ) <EOL> assert close_enough ( result [ ( '<STR_LIT>' , '<STR_LIT:C>' ) ] , <NUM_LIT> ) <EOL> def valid_sample ( samples , query_result ) : <EOL> '''<STR_LIT>''' <EOL> counts = Counter ( ) <EOL> for sample in samples : <EOL> for var , val in sample . items ( ) : <EOL> counts [ ( var , val ) ] += <NUM_LIT:1> <EOL> result = True <EOL> for k , v in counts . items ( ) : <EOL> counts [ k ] = v / len ( samples ) <EOL> difference = abs ( counts . get ( k , <NUM_LIT:0> ) - query_result [ k ] ) <EOL> if round ( difference , <NUM_LIT:2> ) > <NUM_LIT> : <EOL> result = False <EOL> return result <EOL> def test_draw_sample_monty ( monty_bbn ) : <EOL> '''<STR_LIT>''' <EOL> query_result = monty_bbn . query ( ) <EOL> samples = monty_bbn . draw_samples ( n = <NUM_LIT> ) <EOL> assert valid_sample ( samples , query_result ) <EOL> query = dict ( guest_door = '<STR_LIT:A>' ) <EOL> query_result = monty_bbn . query ( ** query ) <EOL> samples = monty_bbn . draw_samples ( query , n = <NUM_LIT> ) <EOL> assert valid_sample ( samples , query_result ) <EOL> query = dict ( guest_door = '<STR_LIT:A>' , monty_door = '<STR_LIT:B>' ) <EOL> query_result = monty_bbn . query ( ** query ) <EOL> samples = monty_bbn . draw_samples ( query , n = <NUM_LIT> ) <EOL> assert valid_sample ( samples , query_result ) <EOL> def test_draw_sample_sprinkler ( sprinkler_bbn ) : <EOL> query_result = sprinkler_bbn . query ( ) <EOL> samples = sprinkler_bbn . draw_samples ( { } , <NUM_LIT> ) <EOL> assert valid_sample ( samples , query_result ) </s>
