def setUp(self):
reader = XMLBIFReader(string=TEST_FILE)
self.expected_model = reader.get_model()
self.writer = XMLBIFWriter(self.expected_model)
self.model_stateless = BayesianModel([('D', 'G'), ('I', 'G'), ('G', 'L'), ('I', 'S')])
self.cpd_d = TabularCPD(variable='D', variable_card=2, values=[[0.6, 0.4]])
self.cpd_i = TabularCPD(variable='I', variable_card=2, values=[[0.7, 0.3]])
self.cpd_g = TabularCPD(variable='G', variable_card=3,
values=[[0.3, 0.05, 0.9, 0.5],
[0.4, 0.25, 0.08, 0.3],
[0.3, 0.7, 0.02, 0.2]],
evidence=['I', 'D'],
evidence_card=[2, 2])
self.cpd_l = TabularCPD(variable='L', variable_card=2,
values=[[0.1, 0.4, 0.99],
[0.9, 0.6, 0.01]],
evidence=['G'],
evidence_card=[3])
self.cpd_s = TabularCPD(variable='S', variable_card=2,
values=[[0.95, 0.2],
[0.05, 0.8]],
evidence=['I'],
evidence_card=[2])
self.model_stateless.add_cpds(self.cpd_d, self.cpd_i, self.cpd_g, self.cpd_l, self.cpd_s)
self.writer_stateless = XMLBIFWriter(self.model_stateless)
def test_write_xmlbif_statefull(self):
self.writer.write_xmlbif("dog_problem_output.xbif")
with open("dog_problem_output.xbif", "r") as f:
file_text = f.read()
reader = XMLBIFReader(string=file_text)
model = reader.get_model()
self.assert_models_equivelent(self.expected_model, model)
os.remove("dog_problem_output.xbif")
def loadXMLBIF(path):
reader = XMLBIFReader(path)
model = reader.get_model()
print("LOADMODEL: "+str(path))
"""
for cpd in model.get_cpds():
#if(cpd.variable == "SENSOR1"):
print("CPD of {variable}:".format(variable=cpd.variable))
print(cpd)
"""
return model
def test_write_xmlbif_stateless(self):
self.writer_stateless.write_xmlbif("grade_problem_output.xbif")
with open("grade_problem_output.xbif", 'r') as f:
reader = XMLBIFReader(f)
model = reader.get_model()
self.assert_models_equivelent(self.model_stateless, model)
self.assertDictEqual({'G': ['state0', 'state1', 'state2'],
'I': ['state0', 'state1'],
'D': ['state0', 'state1'],
'S': ['state0', 'state1'],
'L': ['state0', 'state1']},
model.get_cpds('D').state_names)
os.remove("grade_problem_output.xbif")
def test_write_xmlbif_stateless(self):
self.writer_stateless.write_xmlbif("grade_problem_output.xbif")
with open("grade_problem_output.xbif", "r") as f:
reader = XMLBIFReader(f)
model = reader.get_model()
self.assert_models_equivelent(self.model_stateless, model)
self.assertDictEqual(
{
"G": ["state0", "state1", "state2"],
"I": ["state0", "state1"],
"D": ["state0", "state1"],
"S": ["state0", "state1"],
"L": ["state0", "state1"],
},
model.get_cpds("D").state_names,
)
os.remove("grade_problem_output.xbif")
def setUp(self):
reader = XMLBIFReader(string=TEST_FILE)
self.expected_model = reader.get_model()
self.writer = XMLBIFWriter(self.expected_model)
self.model_stateless = BayesianModel([("D", "G"), ("I", "G"),
("G", "L"), ("I", "S")])
self.cpd_d = TabularCPD(variable="D",
variable_card=2,
values=[[0.6, 0.4]])
self.cpd_i = TabularCPD(variable="I",
variable_card=2,
values=[[0.7, 0.3]])
self.cpd_g = TabularCPD(
variable="G",
variable_card=3,
values=[
[0.3, 0.05, 0.9, 0.5],
[0.4, 0.25, 0.08, 0.3],
[0.3, 0.7, 0.02, 0.2],
],
evidence=["I", "D"],
evidence_card=[2, 2],
)
self.cpd_l = TabularCPD(
variable="L",
variable_card=2,
values=[[0.1, 0.4, 0.99], [0.9, 0.6, 0.01]],
evidence=["G"],
evidence_card=[3],
)
self.cpd_s = TabularCPD(
variable="S",
variable_card=2,
values=[[0.95, 0.2], [0.05, 0.8]],
evidence=["I"],
evidence_card=[2],
)
self.model_stateless.add_cpds(self.cpd_d, self.cpd_i, self.cpd_g,
self.cpd_l, self.cpd_s)
self.writer_stateless = XMLBIFWriter(self.model_stateless)
class TestXMLBIFReaderMethodsFile(unittest.TestCase):
def setUp(self):
with open("dog_problem.xml", 'w') as fout:
fout.write(TEST_FILE)
self.reader = XMLBIFReader("dog_problem.xml")
def test_get_variables(self):
var_expected = [
'light_on', 'bowel_problem', 'dog_out', 'hear_bark', 'family_out'
]
self.assertListEqual(self.reader.variables, var_expected)
def test_get_states(self):
states_expected = {
'bowel_problem': ['true', 'false'],
'dog_out': ['true', 'false'],
'family_out': ['true', 'false'],
'hear_bark': ['true', 'false'],
'light_on': ['true', 'false']
}
states = self.reader.variable_states
for variable in states_expected:
self.assertListEqual(states_expected[variable], states[variable])
def test_get_parents(self):
parents_expected = {
'bowel_problem': [],
'dog_out': ['bowel_problem', 'family_out'],
'family_out': [],
'hear_bark': ['dog_out'],
'light_on': ['family_out']
}
parents = self.reader.variable_parents
for variable in parents_expected:
self.assertListEqual(parents_expected[variable], parents[variable])
def test_get_edges(self):
edges_expected = [['family_out', 'dog_out'],
['bowel_problem', 'dog_out'],
['family_out', 'light_on'], ['dog_out', 'hear_bark']]
self.assertListEqual(sorted(self.reader.edge_list),
sorted(edges_expected))
def test_get_cpd(self):
cpd_expected = {
'bowel_problem': np.array([[0.01], [0.99]]),
'dog_out': np.array([[0.99, 0.97, 0.9, 0.3],
[0.01, 0.03, 0.1, 0.7]]),
'family_out': np.array([[0.15], [0.85]]),
'hear_bark': np.array([[0.7, 0.01], [0.3, 0.99]]),
'light_on': np.array([[0.6, 0.05], [0.4, 0.95]])
}
cpd = self.reader.variable_CPD
for variable in cpd_expected:
np_test.assert_array_equal(cpd_expected[variable], cpd[variable])
def test_get_property(self):
property_expected = {
'bowel_problem': ['position = (190, 69)'],
'dog_out': ['position = (155, 165)'],
'family_out': ['position = (112, 69)'],
'hear_bark': ['position = (154, 241)'],
'light_on': ['position = (73, 165)']
}
prop = self.reader.variable_property
for variable in property_expected:
self.assertListEqual(property_expected[variable], prop[variable])
def test_model(self):
self.reader.get_model().check_model()
def tearDown(self):
del self.reader
os.remove("dog_problem.xml")
class TestXMLBIFReaderMethodsFile(unittest.TestCase):
def setUp(self):
with open("dog_problem.xml", "w") as fout:
fout.write(TEST_FILE)
self.reader = XMLBIFReader("dog_problem.xml")
def test_get_variables(self):
var_expected = [
"kid",
"light_on",
"bowel_problem",
"dog_out",
"hear_bark",
"family_out",
]
self.assertListEqual(self.reader.variables, var_expected)
def test_get_states(self):
states_expected = {
"bowel_problem": ["true", "false"],
"dog_out": ["true", "false"],
"family_out": ["true", "false"],
"hear_bark": ["true", "false"],
"kid": ["true", "false"],
"light_on": ["true", "false"],
}
states = self.reader.variable_states
for variable in states_expected:
self.assertListEqual(states_expected[variable], states[variable])
def test_get_parents(self):
parents_expected = {
"bowel_problem": [],
"dog_out": ["bowel_problem", "family_out"],
"family_out": [],
"hear_bark": ["dog_out"],
"kid": [],
"light_on": ["family_out"],
}
parents = self.reader.variable_parents
for variable in parents_expected:
self.assertListEqual(parents_expected[variable], parents[variable])
def test_get_edges(self):
edges_expected = [
["family_out", "dog_out"],
["bowel_problem", "dog_out"],
["family_out", "light_on"],
["dog_out", "hear_bark"],
]
self.assertListEqual(sorted(self.reader.edge_list),
sorted(edges_expected))
def test_get_values(self):
cpd_expected = {
"bowel_problem": np.array([[0.01], [0.99]]),
"dog_out": np.array([[0.99, 0.97, 0.9, 0.3],
[0.01, 0.03, 0.1, 0.7]]),
"family_out": np.array([[0.15], [0.85]]),
"hear_bark": np.array([[0.7, 0.01], [0.3, 0.99]]),
"kid": np.array([[0.3], [0.7]]),
"light_on": np.array([[0.6, 0.05], [0.4, 0.95]]),
}
cpd = self.reader.variable_CPD
for variable in cpd_expected:
np_test.assert_array_equal(cpd_expected[variable], cpd[variable])
def test_get_property(self):
property_expected = {
"bowel_problem": ["position = (190, 69)"],
"dog_out": ["position = (155, 165)"],
"family_out": ["position = (112, 69)"],
"hear_bark": ["position = (154, 241)"],
"kid": ["position = (100, 165)"],
"light_on": ["position = (73, 165)"],
}
prop = self.reader.variable_property
for variable in property_expected:
self.assertListEqual(property_expected[variable], prop[variable])
def test_model(self):
self.reader.get_model().check_model()
def tearDown(self):
del self.reader
os.remove("dog_problem.xml")
