Fix some bugs in conformance checker

This commit is contained in:
Joeri Exelmans 2024-10-04 10:50:29 +02:00
parent 03cc568516
commit 0785b9218e
2 changed files with 70 additions and 63 deletions

View file

@ -48,39 +48,35 @@ class Conformance:
Returns:
Boolean indicating whether the check has passed
"""
try:
self.check_typing()
self.check_link_typing()
self.check_multiplicities()
self.check_constraints()
return True
except RuntimeError as e:
if log:
print(e)
return False
errors = []
errors += self.check_typing()
errors += self.check_link_typing()
errors += self.check_multiplicities()
errors += self.check_constraints()
return errors
def check_structural(self, *, build_morphisms=True, log=False):
"""
Perform a structural conformance check
# def check_structural(self, *, build_morphisms=True, log=False):
# """
# Perform a structural conformance check
Args:
build_morphisms: boolean indicating whether to create morpishm links
log: boolean indicating whether to log errors
# Args:
# build_morphisms: boolean indicating whether to create morpishm links
# log: boolean indicating whether to log errors
Returns:
Boolean indicating whether the check has passed
"""
try:
self.precompute_structures()
self.match_structures()
if build_morphisms:
self.build_morphisms()
self.check_nominal(log=log)
return True
except RuntimeError as e:
if log:
print(e)
return False
# Returns:
# Boolean indicating whether the check has passed
# """
# try:
# self.precompute_structures()
# self.match_structures()
# if build_morphisms:
# self.build_morphisms()
# self.check_nominal(log=log)
# return True
# except RuntimeError as e:
# if log:
# print(e)
# return False
def read_attribute(self, element: UUID, attr_name: str):
"""
@ -218,8 +214,8 @@ class Conformance:
# optional for attribute links
opt = self.read_attribute(tm_element, "optional")
if opt != None:
self.source_multiplicities[tm_name] = (0 if opt else 1, 1)
self.target_multiplicities[tm_name] = (0, 1)
self.source_multiplicities[tm_name] = (0, float('inf'))
self.target_multiplicities[tm_name] = (0 if opt else 1, 1)
def get_type(self, element: UUID):
"""
@ -234,6 +230,7 @@ class Conformance:
for each element of model check whether a morphism
link exists to some element of type_model
"""
errors = []
ref_element, = self.bottom.read_outgoing_elements(self.scd_model, "ModelRef")
model_names = self.bottom.read_keys(self.model)
for m_name in model_names:
@ -245,19 +242,20 @@ class Conformance:
if ref_element in self.bottom.read_outgoing_elements(tm_element, "Morphism"):
sub_m = UUID(self.bottom.read_value(m_element))
sub_tm = UUID(self.bottom.read_value(tm_element))
if not Conformance(self.state, sub_m, sub_tm).check_nominal():
raise RuntimeError(f"Incorrectly model reference: {m_name}")
nested_errors = Conformance(self.state, sub_m, sub_tm).check_nominal()
errors += [f"In ModelRef ({m_name}):" + err for err in nested_errors]
except ValueError as e:
import traceback
traceback.format_exc(e)
# no or too many morphism links found
raise RuntimeError(f"Incorrectly typed element: {m_name}")
return True
errors.append(f"Incorrectly typed element: {m_name}")
return errors
def check_link_typing(self):
"""
for each link, check whether its source and target are of a valid type
"""
errors = []
self.precompute_sub_types()
for m_name, tm_name in self.type_mapping.items():
m_element, = self.bottom.read_outgoing_elements(self.model, m_name)
@ -275,15 +273,15 @@ class Conformance:
source_type_expected = self.type_model_names[tm_source]
if source_type_actual != source_type_expected:
if source_type_actual not in self.sub_types[source_type_expected]:
raise RuntimeError(f"Invalid source type {source_type_actual} for element {m_name}")
errors.append(f"Invalid source type {source_type_actual} for element {m_name}")
# check if target is typed correctly
target_name = self.model_names[m_target]
target_type_actual = self.type_mapping[target_name]
target_type_expected = self.type_model_names[tm_target]
if target_type_actual != target_type_expected:
if target_type_actual not in self.sub_types[target_type_expected]:
raise RuntimeError(f"Invalid target type {target_type_actual} for element {m_name}")
return True
errors.append(f"Invalid target type {target_type_actual} for element {m_name}")
return errors
def check_multiplicities(self):
"""
@ -291,12 +289,13 @@ class Conformance:
"""
self.deref_primitive_values()
self.precompute_multiplicities()
errors = []
for tm_name in self.type_model_names.values():
# abstract classes
if tm_name in self.abstract_types:
type_count = list(self.type_mapping.values()).count(tm_name)
if type_count > 0:
raise RuntimeError(f"Invalid instantiation of abstract class: {tm_name}")
errors.append(f"Invalid instantiation of abstract class: {tm_name}")
# class multiplicities
if tm_name in self.multiplicities:
lc, uc = self.multiplicities[tm_name]
@ -304,48 +303,55 @@ class Conformance:
for sub_type in self.sub_types[tm_name]:
type_count += list(self.type_mapping.values()).count(sub_type)
if type_count < lc or type_count > uc:
raise RuntimeError(f"Cardinality of type exceeds valid multiplicity range: {tm_name} ({type_count})")
errors.append(f"Cardinality of type exceeds valid multiplicity range: {tm_name} ({type_count})")
# association source multiplicities
if tm_name in self.source_multiplicities:
tm_element, = self.bottom.read_outgoing_elements(self.type_model, tm_name)
tm_source_element = self.bottom.read_edge_source(tm_element)
tm_source_name = self.type_model_names[tm_source_element]
tm_tgt_element = self.bottom.read_edge_target(tm_element)
tm_tgt_name = self.type_model_names[tm_tgt_element]
lc, uc = self.source_multiplicities[tm_name]
for i, t in self.type_mapping.items():
if t == tm_source_name or t in self.sub_types[tm_source_name]:
for tgt_obj_name, t in self.type_mapping.items():
if t == tm_tgt_name or t in self.sub_types[tm_tgt_name]:
count = 0
i_element, = self.bottom.read_outgoing_elements(self.model, i)
outgoing = self.bottom.read_outgoing_edges(i_element)
for o in outgoing:
tgt_obj_node, = self.bottom.read_outgoing_elements(self.model, tgt_obj_name)
incoming = self.bottom.read_incoming_edges(tgt_obj_node)
for i in incoming:
try:
if self.type_mapping[self.model_names[o]] == tm_name:
if self.type_mapping[self.model_names[i]] == tm_name:
count += 1
except KeyError:
pass # for elements not part of model, e.g. morphism links
if count < lc or count > uc:
raise RuntimeError(f"Source cardinality of type {tm_name} exceeds valid multiplicity range in {i}.")
errors.append(f"Source cardinality of type {tm_name} ({count}) out of bounds ({lc}..{uc}) in {tgt_obj_name}.")
# association target multiplicities
if tm_name in self.target_multiplicities:
tm_element, = self.bottom.read_outgoing_elements(self.type_model, tm_name)
tm_target_element = self.bottom.read_edge_target(tm_element)
tm_target_name = self.type_model_names[tm_target_element]
# tm_target_element = self.bottom.read_edge_target(tm_element)
tm_src_element = self.bottom.read_edge_source(tm_element)
tm_src_name = self.type_model_names[tm_src_element]
lc, uc = self.target_multiplicities[tm_name]
for i, t in self.type_mapping.items():
if t == tm_target_name or t in self.sub_types[tm_target_name]:
# print("checking assoc", tm_name, "source", tm_src_name)
# print("subtypes of", tm_src_name, self.sub_types[tm_src_name])
for src_obj_name, t in self.type_mapping.items():
if t == tm_src_name or t in self.sub_types[tm_src_name]:
# print("got obj", src_obj_name, "of type", t)
count = 0
i_element, = self.bottom.read_outgoing_elements(self.model, i)
outgoing = self.bottom.read_incoming_edges(i_element)
src_obj_node, = self.bottom.read_outgoing_elements(self.model, src_obj_name)
# outgoing = self.bottom.read_incoming_edges(src_obj_node)
outgoing = self.bottom.read_outgoing_edges(src_obj_node)
for o in outgoing:
try:
if self.type_mapping[self.model_names[o]] == tm_name:
# print("have an outgoing edge", self.model_names[o], self.type_mapping[self.model_names[o]], "---> increase counter")
count += 1
except KeyError:
pass # for elements not part of model, e.g. morphism links
if count < lc or count > uc:
print(f"Target cardinality of type {tm_name} exceeds valid multiplicity range in {i}.")
return False
return True
errors.append(f"Target cardinality of type {tm_name} ({count}) out of bounds ({lc}..{uc}) in {src_obj_name}.")
# else:
# print(f"OK: Target cardinality of type {tm_name} ({count}) within bounds ({lc}..{uc}) in {src_obj_name}.")
return errors
def evaluate_constraint(self, code, **kwargs):
"""
@ -367,6 +373,7 @@ class Conformance:
Check whether all constraints defined for a model are respected
"""
# local constraints
errors = []
for m_name, tm_name in self.type_mapping.items():
if tm_name != "GlobalConstraint":
tm_element, = self.bottom.read_outgoing_elements(self.type_model, tm_name)
@ -376,7 +383,7 @@ class Conformance:
morphisms = [m for m in morphisms if m in self.model_names]
for m_element in morphisms:
if not self.evaluate_constraint(code, element=m_element):
raise RuntimeError(f"Local constraint of {tm_name} not satisfied in {m_name}.")
errors.append(f"Local constraint of {tm_name} not satisfied in {m_name}.")
# global constraints
for m_name, tm_name in self.type_mapping.items():
@ -385,8 +392,8 @@ class Conformance:
code = self.read_attribute(tm_element, "constraint")
if code != None:
if not self.evaluate_constraint(code, model=self.model):
raise RuntimeError(f"Global constraint {tm_name} not satisfied.")
return True
errors.append(f"Global constraint {tm_name} not satisfied.")
return errors
def precompute_structures(self):
"""

View file

@ -75,7 +75,7 @@ def ramify(state: State, model: UUID, prefix = "RAM_") -> UUID:
# Double-check: The RAMified meta-model should also conform to 'SCD':
conf = Conformance(state, ramified, scd_metamodel)
if not conf.check_nominal(log=True):
if len(conf.check_nominal(log=True)) > 0:
raise Exception("Unexpected error: RAMified MM does not conform to SCD MM")
return ramified