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import os, sys
from unittest.mock import MagicMock
from pytlas.importers import import_or_reload
from pytlas.agent import Agent
from pytlas.skill import handlers
from pytlas.utils import get_root_package_name
from pytlas.interpreters.snips import SnipsInterpreter
class AttrDict(dict):
"""Simple object to access dict keys like attributes.
def __getattr__(self, name):
return self[name]
except KeyError:
raise AttributeError
class ModelMock(MagicMock):
"""Represents a particular mocking object used to make assertions easier on the
agent model.
def has_arguments_mapping(self, mapping):
"""Adds arguments names to this instance to be able to test against them. Maybe
there is a better way to handle it, I don't know yet.
mapping (list of str): List of keys in the order of arguments
self._args_map = mapping
return self
def get_call(self, number=0):
"""Retrieve call args for the given call number. With this tiny method, you can
call a mock multiple times and assert against a specific one.
It will returns an AttrDict which contains each argument name and their respective value
so order is not an issue.
number (int): Call order
AttrDict: AttrDict with argument names as keys
c = self.call_args_list[number][0]
except IndexError:
raise AssertionError('Mock has been called less than %d times!' % number)
r = AttrDict()
for (i, arg) in enumerate(c):
r[self._args_map[i]] = arg
except IndexError:
for (k, v) in self.call_args_list[number][1].items():
r[k] = v
return r
class AgentModelMock:
"""Represents an agent model targeted at testing skills easily.
def __init__(self):
self.on_answer = ModelMock().has_arguments_mapping(['text', 'cards'])
self.on_ask = ModelMock().has_arguments_mapping(['slot', 'text', 'choices'])
self.on_done = ModelMock().has_arguments_mapping(['require_input'])
self.on_context = ModelMock().has_arguments_mapping(['context_name'])
self.on_thinking = ModelMock().has_arguments_mapping([])
def reset(self):
"""Resets all magic mocks calls. Basically, you should call it in your test
setup method to make sure each instance starts from a fresh state.
def create_skill_agent(skill_folder, lang='en', additional_skills=[]):
"""Create an agent specifically targeted at the specified skill folder. It makes
it easy to write skill tests using a specific mock object as the Agent model.
It will spawn a SnipsInterpreter and fit data only for the skill being tested.
skill_folder (str): Absolute path of the skill folder to be tested
lang (str): Optional language used by the interpreter
additional_skills (list of str): Additional skills to be loaded and interpreted
Agent: Agent with a specific mock model to make assertions simplier
import_path = os.path.dirname(skill_folder)
skill_name = os.path.basename(skill_folder)
# Start by importing the skill
if import_path not in sys.path:
# And instantiate an interpreter
skills_to_load = [skill_name] + additional_skills
interpreter = SnipsInterpreter(lang)
# Filter handlers for targeted skill only
valid_handlers = { k: v for (k, v) in handlers.items() if get_root_package_name(v.__module__) in skills_to_load }
return Agent(interpreter, model=AgentModelMock(), handlers=valid_handlers)
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