| # |
| # Copyright (c) 2022 Project CHIP Authors |
| # All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| from abc import ABC, abstractmethod |
| from dataclasses import dataclass, field |
| from chip import ChipDeviceCtrl |
| from chip.tlv import float32 |
| import yaml |
| import stringcase |
| import chip.interaction_model |
| import asyncio as asyncio |
| import logging |
| import math |
| from chip.yaml.errors import ParsingError, UnexpectedParsingError |
| from .data_model_lookup import * |
| import chip.yaml.format_converter as Converter |
| from .variable_storage import VariableStorage |
| from .constraints import get_constraints |
| |
| _SUCCESS_STATUS_CODE = "SUCCESS" |
| _NODE_ID_DEFAULT = 0x12345 |
| _ENDPOINT_DETAULT = '' # TODO why is this an empty string |
| _CLUSTER_DEFAULT = '' |
| _TIMEOUT_DEFAULT = 90 |
| logger = logging.getLogger('YamlParser') |
| |
| |
| @dataclass |
| class _ExecutionContext: |
| ''' Objects that is commonly passed around this file that are vital to test execution.''' |
| # Data model lookup to get python attribute, cluster, command object. |
| data_model_lookup: DataModelLookup = None |
| # Where various test action response are stored and loaded from. |
| variable_storage: VariableStorage = None |
| # Top level configuration values for a yaml test. |
| config_values: dict = None |
| |
| |
| class _VariableToSave: |
| def __init__(self, variable_name: str, variable_storage: VariableStorage): |
| self._variable_name = variable_name |
| self._variable_storage = variable_storage |
| self._variable_storage.save(self._variable_name, None) |
| |
| def save_response(self, value): |
| self._variable_storage.save(self._variable_name, value) |
| |
| |
| class _ExpectedResponse: |
| def __init__(self, value, response_type, context: _ExecutionContext): |
| self._load_expected_response_in_verify = None |
| self._expected_response_type = response_type |
| self._expected_response = None |
| self._variable_storage = context.variable_storage |
| if isinstance(value, str) and self._variable_storage.is_key_saved(value): |
| self._load_expected_response_in_verify = value |
| else: |
| self._expected_response = Converter.convert_yaml_type( |
| value, response_type, use_from_dict=True) |
| |
| def verify(self, response): |
| if (self._expected_response_type is None): |
| return True |
| |
| if self._load_expected_response_in_verify is not None: |
| self._expected_response = self._variable_storage.load( |
| self._load_expected_response_in_verify) |
| |
| if isinstance(self._expected_response_type, float32): |
| if not math.isclose(self._expected_response, response, rel_tol=1e-6): |
| logger.error(f"Expected response {self._expected_response} didn't match " |
| f"actual object {response}") |
| return False |
| |
| if (self._expected_response != response): |
| logger.error(f"Expected response {self._expected_response} didn't match " |
| f"actual object {response}") |
| return False |
| return True |
| |
| |
| class BaseAction(ABC): |
| '''Interface for a single yaml action that is to be executed.''' |
| |
| def __init__(self, label): |
| self._label = label |
| |
| @property |
| def label(self): |
| return self._label |
| |
| @abstractmethod |
| def run_action(self, dev_ctrl: ChipDeviceCtrl, endpoint: int, node_id: int): |
| pass |
| |
| |
| class InvokeAction(BaseAction): |
| '''Single invoke action to be executed including validation of response.''' |
| |
| def __init__(self, item: dict, cluster: str, context: _ExecutionContext): |
| '''Parse cluster invoke from yaml test configuration. |
| |
| Args: |
| 'item': Dictionary containing single invoke to be parsed. |
| 'cluster': Name of cluster which to invoke action is targeting. |
| 'context': Contains test-wide common objects such as DataModelLookup instance, storage |
| for device responses and top level test configurations variable. |
| Raises: |
| ParsingError: Raised if there is a benign error, and there is currently no |
| action to perform for this write attribute. |
| UnexpectedParsingError: Raised if there is an unexpected parsing error. |
| ''' |
| super().__init__(item['label']) |
| self._command_name = stringcase.pascalcase(item['command']) |
| self._cluster = cluster |
| self._request_object = None |
| self._expected_raw_response: dict = field(default_factory=dict) |
| self._expected_response_object = None |
| |
| command = context.data_model_lookup.get_command( |
| self._cluster, self._command_name) |
| |
| if command is None: |
| raise ParsingError( |
| f'Failed to find cluster:{self._cluster} Command:{self._command_name}') |
| |
| command_object = command() |
| if (item.get('arguments')): |
| args = item['arguments']['values'] |
| |
| request_data_as_dict = Converter.convert_name_value_pair_to_dict(args) |
| |
| try: |
| request_data = Converter.convert_yaml_type( |
| request_data_as_dict, type(command_object)) |
| except ValueError: |
| raise ParsingError('Could not covert yaml type') |
| |
| # Create a cluster object for the request from the provided YAML data. |
| self._request_object = command_object.FromDict(request_data) |
| else: |
| self._request_object = command_object |
| |
| self._expected_raw_response = item.get('response') |
| |
| if (self._request_object.response_type is not None and |
| self._expected_raw_response is not None and |
| self._expected_raw_response.get('values')): |
| response_type = stringcase.pascalcase(self._request_object.response_type) |
| expected_command = context.data_model_lookup.get_command(self._cluster, |
| response_type) |
| expected_response_args = self._expected_raw_response['values'] |
| expected_response_data_as_dict = Converter.convert_name_value_pair_to_dict( |
| expected_response_args) |
| expected_response_data = Converter.convert_yaml_type( |
| expected_response_data_as_dict, expected_command) |
| self._expected_response_object = expected_command.FromDict(expected_response_data) |
| |
| def run_action(self, dev_ctrl: ChipDeviceCtrl, endpoint: int, node_id: int): |
| try: |
| resp = asyncio.run(dev_ctrl.SendCommand(node_id, endpoint, self._request_object)) |
| except chip.interaction_model.InteractionModelError: |
| if self._expected_raw_response is None: |
| raise |
| |
| expected_status_code = self._expected_raw_response.get('error') |
| if expected_status_code is not None and expected_status_code != _SUCCESS_STATUS_CODE: |
| logger.debug('Got error response, but was expected') |
| else: |
| raise |
| |
| if (self._expected_response_object is not None): |
| if (self._expected_response_object != resp): |
| logger.error(f'Expected response {self._expected_response_object} did not match ' |
| f'actual object {resp}') |
| |
| |
| class ReadAttributeAction(BaseAction): |
| '''Single read attribute action to be executed including validation.''' |
| |
| def __init__(self, item: dict, cluster: str, context: _ExecutionContext): |
| '''Parse read attribute action from yaml test configuration. |
| |
| Args: |
| 'item': Dictionary contains single read attribute action to be parsed. |
| 'cluster': Name of cluster read attribute action is targeting. |
| 'context': Contains test-wide common objects such as DataModelLookup instance, storage |
| for device responses and top level test configurations variable. |
| Raises: |
| ParsingError: Raised if there is a benign error, and there is currently no |
| action to perform for this read attribute. |
| UnexpectedParsingError: Raised if there is an unexpected parsing error. |
| ''' |
| super().__init__(item['label']) |
| self._attribute_name = stringcase.pascalcase(item['attribute']) |
| self._constraints = [] |
| self._cluster = cluster |
| self._cluster_object = None |
| self._request_object = None |
| self._expected_raw_response: dict = field(default_factory=dict) |
| self._expected_response: _ExpectedResponse = None |
| self._possibly_unsupported = False |
| self._variable_to_save = None |
| |
| self._cluster_object = context.data_model_lookup.get_cluster(self._cluster) |
| if self._cluster_object is None: |
| raise UnexpectedParsingError( |
| f'ReadAttribute failed to find cluster object:{self._cluster}') |
| |
| self._request_object = context.data_model_lookup.get_attribute( |
| self._cluster, self._attribute_name) |
| if self._request_object is None: |
| raise ParsingError( |
| f'ReadAttribute failed to find cluster:{self._cluster} ' |
| f'Attribute:{self._attribute_name}') |
| |
| if (item.get('arguments')): |
| raise UnexpectedParsingError( |
| f'ReadAttribute should not contain arguments. {self.label}') |
| |
| if self._request_object.attribute_type is None: |
| raise UnexpectedParsingError( |
| f'ReadAttribute doesnt have valid attribute_type. {self.label}') |
| |
| if 'optional' in item: |
| self._possibly_unsupported = True |
| |
| self._expected_raw_response = item.get('response') |
| if (self._expected_raw_response is None): |
| # TODO actually if response is missing it typically means that we need to confirm |
| # that we got a successful response. This will be implemented later to consider all |
| # possible corner cases around that (if there are corner cases). |
| raise UnexpectedParsingError(f'ReadAttribute missing expected response. {self.label}') |
| |
| variable_name = self._expected_raw_response.get('saveAs') |
| if variable_name: |
| self._variable_to_save = _VariableToSave(variable_name, context.variable_storage) |
| |
| if 'value' in self._expected_raw_response: |
| expected_response_value = self._expected_raw_response['value'] |
| self._expected_response = _ExpectedResponse(expected_response_value, |
| self._request_object.attribute_type.Type, |
| context) |
| |
| constraints = self._expected_raw_response.get('constraints') |
| if constraints: |
| self._constraints = get_constraints(constraints, |
| self._request_object.attribute_type.Type, |
| context.variable_storage) |
| |
| def run_action(self, dev_ctrl: ChipDeviceCtrl, endpoint: int, node_id: int): |
| try: |
| resp = asyncio.run(dev_ctrl.ReadAttribute(node_id, [(self._request_object)])) |
| except chip.interaction_model.InteractionModelError: |
| if self._expected_raw_response is None: |
| raise |
| |
| expected_status_code = self._expected_raw_response.get('error') |
| if expected_status_code is not None and expected_status_code != _SUCCESS_STATUS_CODE: |
| logger.debug('Got error response, but was expected') |
| else: |
| raise |
| |
| if self._possibly_unsupported and not resp: |
| # We have found an unsupported attribute. Parsed test did specify that it might be |
| # unsupported, so nothing left to validate. |
| return |
| |
| # TODO Currently there are no checks that this indexing won't fail. Need to add some |
| # initial validity checks. Coming soon an a future PR. |
| parsed_resp = resp[endpoint][self._cluster_object][self._request_object] |
| |
| if self._variable_to_save is not None: |
| self._variable_to_save.save_response(parsed_resp) |
| |
| if not all([constraint.is_met(parsed_resp) for constraint in self._constraints]): |
| logger.error(f'Constraints check failed') |
| # TODO how should we fail the test here? |
| |
| if self._expected_response is not None: |
| self._expected_response.verify(parsed_resp) |
| |
| |
| class WriteAttributeAction(BaseAction): |
| '''Single write attribute action to be executed including validation.''' |
| |
| def __init__(self, item: dict, cluster: str, context: _ExecutionContext): |
| '''Parse write attribute action from yaml test configuration. |
| |
| Args: |
| 'item': Dictionary contains single write attribute action to be parsed. |
| 'cluster': Name of cluster write attribute action is targeting. |
| 'context': Contains test-wide common objects such as DataModelLookup instance, storage |
| for device responses and top level test configurations variable. |
| Raises: |
| ParsingError: Raised if there is a benign error, and there is currently no |
| action to perform for this write attribute. |
| UnexpectedParsingError: Raised if there is an unexpected parsing error. |
| ''' |
| super().__init__(item['label']) |
| self._attribute_name = stringcase.pascalcase(item['attribute']) |
| self._cluster = cluster |
| self._request_object = None |
| |
| attribute = context.data_model_lookup.get_attribute( |
| self._cluster, self._attribute_name) |
| if attribute is None: |
| raise ParsingError( |
| f'WriteAttribute failed to find cluster:{self._cluster} ' |
| f'Attribute:{self._attribute_name}') |
| |
| if (item.get('arguments')): |
| args = item['arguments']['value'] |
| try: |
| request_data = Converter.convert_yaml_type( |
| args, attribute.attribute_type.Type) |
| except ValueError: |
| raise ParsingError('Could not covert yaml type') |
| |
| # Create a cluster object for the request from the provided YAML data. |
| self._request_object = attribute(request_data) |
| else: |
| raise UnexpectedParsingError(f'WriteAttribute action does have arguments {self.label}') |
| |
| def run_action(self, dev_ctrl: ChipDeviceCtrl, endpoint: int, node_id: int): |
| try: |
| resp = asyncio.run( |
| dev_ctrl.WriteAttribute(node_id, [(endpoint, self._request_object)])) |
| except chip.interaction_model.InteractionModelError: |
| if (self.expected_raw_response is not None and |
| self.expected_raw_response.get('error')): |
| logger.debug('Got error, but was expected') |
| else: |
| raise |
| |
| # TODO: confirm resp give a Success value, although not all write action are expected |
| # to succeed, hence why this is a todo and not simply just done. Below is example of |
| # what success check might look like. |
| # asserts.assert_equal(resp[0].Status, StatusEnum.Success, 'label write must succeed') |
| |
| |
| class YamlTestParser: |
| '''Parses the test YAMLs and converts to a more natural Pythonic representation. |
| |
| The parser also permits execution of those tests there-after. |
| ''' |
| |
| def __init__(self, yaml_path: str): |
| '''Constructor that parser the given a path to YAML test file.''' |
| with open(yaml_path, 'r') as stream: |
| try: |
| self._raw_data = yaml.safe_load(stream) |
| except yaml.YAMLError as exc: |
| raise exc |
| |
| if 'name' not in self._raw_data: |
| raise UnexpectedParsingError("YAML expected to have 'name'") |
| self._name = self._raw_data['name'] |
| |
| if 'config' not in self._raw_data: |
| raise UnexpectedParsingError("YAML expected to have 'config'") |
| self._config = self._raw_data['config'] |
| |
| self._config.setdefault('nodeId', _NODE_ID_DEFAULT) |
| self._config.setdefault('endpoint', _ENDPOINT_DETAULT) |
| self._config.setdefault('cluster', _CLUSTER_DEFAULT) |
| # TODO timeout is currently not used |
| self._config.setdefault('timeout', _TIMEOUT_DEFAULT) |
| |
| self._config['cluster'] = self._config['cluster'].replace(' ', '').replace('/', '') |
| self._base_action_test_list = [] |
| self._context = _ExecutionContext(data_model_lookup=PreDefinedDataModelLookup(), |
| variable_storage=VariableStorage(), |
| config_values=self._config) |
| |
| for item in self._raw_data['tests']: |
| # This currently behaves differently than the c++ version. We are evaluating if test |
| # is disabled before anything else, allowing for incorrectly named commands. |
| if item.get('disabled'): |
| logger.info(f"Test is disabled, skipping {item['label']}") |
| continue |
| |
| action = None |
| cluster = self._config['cluster'] |
| # Some of the tests contain 'cluster over-rides' that refer to a different |
| # cluster than that specified in 'config'. |
| if (item.get('cluster')): |
| cluster = item.get('cluster').replace(' ', '').replace('/', '') |
| if item['command'] == 'writeAttribute': |
| action = self._attribute_write_action_factory(item, cluster) |
| elif item['command'] == 'readAttribute': |
| action = self._attribute_read_action_factory(item, cluster) |
| else: |
| action = self._invoke_action_factory(item, cluster) |
| |
| if action is not None: |
| self._base_action_test_list.append(action) |
| else: |
| logger.warn(f"Failed to parse {item['label']}") |
| |
| def _invoke_action_factory(self, item: dict, cluster: str): |
| '''Parse cluster command from yaml test configuration. |
| |
| Args: |
| 'item': Dictionary contains single cluster action test to be parsed |
| 'cluster': Name of cluster action is targeting. |
| Returns: |
| InvokeAction if 'item' is a valid action to be executed. |
| None if 'item' was not parsed for a known reason that is not fatal. |
| ''' |
| try: |
| return InvokeAction(item, cluster, self._context) |
| except ParsingError: |
| return None |
| |
| def _attribute_read_action_factory(self, item: dict, cluster: str): |
| '''Parse read attribute action from yaml test configuration. |
| |
| Args: |
| 'item': Dictionary contains single read attribute action to be parsed. |
| 'cluster': Name of cluster read attribute action is targeting. |
| Returns: |
| ReadAttributeAction if 'item' is a valid action to be executed. |
| None if 'item' was not parsed for a known reason that is not fatal. |
| ''' |
| try: |
| return ReadAttributeAction(item, cluster, self._context) |
| except ParsingError: |
| return None |
| |
| def _attribute_write_action_factory(self, item: dict, cluster: str): |
| '''Parse write attribute action from yaml test configuration. |
| |
| Args: |
| 'item': Dictionary contains single write attribute action to be parsed. |
| 'cluster': Name of cluster write attribute action is targeting. |
| Returns: |
| WriteAttributeAction if 'item' is a valid action to be executed. |
| None if 'item' was not parsed for a known reason that is not fatal. |
| ''' |
| try: |
| return WriteAttributeAction(item, cluster, self._context) |
| except ParsingError: |
| return None |
| |
| def execute_tests(self, dev_ctrl: ChipDeviceCtrl): |
| '''Executes parsed YAML tests.''' |
| self._context.variable_storage.clear() |
| for idx, action in enumerate(self._base_action_test_list): |
| logger.info(f'test: {idx} -- Executing{action.label}') |
| |
| action.run_action(dev_ctrl, self._config['endpoint'], self._config['nodeId']) |
