[matter_yamltests] Add a config_override property to the TestParser i…

…n order to modify the test parameters (project-chip#24869)

scripts/py_matter_yamltests/matter_yamltests/parser.py

@@ -14,6 +14,7 @@
 #    limitations under the License.
 
 import copy
+from dataclasses import dataclass, field
 from enum import Enum, auto
 
 import yaml
@@ -837,16 +838,32 @@ def __next__(self) -> TestStep:
         raise StopIteration
 
 
+@dataclass
+class TestParserConfig:
+    pics: str = None
+    definitions: SpecDefinitions = None
+    config_override: dict = field(default_factory=dict)
+
+
 class TestParser:
-    def __init__(self, test_file, pics_file, definitions):
+    def __init__(self, test_file: str, parser_config: TestParserConfig = TestParserConfig()):
         data = self.__load_yaml(test_file)
 
         _check_valid_keys(data, _TESTS_SECTION)
 
         self.name = _value_or_none(data, 'name')
         self.PICS = _value_or_none(data, 'PICS')
 
-        self._parsing_config_variable_storage = data.get('config', {})
+        config = data.get('config', {})
+        for key, value in parser_config.config_override.items():
+            if value is None:
+                continue
+
+            if isinstance(config[key], dict) and 'defaultValue' in config[key]:
+                config[key]['defaultValue'] = value
+            else:
+                config[key] = value
+        self._parsing_config_variable_storage = config
 
         # These are a list of "KnownVariables". These are defaults the codegen used to use. This
         # is added for legacy support of tests that expect to uses these "defaults".
@@ -855,13 +872,10 @@ def __init__(self, test_file, pics_file, definitions):
         self.__populate_default_config_if_missing('cluster', '')
         self.__populate_default_config_if_missing('timeout', '90')
 
-        pics_checker = PICSChecker(pics_file)
+        pics_checker = PICSChecker(parser_config.pics)
         tests = _value_or_none(data, 'tests')
         self.tests = YamlTests(
-            self._parsing_config_variable_storage, definitions, pics_checker, tests)
-
-    def update_config(self, key, value):
-        self._parsing_config_variable_storage[key] = value
+            self._parsing_config_variable_storage, parser_config.definitions, pics_checker, tests)
 
     def __populate_default_config_if_missing(self, key, value):
         if key not in self._parsing_config_variable_storage:

scripts/py_matter_yamltests/test_yaml_parser.py

@@ -24,7 +24,7 @@
 import unittest
 
 from matter_yamltests.definitions import *
-from matter_yamltests.parser import TestParser
+from matter_yamltests.parser import TestParser, TestParserConfig
 
 simple_test_description = '''<?xml version="1.0"?>
   <configurator>
@@ -74,19 +74,44 @@ def setUp(self):
         self._temp_file = tempfile.NamedTemporaryFile(suffix='.yaml')
         with open(self._temp_file.name, 'w') as f:
             f.writelines(simple_test_yaml)
-        pics_file = None
-        self._yaml_parser = TestParser(
-            self._temp_file.name, pics_file, self._definitions)
 
     def test_able_to_iterate_over_all_parsed_tests(self):
         # self._yaml_parser.tests implements `__next__`, which does value substitution. We are
         # simply ensure there is no exceptions raise.
+        parser_config = TestParserConfig(None, self._definitions)
+        yaml_parser = TestParser(self._temp_file.name, parser_config)
         count = 0
-        for idx, test_step in enumerate(self._yaml_parser.tests):
+        for idx, test_step in enumerate(yaml_parser.tests):
             count += 1
             pass
         self.assertEqual(count, 3)
 
+    def test_config(self):
+        parser_config = TestParserConfig(None, self._definitions)
+        yaml_parser = TestParser(self._temp_file.name, parser_config)
+        for idx, test_step in enumerate(yaml_parser.tests):
+            self.assertEqual(test_step.node_id, 0x12344321)
+            self.assertEqual(test_step.cluster, 'Test')
+            self.assertEqual(test_step.endpoint, 1)
+
+    def test_config_override(self):
+        config_override = {'nodeId': 12345,
+                           'cluster': 'TestOverride', 'endpoint': 4}
+        parser_config = TestParserConfig(
+            None, self._definitions, config_override)
+        yaml_parser = TestParser(self._temp_file.name, parser_config)
+        for idx, test_step in enumerate(yaml_parser.tests):
+            self.assertEqual(test_step.node_id, 12345)
+            self.assertEqual(test_step.cluster, 'TestOverride')
+            self.assertEqual(test_step.endpoint, 4)
+
+    def test_config_override_unknown_field(self):
+        config_override = {'unknown_field': 1}
+        parser_config = TestParserConfig(
+            None, self._definitions, config_override)
+        self.assertRaises(KeyError, TestParser,
+                          self._temp_file.name, parser_config)
+
 
 def main():
     unittest.main()

scripts/tests/chiptest/yamltest_with_chip_repl_tester.py

@@ -33,7 +33,7 @@
 from chip.ChipStack import *
 from chip.yaml.runner import ReplTestRunner
 from matter_yamltests.definitions import SpecDefinitionsFromPaths
-from matter_yamltests.parser import PostProcessCheckStatus, TestParser
+from matter_yamltests.parser import PostProcessCheckStatus, TestParser, TestParserConfig
 
 _DEFAULT_CHIP_ROOT = os.path.abspath(
     os.path.join(os.path.dirname(__file__), "..", "..", ".."))
@@ -100,7 +100,8 @@ def _StackShutDown():
             ])
 
             # Parsing YAML test and setting up chip-repl yamltests runner.
-            yaml = TestParser(yaml_path, pics_file, clusters_definitions)
+            parser_config = TestParserConfig(pics_file, clusters_definitions)
+            yaml = TestParser(yaml_path, parser_config)
             runner = ReplTestRunner(
                 clusters_definitions, certificate_authority_manager, dev_ctrl)