Convert former python yaml tests parser to be a runner/adapter

scripts/tests/yamltests/fixes.py

@@ -54,8 +54,6 @@ def try_apply_yaml_float_written_as_strings(value):
     return value
 
 
-# TODO(thampson) This method is a clone of the method in
-# src/controller/python/chip/yaml/format_converter.py and should eventually be removed in that file.
 def convert_yaml_octet_string_to_bytes(s: str) -> bytes:
     '''Convert YAML octet string body to bytes.
 

src/controller/python/BUILD.gn

@@ -230,12 +230,10 @@ chip_python_wheel_action("chip-core") {
         "chip/utils/CommissioningBuildingBlocks.py",
         "chip/utils/__init__.py",
         "chip/yaml/__init__.py",
-        "chip/yaml/constraints.py",
         "chip/yaml/data_model_lookup.py",
         "chip/yaml/errors.py",
         "chip/yaml/format_converter.py",
-        "chip/yaml/parser.py",
-        "chip/yaml/variable_storage.py",
+        "chip/yaml/runner.py",
       ]
 
       if (chip_controller) {

src/controller/python/chip/yaml/__init__.py

@@ -20,4 +20,4 @@
 #      Provides Python APIs for Matter.
 
 """Provides yaml parser Python APIs for Matter."""
-from . import parser
+from . import runner

src/controller/python/chip/yaml/data_model_lookup.py

@@ -32,6 +32,10 @@ def get_command(self, cluster: str, command: str):
     def get_attribute(self, cluster: str, attribute: str):
         pass
 
+    @abstractmethod
+    def get_event(self, cluster: str, event: str):
+        pass
+
 
 class PreDefinedDataModelLookup(DataModelLookup):
     def get_cluster(self, cluster: str):
@@ -53,3 +57,10 @@ def get_attribute(self, cluster: str, attribute: str):
             return getattr(attributes, attribute, None)
         except AttributeError:
             return None
+
+    def get_event(self, cluster: str, event: str):
+        try:
+            events = getattr(Clusters, cluster, None).Events
+            return getattr(events, event, None)
+        except AttributeError:
+            return None

src/controller/python/chip/yaml/errors.py

@@ -20,7 +20,7 @@ def __init__(self, message):
         super().__init__(message)
 
 
-class UnexpectedParsingError(ParsingError):
+class UnexpectedParsingError(ValueError):
     def __init__(self, message):
         super().__init__(message)