fix: schema transformer logic fix.

tests: include several specific response schema tests to verify that tSchema logic is handled properly across all languages. and enable replay test framework support ignoreKeys in response comparison

PiperOrigin-RevId: 738616785

Author: yyyu-google

google/genai/tests/models/test_generate_content.py

@@ -276,7 +276,28 @@ class InstrumentEnum(Enum):
             config=types.GenerateContentConfig(audio_timestamp=True),
         ),
         exception_if_mldev='not supported',
-    )
+    ),
+    pytest_helper.TestTableItem(
+        name='test_response_schema_with_default',
+        parameters=types._GenerateContentParameters(
+            model='gemini-1.5-flash',
+            contents=t.t_contents(None, 'What is your name?'),
+            config={
+                'response_mime_type': 'application/json',
+                'response_schema': {
+                    'type': 'OBJECT',
+                    'properties': {
+                        'name': {
+                            'type': 'STRING',
+                            'default': 'default_name',
+                        },
+                    },
+                },
+            },
+        ),
+        exception_if_mldev='not supported',
+        ignore_keys=['parsed'],
+    ),
 ]
 
 pytestmark = pytest_helper.setup(

google/genai/types.py

@@ -8061,6 +8061,10 @@ class TestTableItem(_common.BaseModel):
       default=None,
       description="""When set to a reason string, this test will be skipped in the API mode. Use this flag for tests that can not be reproduced with the real API. E.g. a test that deletes a resource.""",
   )
+  ignore_keys: Optional[list[str]] = Field(
+      default=None,
+      description="""Keys to ignore when comparing the request and response. This is useful for tests that are not deterministic.""",
+  )
 
 
 class TestTableItemDict(TypedDict, total=False):
@@ -8086,6 +8090,9 @@ class TestTableItemDict(TypedDict, total=False):
   skip_in_api_mode: Optional[str]
   """When set to a reason string, this test will be skipped in the API mode. Use this flag for tests that can not be reproduced with the real API. E.g. a test that deletes a resource."""
 
+  ignore_keys: Optional[list[str]]
+  """Keys to ignore when comparing the request and response. This is useful for tests that are not deterministic."""
+
 
 TestTableItemOrDict = Union[TestTableItem, TestTableItemDict]