feat: add the delete method for the Agent Engine Task Store Service

tests/unit/vertexai/genai/replays/test_delete_agent_engine_a2a_task.py

@@ -0,0 +1,96 @@
+# Copyright 2026 Google LLC
+#
+# 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.
+#
+# pylint: disable=protected-access,bad-continuation,missing-function-docstring
+
+from tests.unit.vertexai.genai.replays import pytest_helper
+from vertexai._genai import types
+from google.genai import errors
+import pytest
+
+
+def test_get_a2a_task(client):
+    # Use the autopush environment.
+    client._api_client._http_options.base_url = (
+        "https://us-central1-autopush-aiplatform.sandbox.googleapis.com/"
+    )
+    agent_engine = client.agent_engines.create()
+    assert isinstance(agent_engine, types.AgentEngine)
+    assert isinstance(agent_engine.api_resource, types.ReasoningEngine)
+    # Use the internal API version for internal API access.
+    client._api_client._http_options.api_version = "internal"
+
+    created_task = client.agent_engines.a2a_tasks.create(
+        name=agent_engine.api_resource.name,
+        a2a_task_id="task123",
+        config=types.CreateAgentEngineTaskConfig(context_id="context123"),
+    )
+    assert isinstance(created_task, types.A2aTask)
+
+    # Test validity check.
+    task = client.agent_engines.a2a_tasks.get(
+        name=created_task.name,
+    )
+    assert task.name == f"{agent_engine.api_resource.name}/a2aTasks/task123"
+
+    client.agent_engines.a2a_tasks.delete(name=created_task.name)
+
+    with pytest.raises(errors.ClientError, match="404 NOT_FOUND"):
+        client.agent_engines.a2a_tasks.get(name=created_task.name)
+
+    # Clean up resources.
+    client.agent_engines.delete(name=agent_engine.api_resource.name, force=True)
+
+
+pytestmark = pytest_helper.setup(
+    file=__file__,
+    globals_for_file=globals(),
+)
+
+
+pytest_plugins = ("pytest_asyncio",)
+
+
+@pytest.mark.asyncio
+async def test_get_a2a_task_async(client):
+    # Use the autopush environment.
+    client.aio._api_client._http_options.base_url = (
+        "https://us-central1-autopush-aiplatform.sandbox.googleapis.com/"
+    )
+    agent_engine = client.agent_engines.create()
+    assert isinstance(agent_engine, types.AgentEngine)
+    assert isinstance(agent_engine.api_resource, types.ReasoningEngine)
+    # Use the internal API version for internal API access.
+    client.aio._api_client._http_options.api_version = "internal"
+
+    created_task = await client.aio.agent_engines.a2a_tasks.create(
+        name=agent_engine.api_resource.name,
+        a2a_task_id="task123",
+        config=types.CreateAgentEngineTaskConfig(context_id="context123"),
+    )
+    assert isinstance(created_task, types.A2aTask)
+
+    # Test validity check.
+    task = await client.aio.agent_engines.a2a_tasks.get(
+        name=created_task.name,
+    )
+    assert task.name == f"{agent_engine.api_resource.name}/a2aTasks/task123"
+
+    await client.aio.agent_engines.a2a_tasks.delete(name=created_task.name)
+
+    with pytest.raises(errors.ClientError, match="404 NOT_FOUND"):
+        await client.aio.agent_engines.a2a_tasks.get(name=created_task.name)
+
+    # Clean up resources.
+    client.agent_engines.delete(name=agent_engine.api_resource.name, force=True)

vertexai/_genai/a2a_tasks.py

@@ -80,6 +80,17 @@ def _CreateAgentEngineTaskRequestParameters_to_vertex(
     return to_object
 
 
+def _DeleteAgentEngineTaskRequestParameters_to_vertex(
+    from_object: Union[dict[str, Any], object],
+    parent_object: Optional[dict[str, Any]] = None,
+) -> dict[str, Any]:
+    to_object: dict[str, Any] = {}
+    if getv(from_object, ["name"]) is not None:
+        setv(to_object, ["_url", "name"], getv(from_object, ["name"]))
+
+    return to_object
+
+
 def _GetAgentEngineTaskRequestParameters_to_vertex(
     from_object: Union[dict[str, Any], object],
     parent_object: Optional[dict[str, Any]] = None,
@@ -128,6 +139,62 @@ def _ListAgentEngineTasksRequestParameters_to_vertex(
 
 class A2aTasks(_api_module.BaseModule):
 
+    def delete(
+        self,
+        *,
+        name: str,
+        config: Optional[types.DeleteAgentEngineTaskConfigOrDict] = None,
+    ) -> None:
+        """
+        Deletes an agent engine task.
+
+        Args:
+            name (str): Required. The name of the Agent Engine task to delete. Format:
+                `projects/{project}/locations/{location}/reasoningEngines/{resource_id}/a2aTasks/{task_id}`.
+            config (DeleteAgentEngineTaskConfig):
+                Optional. Additional configurations for deleting the Agent Engine task.
+
+        Returns:
+            None
+
+        """
+
+        parameter_model = types._DeleteAgentEngineTaskRequestParameters(
+            name=name,
+            config=config,
+        )
+
+        request_url_dict: Optional[dict[str, str]]
+        if not self._api_client.vertexai:
+            raise ValueError("This method is only supported in the Vertex AI client.")
+        else:
+            request_dict = _DeleteAgentEngineTaskRequestParameters_to_vertex(
+                parameter_model
+            )
+            request_url_dict = request_dict.get("_url")
+            if request_url_dict:
+                path = "{name}".format_map(request_url_dict)
+            else:
+                path = "{name}"
+
+        query_params = request_dict.get("_query")
+        if query_params:
+            path = f"{path}?{urlencode(query_params)}"
+        # TODO: remove the hack that pops config.
+        request_dict.pop("config", None)
+
+        http_options: Optional[types.HttpOptions] = None
+        if (
+            parameter_model.config is not None
+            and parameter_model.config.http_options is not None
+        ):
+            http_options = parameter_model.config.http_options
+
+        request_dict = _common.convert_to_dict(request_dict)
+        request_dict = _common.encode_unserializable_types(request_dict)
+
+        self._api_client.request("delete", path, request_dict, http_options)
+
     def get(
         self,
         *,
@@ -372,6 +439,62 @@ def events(self) -> "a2a_task_events_module.A2aTaskEvents":
 
 class AsyncA2aTasks(_api_module.BaseModule):
 
+    async def delete(
+        self,
+        *,
+        name: str,
+        config: Optional[types.DeleteAgentEngineTaskConfigOrDict] = None,
+    ) -> None:
+        """
+        Deletes an agent engine task.
+
+        Args:
+            name (str): Required. The name of the Agent Engine task to delete. Format:
+                `projects/{project}/locations/{location}/reasoningEngines/{resource_id}/a2aTasks/{task_id}`.
+            config (DeleteAgentEngineTaskConfig):
+                Optional. Additional configurations for deleting the Agent Engine task.
+
+        Returns:
+            None
+
+        """
+
+        parameter_model = types._DeleteAgentEngineTaskRequestParameters(
+            name=name,
+            config=config,
+        )
+
+        request_url_dict: Optional[dict[str, str]]
+        if not self._api_client.vertexai:
+            raise ValueError("This method is only supported in the Vertex AI client.")
+        else:
+            request_dict = _DeleteAgentEngineTaskRequestParameters_to_vertex(
+                parameter_model
+            )
+            request_url_dict = request_dict.get("_url")
+            if request_url_dict:
+                path = "{name}".format_map(request_url_dict)
+            else:
+                path = "{name}"
+
+        query_params = request_dict.get("_query")
+        if query_params:
+            path = f"{path}?{urlencode(query_params)}"
+        # TODO: remove the hack that pops config.
+        request_dict.pop("config", None)
+
+        http_options: Optional[types.HttpOptions] = None
+        if (
+            parameter_model.config is not None
+            and parameter_model.config.http_options is not None
+        ):
+            http_options = parameter_model.config.http_options
+
+        request_dict = _common.convert_to_dict(request_dict)
+        request_dict = _common.encode_unserializable_types(request_dict)
+
+        await self._api_client.async_request("delete", path, request_dict, http_options)
+
     async def get(
         self,
         *,

vertexai/_genai/types/__init__.py

@@ -45,6 +45,7 @@
 from .common import _DeleteAgentEngineRequestParameters
 from .common import _DeleteAgentEngineSandboxRequestParameters
 from .common import _DeleteAgentEngineSessionRequestParameters
+from .common import _DeleteAgentEngineTaskRequestParameters
 from .common import _DeleteDatasetRequestParameters
 from .common import _DeleteMultimodalDatasetRequestParameters
 from .common import _DeletePromptVersionRequestParameters
@@ -301,6 +302,9 @@
 from .common import DeleteAgentEngineSessionOperation
 from .common import DeleteAgentEngineSessionOperationDict
 from .common import DeleteAgentEngineSessionOperationOrDict
+from .common import DeleteAgentEngineTaskConfig
+from .common import DeleteAgentEngineTaskConfigDict
+from .common import DeleteAgentEngineTaskConfigOrDict
 from .common import DeletePromptConfig
 from .common import DeletePromptConfigDict
 from .common import DeletePromptConfigOrDict
@@ -1148,6 +1152,9 @@
 from .common import WorkerPoolSpecOrDict
 
 __all__ = [
+    "DeleteAgentEngineTaskConfig",
+    "DeleteAgentEngineTaskConfigDict",
+    "DeleteAgentEngineTaskConfigOrDict",
     "GetAgentEngineTaskConfig",
     "GetAgentEngineTaskConfigDict",
     "GetAgentEngineTaskConfigOrDict",
@@ -2172,6 +2179,7 @@
     "MessageDict",
     "Importance",
     "ParsedResponseUnion",
+    "_DeleteAgentEngineTaskRequestParameters",
     "_GetAgentEngineTaskRequestParameters",
     "_ListAgentEngineTasksRequestParameters",
     "_CreateAgentEngineTaskRequestParameters",

vertexai/_genai/types/common.py

@@ -422,6 +422,52 @@ class OptimizationMethod(_common.CaseInSensitiveEnum):
     """The data driven prompt optimizer designer for prompts from Android core API."""
 
 
+class DeleteAgentEngineTaskConfig(_common.BaseModel):
+    """Config for deleting an Agent Engine Task."""
+
+    http_options: Optional[genai_types.HttpOptions] = Field(
+        default=None, description="""Used to override HTTP request options."""
+    )
+
+
+class DeleteAgentEngineTaskConfigDict(TypedDict, total=False):
+    """Config for deleting an Agent Engine Task."""
+
+    http_options: Optional[genai_types.HttpOptionsDict]
+    """Used to override HTTP request options."""
+
+
+DeleteAgentEngineTaskConfigOrDict = Union[
+    DeleteAgentEngineTaskConfig, DeleteAgentEngineTaskConfigDict
+]
+
+
+class _DeleteAgentEngineTaskRequestParameters(_common.BaseModel):
+    """Parameters for deleting an agent engine task."""
+
+    name: Optional[str] = Field(
+        default=None, description="""Name of the agent engine task."""
+    )
+    config: Optional[DeleteAgentEngineTaskConfig] = Field(
+        default=None, description=""""""
+    )
+
+
+class _DeleteAgentEngineTaskRequestParametersDict(TypedDict, total=False):
+    """Parameters for deleting an agent engine task."""
+
+    name: Optional[str]
+    """Name of the agent engine task."""
+
+    config: Optional[DeleteAgentEngineTaskConfigDict]
+    """"""
+
+
+_DeleteAgentEngineTaskRequestParametersOrDict = Union[
+    _DeleteAgentEngineTaskRequestParameters, _DeleteAgentEngineTaskRequestParametersDict
+]
+
+
 class GetAgentEngineTaskConfig(_common.BaseModel):
     """Config for getting an Agent Engine Task."""