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92 lines
3.2 KiB
Python
92 lines
3.2 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest import mock
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from google.adk.cli.utils import agent_loader
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from google.adk.cli.utils.agent_change_handler import AgentChangeEventHandler
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from google.adk.cli.utils.shared_value import SharedValue
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import pytest
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from watchdog.events import FileModifiedEvent
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class TestAgentChangeEventHandler:
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"""Unit tests for AgentChangeEventHandler file extension filtering."""
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@pytest.fixture
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def mock_agent_loader(self):
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"""Create a mock AgentLoader constrained to the public API."""
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return mock.create_autospec(
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agent_loader.AgentLoader, instance=True, spec_set=True
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)
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@pytest.fixture
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def handler(self, mock_agent_loader):
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"""Create an AgentChangeEventHandler with mocked dependencies."""
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runners_to_clean = set()
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current_app_name_ref = SharedValue(value="test_agent")
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return AgentChangeEventHandler(
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agent_loader=mock_agent_loader,
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runners_to_clean=runners_to_clean,
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current_app_name_ref=current_app_name_ref,
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)
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@pytest.mark.parametrize(
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"file_path",
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[
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pytest.param("/path/to/agent.py", id="python_file"),
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pytest.param("/path/to/config.yaml", id="yaml_file"),
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pytest.param("/path/to/config.yml", id="yml_file"),
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],
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)
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def test_on_modified_triggers_reload_for_supported_extensions(
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self, handler, mock_agent_loader, file_path
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):
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"""Verify that .py, .yaml, and .yml files trigger agent reload."""
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event = FileModifiedEvent(src_path=file_path)
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handler.on_modified(event)
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mock_agent_loader.remove_agent_from_cache.assert_called_once_with(
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"test_agent"
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)
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assert (
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"test_agent" in handler.runners_to_clean
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), f"Expected 'test_agent' in runners_to_clean for {file_path}"
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@pytest.mark.parametrize(
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"file_path",
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[
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pytest.param("/path/to/file.json", id="json_file"),
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pytest.param("/path/to/file.txt", id="txt_file"),
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pytest.param("/path/to/file.md", id="markdown_file"),
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pytest.param("/path/to/file.toml", id="toml_file"),
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pytest.param("/path/to/.gitignore", id="gitignore_file"),
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pytest.param("/path/to/file", id="no_extension"),
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],
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)
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def test_on_modified_ignores_unsupported_extensions(
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self, handler, mock_agent_loader, file_path
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):
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"""Verify that non-py/yaml/yml files do not trigger reload."""
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event = FileModifiedEvent(src_path=file_path)
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handler.on_modified(event)
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mock_agent_loader.remove_agent_from_cache.assert_not_called()
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assert not handler.runners_to_clean, (
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f"Expected runners_to_clean to be empty for {file_path}, "
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f"got {handler.runners_to_clean}"
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)
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