fix: Adds plugin to save artifacts for issue #2176

PiperOrigin-RevId: 810522939
This commit is contained in:
George Weale
2025-09-23 15:35:48 -07:00
committed by Copybara-Service
parent c944a12e31
commit 657369cffe
6 changed files with 419 additions and 3 deletions
@@ -0,0 +1,297 @@
# Copyright 2025 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.
from __future__ import annotations
from unittest.mock import AsyncMock
from unittest.mock import Mock
from google.adk.agents.invocation_context import InvocationContext
from google.adk.plugins.save_files_as_artifacts_plugin import SaveFilesAsArtifactsPlugin
from google.genai import types
import pytest
class TestSaveFilesAsArtifactsPlugin:
"""Test suite for SaveFilesAsArtifactsPlugin."""
def setup_method(self):
"""Set up test fixtures."""
self.plugin = SaveFilesAsArtifactsPlugin()
# Mock invocation context
self.mock_context = Mock(spec=InvocationContext)
self.mock_context.artifact_service = AsyncMock()
self.mock_context.app_name = "test_app"
self.mock_context.user_id = "test_user"
self.mock_context.invocation_id = "test_invocation_123"
self.mock_context.session = Mock()
self.mock_context.session.id = "test_session"
@pytest.mark.asyncio
async def test_save_files_with_display_name(self):
"""Test saving files when inline_data has display_name."""
# Create a message with inline data
inline_data = types.Blob(
display_name="test_document.pdf",
data=b"test data",
mime_type="application/pdf",
)
original_part = types.Part(inline_data=inline_data)
user_message = types.Content(parts=[original_part])
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Verify artifact was saved with correct filename
self.mock_context.artifact_service.save_artifact.assert_called_once_with(
app_name="test_app",
user_id="test_user",
session_id="test_session",
filename="test_document.pdf",
artifact=original_part,
)
# Verify message was modified with placeholder
assert result.parts[0].text == '[Uploaded Artifact: "test_document.pdf"]'
@pytest.mark.asyncio
async def test_save_files_without_display_name(self):
"""Test saving files when inline_data has no display_name."""
# Create inline data without display_name
inline_data = types.Blob(
display_name=None, data=b"test data", mime_type="application/pdf"
)
original_part = types.Part(inline_data=inline_data)
user_message = types.Content(parts=[original_part])
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Verify artifact was saved with generated filename
expected_filename = "artifact_test_invocation_123_0"
self.mock_context.artifact_service.save_artifact.assert_called_once_with(
app_name="test_app",
user_id="test_user",
session_id="test_session",
filename=expected_filename,
artifact=original_part,
)
# Verify message was modified with generated filename
assert result.parts[0].text == f'[Uploaded Artifact: "{expected_filename}"]'
@pytest.mark.asyncio
async def test_multiple_files_in_message(self):
"""Test handling multiple files in a single message."""
# Create message with multiple inline data parts
inline_data1 = types.Blob(
display_name="file1.txt", data=b"file1 content", mime_type="text/plain"
)
inline_data2 = types.Blob(
display_name="file2.jpg", data=b"file2 content", mime_type="image/jpeg"
)
user_message = types.Content(
parts=[
types.Part(inline_data=inline_data1),
types.Part(text="Some text between files"),
types.Part(inline_data=inline_data2),
]
)
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Verify both artifacts were saved
assert self.mock_context.artifact_service.save_artifact.call_count == 2
# Check first file
first_call = (
self.mock_context.artifact_service.save_artifact.call_args_list[0]
)
assert first_call[1]["filename"] == "file1.txt"
# Check second file
second_call = (
self.mock_context.artifact_service.save_artifact.call_args_list[1]
)
assert second_call[1]["filename"] == "file2.jpg"
# Verify message parts were modified correctly
assert result.parts[0].text == '[Uploaded Artifact: "file1.txt"]'
assert result.parts[1].text == "Some text between files" # Unchanged
assert result.parts[2].text == '[Uploaded Artifact: "file2.jpg"]'
@pytest.mark.asyncio
async def test_no_artifact_service(self):
"""Test behavior when artifact service is not available."""
# Set artifact service to None
self.mock_context.artifact_service = None
inline_data = types.Blob(
display_name="test.pdf", data=b"test data", mime_type="application/pdf"
)
user_message = types.Content(parts=[types.Part(inline_data=inline_data)])
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Should return original message unchanged
assert result == user_message
assert result.parts[0].inline_data == inline_data
@pytest.mark.asyncio
async def test_no_parts_in_message(self):
"""Test behavior when message has no parts."""
user_message = types.Content(parts=[])
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Should return original message unchanged
assert result == user_message
assert result.parts == []
# Should not try to save any artifacts
self.mock_context.artifact_service.save_artifact.assert_not_called()
@pytest.mark.asyncio
async def test_parts_without_inline_data(self):
"""Test behavior with parts that don't have inline_data."""
user_message = types.Content(
parts=[types.Part(text="Hello world"), types.Part(text="No files here")]
)
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Should return original message unchanged
assert result == user_message
assert result.parts[0].text == "Hello world"
assert result.parts[1].text == "No files here"
# Should not try to save any artifacts
self.mock_context.artifact_service.save_artifact.assert_not_called()
@pytest.mark.asyncio
async def test_save_artifact_failure(self):
"""Test behavior when saving artifact fails."""
# Mock save_artifact to raise an exception
self.mock_context.artifact_service.save_artifact.side_effect = Exception(
"Storage error"
)
inline_data = types.Blob(
display_name="test.pdf", data=b"test data", mime_type="application/pdf"
)
original_part = types.Part(inline_data=inline_data)
user_message = types.Content(parts=[original_part])
# Execute the plugin - should not raise exception
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Should preserve original part when saving fails
assert result.parts[0] == original_part
assert result.parts[0].inline_data == inline_data
@pytest.mark.asyncio
async def test_mixed_success_and_failure(self):
"""Test behavior when some files save successfully and others fail."""
# Mock save_artifact to succeed on first call, fail on second
save_calls = 0
def mock_save_artifact(*_args, **_kwargs):
nonlocal save_calls
save_calls += 1
if save_calls == 2:
raise Exception("Storage error on second file")
return AsyncMock()
self.mock_context.artifact_service.save_artifact.side_effect = (
mock_save_artifact
)
inline_data1 = types.Blob(
display_name="success.pdf",
data=b"success data",
mime_type="application/pdf",
)
inline_data2 = types.Blob(
display_name="failure.pdf",
data=b"failure data",
mime_type="application/pdf",
)
original_part2 = types.Part(inline_data=inline_data2)
user_message = types.Content(
parts=[types.Part(inline_data=inline_data1), original_part2]
)
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# First file should be replaced with placeholder
assert result.parts[0].text == '[Uploaded Artifact: "success.pdf"]'
# Second file should remain unchanged due to failure
assert result.parts[1] == original_part2
assert result.parts[1].inline_data == inline_data2
@pytest.mark.asyncio
async def test_placeholder_text_format(self):
"""Test that placeholder text is formatted correctly."""
inline_data = types.Blob(
display_name="test file with spaces.docx",
data=b"document data",
mime_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
)
user_message = types.Content(parts=[types.Part(inline_data=inline_data)])
# Execute the plugin
result = await self.plugin.on_user_message_callback(
invocation_context=self.mock_context, user_message=user_message
)
# Verify exact format of placeholder text
expected_text = '[Uploaded Artifact: "test file with spaces.docx"]'
assert result.parts[0].text == expected_text
def test_plugin_name_default(self):
"""Test that plugin has correct default name."""
plugin = SaveFilesAsArtifactsPlugin()
assert plugin.name == "save_files_as_artifacts_plugin"