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827 lines
28 KiB
Python
827 lines
28 KiB
Python
# -*- coding: utf-8 -*-
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"""Comprehensive formatter unit tests for MoonshotChatFormatter and
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MoonshotMultiAgentFormatter, following the reference test style with exact
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ground-truth comparisons.
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"""
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import base64
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from unittest import IsolatedAsyncioTestCase
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from unittest.mock import patch, MagicMock
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from agentscope.formatter import (
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MoonshotChatFormatter,
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MoonshotMultiAgentFormatter,
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)
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from agentscope.message import (
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UserMsg,
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AssistantMsg,
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SystemMsg,
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TextBlock,
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DataBlock,
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ToolCallBlock,
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ToolResultBlock,
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ToolResultState,
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Base64Source,
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URLSource,
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ThinkingBlock,
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HintBlock,
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)
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_FIXED_ID = "TESTID1234567"
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class TestMoonshotFormatter(IsolatedAsyncioTestCase):
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"""Comprehensive tests for Moonshot Chat and MultiAgent formatters."""
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async def asyncSetUp(self) -> None:
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"""Set up shared message fixtures and expected ground-truth dicts."""
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_img_src = URLSource(
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url="https://example.com/image.png",
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media_type="image/png",
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)
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self.image_url = str(_img_src.url)
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# The Moonshot formatter downloads remote image URLs and inlines
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# them as base64 data URIs (the Moonshot vision API rejects raw
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# HTTPS URLs). Patch `requests.get` so tests don't hit the network
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# and produce a deterministic payload that matches `image_b64`.
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self.image_b64 = "ZmFrZSBpbWFnZSBkYXRh"
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self.image_bytes = base64.b64decode(self.image_b64)
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self.image_data_uri = f"data:image/png;base64,{self.image_b64}"
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mock_response = MagicMock()
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mock_response.content = self.image_bytes
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mock_response.raise_for_status = MagicMock()
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self._requests_get_patcher = patch(
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"agentscope.formatter._moonshot_formatter.requests.get",
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return_value=mock_response,
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)
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self._requests_get_patcher.start()
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self.addCleanup(self._requests_get_patcher.stop)
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# ---------------------------------------------------------------
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# Message fixtures (no audio to avoid downloads)
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# ---------------------------------------------------------------
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self.msgs_system = [
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SystemMsg(
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name="system",
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content="You're a helpful assistant.",
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),
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]
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self.msgs_conversation = [
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UserMsg(
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name="user",
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content=[
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TextBlock(text="What is the capital of France?"),
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DataBlock(
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source=URLSource(
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url=self.image_url,
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media_type="image/png",
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),
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),
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],
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),
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AssistantMsg(
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name="assistant",
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content="The capital of France is Paris.",
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),
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UserMsg(
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name="user",
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content="What is the capital of Germany?",
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),
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AssistantMsg(
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name="assistant",
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content="The capital of Germany is Berlin.",
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),
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UserMsg(
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name="user",
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content="What is the capital of Japan?",
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),
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]
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self.msgs_tools = [
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AssistantMsg(
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name="assistant",
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content=[
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ToolCallBlock(
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id="call_1",
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name="get_capital",
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input='{"country": "Japan"}',
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),
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ToolResultBlock(
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id="call_1",
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name="get_capital",
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output=[
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TextBlock(text="The capital of Japan is Tokyo."),
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],
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state=ToolResultState.SUCCESS,
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),
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TextBlock(text="The capital of Japan is Tokyo."),
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],
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),
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]
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# ---------------------------------------------------------------
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# Ground truth: MoonshotChatFormatter
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# - Same as OpenAI except ALL assistant messages have an extra
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# "reasoning_content" field (empty string when no ThinkingBlock).
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# ---------------------------------------------------------------
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self.gt_chat = [
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{
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"role": "system",
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"name": "system",
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"content": [
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{"type": "text", "text": "You're a helpful assistant."},
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],
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},
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{
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"role": "user",
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"name": "user",
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"content": [
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{"type": "text", "text": "What is the capital of France?"},
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{
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"type": "image_url",
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"image_url": {"url": self.image_data_uri},
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},
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],
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},
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{
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"role": "assistant",
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"name": "assistant",
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"content": [
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{
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"type": "text",
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"text": "The capital of France is Paris.",
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},
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],
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"reasoning_content": "",
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},
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{
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"role": "user",
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"name": "user",
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"content": [
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{
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"type": "text",
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"text": "What is the capital of Germany?",
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},
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],
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},
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{
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"role": "assistant",
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"name": "assistant",
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"content": [
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{
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"type": "text",
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"text": "The capital of Germany is Berlin.",
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},
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],
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"reasoning_content": "",
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},
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{
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"role": "user",
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"name": "user",
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"content": [
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{"type": "text", "text": "What is the capital of Japan?"},
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],
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},
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{
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"role": "assistant",
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"name": "assistant",
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"content": None,
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"reasoning_content": "",
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"tool_calls": [
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{
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"id": "call_1",
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"type": "function",
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"function": {
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"name": "get_capital",
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"arguments": '{"country": "Japan"}',
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},
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},
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],
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},
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{
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"role": "tool",
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"tool_call_id": "call_1",
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"content": "The capital of Japan is Tokyo.",
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"name": "get_capital",
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},
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{
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"role": "assistant",
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"name": "assistant",
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"content": [
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{"type": "text", "text": "The capital of Japan is Tokyo."},
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],
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"reasoning_content": "",
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},
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]
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# ---------------------------------------------------------------
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# Ground truth: MoonshotMultiAgentFormatter
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# - Same as OpenAI MultiAgent, but tool-sequence assistant messages
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# carry "reasoning_content": "".
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# ---------------------------------------------------------------
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_hist_prompt = (
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MoonshotMultiAgentFormatter().conversation_history_prompt
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)
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_conv_text = (
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"user: What is the capital of France?\n"
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"assistant: The capital of France is Paris.\n"
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"user: What is the capital of Germany?\n"
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"assistant: The capital of Germany is Berlin.\n"
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"user: What is the capital of Japan?"
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)
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self._gt_trailing_asst = {
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"role": "assistant",
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"name": "assistant",
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"content": [
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{
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"type": "text",
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"text": "The capital of Japan is Tokyo.",
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},
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],
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"reasoning_content": "",
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}
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self._gt_tool_call = {
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"role": "assistant",
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"name": "assistant",
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"content": None,
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"reasoning_content": "",
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"tool_calls": [
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{
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"id": "call_1",
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"type": "function",
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"function": {
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"name": "get_capital",
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"arguments": '{"country": "Japan"}',
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},
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},
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],
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}
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self._gt_tool_result = {
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"role": "tool",
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"tool_call_id": "call_1",
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"content": "The capital of Japan is Tokyo.",
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"name": "get_capital",
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}
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self.gt_multiagent = [
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{
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"role": "system",
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"content": "You're a helpful assistant.",
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},
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{
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"role": "user",
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"content": [
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{
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"type": "text",
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"text": (
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_hist_prompt
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+ "<history>\n"
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+ _conv_text
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+ "\n</history>"
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),
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},
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{
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"type": "image_url",
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"image_url": {"url": self.image_data_uri},
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},
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],
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},
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self._gt_tool_call,
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self._gt_tool_result,
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self._gt_trailing_asst,
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]
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# -------------------------------------------------------------------
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# MoonshotChatFormatter tests
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# -------------------------------------------------------------------
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async def test_chat_formatter(self) -> None:
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"""Chat formatter produces exact output for various subsets."""
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fmt = MoonshotChatFormatter()
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# Full history
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res = await fmt.format(
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[*self.msgs_system, *self.msgs_conversation, *self.msgs_tools],
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)
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self.assertListEqual(self.gt_chat, res)
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# Without system
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res = await fmt.format([*self.msgs_conversation, *self.msgs_tools])
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self.assertListEqual(self.gt_chat[1:], res)
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# Without conversation
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n_tools_gt = len(self.gt_chat) - 1 - len(self.msgs_conversation)
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res = await fmt.format([*self.msgs_system, *self.msgs_tools])
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self.assertListEqual(
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[self.gt_chat[0]] + self.gt_chat[-n_tools_gt:],
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res,
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)
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# Without tools
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res = await fmt.format([*self.msgs_system, *self.msgs_conversation])
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self.assertListEqual(self.gt_chat[:-n_tools_gt], res)
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# Empty
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res = await fmt.format([])
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self.assertListEqual([], res)
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async def test_chat_formatter_thinking_to_reasoning_content(
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self,
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) -> None:
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"""ThinkingBlock becomes reasoning_content in Moonshot (Preserved
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Thinking)."""
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fmt = MoonshotChatFormatter()
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msgs = [
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AssistantMsg(
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name="assistant",
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content=[
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ThinkingBlock(thinking="inner thoughts"),
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TextBlock(text="reply"),
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],
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),
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]
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res = await fmt.format(msgs)
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self.assertListEqual(
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[
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{
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"role": "assistant",
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"name": "assistant",
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"content": [{"type": "text", "text": "reply"}],
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"reasoning_content": "inner thoughts",
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},
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],
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res,
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)
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async def test_chat_formatter_assistant_always_has_reasoning_content(
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self,
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) -> None:
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"""All assistant messages always have reasoning_content (even when
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empty)."""
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fmt = MoonshotChatFormatter()
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msgs = [
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AssistantMsg(
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name="assistant",
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content="Hello!",
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),
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]
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res = await fmt.format(msgs)
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self.assertListEqual(
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[
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{
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"role": "assistant",
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"name": "assistant",
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"content": [{"type": "text", "text": "Hello!"}],
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"reasoning_content": "",
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},
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],
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res,
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)
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async def test_chat_formatter_base64_image(self) -> None:
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"""Base64-encoded image is inlined as a data URI."""
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fmt = MoonshotChatFormatter()
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msgs = [
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UserMsg(
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name="user",
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content=[
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TextBlock(text="What's in this image?"),
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DataBlock(
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source=Base64Source(
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data=self.image_b64,
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media_type="image/png",
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),
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),
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],
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),
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]
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res = await fmt.format(msgs)
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self.assertListEqual(
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[
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{
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"role": "user",
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"name": "user",
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"content": [
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{"type": "text", "text": "What's in this image?"},
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{
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"type": "image_url",
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"image_url": {"url": self.image_data_uri},
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},
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],
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},
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],
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res,
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)
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@patch(
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"agentscope.formatter._formatter_base.shortuuid.uuid",
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return_value=_FIXED_ID,
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)
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async def test_chat_formatter_url_image_in_tool_result(
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self,
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_mock_uuid: object,
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) -> None:
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"""URL images in tool results are promoted to a follow-up user
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message."""
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fmt = MoonshotChatFormatter()
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msgs = [
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AssistantMsg(
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name="assistant",
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content=[
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ToolCallBlock(
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id="call_img",
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name="get_map",
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input='{"city": "Tokyo"}',
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),
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ToolResultBlock(
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id="call_img",
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name="get_map",
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output=[
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TextBlock(text="Here is the map."),
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DataBlock(
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source=URLSource(
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url=self.image_url,
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media_type="image/png",
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),
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),
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],
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state=ToolResultState.SUCCESS,
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),
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TextBlock(text="Here is the map of Tokyo."),
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],
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),
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]
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res = await fmt.format(msgs)
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expected_tool_content = (
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"Here is the map.\n"
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f"<system-reminder>A(n) image file is returned "
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f"and will be presented to you with the identifier "
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f"[{_FIXED_ID}].</system-reminder>"
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)
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self.assertListEqual(
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[
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{
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"role": "assistant",
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"name": "assistant",
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"content": None,
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"reasoning_content": "",
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"tool_calls": [
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{
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"id": "call_img",
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"type": "function",
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"function": {
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"name": "get_map",
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"arguments": '{"city": "Tokyo"}',
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},
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},
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],
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},
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{
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"role": "tool",
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"tool_call_id": "call_img",
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"content": expected_tool_content,
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"name": "get_map",
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},
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{
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"role": "user",
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"name": "system-reminder",
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|
"content": [
|
|
{
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"type": "text",
|
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"text": (
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"<system-reminder>The multimodal data "
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|
"and their identifiers are listed as "
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|
"follows:"
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),
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|
},
|
|
{
|
|
"type": "text",
|
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"text": f"- {_FIXED_ID} (image file): ",
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|
},
|
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{
|
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"type": "image_url",
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"image_url": {"url": self.image_data_uri},
|
|
},
|
|
{
|
|
"type": "text",
|
|
"text": "</system-reminder>",
|
|
},
|
|
],
|
|
},
|
|
{
|
|
"role": "assistant",
|
|
"name": "assistant",
|
|
"content": [
|
|
{
|
|
"type": "text",
|
|
"text": "Here is the map of Tokyo.",
|
|
},
|
|
],
|
|
"reasoning_content": "",
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|
},
|
|
],
|
|
res,
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)
|
|
|
|
# -------------------------------------------------------------------
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|
# MoonshotMultiAgentFormatter tests
|
|
# -------------------------------------------------------------------
|
|
|
|
async def test_multiagent_formatter(self) -> None:
|
|
"""MultiAgent formatter produces exact output for various subsets."""
|
|
fmt = MoonshotMultiAgentFormatter()
|
|
|
|
# Full history
|
|
res = await fmt.format(
|
|
[*self.msgs_system, *self.msgs_conversation, *self.msgs_tools],
|
|
)
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|
self.assertListEqual(self.gt_multiagent, res)
|
|
|
|
# Without system
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|
res = await fmt.format([*self.msgs_conversation, *self.msgs_tools])
|
|
self.assertListEqual(self.gt_multiagent[1:], res)
|
|
|
|
# Without tools
|
|
res = await fmt.format([*self.msgs_system, *self.msgs_conversation])
|
|
self.assertListEqual(self.gt_multiagent[:2], res)
|
|
|
|
# System only
|
|
res = await fmt.format(self.msgs_system)
|
|
self.assertListEqual([self.gt_multiagent[0]], res)
|
|
|
|
# Conversation only
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|
res = await fmt.format(self.msgs_conversation)
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self.assertListEqual([self.gt_multiagent[1]], res)
|
|
|
|
# Tools only
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|
res = await fmt.format(self.msgs_tools)
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|
self.assertListEqual(
|
|
[
|
|
self._gt_tool_call,
|
|
self._gt_tool_result,
|
|
self._gt_trailing_asst,
|
|
],
|
|
res,
|
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)
|
|
|
|
# System + tools
|
|
res = await fmt.format([*self.msgs_system, *self.msgs_tools])
|
|
self.assertListEqual(
|
|
[
|
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self.gt_multiagent[0],
|
|
self._gt_tool_call,
|
|
self._gt_tool_result,
|
|
self._gt_trailing_asst,
|
|
],
|
|
res,
|
|
)
|
|
|
|
# Empty
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|
res = await fmt.format([])
|
|
self.assertListEqual([], res)
|
|
|
|
async def test_chat_formatter_complex_multi_step(self) -> None:
|
|
"""Complex multi-step sequence with interleaved thinking, text,
|
|
tool calls, and tool results."""
|
|
fmt = MoonshotChatFormatter()
|
|
msgs = [
|
|
AssistantMsg(
|
|
name="assistant",
|
|
content=[
|
|
ThinkingBlock(thinking="thinking_1"),
|
|
TextBlock(text="text_1"),
|
|
ToolCallBlock(
|
|
id="call_1",
|
|
name="func_1",
|
|
input='{"arg": "value1"}',
|
|
),
|
|
ToolCallBlock(
|
|
id="call_2",
|
|
name="func_2",
|
|
input='{"arg": "value2"}',
|
|
),
|
|
ToolResultBlock(
|
|
id="call_1",
|
|
name="func_1",
|
|
output=[TextBlock(text="result_1")],
|
|
state=ToolResultState.SUCCESS,
|
|
),
|
|
ToolResultBlock(
|
|
id="call_2",
|
|
name="func_2",
|
|
output=[TextBlock(text="result_2")],
|
|
state=ToolResultState.SUCCESS,
|
|
),
|
|
ThinkingBlock(thinking="thinking_2"),
|
|
TextBlock(text="text_2"),
|
|
ToolCallBlock(
|
|
id="call_3",
|
|
name="func_3",
|
|
input='{"arg": "value3"}',
|
|
),
|
|
ToolResultBlock(
|
|
id="call_3",
|
|
name="func_3",
|
|
output=[TextBlock(text="result_3")],
|
|
state=ToolResultState.SUCCESS,
|
|
),
|
|
ToolCallBlock(
|
|
id="call_4",
|
|
name="func_4",
|
|
input='{"arg": "value4"}',
|
|
),
|
|
ToolResultBlock(
|
|
id="call_4",
|
|
name="func_4",
|
|
output=[TextBlock(text="result_4")],
|
|
state=ToolResultState.SUCCESS,
|
|
),
|
|
ThinkingBlock(thinking="thinking_3"),
|
|
TextBlock(text="text_3"),
|
|
],
|
|
),
|
|
]
|
|
res = await fmt.format(msgs)
|
|
self.assertListEqual(
|
|
[
|
|
{
|
|
"role": "assistant",
|
|
"name": "assistant",
|
|
"content": [{"type": "text", "text": "text_1"}],
|
|
"reasoning_content": "thinking_1",
|
|
"tool_calls": [
|
|
{
|
|
"id": "call_1",
|
|
"type": "function",
|
|
"function": {
|
|
"name": "func_1",
|
|
"arguments": '{"arg": "value1"}',
|
|
},
|
|
},
|
|
{
|
|
"id": "call_2",
|
|
"type": "function",
|
|
"function": {
|
|
"name": "func_2",
|
|
"arguments": '{"arg": "value2"}',
|
|
},
|
|
},
|
|
],
|
|
},
|
|
{
|
|
"role": "tool",
|
|
"tool_call_id": "call_1",
|
|
"content": "result_1",
|
|
"name": "func_1",
|
|
},
|
|
{
|
|
"role": "tool",
|
|
"tool_call_id": "call_2",
|
|
"content": "result_2",
|
|
"name": "func_2",
|
|
},
|
|
{
|
|
"role": "assistant",
|
|
"name": "assistant",
|
|
"content": [{"type": "text", "text": "text_2"}],
|
|
"reasoning_content": "thinking_2",
|
|
"tool_calls": [
|
|
{
|
|
"id": "call_3",
|
|
"type": "function",
|
|
"function": {
|
|
"name": "func_3",
|
|
"arguments": '{"arg": "value3"}',
|
|
},
|
|
},
|
|
],
|
|
},
|
|
{
|
|
"role": "tool",
|
|
"tool_call_id": "call_3",
|
|
"content": "result_3",
|
|
"name": "func_3",
|
|
},
|
|
{
|
|
"role": "assistant",
|
|
"name": "assistant",
|
|
"content": None,
|
|
"reasoning_content": "",
|
|
"tool_calls": [
|
|
{
|
|
"id": "call_4",
|
|
"type": "function",
|
|
"function": {
|
|
"name": "func_4",
|
|
"arguments": '{"arg": "value4"}',
|
|
},
|
|
},
|
|
],
|
|
},
|
|
{
|
|
"role": "tool",
|
|
"tool_call_id": "call_4",
|
|
"content": "result_4",
|
|
"name": "func_4",
|
|
},
|
|
{
|
|
"role": "assistant",
|
|
"name": "assistant",
|
|
"content": [{"type": "text", "text": "text_3"}],
|
|
"reasoning_content": "thinking_3",
|
|
},
|
|
],
|
|
res,
|
|
)
|
|
|
|
async def test_chat_formatter_hint_block(self) -> None:
|
|
"""HintBlock flushes preceding content and becomes a user message."""
|
|
fmt = MoonshotChatFormatter()
|
|
msgs = [
|
|
AssistantMsg(
|
|
name="assistant",
|
|
content=[
|
|
TextBlock(text="Let me think about that."),
|
|
HintBlock(hint="Remember to be concise."),
|
|
TextBlock(text="Here is my answer."),
|
|
],
|
|
),
|
|
]
|
|
res = await fmt.format(msgs)
|
|
self.assertListEqual(
|
|
[
|
|
{
|
|
"role": "assistant",
|
|
"name": "assistant",
|
|
"content": [
|
|
{"type": "text", "text": "Let me think about that."},
|
|
],
|
|
"reasoning_content": "",
|
|
},
|
|
{
|
|
"role": "user",
|
|
"content": [
|
|
{"type": "text", "text": "Remember to be concise."},
|
|
],
|
|
},
|
|
{
|
|
"role": "assistant",
|
|
"name": "assistant",
|
|
"content": [
|
|
{"type": "text", "text": "Here is my answer."},
|
|
],
|
|
"reasoning_content": "",
|
|
},
|
|
],
|
|
res,
|
|
)
|
|
|
|
async def test_chat_formatter_hint_block_multimodal(self) -> None:
|
|
"""Multimodal HintBlock becomes a single user message with text +
|
|
image."""
|
|
fmt = MoonshotChatFormatter()
|
|
msgs = [
|
|
AssistantMsg(
|
|
name="assistant",
|
|
content=[
|
|
HintBlock(
|
|
hint=[
|
|
TextBlock(text="Inspect this screenshot:"),
|
|
DataBlock(
|
|
source=Base64Source(
|
|
data=self.image_b64,
|
|
media_type="image/png",
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
]
|
|
res = await fmt.format(msgs)
|
|
self.assertListEqual(
|
|
[
|
|
{
|
|
"role": "user",
|
|
"content": [
|
|
{
|
|
"type": "text",
|
|
"text": "Inspect this screenshot:",
|
|
},
|
|
{
|
|
"type": "image_url",
|
|
"image_url": {"url": self.image_data_uri},
|
|
},
|
|
],
|
|
},
|
|
],
|
|
res,
|
|
)
|