mirror of
https://github.com/AstrBotDevs/AstrBot
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104 lines
3.5 KiB
Python
104 lines
3.5 KiB
Python
"""Tests for EstimateTokenCounter multimodal support."""
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from astrbot.core.agent.context.token_counter import (
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AUDIO_TOKEN_ESTIMATE,
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IMAGE_TOKEN_ESTIMATE,
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EstimateTokenCounter,
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)
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from astrbot.core.agent.message import (
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AudioURLPart,
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ImageURLPart,
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Message,
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TextPart,
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ThinkPart,
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)
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counter = EstimateTokenCounter()
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def _msg(role: str, content) -> Message:
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return Message(role=role, content=content)
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class TestTextCounting:
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def test_plain_string(self):
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tokens = counter.count_tokens([_msg("user", "hello world")])
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assert tokens > 0
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def test_chinese(self):
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# 中文字符权重更高
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en = counter.count_tokens([_msg("user", "abc")])
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zh = counter.count_tokens([_msg("user", "你好啊")])
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assert zh > en
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def test_text_part(self):
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msg = _msg("user", [TextPart(text="hello")])
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assert counter.count_tokens([msg]) > 0
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class TestMultimodalCounting:
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def test_image_counted(self):
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msg = _msg("user", [
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ImageURLPart(image_url=ImageURLPart.ImageURL(url="data:image/png;base64,abc")),
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])
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tokens = counter.count_tokens([msg])
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assert tokens == IMAGE_TOKEN_ESTIMATE
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def test_audio_counted(self):
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msg = _msg("user", [
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AudioURLPart(audio_url=AudioURLPart.AudioURL(url="https://x.com/a.mp3")),
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])
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tokens = counter.count_tokens([msg])
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assert tokens == AUDIO_TOKEN_ESTIMATE
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def test_think_counted(self):
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msg = _msg("assistant", [ThinkPart(think="let me think about this")])
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tokens = counter.count_tokens([msg])
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assert tokens > 0
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def test_mixed_content(self):
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"""文本 + 图片的多模态消息,token 数 = 文本 token + 图片估算｡"""
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text_only = _msg("user", [TextPart(text="describe this image")])
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mixed = _msg("user", [
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TextPart(text="describe this image"),
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ImageURLPart(image_url=ImageURLPart.ImageURL(url="data:image/png;base64,x")),
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])
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text_tokens = counter.count_tokens([text_only])
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mixed_tokens = counter.count_tokens([mixed])
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assert mixed_tokens == text_tokens + IMAGE_TOKEN_ESTIMATE
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def test_multiple_images(self):
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"""多张图片应该各自计算｡"""
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msg = _msg("user", [
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ImageURLPart(image_url=ImageURLPart.ImageURL(url="data:image/png;base64,a")),
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ImageURLPart(image_url=ImageURLPart.ImageURL(url="data:image/png;base64,b")),
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ImageURLPart(image_url=ImageURLPart.ImageURL(url="data:image/png;base64,c")),
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])
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tokens = counter.count_tokens([msg])
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assert tokens == IMAGE_TOKEN_ESTIMATE * 3
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class TestTrustedUsage:
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def test_trusted_overrides(self):
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"""如果 API 返回了 token 数,直接用它不做估算｡"""
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msg = _msg("user", [
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TextPart(text="hello"),
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ImageURLPart(image_url=ImageURLPart.ImageURL(url="data:image/png;base64,x")),
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])
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tokens = counter.count_tokens([msg], trusted_token_usage=42)
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assert tokens == 42
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class TestToolCalls:
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def test_tool_calls_counted(self):
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msg = Message(
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role="assistant",
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content="calling tool",
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tool_calls=[{"type": "function", "id": "1", "function": {"name": "get_weather", "arguments": '{"city": "Beijing"}'}}],
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)
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tokens = counter.count_tokens([msg])
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# 文本 + tool call JSON 都应被计算
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text_only = counter.count_tokens([_msg("assistant", "calling tool")])
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assert tokens > text_only
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