Files
mcp-python-sdk/tests/server/fastmcp/prompts/test_manager.py
David Soria Parra 557e90d2e7 Integrate FastMCP
This commit integrates FastMCP, a high-level MCP server implementation originally written by Jeremiah Lowin,
into the official MCP SDK. It also updates dependencies and adds new dev dependencies.
It moves the existing SDK into a .lowlevel .
2024-12-21 00:41:38 +00:00

108 lines
3.4 KiB
Python

import pytest
from mcp.server.fastmcp.prompts.base import UserMessage, TextContent, Prompt
from mcp.server.fastmcp.prompts.manager import PromptManager
class TestPromptManager:
def test_add_prompt(self):
"""Test adding a prompt to the manager."""
def fn() -> str:
return "Hello, world!"
manager = PromptManager()
prompt = Prompt.from_function(fn)
added = manager.add_prompt(prompt)
assert added == prompt
assert manager.get_prompt("fn") == prompt
def test_add_duplicate_prompt(self, caplog):
"""Test adding the same prompt twice."""
def fn() -> str:
return "Hello, world!"
manager = PromptManager()
prompt = Prompt.from_function(fn)
first = manager.add_prompt(prompt)
second = manager.add_prompt(prompt)
assert first == second
assert "Prompt already exists" in caplog.text
def test_disable_warn_on_duplicate_prompts(self, caplog):
"""Test disabling warning on duplicate prompts."""
def fn() -> str:
return "Hello, world!"
manager = PromptManager(warn_on_duplicate_prompts=False)
prompt = Prompt.from_function(fn)
first = manager.add_prompt(prompt)
second = manager.add_prompt(prompt)
assert first == second
assert "Prompt already exists" not in caplog.text
def test_list_prompts(self):
"""Test listing all prompts."""
def fn1() -> str:
return "Hello, world!"
def fn2() -> str:
return "Goodbye, world!"
manager = PromptManager()
prompt1 = Prompt.from_function(fn1)
prompt2 = Prompt.from_function(fn2)
manager.add_prompt(prompt1)
manager.add_prompt(prompt2)
prompts = manager.list_prompts()
assert len(prompts) == 2
assert prompts == [prompt1, prompt2]
async def test_render_prompt(self):
"""Test rendering a prompt."""
def fn() -> str:
return "Hello, world!"
manager = PromptManager()
prompt = Prompt.from_function(fn)
manager.add_prompt(prompt)
messages = await manager.render_prompt("fn")
assert messages == [
UserMessage(content=TextContent(type="text", text="Hello, world!"))
]
async def test_render_prompt_with_args(self):
"""Test rendering a prompt with arguments."""
def fn(name: str) -> str:
return f"Hello, {name}!"
manager = PromptManager()
prompt = Prompt.from_function(fn)
manager.add_prompt(prompt)
messages = await manager.render_prompt("fn", arguments={"name": "World"})
assert messages == [
UserMessage(content=TextContent(type="text", text="Hello, World!"))
]
async def test_render_unknown_prompt(self):
"""Test rendering a non-existent prompt."""
manager = PromptManager()
with pytest.raises(ValueError, match="Unknown prompt: unknown"):
await manager.render_prompt("unknown")
async def test_render_prompt_with_missing_args(self):
"""Test rendering a prompt with missing required arguments."""
def fn(name: str) -> str:
return f"Hello, {name}!"
manager = PromptManager()
prompt = Prompt.from_function(fn)
manager.add_prompt(prompt)
with pytest.raises(ValueError, match="Missing required arguments"):
await manager.render_prompt("fn")