python-sdk/tests/test_examples.py at main · evalstate/python-sdk · GitHub

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"""Tests for example servers"""

# TODO(Marcelo): The `examples` directory needs to be importable as a package.

# pyright: reportMissingImports=false

# pyright: reportUnknownVariableType=false

# pyright: reportUnknownArgumentType=false

# pyright: reportUnknownMemberType=false

import sys

from pathlib import Path

import pytest

from inline_snapshot import snapshot

from pytest_examples import CodeExample, EvalExample, find_examples

from mcp import Client

from mcp.types import CallToolResult, TextContent, TextResourceContents

@pytest.mark.anyio

async def test_simple_echo():

"""Test the simple echo server"""

from examples.mcpserver.simple_echo import mcp

async with Client(mcp) as client:

result = await client.call_tool("echo", {"text": "hello"})

assert result == snapshot(

CallToolResult(content=[TextContent(text="hello")], structured_content={"result": "hello"})

)

@pytest.mark.anyio

async def test_complex_inputs():

"""Test the complex inputs server"""

from examples.mcpserver.complex_inputs import mcp

async with Client(mcp) as client:

tank = {"shrimp": [{"name": "bob"}, {"name": "alice"}]}

result = await client.call_tool("name_shrimp", {"tank": tank, "extra_names": ["charlie"]})

assert result == snapshot(

CallToolResult(

content=[

TextContent(text="bob"),

TextContent(text="alice"),

TextContent(text="charlie"),

structured_content={"result": ["bob", "alice", "charlie"]},

)

@pytest.mark.anyio

async def test_direct_call_tool_result_return():

"""Test the CallToolResult echo server"""

from examples.mcpserver.direct_call_tool_result_return import mcp

async with Client(mcp) as client:

result = await client.call_tool("echo", {"text": "hello"})

assert result == snapshot(

CallToolResult(

meta={"some": "metadata"}, # type: ignore[reportUnknownMemberType]

content=[TextContent(text="hello")],

structured_content={"text": "hello"},

)

@pytest.mark.anyio

async def test_desktop(monkeypatch: pytest.MonkeyPatch):

"""Test the desktop server"""

# Mock desktop directory listing

mock_files = [Path("/fake/path/file1.txt"), Path("/fake/path/file2.txt")]

monkeypatch.setattr(Path, "iterdir", lambda self: mock_files) # type: ignore[reportUnknownArgumentType]

monkeypatch.setattr(Path, "home", lambda: Path("/fake/home"))

from examples.mcpserver.desktop import mcp

async with Client(mcp) as client:

# Test the sum function

result = await client.call_tool("sum", {"a": 1, "b": 2})

assert result == snapshot(CallToolResult(content=[TextContent(text="3")], structured_content={"result": 3}))

# Test the desktop resource

result = await client.read_resource("dir://desktop")

assert len(result.contents) == 1

content = result.contents[0]

assert isinstance(content, TextResourceContents)

assert isinstance(content.text, str)

if sys.platform == "win32": # pragma: no cover

file_1 = "/fake/path/file1.txt".replace("/", "\\\\") # might be a bug

file_2 = "/fake/path/file2.txt".replace("/", "\\\\") # might be a bug

assert file_1 in content.text

assert file_2 in content.text

# might be a bug, but the test is passing

else: # pragma: lax no cover

assert "/fake/path/file1.txt" in content.text

assert "/fake/path/file2.txt" in content.text

# TODO(v2): Change back to README.md when v2 is released

@pytest.mark.parametrize("example", find_examples("README.v2.md"), ids=str)

def test_docs_examples(example: CodeExample, eval_example: EvalExample):

ruff_ignore: list[str] = ["F841", "I001", "F821"] # F821: undefined names (snippets lack imports)

# Use project's actual line length of 120

eval_example.set_config(ruff_ignore=ruff_ignore, target_version="py310", line_length=120)

# Use Ruff for both formatting and linting (skip Black)

if eval_example.update_examples: # pragma: no cover

eval_example.format_ruff(example)

else:

eval_example.lint_ruff(example)

python-sdk/tests/test_examples.py at main · evalstate/python-sdk · GitHub

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