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import httpx
import pytest
from fastmcp.client import Client
from fastmcp.experimental.server.openapi import FastMCPOpenAPI
class TestParameterHandling:
"""Test OpenAPI parameter handling features."""
@pytest.fixture
def parameter_spec(self):
"""OpenAPI spec with various parameter types."""
return {
"openapi": "3.0.0",
"info": {"title": "Parameter Test API", "version": "1.0.0"},
"servers": [{"url": "https://api.example.com"}],
"paths": {
"/search": {
"get": {
"operationId": "search_items",
"summary": "Search items",
"parameters": [
{
"name": "query",
"in": "query",
"required": True,
"schema": {"type": "string"},
"description": "Search query",
},
{
"name": "limit",
"in": "query",
"required": False,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 100,
},
"description": "Maximum number of results",
},
{
"name": "tags",
"in": "query",
"required": False,
"schema": {
"type": "array",
"items": {"type": "string"},
},
"style": "form",
"explode": True,
"description": "Filter by tags",
},
{
"name": "X-API-Key",
"in": "header",
"required": True,
"schema": {"type": "string"},
"description": "API key for authentication",
},
],
"responses": {
"200": {
"description": "Search results",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"items": {
"type": "array",
"items": {"type": "object"},
},
"total": {"type": "integer"},
},
}
}
},
}
},
}
},
"/users/{id}/posts/{post_id}": {
"get": {
"operationId": "get_user_post",
"summary": "Get specific user post",
"parameters": [
{
"name": "id",
"in": "path",
"required": True,
"schema": {"type": "integer"},
"description": "User ID",
},
{
"name": "post_id",
"in": "path",
"required": True,
"schema": {"type": "integer"},
"description": "Post ID",
},
],
"responses": {
"200": {
"description": "User post",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"id": {"type": "integer"},
"title": {"type": "string"},
"content": {"type": "string"},
},
}
}
},
}
},
}
},
},
}
@pytest.mark.asyncio
async def test_query_parameters_in_tools(self, parameter_spec):
"""Test that query parameters are properly included in tool parameters."""
async with httpx.AsyncClient(base_url="https://api.example.com") as client:
server = FastMCPOpenAPI(
openapi_spec=parameter_spec, client=client, name="Parameter Test Server"
)
async with Client(server) as mcp_client:
tools = await mcp_client.list_tools()
# Find the search tool
search_tool = next(
tool for tool in tools if tool.name == "search_items"
)
assert search_tool is not None
# Check that parameters are included in the tool's input schema
params = search_tool.inputSchema
assert params["type"] == "object"
properties = params["properties"]
# Check that key parameters are present
# (Schema details may vary based on implementation)
assert "query" in properties
assert "limit" in properties
assert "tags" in properties
assert "X-API-Key" in properties
# Check that required parameters are marked as required
required = params.get("required", [])
assert "query" in required
assert "X-API-Key" in required
@pytest.mark.asyncio
async def test_path_parameters_in_tools(self, parameter_spec):
"""Test that path parameters are properly included in tool parameters."""
async with httpx.AsyncClient(base_url="https://api.example.com") as client:
server = FastMCPOpenAPI(
openapi_spec=parameter_spec, client=client, name="Parameter Test Server"
)
async with Client(server) as mcp_client:
tools = await mcp_client.list_tools()
# Find the user post tool
user_post_tool = next(
tool for tool in tools if tool.name == "get_user_post"
)
assert user_post_tool is not None
# Check that path parameters are included
params = user_post_tool.inputSchema
properties = params["properties"]
# Check that path parameters are present
assert "id" in properties
assert "post_id" in properties
# Path parameters should be required
required = params.get("required", [])
assert "id" in required
assert "post_id" in required
class TestRequestBodyHandling:
"""Test OpenAPI request body handling."""
@pytest.fixture
def request_body_spec(self):
"""OpenAPI spec with request body."""
return {
"openapi": "3.0.0",
"info": {"title": "Request Body Test API", "version": "1.0.0"},
"servers": [{"url": "https://api.example.com"}],
"paths": {
"/users": {
"post": {
"operationId": "create_user",
"summary": "Create a user",
"requestBody": {
"required": True,
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "User's full name",
},
"email": {
"type": "string",
"format": "email",
"description": "User's email address",
},
"age": {
"type": "integer",
"minimum": 0,
"maximum": 150,
"description": "User's age",
},
"preferences": {
"type": "object",
"properties": {
"theme": {"type": "string"},
"notifications": {
"type": "boolean"
},
},
"description": "User preferences",
},
},
"required": ["name", "email"],
}
}
},
},
"responses": {
"201": {
"description": "User created",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"id": {"type": "integer"},
"name": {"type": "string"},
"email": {"type": "string"},
},
}
}
},
}
},
}
}
},
}
@pytest.mark.asyncio
async def test_request_body_properties_in_tool(self, request_body_spec):
"""Test that request body properties are included in tool parameters."""
async with httpx.AsyncClient(base_url="https://api.example.com") as client:
server = FastMCPOpenAPI(
openapi_spec=request_body_spec,
client=client,
name="Request Body Test Server",
)
async with Client(server) as mcp_client:
tools = await mcp_client.list_tools()
# Find the create user tool
create_tool = next(tool for tool in tools if tool.name == "create_user")
assert create_tool is not None
# Check that request body properties are included
params = create_tool.inputSchema
properties = params["properties"]
# Check that request body properties are present
assert "name" in properties
assert "email" in properties
assert "age" in properties
assert "preferences" in properties
# Check required fields from request body
required = params.get("required", [])
assert "name" in required
assert "email" in required
class TestResponseSchemas:
"""Test OpenAPI response schema handling."""
@pytest.fixture
def response_schema_spec(self):
"""OpenAPI spec with detailed response schemas."""
return {
"openapi": "3.0.0",
"info": {"title": "Response Schema Test API", "version": "1.0.0"},
"servers": [{"url": "https://api.example.com"}],
"paths": {
"/users/{id}": {
"get": {
"operationId": "get_user",
"summary": "Get user details",
"parameters": [
{
"name": "id",
"in": "path",
"required": True,
"schema": {"type": "integer"},
}
],
"responses": {
"200": {
"description": "User details retrieved successfully",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"id": {"type": "integer"},
"name": {"type": "string"},
"email": {"type": "string"},
"profile": {
"type": "object",
"properties": {
"bio": {"type": "string"},
"avatar_url": {
"type": "string"
},
},
},
},
"required": ["id", "name", "email"],
}
}
},
},
"404": {
"description": "User not found",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"error": {"type": "string"},
"code": {"type": "integer"},
},
}
}
},
},
},
}
}
},
}
@pytest.mark.asyncio
async def test_tool_has_output_schema(self, response_schema_spec):
"""Test that tools have output schemas from response definitions."""
async with httpx.AsyncClient(base_url="https://api.example.com") as client:
server = FastMCPOpenAPI(
openapi_spec=response_schema_spec,
client=client,
name="Response Schema Test Server",
)
async with Client(server) as mcp_client:
tools = await mcp_client.list_tools()
# Find the get user tool
get_user_tool = next(tool for tool in tools if tool.name == "get_user")
assert get_user_tool is not None
# Check that the tool has an output schema
# Note: output schema might be None if not extracted properly
# Let's just check the tool exists and has basic properties
assert get_user_tool.description is not None
assert get_user_tool.name == "get_user"
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