paperclip/packages/google-sheets-mcp-server/src/server.test.ts

118 lines
4.2 KiB
TypeScript

import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { InMemoryTransport } from "@modelcontextprotocol/sdk/inMemory.js";
import { CallToolResultSchema, type CallToolResult } from "@modelcontextprotocol/sdk/types.js";
import { describe, expect, it, vi } from "vitest";
import { createGoogleSheetsMcpServer } from "./index.js";
import type { GoogleSheetsClient } from "./google-client.js";
import type { GoogleSheetsMcpConfig } from "./config.js";
const expectedTools = [
"list_spreadsheets",
"get_spreadsheet_info",
"read_values",
"search_rows",
"append_rows",
"update_values",
"add_sheet_tab",
"clear_values",
"delete_rows",
];
function makeConfig(): GoogleSheetsMcpConfig {
return {
serviceAccount: {
client_email: "service@example.test",
private_key: "-----BEGIN PRIVATE KEY-----\nfake\n-----END PRIVATE KEY-----",
},
allowedSpreadsheetIds: ["sheet-1"],
secretRedactions: ["service@example.test", "-----BEGIN PRIVATE KEY-----\nfake\n-----END PRIVATE KEY-----"],
};
}
function makeClient(): GoogleSheetsClient {
return {
listSpreadsheets: vi.fn().mockResolvedValue([
{ spreadsheetId: "sheet-1", title: "Budget", spreadsheetUrl: "https://docs.google.com/spreadsheets/d/sheet-1" },
]),
getSpreadsheetInfo: vi.fn().mockResolvedValue({
spreadsheetId: "sheet-1",
title: "Budget",
spreadsheetUrl: "https://docs.google.com/spreadsheets/d/sheet-1",
sheets: [],
}),
readValues: vi.fn().mockResolvedValue({
spreadsheetId: "sheet-1",
range: "Sheet1!A1:B2",
values: [["name", "amount"], ["paper", 12]],
}),
searchRows: vi.fn().mockResolvedValue({
spreadsheetId: "sheet-1",
range: "Sheet1!A1:B2",
query: "paper",
matches: [{ rowIndex: 2, values: ["paper", 12] }],
}),
appendRows: vi.fn().mockResolvedValue({ spreadsheetId: "sheet-1", range: "Sheet1!A:B", updatedRows: 1 }),
updateValues: vi.fn().mockResolvedValue({ spreadsheetId: "sheet-1", range: "Sheet1!A2:B2", updatedRows: 1 }),
addSheetTab: vi.fn().mockResolvedValue({
spreadsheetId: "sheet-1",
sheet: { sheetId: 1, title: "New", index: 1, rowCount: null, columnCount: null },
}),
clearValues: vi.fn().mockResolvedValue({ spreadsheetId: "sheet-1", range: "Sheet1!A2:B2" }),
deleteRows: vi.fn().mockResolvedValue({ spreadsheetId: "sheet-1", sheetId: 0, deletedRows: 1 }),
};
}
function firstText(result: CallToolResult) {
const block = result.content.find((entry) => entry.type === "text");
return block?.type === "text" ? block.text : "";
}
describe("Google Sheets MCP server protocol", () => {
it("supports tools/list and tools/call over MCP transports with a mocked Google client", async () => {
const googleClient = makeClient();
const { server } = createGoogleSheetsMcpServer(makeConfig(), { client: googleClient });
const mcpClient = new Client({ name: "test-client", version: "0.1.0" }, { capabilities: {} });
const [clientTransport, serverTransport] = InMemoryTransport.createLinkedPair();
await Promise.all([
server.connect(serverTransport),
mcpClient.connect(clientTransport),
]);
try {
const list = await mcpClient.listTools();
expect(list.tools.map((tool) => tool.name)).toEqual(expectedTools);
expect(list.tools.find((tool) => tool.name === "read_values")?.inputSchema).toMatchObject({
type: "object",
properties: {
spreadsheetId: { type: "string" },
range: { type: "string" },
},
required: ["spreadsheetId", "range"],
});
expect(list.tools.find((tool) => tool.name === "delete_rows")?.annotations).toMatchObject({
readOnlyHint: false,
destructiveHint: true,
});
const result = await mcpClient.callTool(
{
name: "read_values",
arguments: {
spreadsheetId: "sheet-1",
range: "Sheet1!A1:B2",
},
},
CallToolResultSchema,
);
expect(googleClient.readValues).toHaveBeenCalledWith("sheet-1", "Sheet1!A1:B2");
expect("content" in result).toBe(true);
expect(firstText(result as CallToolResult)).toContain("paper");
} finally {
await mcpClient.close();
await server.close();
}
});
});