87 lines
3.9 KiB
TypeScript
87 lines
3.9 KiB
TypeScript
import { expect, test } from "bun:test";
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import { join } from "node:path";
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import { Client } from "@modelcontextprotocol/sdk/client/index.js";
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import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
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async function connectMcp(baseUrl: string) {
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const env = { ...process.env, MCP_BACKEND_URL: baseUrl } as Record<string, string>;
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delete env.ADMIN_USERNAME;
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delete env.ADMIN_PASSWORD;
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delete env.MCP_ADMIN_USERNAME;
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delete env.MCP_ADMIN_PASSWORD;
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env.MCP_ADMIN_USERNAME = "contract-test";
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env.MCP_ADMIN_PASSWORD = "contract-test";
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const transport = new StdioClientTransport({
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command: process.execPath,
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args: [join(import.meta.dir, "index.ts")],
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cwd: import.meta.dir,
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env,
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stderr: "pipe",
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});
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const client = new Client({ name: "mcp-contract-test", version: "1.0.0" });
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await client.connect(transport);
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return client;
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}
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test("settings writes send only supported fields and simple product fields are advertised", async () => {
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const writes: unknown[] = [];
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let getSettingsCount = 0;
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const backend = Bun.serve({
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port: 0,
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fetch: async (request) => {
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const path = new URL(request.url).pathname;
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if (path === "/api/auth/login") return Response.json({ token: "contract-token" });
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if (path === "/api/settings/footer-layout" && request.method === "GET") {
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return Response.json({ version: "2026-10-11T00:00:00.000Z", layout: { columns: ["brand", "explore"] } });
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}
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if (path === "/api/settings" && request.method === "GET") {
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getSettingsCount++;
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return Response.json({ brandName: "Old", footerLayout: { columns: [] }, themeTokens: { brandAccent: "#123" } });
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}
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if (path === "/api/settings" && request.method === "PUT") {
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const body = await request.json();
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writes.push(body);
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return Response.json({ ...(body as object), themeTokens: { brandAccent: "#123", ...((body as any).themeTokens ?? {}) } });
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}
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return new Response("Not found", { status: 404 });
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},
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});
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let client: Client | undefined;
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try {
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client = await connectMcp(`http://localhost:${backend.port}/api`);
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const tools = (await client.listTools()).tools;
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expect(tools).toHaveLength(113);
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expect(tools.find((item) => item.name === "get_footer_layout")?.annotations?.readOnlyHint).toBe(true);
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expect(tools.find((item) => item.name === "delete_category_section")?.annotations?.destructiveHint).toBe(true);
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const footerLayout = await client.callTool({ name: "get_footer_layout", arguments: {} });
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expect(footerLayout.isError).toBeFalsy();
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expect(footerLayout.structuredContent).toEqual({ version: "2026-10-11T00:00:00.000Z", layout: { columns: ["brand", "explore"] } });
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for (const name of ["create_product", "bulk_create_products"]) {
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const tool = tools.find((item) => item.name === name);
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expect(tool).toBeDefined();
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const properties = name === "create_product"
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? tool!.inputSchema.properties
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: (tool!.inputSchema.properties?.products as any).items.properties;
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for (const field of ["price", "stock", "sku", "barcode"]) {
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expect(properties?.[field]).toBeDefined();
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}
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}
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expect((await client.callTool({ name: "update_theme_tokens", arguments: { brandPrimary: "#456" } })).isError).toBeFalsy();
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expect((await client.callTool({ name: "update_brand_name", arguments: { brandName: "New" } })).isError).toBeFalsy();
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expect((await client.callTool({ name: "update_footer_content", arguments: { brandDescription: "New footer", socialLinks: { facebookUrl: "https://example.com" } } })).isError).toBeFalsy();
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expect(getSettingsCount).toBe(0);
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expect(writes).toEqual([
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{ themeTokens: { brandPrimary: "#456" } },
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{ brandName: "New" },
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{ footerDescription: "New footer", facebookUrl: "https://example.com" },
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]);
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} finally {
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await client?.close();
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backend.stop();
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}
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});
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