import {
describe, it, expect, beforeEach, afterEach,
} from 'vitest';
import * as fs from 'node:fs/promises';
import * as os from 'node:os';
import * as path from 'node:path';
import {getRegisteredTool} from './_test-utils.js';
type CreateArgs = {path: string; content: string};
describe('create tool', () => {
let handler: (args: CreateArgs) => Promise<unknown>;
let tmpDir: string;
beforeEach(async () => {
const tool = getRegisteredTool<CreateArgs>('create');
handler = tool.handler;
tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), 'filesystem-mcp-test-'));
});
afterEach(async () => {
await fs.rm(tmpDir, {recursive: true, force: true});
});
it('creates a new file', async () => {
const testFile = path.join(tmpDir, 'new.txt');
const result = await handler({path: testFile, content: 'hello world'}) as {structuredContent: {success: boolean}};
expect(result.structuredContent.success).toBe(true);
const content = await fs.readFile(testFile, 'utf-8');
expect(content).toBe('hello world');
});
it('creates parent directories', async () => {
const testFile = path.join(tmpDir, 'nested', 'dir', 'file.txt');
await handler({path: testFile, content: 'content'});
const content = await fs.readFile(testFile, 'utf-8');
expect(content).toBe('content');
});
it('overwrites existing file', async () => {
const testFile = path.join(tmpDir, 'existing.txt');
await fs.writeFile(testFile, 'old content');
await handler({path: testFile, content: 'new content'});
const content = await fs.readFile(testFile, 'utf-8');
expect(content).toBe('new content');
});
});
