typescript-validation.test.ts•2.13 kB
import { describe, it, expect } from 'vitest';
import { validateTypeScript } from '../src/mcp/tools/validation.js';
describe('TypeScript Validation', () => {
it('should accept valid TypeScript code', () => {
const validCode = 'async () => { return 42; }';
const result = validateTypeScript(validCode, '');
expect(result.valid).toBe(true);
expect(result.errors).toBeUndefined();
});
it('should reject code with type mismatches', () => {
const invalidCode = 'async () => { const x: number = "string"; return x; }';
const result = validateTypeScript(invalidCode, '');
expect(result.valid).toBe(false);
expect(result.errors).toBeDefined();
expect(result.errors).toContain('Type');
expect(result.errors).toContain('string');
});
it('should reject code with syntax errors', () => {
const syntaxError = 'async () => { const x = ; }';
const result = validateTypeScript(syntaxError, '');
expect(result.valid).toBe(false);
expect(result.errors).toBeDefined();
});
it('should reject code that references undefined variables', () => {
const invalidCode = 'async () => { return nonExistentVariable; }';
const result = validateTypeScript(invalidCode, '');
expect(result.valid).toBe(false);
expect(result.errors).toBeDefined();
expect(result.errors).toContain('Cannot find name');
});
it('should reject code that calls undefined functions', () => {
const invalidCode = 'async () => { return nonExistentFunction(); }';
const result = validateTypeScript(invalidCode, '');
expect(result.valid).toBe(false);
expect(result.errors).toBeDefined();
expect(result.errors).toContain('Cannot find name');
});
it('should provide detailed error messages with line and column numbers', () => {
const invalidCode = 'async () => { const x: number = "not a number"; return x; }';
const result = validateTypeScript(invalidCode, '');
expect(result.valid).toBe(false);
expect(result.errors).toBeDefined();
// Should include line/column info
expect(result.errors).toMatch(/Line \d+, Column \d+:/);
});
});