Project Memory MCP

import { describe, it, expect } from 'vitest'; import { validatePromptLength, MAX_PROMPT_LINES } from '../src/utils/prompt-loader.js'; describe('Prompt Loader', () => { describe('validatePromptLength', () => { it('should not warn for prompts under 200 lines', () => { const content = Array(150).fill('line').join('\n'); const consoleSpy = { warnings: [] as string[] }; const originalWarn = console.warn; console.warn = (msg: string) => consoleSpy.warnings.push(msg); validatePromptLength(content, 'test.md'); console.warn = originalWarn; expect(consoleSpy.warnings.length).toBe(0); }); it('should warn for prompts exceeding 200 lines', () => { const content = Array(250).fill('line').join('\n'); const consoleSpy = { warnings: [] as string[] }; const originalWarn = console.warn; console.warn = (msg: string) => consoleSpy.warnings.push(msg); validatePromptLength(content, 'test.md'); console.warn = originalWarn; expect(consoleSpy.warnings.length).toBe(1); expect(consoleSpy.warnings[0]).toContain('test.md'); expect(consoleSpy.warnings[0]).toContain('250 lines'); expect(consoleSpy.warnings[0]).toContain(`${MAX_PROMPT_LINES} line limit`); }); it('should warn at exactly 201 lines', () => { const content = Array(201).fill('line').join('\n'); const consoleSpy = { warnings: [] as string[] }; const originalWarn = console.warn; console.warn = (msg: string) => consoleSpy.warnings.push(msg); validatePromptLength(content, 'boundary.md'); console.warn = originalWarn; expect(consoleSpy.warnings.length).toBe(1); }); it('should not warn at exactly 200 lines', () => { const content = Array(200).fill('line').join('\n'); const consoleSpy = { warnings: [] as string[] }; const originalWarn = console.warn; console.warn = (msg: string) => consoleSpy.warnings.push(msg); validatePromptLength(content, 'boundary.md'); console.warn = originalWarn; expect(consoleSpy.warnings.length).toBe(0); }); it('should handle empty content', () => { const content = ''; const consoleSpy = { warnings: [] as string[] }; const originalWarn = console.warn; console.warn = (msg: string) => consoleSpy.warnings.push(msg); validatePromptLength(content, 'empty.md'); console.warn = originalWarn; expect(consoleSpy.warnings.length).toBe(0); }); }); });