Glean MCP Server

import { describe, it, expect, beforeEach, afterEach } from 'vitest'; import os from 'node:os'; import path from 'node:path'; import fs from 'node:fs'; import { Logger } from '../../log/logger.js'; import { getConfig, isBasicConfig, isGleanTokenConfig, } from '../../config/index.js'; // Helper to set up XDG temp dir function setupXdgTemp() { const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'config-test-')); process.env.XDG_STATE_HOME = tmpDir; return tmpDir; } describe('getConfig', () => { let tmpDir: string; let originalXdgStateHome: string | undefined; let originalEnv: NodeJS.ProcessEnv; beforeEach(() => { // Save original environment originalEnv = { ...process.env }; originalXdgStateHome = process.env.XDG_STATE_HOME; tmpDir = setupXdgTemp(); }); afterEach(() => { // Restore original environment process.env = originalEnv; if (originalXdgStateHome) { process.env.XDG_STATE_HOME = originalXdgStateHome; } else { delete process.env.XDG_STATE_HOME; } fs.rmSync(tmpDir, { recursive: true, force: true }); Logger.reset(); }); it('returns basic config when only instance is provided', async () => { process.env.GLEAN_INSTANCE = 'test-company'; const config = await getConfig(); expect(isBasicConfig(config)).toBe(true); expect(config.baseUrl).toBe('https://test-company-be.glean.com/'); expect(config.authType).toBe('unknown'); }); it('returns token config when token is provided', async () => { process.env.GLEAN_INSTANCE = 'test-company'; process.env.GLEAN_API_TOKEN = 'test-token'; const config = await getConfig(); expect(isGleanTokenConfig(config)).toBe(true); expect(config.baseUrl).toBe('https://test-company-be.glean.com/'); expect(config.authType).toBe('token'); if (isGleanTokenConfig(config)) { expect(config.token).toBe('test-token'); } }); it('uses GLEAN_URL when provided', async () => { process.env.GLEAN_URL = 'https://custom.glean.com/'; process.env.GLEAN_API_TOKEN = 'test-token'; const config = await getConfig(); expect(isGleanTokenConfig(config)).toBe(true); expect(config.baseUrl).toBe('https://custom.glean.com/'); if (isGleanTokenConfig(config)) { expect(config.token).toBe('test-token'); } }); it('includes actAs when provided', async () => { process.env.GLEAN_INSTANCE = 'test-company'; process.env.GLEAN_API_TOKEN = 'test-token'; process.env.GLEAN_ACT_AS = 'user@example.com'; const config = await getConfig(); expect(isGleanTokenConfig(config)).toBe(true); if (isGleanTokenConfig(config)) { expect(config.actAs).toBe('user@example.com'); } }); it('throws error when no instance or URL is provided', async () => { process.env.GLEAN_API_TOKEN = 'test-token'; await expect(getConfig()).rejects.toThrow( 'GLEAN_INSTANCE environment variable is required', ); }); it('uses GLEAN_SUBDOMAIN as fallback for instance', async () => { process.env.GLEAN_SUBDOMAIN = 'test-subdomain'; process.env.GLEAN_API_TOKEN = 'test-token'; const config = await getConfig(); expect(config.baseUrl).toBe('https://test-subdomain-be.glean.com/'); }); });