Glean MCP Server

import { beforeEach, afterEach, describe, it, expect, vi } from 'vitest'; import { server } from '@gleanwork/mcp-test-utils/mocks/setup'; import { getVersionString, buildLaunchWarningUrl, checkUrlExists, openInBrowser, checkAndOpenLaunchWarning, } from '../../util/launch-warning-checker.js'; vi.mock('open', () => ({ default: vi.fn(), })); describe('launch-warning-checker', () => { beforeEach(() => { vi.clearAllMocks(); }); afterEach(() => { server.resetHandlers(); }); describe('getVersionString', () => { it('should return major version for versions > 1.0.0', () => { expect(getVersionString('1.2.3')).toBe('v1'); expect(getVersionString('2.0.0')).toBe('v2'); expect(getVersionString('10.5.2')).toBe('v10'); }); it('should return major.minor for versions 0.x.x', () => { expect(getVersionString('0.6.3')).toBe('v0.6'); expect(getVersionString('0.1.0')).toBe('v0.1'); expect(getVersionString('0.15.7')).toBe('v0.15'); }); }); describe('buildLaunchWarningUrl', () => { it('should use hardcoded base URL', () => { const url = buildLaunchWarningUrl('1.2.3'); expect(url).toMatchInlineSnapshot( `"https://gleanwork.github.io/mcp-server/warnings/launch/v1.md"`, ); }); it('should handle 0.x versions correctly', () => { const url = buildLaunchWarningUrl('0.6.3'); expect(url).toMatchInlineSnapshot( `"https://gleanwork.github.io/mcp-server/warnings/launch/v0.6.md"`, ); }); it('should handle pre-release versions', () => { const url = buildLaunchWarningUrl('1.2.3-alpha.1'); expect(url).toMatchInlineSnapshot( `"https://gleanwork.github.io/mcp-server/warnings/launch/v1.md"`, ); }); it('should handle build metadata', () => { const url = buildLaunchWarningUrl('2.1.0+build.1'); expect(url).toMatchInlineSnapshot( `"https://gleanwork.github.io/mcp-server/warnings/launch/v2.md"`, ); }); }); describe('checkUrlExists', () => { it('should return true when URL exists (200)', async () => { const exists = await checkUrlExists( 'https://gleanwork.github.io/mcp-server/warnings/launch/v1.md', ); expect(exists).toBe(true); }); it('should return false when URL returns 404', async () => { const exists = await checkUrlExists( 'https://gleanwork.github.io/mcp-server/warnings/launch/v404.md', ); expect(exists).toBe(false); }); it('should return false when URL returns server error', async () => { const exists = await checkUrlExists( 'https://gleanwork.github.io/mcp-server/warnings/launch/server-error.md', ); expect(exists).toBe(false); }); }); describe('openInBrowser', () => { it('should call open with the provided URL', async () => { const open = (await import('open')).default; const mockOpen = vi.mocked(open); await openInBrowser('https://example.com/test'); expect(mockOpen).toHaveBeenCalledWith('https://example.com/test'); expect(mockOpen).toHaveBeenCalledTimes(1); }); it('should propagate errors from open', async () => { const open = (await import('open')).default; const mockOpen = vi.mocked(open); const testError = new Error('Failed to open browser'); mockOpen.mockRejectedValueOnce(testError); await expect(openInBrowser('https://example.com/test')).rejects.toThrow( 'Failed to open browser', ); }); }); describe('checkAndOpenLaunchWarning', () => { it('should open browser when launch warning exists', async () => { const open = (await import('open')).default; const mockOpen = vi.mocked(open); const result = await checkAndOpenLaunchWarning('1.2.3'); expect(result).toMatchInlineSnapshot(` { "opened": true, "url": "https://gleanwork.github.io/mcp-server/warnings/launch/v1.md", } `); expect(mockOpen).toHaveBeenCalledWith( 'https://gleanwork.github.io/mcp-server/warnings/launch/v1.md', ); }); it('should not open browser when launch warning does not exist', async () => { const open = (await import('open')).default; const mockOpen = vi.mocked(open); const result = await checkAndOpenLaunchWarning('99.99.99'); expect(result).toMatchInlineSnapshot(` { "opened": false, "url": "https://gleanwork.github.io/mcp-server/warnings/launch/v99.md", } `); expect(mockOpen).not.toHaveBeenCalled(); }); it('should handle 0.x versions correctly', async () => { const open = (await import('open')).default; const mockOpen = vi.mocked(open); const result = await checkAndOpenLaunchWarning('0.6.3'); expect(result).toMatchInlineSnapshot(` { "opened": true, "url": "https://gleanwork.github.io/mcp-server/warnings/launch/v0.6.md", } `); expect(result.opened).toBe(true); expect(result.url).toBe( 'https://gleanwork.github.io/mcp-server/warnings/launch/v0.6.md', ); expect(result.error).toBeUndefined(); expect(mockOpen).toHaveBeenCalledWith( 'https://gleanwork.github.io/mcp-server/warnings/launch/v0.6.md', ); }); it('should handle network errors gracefully', async () => { const networkErrorResult = await checkAndOpenLaunchWarning('999.0.0'); expect(networkErrorResult.opened).toBe(false); expect(networkErrorResult.url).toBe( 'https://gleanwork.github.io/mcp-server/warnings/launch/v999.md', ); expect(networkErrorResult.error).toBeUndefined(); // Network errors are handled gracefully in checkUrlExists }); }); });