TeamCity MCP Server

import { getRequiredTool } from '@/tools'; // Mock TeamCity API client to provide a deterministic log and slicing behavior jest.mock('@/api-client', () => { const fullLogLines = Array.from({ length: 10 }, (_, i) => `line ${i + 1}`); const getBuildLogChunk = jest.fn( (buildId?: string, opts?: { startLine?: number; lineCount?: number }) => { const start = Math.max(0, opts?.startLine ?? 0); const count = Math.max(1, opts?.lineCount ?? 500); const end = Math.min(fullLogLines.length, start + count); const lines = fullLogLines.slice(start, end); return Promise.resolve({ lines, startLine: start, nextStartLine: end < fullLogLines.length ? end : undefined, totalLines: fullLogLines.length, }); } ); return { TeamCityAPI: { getInstance: () => ({ getBuildLogChunk, }), }, }; }); describe('fetch_build_log pagination', () => { it('returns the first page with default pageSize when only page provided', async () => { const res = await getRequiredTool('fetch_build_log').handler({ buildId: '123', page: 1, pageSize: 3, }); const payload = JSON.parse((res.content?.[0]?.text as string) ?? '{}'); expect(payload.lines).toEqual(['line 1', 'line 2', 'line 3']); expect(payload.meta.page).toBe(1); expect(payload.meta.pageSize).toBe(3); expect(payload.meta.hasMore).toBe(true); expect(payload.meta.nextPage).toBe(2); }); it('returns the second page correctly', async () => { const res = await getRequiredTool('fetch_build_log').handler({ buildId: '123', page: 2, pageSize: 4, }); const payload = JSON.parse((res.content?.[0]?.text as string) ?? '{}'); expect(payload.lines).toEqual(['line 5', 'line 6', 'line 7', 'line 8']); expect(payload.meta.page).toBe(2); expect(payload.meta.pageSize).toBe(4); expect(payload.meta.startLine).toBe(4); expect(payload.meta.hasMore).toBe(true); }); it('supports explicit startLine and lineCount', async () => { const res = await getRequiredTool('fetch_build_log').handler({ buildId: 'abc', startLine: 8, lineCount: 5, }); const payload = JSON.parse((res.content?.[0]?.text as string) ?? '{}'); // Only two lines remain starting at 9th line (0-based index 8) expect(payload.lines).toEqual(['line 9', 'line 10']); expect(payload.meta.pageSize).toBe(5); expect(payload.meta.startLine).toBe(8); expect(payload.meta.hasMore).toBe(false); expect(payload.meta.totalLines).toBe(10); }); });