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jason5ng32andClaude Opus 5.5
c29e48687b
common/ had become the backend's library: 30 of its 41 modules were imported by nothing in the frontend, so the name no longer said what belonged there. It now holds only what the frontend or the build imports too; backend-only code moved to server/, flat except for datasets/ (the dataset engine and its readers). The *-db/ dataset directories stay in common/: self-hosting docs and Docker volumes mount those paths. frontend/utils/ keeps its app-wide modules at the root and gains ip/ (IP / ASN shaping and validation), report/ (the report pipeline) and features/ (the pure layer of a single feature). Paths only — no logic changes. The Dockerfile copies server/, and the AGENTS.md files say where a new module goes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
91 lines
3.9 KiB
JavaScript
91 lines
3.9 KiB
JavaScript
// Exercises the MTR raw-output parser that structures Globalping MTR text
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// into report-schema hop objects. Fixtures cover the Globalping column set,
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// the classic mtr --report layout, unresolved hops, and garbage input.
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import assert from 'node:assert/strict';
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import { describe, it } from 'node:test';
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import { parseMtrOutput } from '../frontend/utils/features/mtr-parse.js';
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// Globalping-style output: Loss% Drop Rcv Avg StDev Javg columns, AS-number
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// prefixes, hostname (ip) pairs, and an unresolved hop.
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const GLOBALPING_OUTPUT = `Host Loss% Drop Rcv Avg StDev Javg
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1. AS??? _gateway (172.17.0.1) 0.0% 0 3 0.3 0.0 0.3
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2. AS??? (waiting for reply) 100.0% 3 0 0.0 0.0 0.0
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3. AS24940 core1.fsn1.hetzner.com (88.198.0.1) 0.0% 0 3 1.2 0.1 1.4
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4. AS15169 dns.google (8.8.8.8) 0.0% 0 3 5.6 0.2 5.8`;
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// Classic `mtr --report` layout: HOST: header with Snt/Last/Best/Wrst/StDev.
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const CLASSIC_OUTPUT = `HOST: probe-host Loss% Snt Last Avg Best Wrst StDev
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1.|-- 192.168.1.1 0.0% 10 0.4 0.4 0.3 0.5 0.0
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2.|-- 10.0.0.1 0.0% 10 1.1 1.3 1.0 2.2 0.4
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3.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0`;
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describe('parseMtrOutput', () => {
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it('parses Globalping-style output with AS numbers and host (ip) pairs', () => {
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const hops = parseMtrOutput(GLOBALPING_OUTPUT);
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assert.equal(hops.length, 4);
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assert.deepEqual(hops[0], {
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n: 1, asn: null, host: '_gateway', ip: '172.17.0.1',
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lossPct: 0, drop: 0, rcv: 3, avgMs: 0.3, stdevMs: 0, javgMs: 0.3,
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});
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// Unresolved hop: no host/ip, 100% loss preserved.
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assert.equal(hops[1].n, 2);
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assert.equal(hops[1].host, undefined);
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assert.equal(hops[1].ip, undefined);
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assert.equal(hops[1].lossPct, 100);
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assert.equal(hops[2].asn, 24940);
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assert.equal(hops[2].host, 'core1.fsn1.hetzner.com');
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assert.equal(hops[2].ip, '88.198.0.1');
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assert.equal(hops[3].asn, 15169);
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assert.equal(hops[3].ip, '8.8.8.8');
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assert.equal(hops[3].avgMs, 5.6);
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});
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it('parses classic mtr --report output with |-- markers', () => {
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const hops = parseMtrOutput(CLASSIC_OUTPUT);
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assert.equal(hops.length, 3);
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// Bare-IP hops land in `ip`, not `host`.
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assert.equal(hops[0].ip, '192.168.1.1');
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assert.equal(hops[0].host, undefined);
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assert.equal(hops[0].sntCount, 10);
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assert.equal(hops[0].lastMs, 0.4);
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assert.equal(hops[0].bestMs, 0.3);
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assert.equal(hops[0].worstMs, 0.5);
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// '???' hop keeps stats but no host/ip.
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assert.equal(hops[2].host, undefined);
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assert.equal(hops[2].ip, undefined);
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assert.equal(hops[2].lossPct, 100);
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});
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it('skips duplicate hop indexes (alternate-path lines)', () => {
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const output = `Host Loss% Drop Rcv Avg StDev Javg
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1. AS100 a.example (1.1.1.1) 0.0% 0 3 1.0 0.0 1.0
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1. AS200 b.example (2.2.2.2) 0.0% 0 3 2.0 0.0 2.0`;
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const hops = parseMtrOutput(output);
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assert.equal(hops.length, 1);
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assert.equal(hops[0].ip, '1.1.1.1');
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});
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it('returns [] for garbage, empty and non-string input', () => {
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assert.deepEqual(parseMtrOutput(''), []);
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assert.deepEqual(parseMtrOutput('no hops here\njust text'), []);
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assert.deepEqual(parseMtrOutput(null), []);
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assert.deepEqual(parseMtrOutput(undefined), []);
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assert.deepEqual(parseMtrOutput(12345), []);
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});
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it('tolerates missing header by keeping host/ip and dropping stats', () => {
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const hops = parseMtrOutput(' 1. AS15169 dns.google (8.8.8.8) 0.0% 0 3 5.6 0.2 5.8');
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assert.equal(hops.length, 1);
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assert.equal(hops[0].ip, '8.8.8.8');
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assert.equal(hops[0].avgMs, undefined);
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});
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});
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