homeio

1import { describe, expect, it } from "vitest";
2
3import {
4  detectLogLevel,
5  parseDockerLogLine,
6  stripAnsi,
7} from "@/lib/server/modules/docker/logs";
8
9// Written with String.fromCharCode so the escape byte stays visible in the
10// source rather than hiding inside a string literal.
11const ESC = String.fromCharCode(27);
12
13// A real line from Uptime Kuma, which colours every field it prints.
14const COLOURED_WARNING =
15  `${ESC}[36m2026-09-12T10:19:08+02:00${ESC}[0m ` +
16  `[${ESC}[38;5;119mMONITOR${ESC}[0m] ` +
17  `${ESC}[33mWARN:${ESC}[0m Monitor #4 'Music': Failing: getaddrinfo ENOTFOUND`;
18
19describe("stripAnsi", () => {
20  it("removes the colour sequences containers actually emit", () => {
21    const cleaned = stripAnsi(COLOURED_WARNING);
22
23    expect(cleaned).not.toContain(ESC);
24    expect(cleaned).toBe(
25      "2026-09-12T10:19:08+02:00 [MONITOR] WARN: Monitor #4 'Music': Failing: getaddrinfo ENOTFOUND",
26    );
27  });
28
29  it("leaves a line without escapes untouched", () => {
30    const plain = "2026-09-12T10:19:08Z [MONITOR] WARN: nothing to strip";
31    expect(stripAnsi(plain)).toBe(plain);
32  });
33});
34
35describe("detectLogLevel", () => {
36  it("reads the level through the colour codes wrapping it", () => {
37    // `\x1b[33mWARN` puts a word character immediately before WARN, so the
38    // \bWARN\b boundary never matched: the level came back null and the viewer
39    // fell through to its stderr badge, labelling every warning an error.
40    expect(detectLogLevel(COLOURED_WARNING)).toBe("WARN");
41  });
42
43  it("still classifies uncoloured lines", () => {
44    expect(detectLogLevel("2026-01-01 ERROR something broke")).toBe("ERROR");
45    expect(detectLogLevel("2026-01-01 INFO started")).toBe("INFO");
46    expect(detectLogLevel("2026-01-01 DEBUG verbose")).toBe("DEBUG");
47    expect(detectLogLevel("2026-01-01 nothing in particular")).toBeNull();
48  });
49});
50
51describe("parseDockerLogLine", () => {
52  it("hands the viewer a message with no escape sequences in it", () => {
53    const parsed = parseDockerLogLine(
54      `2026-09-12T10:19:08.000000000Z ${COLOURED_WARNING}`,
55      "stderr",
56    );
57
58    expect(parsed.timestamp).toBe("2026-09-12T10:19:08.000000000Z");
59    expect(parsed.stream).toBe("stderr");
60    expect(parsed.message).not.toContain(ESC);
61    expect(parsed.message).toContain("WARN:");
62  });
63
64  it("strips escapes from a line carrying no docker timestamp", () => {
65    const parsed = parseDockerLogLine(COLOURED_WARNING, "stdout");
66    expect(parsed.message).not.toContain(ESC);
67  });
68});
69