Felix Förtsch
b1a9eeb481
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86 lines
3.5 KiB
TypeScript
86 lines
3.5 KiB
TypeScript
import { describe, expect, test } from "bun:test";
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import { enqueueUnseenJobs, extractErrorSummary, shouldSendLiveUpdate, yieldAfterChunk } from "../execute";
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describe("extractErrorSummary", () => {
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test("pulls the real error line out of ffmpeg's banner", () => {
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const lines = [
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"[stderr] ffmpeg version 7.1.3 ...",
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"[stderr] built with gcc 14",
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"[stderr] Stream #0:2(eng): Subtitle: dvd_subtitle (dvdsub), 1280x720",
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"[stderr] Stream mapping:",
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"[stderr] Stream #0:2 -> #0:0 (copy)",
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"[stderr] [srt @ 0x55] Unsupported subtitles codec: dvd_subtitle",
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"[stderr] [out#0/srt @ 0x55] Could not write header (incorrect codec parameters ?): Invalid argument",
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"[stderr] Conversion failed!",
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];
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const summary = extractErrorSummary(lines, new Error("FFmpeg exited with code 234"));
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expect(summary).toContain("Unsupported subtitles codec: dvd_subtitle");
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expect(summary).toContain("Invalid argument");
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expect(summary).toContain("Conversion failed!");
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// Should NOT include the banner lines.
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expect(summary).not.toContain("ffmpeg version");
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expect(summary).not.toContain("Stream #0:2");
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});
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test("dedupes identical fatal lines (e.g. repeated warnings)", () => {
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const lines = ["[stderr] Conversion failed!", "[stderr] Conversion failed!", "[stderr] Conversion failed!"];
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const summary = extractErrorSummary(lines);
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expect(summary?.split("\n").length).toBe(1);
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});
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test("falls back to the thrown error when no fatal line is found", () => {
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const lines = ["[stderr] ffmpeg version 7", "[stderr] Duration: 00:10:00"];
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const summary = extractErrorSummary(lines, new Error("FFmpeg exited with code 1"));
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expect(summary).toBe("Error: FFmpeg exited with code 1");
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});
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test("returns null when neither a fatal line nor a thrown error is available", () => {
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expect(extractErrorSummary([])).toBe(null);
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expect(extractErrorSummary(["[stderr] ffmpeg version 7"])).toBe(null);
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});
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test("only scans the tail — a banner from a prior run doesn't leak through", () => {
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// 70 filler lines, real error at the very end; scan window is 60.
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const filler = Array.from({ length: 70 }, (_, i) => `[stderr] banner line ${i}`);
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const lines = [...filler, "[stderr] Error: no space left on device"];
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const summary = extractErrorSummary(lines);
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expect(summary).toBe("Error: no space left on device");
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});
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});
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describe("shouldSendLiveUpdate", () => {
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test("throttles updates until interval passes", () => {
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expect(shouldSendLiveUpdate(1_000, 800, 500)).toBe(false);
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expect(shouldSendLiveUpdate(1_301, 800, 500)).toBe(true);
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});
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});
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describe("yieldAfterChunk", () => {
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test("yields once threshold is reached, resets chunk counter", async () => {
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let yieldCalls = 0;
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const sleep = async (_ms: number) => {
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yieldCalls += 1;
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};
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let chunks = 0;
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chunks = await yieldAfterChunk(chunks, 3, sleep);
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expect(chunks).toBe(1);
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chunks = await yieldAfterChunk(chunks, 3, sleep);
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expect(chunks).toBe(2);
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chunks = await yieldAfterChunk(chunks, 3, sleep);
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expect(chunks).toBe(0);
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expect(yieldCalls).toBe(1);
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});
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});
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describe("enqueueUnseenJobs", () => {
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test("appends only unseen job ids to the active queue", () => {
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const queue = [{ id: 1 }, { id: 2 }] as { id: number }[];
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const seen = new Set([1, 2]);
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const added = enqueueUnseenJobs(queue, seen, [{ id: 2 }, { id: 3 }, { id: 4 }] as { id: number }[]);
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expect(added).toBe(2);
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expect(queue.map((j) => j.id)).toEqual([1, 2, 3, 4]);
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expect(seen.has(3)).toBeTrue();
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expect(seen.has(4)).toBeTrue();
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});
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});
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