Files
SubMiner/src/core/services/immersion-tracker-service.test.ts

523 lines
14 KiB
TypeScript

import test from "node:test";
import assert from "node:assert/strict";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import type { DatabaseSync as NodeDatabaseSync } from "node:sqlite";
type ImmersionTrackerService = import("./immersion-tracker-service").ImmersionTrackerService;
type ImmersionTrackerServiceCtor = typeof import("./immersion-tracker-service").ImmersionTrackerService;
type DatabaseSyncCtor = typeof NodeDatabaseSync;
const DatabaseSync: DatabaseSyncCtor | null = (() => {
try {
return (
require("node:sqlite") as { DatabaseSync?: DatabaseSyncCtor }
).DatabaseSync ?? null;
} catch {
return null;
}
})();
const testIfSqlite = DatabaseSync ? test : test.skip;
let trackerCtor: ImmersionTrackerServiceCtor | null = null;
async function loadTrackerCtor(): Promise<ImmersionTrackerServiceCtor> {
if (trackerCtor) return trackerCtor;
const mod = await import("./immersion-tracker-service");
trackerCtor = mod.ImmersionTrackerService;
return trackerCtor;
}
function makeDbPath(): string {
const dir = fs.mkdtempSync(
path.join(os.tmpdir(), "subminer-immersion-test-"),
);
return path.join(dir, "immersion.sqlite");
}
function cleanupDbPath(dbPath: string): void {
const dir = path.dirname(dbPath);
if (fs.existsSync(dir)) {
fs.rmSync(dir, { recursive: true, force: true });
}
}
testIfSqlite("startSession generates UUID-like session identifiers", async () => {
const dbPath = makeDbPath();
let tracker: ImmersionTrackerService | null = null;
try {
const Ctor = await loadTrackerCtor();
tracker = new Ctor({ dbPath });
tracker.handleMediaChange("/tmp/episode.mkv", "Episode");
const privateApi = tracker as unknown as {
flushTelemetry: (force?: boolean) => void;
flushNow: () => void;
};
privateApi.flushTelemetry(true);
privateApi.flushNow();
const db = new DatabaseSync!(dbPath);
const row = db
.prepare("SELECT session_uuid FROM imm_sessions LIMIT 1")
.get() as { session_uuid: string } | null;
db.close();
assert.equal(typeof row?.session_uuid, "string");
assert.equal(row?.session_uuid?.startsWith("session-"), false);
assert.ok(/^[0-9a-fA-F-]{36}$/.test(row?.session_uuid || ""));
} finally {
tracker?.destroy();
cleanupDbPath(dbPath);
}
});
testIfSqlite("destroy finalizes active session and persists final telemetry", async () => {
const dbPath = makeDbPath();
let tracker: ImmersionTrackerService | null = null;
try {
const Ctor = await loadTrackerCtor();
tracker = new Ctor({ dbPath });
tracker.handleMediaChange("/tmp/episode-2.mkv", "Episode 2");
tracker.recordSubtitleLine("Hello immersion", 0, 1);
tracker.destroy();
const db = new DatabaseSync!(dbPath);
const sessionRow = db
.prepare("SELECT ended_at_ms FROM imm_sessions LIMIT 1")
.get() as { ended_at_ms: number | null } | null;
const telemetryCountRow = db
.prepare("SELECT COUNT(*) AS total FROM imm_session_telemetry")
.get() as { total: number };
db.close();
assert.ok(sessionRow);
assert.ok(Number(sessionRow?.ended_at_ms ?? 0) > 0);
assert.ok(Number(telemetryCountRow.total) >= 2);
} finally {
tracker?.destroy();
cleanupDbPath(dbPath);
}
});
testIfSqlite("persists and retrieves minimum immersion tracking fields", async () => {
const dbPath = makeDbPath();
let tracker: ImmersionTrackerService | null = null;
try {
const Ctor = await loadTrackerCtor();
tracker = new Ctor({ dbPath });
tracker.handleMediaChange("/tmp/episode-3.mkv", "Episode 3");
tracker.recordSubtitleLine("alpha beta", 0, 1.2);
tracker.recordCardsMined(2);
tracker.recordLookup(true);
tracker.recordPlaybackPosition(12.5);
const privateApi = tracker as unknown as {
flushTelemetry: (force?: boolean) => void;
flushNow: () => void;
};
privateApi.flushTelemetry(true);
privateApi.flushNow();
const summaries = await tracker.getSessionSummaries(10);
assert.ok(summaries.length >= 1);
assert.ok(summaries[0].linesSeen >= 1);
assert.ok(summaries[0].cardsMined >= 2);
tracker.destroy();
const db = new DatabaseSync!(dbPath);
const videoRow = db
.prepare(
"SELECT canonical_title, source_path, duration_ms FROM imm_videos LIMIT 1",
)
.get() as {
canonical_title: string;
source_path: string | null;
duration_ms: number;
} | null;
const telemetryRow = db
.prepare(
`SELECT lines_seen, words_seen, tokens_seen, cards_mined
FROM imm_session_telemetry
ORDER BY sample_ms DESC
LIMIT 1`,
)
.get() as {
lines_seen: number;
words_seen: number;
tokens_seen: number;
cards_mined: number;
} | null;
db.close();
assert.ok(videoRow);
assert.equal(videoRow?.canonical_title, "Episode 3");
assert.equal(videoRow?.source_path, "/tmp/episode-3.mkv");
assert.ok(Number(videoRow?.duration_ms ?? -1) >= 0);
assert.ok(telemetryRow);
assert.ok(Number(telemetryRow?.lines_seen ?? 0) >= 1);
assert.ok(Number(telemetryRow?.words_seen ?? 0) >= 2);
assert.ok(Number(telemetryRow?.tokens_seen ?? 0) >= 2);
assert.ok(Number(telemetryRow?.cards_mined ?? 0) >= 2);
} finally {
tracker?.destroy();
cleanupDbPath(dbPath);
}
});
testIfSqlite("applies configurable queue, flush, and retention policy", async () => {
const dbPath = makeDbPath();
let tracker: ImmersionTrackerService | null = null;
try {
const Ctor = await loadTrackerCtor();
tracker = new Ctor({
dbPath,
policy: {
batchSize: 10,
flushIntervalMs: 250,
queueCap: 1500,
payloadCapBytes: 512,
maintenanceIntervalMs: 2 * 60 * 60 * 1000,
retention: {
eventsDays: 14,
telemetryDays: 45,
dailyRollupsDays: 730,
monthlyRollupsDays: 3650,
vacuumIntervalDays: 14,
},
},
});
const privateApi = tracker as unknown as {
batchSize: number;
flushIntervalMs: number;
queueCap: number;
maxPayloadBytes: number;
maintenanceIntervalMs: number;
eventsRetentionMs: number;
telemetryRetentionMs: number;
dailyRollupRetentionMs: number;
monthlyRollupRetentionMs: number;
vacuumIntervalMs: number;
};
assert.equal(privateApi.batchSize, 10);
assert.equal(privateApi.flushIntervalMs, 250);
assert.equal(privateApi.queueCap, 1500);
assert.equal(privateApi.maxPayloadBytes, 512);
assert.equal(privateApi.maintenanceIntervalMs, 7_200_000);
assert.equal(privateApi.eventsRetentionMs, 14 * 86_400_000);
assert.equal(privateApi.telemetryRetentionMs, 45 * 86_400_000);
assert.equal(privateApi.dailyRollupRetentionMs, 730 * 86_400_000);
assert.equal(privateApi.monthlyRollupRetentionMs, 3650 * 86_400_000);
assert.equal(privateApi.vacuumIntervalMs, 14 * 86_400_000);
} finally {
tracker?.destroy();
cleanupDbPath(dbPath);
}
});
testIfSqlite("monthly rollups are grouped by calendar month", async () => {
const dbPath = makeDbPath();
let tracker: ImmersionTrackerService | null = null;
try {
const Ctor = await loadTrackerCtor();
tracker = new Ctor({ dbPath });
const privateApi = tracker as unknown as {
db: NodeDatabaseSync;
runRollupMaintenance: () => void;
};
const januaryStartedAtMs = Date.UTC(2026, 0, 31, 23, 59, 59, 0);
const februaryStartedAtMs = Date.UTC(2026, 1, 1, 0, 0, 1, 0);
privateApi.db.exec(`
INSERT INTO imm_videos (
video_id,
video_key,
canonical_title,
source_type,
duration_ms,
created_at_ms,
updated_at_ms
) VALUES (
1,
'local:/tmp/video.mkv',
'Episode',
1,
0,
${januaryStartedAtMs},
${januaryStartedAtMs}
)
`);
privateApi.db.exec(`
INSERT INTO imm_sessions (
session_id,
session_uuid,
video_id,
started_at_ms,
status,
created_at_ms,
updated_at_ms,
ended_at_ms
) VALUES (
1,
'11111111-1111-1111-1111-111111111111',
1,
${januaryStartedAtMs},
2,
${januaryStartedAtMs},
${januaryStartedAtMs},
${januaryStartedAtMs + 5000}
)
`);
privateApi.db.exec(`
INSERT INTO imm_session_telemetry (
session_id,
sample_ms,
total_watched_ms,
active_watched_ms,
lines_seen,
words_seen,
tokens_seen,
cards_mined,
lookup_count,
lookup_hits,
pause_count,
pause_ms,
seek_forward_count,
seek_backward_count,
media_buffer_events
) VALUES (
1,
${januaryStartedAtMs + 1000},
5000,
5000,
1,
2,
2,
0,
0,
0,
0,
0,
0,
0,
0
)
`);
privateApi.db.exec(`
INSERT INTO imm_sessions (
session_id,
session_uuid,
video_id,
started_at_ms,
status,
created_at_ms,
updated_at_ms,
ended_at_ms
) VALUES (
2,
'22222222-2222-2222-2222-222222222222',
1,
${februaryStartedAtMs},
2,
${februaryStartedAtMs},
${februaryStartedAtMs},
${februaryStartedAtMs + 5000}
)
`);
privateApi.db.exec(`
INSERT INTO imm_session_telemetry (
session_id,
sample_ms,
total_watched_ms,
active_watched_ms,
lines_seen,
words_seen,
tokens_seen,
cards_mined,
lookup_count,
lookup_hits,
pause_count,
pause_ms,
seek_forward_count,
seek_backward_count,
media_buffer_events
) VALUES (
2,
${februaryStartedAtMs + 1000},
4000,
4000,
2,
3,
3,
1,
1,
1,
0,
0,
0,
0,
0
)
`);
privateApi.runRollupMaintenance();
const rows = await tracker.getMonthlyRollups(10);
const videoRows = rows.filter((row) => row.videoId === 1);
assert.equal(videoRows.length, 2);
assert.equal(videoRows[0].rollupDayOrMonth, 202602);
assert.equal(videoRows[1].rollupDayOrMonth, 202601);
} finally {
tracker?.destroy();
cleanupDbPath(dbPath);
}
});
testIfSqlite("flushSingle reuses cached prepared statements", async () => {
const dbPath = makeDbPath();
let tracker: ImmersionTrackerService | null = null;
let originalPrepare: NodeDatabaseSync["prepare"] | null = null;
try {
const Ctor = await loadTrackerCtor();
tracker = new Ctor({ dbPath });
const privateApi = tracker as unknown as {
db: NodeDatabaseSync;
flushSingle: (write: {
kind: "telemetry" | "event";
sessionId: number;
sampleMs: number;
eventType?: number;
lineIndex?: number | null;
segmentStartMs?: number | null;
segmentEndMs?: number | null;
wordsDelta?: number;
cardsDelta?: number;
payloadJson?: string | null;
totalWatchedMs?: number;
activeWatchedMs?: number;
linesSeen?: number;
wordsSeen?: number;
tokensSeen?: number;
cardsMined?: number;
lookupCount?: number;
lookupHits?: number;
pauseCount?: number;
pauseMs?: number;
seekForwardCount?: number;
seekBackwardCount?: number;
mediaBufferEvents?: number;
}) => void;
};
originalPrepare = privateApi.db.prepare;
let prepareCalls = 0;
privateApi.db.prepare = (...args: Parameters<NodeDatabaseSync["prepare"]>) => {
prepareCalls += 1;
return originalPrepare!.apply(privateApi.db, args);
};
const preparedRestore = originalPrepare;
privateApi.db.exec(`
INSERT INTO imm_videos (
video_id,
video_key,
canonical_title,
source_type,
duration_ms,
created_at_ms,
updated_at_ms
) VALUES (
1,
'local:/tmp/prepared.mkv',
'Prepared',
1,
0,
1000,
1000
)
`);
privateApi.db.exec(`
INSERT INTO imm_sessions (
session_id,
session_uuid,
video_id,
started_at_ms,
status,
created_at_ms,
updated_at_ms,
ended_at_ms
) VALUES (
1,
'33333333-3333-3333-3333-333333333333',
1,
1000,
2,
1000,
1000,
2000
)
`);
privateApi.flushSingle({
kind: "telemetry",
sessionId: 1,
sampleMs: 1500,
totalWatchedMs: 1000,
activeWatchedMs: 1000,
linesSeen: 1,
wordsSeen: 2,
tokensSeen: 2,
cardsMined: 0,
lookupCount: 0,
lookupHits: 0,
pauseCount: 0,
pauseMs: 0,
seekForwardCount: 0,
seekBackwardCount: 0,
mediaBufferEvents: 0,
});
privateApi.flushSingle({
kind: "event",
sessionId: 1,
sampleMs: 1600,
eventType: 1,
lineIndex: 1,
segmentStartMs: 0,
segmentEndMs: 1000,
wordsDelta: 2,
cardsDelta: 0,
payloadJson: '{"event":"subtitle-line"}',
});
privateApi.db.prepare = preparedRestore;
assert.equal(prepareCalls, 0);
} finally {
if (tracker && originalPrepare) {
const privateApi = tracker as unknown as { db: NodeDatabaseSync };
privateApi.db.prepare = originalPrepare;
}
tracker?.destroy();
cleanupDbPath(dbPath);
}
});