8507403b0f
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Proof: npm test; node --test test/history-writer-static.test.mjs test/kafka-topics.test.mjs test/environment-status-history.test.mjs; node --check src/apps/history-writer.mjs. Assumptions: Durable history consumers are idempotent by event_id, so from-beginning subscription is safe when a topic has no committed group offset. Still fake: This protects durable event capture for repo-owned Kafka topics; it does not backfill events that were never published to Kafka.
10 lines
495 B
JavaScript
10 lines
495 B
JavaScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import { readFileSync } from 'node:fs';
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const source = readFileSync(new URL('../src/apps/history-writer.mjs', import.meta.url), 'utf8');
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test('history writer consumes from beginning so first events on newly-created topics are durable', () => {
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assert.match(source, /consumer\.subscribe\(\{ topic, fromBeginning: true \}\)/);
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assert.doesNotMatch(source, /consumer\.subscribe\(\{ topic, fromBeginning: false \}\)/);
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});
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