perf(ci): speed up unit tests with LPT sharding + container scoping#3855

Merged

nicktrn merged 24 commits into

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perf/speed-up-unit-tests-tri-10484

Jun 7, 2026

Commits on Jun 6, 2026

test(testcontainers): add local timing harness, docs, and TESTCONTAINERS_TIMING gate
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perf(testcontainers): force-kill teardown + worker-scope clickhouse/redis/postgres containers
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test(run-engine): make ttl consumer waits event-driven instead of fixed 13s sleeps
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perf(testcontainers): worker-scope containerTest (compose pg/redis/clickhouse isolation)
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perf(testcontainers): scope minio + tails; carve out replicationContainerTest for logical replication
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test(webapp): move logical-replication suites to replicationContainerTest
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test(run-engine): make waitpoints waits event-driven (fix the original flaky race)
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test(testcontainers): add opt-in CI-resource-limit mode for local flake repro
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perf(testcontainers): replicationContainerTest only needs per-test postgres (share redis+clickhouse)
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fix(testcontainers): per-test redis for background-worker tests + faster redis boot
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perf(ci): duration-weighted shard sequencer + reshard internal->12 packages->3
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test(webapp): split runsReplicationService into 6 files (per-test-pg tests ~29s; keep each shard <2m)
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test: update test-timings for 6-way runsReplicationService split
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test(webapp): isolate redis for streamBatchItems to fix 30s seal-timeout flake
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perf(ci): split runsRepository 2->4 + webapp 8->10 shards (makespan ~90s)
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docs(testcontainers): document fixture choice + shard timings workflow
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test(webapp): split runsReplicationService part5 + real measured shard weights
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chore: prettier-format split test files + testcontainers package
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fix(testcontainers): author shard sequencer as CJS so config loads on node 20
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fix(testcontainers): create template_db explicitly + throw on failed schema push
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test(testcontainers): address review - drop clones, validate env, fail-fast on bad timings/push
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perf(testcontainers): offset shard bins per package so heavy files don't stack on one shard
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ci: retry docker pull in unit-test pre-pull (transient registry timeouts)
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test(schedule-engine): split scheduleEngine.test.ts so its two heavy cases shard apart
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