chore: make integration tests 60x faster

[pascal-botpress]

I'm tired of waiting

[Copilot]

Pull request overview

This PR speeds up the integration test suite by avoiding per-test container startup: it reuses a single Postgres container across all integration tests in the file (resetting state between tests) and replaces LocalStack Secrets Manager with a lightweight in-process HTTP stub. It also updates the pnpm test script to build once and run all Vitest projects in a single invocation.

Changes:

• Rework lambda.integration.test.ts to use beforeAll/afterAll shared fixtures and reset the DB between tests.
• Add reusable test fixtures: startPostgresCluster() (testcontainers + fast PG config) and startFakeSecretsManager() (minimal Secrets Manager stub).
• Update package.json test script to build once + vitest --run.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
cdk-postgresql/test/lambda.integration.test.ts	Switch to shared Postgres + in-process Secrets Manager stub to reduce per-test startup cost
cdk-postgresql/test/fixtures/postgres-cluster.ts	New Postgres fixture that starts once and provides a reset() routine between tests
cdk-postgresql/test/fixtures/fake-secrets-manager.ts	New lightweight HTTP server implementing only the Secrets Manager operations used by tests
cdk-postgresql/package.json	Run a single build + single Vitest run for all projects

Suppressed comments (1)

cdk-postgresql/test/lambda.integration.test.ts:68

• cluster.reset() returns a Promise, but this beforeEach hook isn't async/awaiting it. That means the next test can start running while the database is still being wiped, causing cross-test contamination and flakiness (especially with replication slots / DB drops).

// The database container is shared by every test in this file, so each test
// starts from a blank cluster:
beforeEach(() => cluster.reset());

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[greptile-apps]

Greptile Summary

The PR speeds up integration tests by sharing one PostgreSQL container and replacing LocalStack with an in-process Secrets Manager stand-in.

• Resets the shared PostgreSQL cluster before each test.
• Starts and stops shared test infrastructure at suite boundaries.
• Runs all Vitest projects through a single package test command.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
cdk-postgresql/package.json	Consolidates the package test command into one build followed by a complete Vitest run.
cdk-postgresql/test/fixtures/fake-secrets-manager.ts	Adds an in-process HTTP stand-in for the two Secrets Manager operations used by the handlers.
cdk-postgresql/test/fixtures/postgres-cluster.ts	Adds a reusable PostgreSQL test container with explicit per-test state cleanup and suite-level shutdown.
cdk-postgresql/test/lambda.integration.test.ts	Reuses shared PostgreSQL and Secrets Manager fixtures while resetting database state before each integration test.

Sequence Diagram

sequenceDiagram
  participant Suite as Integration suite
  participant Secrets as Fake Secrets Manager
  participant PG as Shared PostgreSQL
  participant Test as Each test
  Suite->>Secrets: Start once
  Suite->>PG: Start once
  Test->>PG: Reset cluster
  Test->>Secrets: Store/read test secrets
  Test->>PG: Exercise handlers and verify state
  Suite->>Secrets: Stop after suite
  Suite->>PG: Stop after suite

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_{Reviews (3): Last reviewed commit: "fix: reject fake secrets manager startup..." | Re-trigger Greptile}