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PostgreSQL RLS testing pitfalls and best practices

A common pitfall in testing PostgreSQL's Row Level Security (RLS) is running tests as the table owner, which typically bypasses RLS unless specifically configured otherwise. To ensure robust security, acceptance tests should mimic the exact serving role, verifying it has no superuser privileges or BYPASSRLS attribute. This approach ensures that tenant policies are correctly enforced, preventing issues where migrations or runtime operations might inadvertently bypass security measures. AI

IMPACT Ensures secure data handling for AI agents by validating PostgreSQL RLS.

RANK_REASON The item discusses best practices for testing a specific database feature, which is a technical tool/methodology.

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PostgreSQL RLS testing pitfalls and best practices

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  1. dev.to — MCP tag TIER_1 English(EN) · Mads Hansen ·

    Your PostgreSQL RLS test is meaningless if it runs as the table owner

    <p>Your tenant policies exist. Your tests pass. Production still bypasses them.</p> <p>The usual cause: migrations, tests, and runtime all use the role that owns the tables.</p> <p>PostgreSQL table owners normally bypass RLS unless FORCE ROW LEVEL SECURITY applies.</p> <p>A safer…