Developer Tools
Tests to demand before merging AI-written code
Passing tests prove little when the same assistant wrote both. Here are the abuse, boundary and regression tests worth requiring before you merge.
Oct 18, 20263 min read
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Supply Chain Security, in plain English.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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The test pyramid and where security tests belong
Put each security test at the lowest level that can catch the problem. A guide to unit, integration, contract and end to end tests for security checks.
Oct 18, 20264 min read
Developer Tools
The test pyramid and AI generated tests: where to point the model
AI can generate tests at any level, but the test pyramid still says where they pay off. How to direct a model toward fast unit tests and a few broad ones.
Oct 18, 20263 min read
Developer Tools
Test an MCP server with the Inspector before you trust it
The MCP Inspector lets you list tools, call them and watch messages before connecting a server to your coding agent. Commands for web, CLI and TUI modes.
Oct 18, 20263 min read
Developer Tools
Test coverage targets when AI writes the tests
Should you set a coverage target when AI writes tests? Why a hard number invites weak tests, and which signals to track next to coverage instead.
Oct 18, 20263 min read
Developer Tools
Terraform S3 backend locking: use_lockfile or DynamoDB?
Terraform's S3 backend can lock state with a file in the bucket, and DynamoDB locking is deprecated. What to enable, permissions to grant, how to migrate.
Oct 18, 20263 min read
Developer Tools
Terraform prevent_destroy: what it protects and what it does not
prevent_destroy blocks plans that would destroy a resource, but not if you delete the block. How to use it with other safeguards for databases and state.
Oct 18, 20263 min read
Developer Tools
Terraform moved blocks: refactor without destroying resources
Renaming a Terraform resource normally plans a destroy and recreate. A moved block updates state instead. Why this matters for databases, keys and buckets.
Oct 18, 20263 min read
Developer Tools
Terraform ephemeral values and write-only arguments explained
Ephemeral values and write-only arguments keep secrets out of Terraform state and plan files. How each works, which versions, and where they stop.
Oct 18, 20263 min read
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