PocketIC

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Run integration tests using PocketIC, a lightweight IC replica for testing. Cover the Rust PocketIC library for Rust tests, Pic JS for JavaScript/TypeScript tests, multi-subnet testing, time travel (advancing time), and canister lifecycle in tests. Show setup, a basic test, and common patterns (deploy, call, assert).

• JS SDK: pic-js (https://js.icp.build/pic-js)
• icp-cli: guides/containerized-networks.md (Docker-based PocketIC)

• guides/testing/strategies — when to use PocketIC vs unit tests
• guides/governance/testing — SNS testflight with PocketIC
• languages/rust/testing — Rust-specific testing patterns