# \#submod

**URL:** https://racket.discourse.group/tag/submod/58.md

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## [TIL: Enforcing contracts with \`contract-out\` from within an embedded test module](https://racket.discourse.group/t/til-enforcing-contracts-with-contract-out-from-within-an-embedded-test-module/525)

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**Author:** [@sschwarzer](https://racket.discourse.group/u/sschwarzer)\
**Replies:** 1\
**Last updated:** [January 4, 2022, 10:40pm UTC](https://racket.discourse.group/t/til-enforcing-contracts-with-contract-out-from-within-an-embedded-test-module/525 "2022-01-04T22:40:28Z")

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TL;DR :wink: It's possible to enforce and test contracts defined at the module boundary within a test module in the same file. Do this by require'ing (submod "..") in the test module: (module+ test (require ... …