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test(crypto): improve test coverage #4620

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merged 9 commits into from Apr 22, 2024
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mbhrznr
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@mbhrznr mbhrznr commented Apr 21, 2024

working towards #3713.
pushes code coverage of the crypto sub-module closer to 100%.

currently the following files aren't at 100%:

  • _wasm:
    • personally i'm just too unfamiliar w/ what's going on.
    • tried my best to add test cases but nothing seemed to work, so reverted what i had going.
  • crypto:
    • due to the way webCrypto is bound to globalThis.crypto my usual strategy of stubbing didn't seem to work out.
    • would webCrypto.subtle.digest ever be falsy to begin with?
  • unstable_keystack:
    • for Symbol.for("nodejs.util.inspect.custom") i tried to simply import inspect from node:util and compare the outcome, similar on how the test case for Symbol.for("Deno.customInspect") looked like. however this didn't change anything on cov.

@mbhrznr mbhrznr requested a review from kt3k as a code owner April 21, 2024 15:38
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codecov bot commented Apr 21, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.99%. Comparing base (06866a6) to head (8651ddb).

Additional details and impacted files
@@            Coverage Diff             @@
##             main    #4620      +/-   ##
==========================================
+ Coverage   90.89%   90.99%   +0.09%     
==========================================
  Files         475      478       +3     
  Lines       37325    37383      +58     
  Branches     5293     5308      +15     
==========================================
+ Hits        33927    34016      +89     
+ Misses       3336     3305      -31     
  Partials       62       62              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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Excellent work so far! I don't think we can do much about crypto/_wasm/lib/deno_std_wasm_crypto.generated.mjs. Maybe we should just ignore it in Codecov.

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i've tried by stubbing webCrypto to be able to get into the remaining else block, but no luck so far.

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Actually, that last else clause might be redundant. I'll handle this in a separate PR.

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@mbhrznr mbhrznr requested a review from iuioiua April 22, 2024 19:25
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Great stuff! Thank you.

@iuioiua iuioiua merged commit f5f9ca9 into denoland:main Apr 22, 2024
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@mbhrznr mbhrznr deleted the test/crypto branch May 13, 2024 15:06
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3 participants