ref: Envelope deserialization to Swift

[noahsmartin]

Converts one more deserialization function to Swift, this one was a bit long but pretty straightforward and very thoroughly unit tested

#skip-changelog

Closes #6190

[codecov]

Codecov Report

❌ Patch coverage is 97.29730% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.718%. Comparing base (fccc4e5) to head (e147e18).
⚠️ Report is 7 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...ources/Swift/Helper/SentrySerializationSwift.swift	97.740%	4 Missing ⚠️
Sources/Sentry/PrivateSentrySDKOnly.m	0.000%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6186       +/-   ##
=============================================
+ Coverage   86.699%   86.718%   +0.019%     
=============================================
  Files          436       436               
  Lines        37089     37090        +1     
  Branches     17399     17363       -36     
=============================================
+ Hits         32156     32164        +8     
+ Misses        4889      4653      -236     
- Partials        44       273      +229     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryAttachment.m	98.214% <ø> (ø)
Sources/Sentry/SentryFileManager.m	91.931% <100.000%> (+0.264%)	⬆️
Sources/Sentry/SentryHttpTransport.m	98.245% <100.000%> (ø)
Sources/Sentry/SentryMigrateSessionInit.m	88.659% <100.000%> (ø)
Sources/Sentry/SentrySerialization.m	100.000% <ø> (+1.345%)	⬆️
Sources/Sentry/PrivateSentrySDKOnly.m	23.786% <0.000%> (ø)
...ources/Swift/Helper/SentrySerializationSwift.swift	97.740% <97.740%> (ø)

... and 41 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1207.48 ms	1235.27 ms	27.79 ms
Size	23.75 KiB	977.30 KiB	953.56 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
7c7ac56	1225.90 ms	1250.22 ms	24.33 ms
8ea5293	1242.70 ms	1262.25 ms	19.55 ms
35c962f	1207.61 ms	1235.90 ms	28.29 ms
aa98fe8	1227.69 ms	1253.18 ms	25.50 ms
339539a	1219.58 ms	1254.63 ms	35.05 ms
0ac4c65	1236.85 ms	1267.84 ms	30.98 ms
6ee4973	1228.42 ms	1252.26 ms	23.84 ms
b13e93a	1236.24 ms	1247.33 ms	11.08 ms
2e79f5f	1220.53 ms	1249.35 ms	28.82 ms
5ae9ff1	1222.31 ms	1250.96 ms	28.65 ms

App size

Revision	Plain	With Sentry	Diff
7c7ac56	23.75 KiB	902.49 KiB	878.74 KiB
8ea5293	23.75 KiB	852.24 KiB	828.49 KiB
35c962f	23.75 KiB	854.77 KiB	831.02 KiB
aa98fe8	23.75 KiB	891.01 KiB	867.26 KiB
339539a	23.75 KiB	968.24 KiB	944.50 KiB
0ac4c65	23.75 KiB	968.24 KiB	944.50 KiB
6ee4973	23.75 KiB	896.53 KiB	872.79 KiB
b13e93a	23.75 KiB	855.37 KiB	831.62 KiB
2e79f5f	23.75 KiB	928.87 KiB	905.12 KiB
5ae9ff1	23.74 KiB	971.82 KiB	948.08 KiB

Previous results on branch: envelopeDeserializeSwift

Startup times

Revision	Plain	With Sentry	Diff
7710a76	1228.43 ms	1244.53 ms	16.10 ms
4f59363	1222.23 ms	1250.30 ms	28.07 ms
b27584f	1213.15 ms	1225.34 ms	12.19 ms
dd0291a	1200.69 ms	1235.64 ms	34.94 ms

App size

Revision	Plain	With Sentry	Diff
7710a76	23.75 KiB	976.94 KiB	953.19 KiB
4f59363	23.75 KiB	977.33 KiB	953.58 KiB
b27584f	23.75 KiB	977.31 KiB	953.57 KiB
dd0291a	23.75 KiB	977.30 KiB	953.56 KiB

[philipphofmann]

Woah, this code is complex 🤯 . Thanks for converting it to Swift. It looks way better now.

[github-actions]

🚨 Detected changes in high risk code 🚨

High-risk code can easily blow up and is hard to test. We had severe bugs in the past. Be extra careful when changing these files, and have an extra careful look at these:

• Sources/Sentry/SentryFileManager.m
• Sources/Sentry/SentrySerialization.m