diffplug/selfie

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Snapshot testing for Java, Kotlin, and the JVM

Stars: 101
Forks: 18
Open beginner issues: 0
Indexed issues: 43
Avg merge: 6d 11h
Merged PRs (30d): 5

Dominant language: Kotlin
License: Apache-2.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

Selfie JVM Snapshot Garbage Collection is overly zealous when using multiple test suites in gradle Open

bug jvm

Difficulty 4/5 3-5 days Newbie friendliness 48/100

diffplug/selfie#574 · 2 comments · Opened May 5, 2026
[jvm] Using selfie with Gradle Develocity Test Distribution Open

enhancement jvm

Difficulty 5/5 Over a week Newbie friendliness 25/100

diffplug/selfie#553 · 4 comments · Opened Oct 14, 2025
[jvm] duplicated filename creates exceptions when updating snapshot Open

bug jvm

Difficulty 4/5 3-5 days Newbie friendliness 35/100

diffplug/selfie#552 · 3 comments · Opened Oct 10, 2025
`plusOrReplace` example not working in Java Open

bug docs jvm

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

diffplug/selfie#547 · Opened Aug 6, 2025
When env vars have different value depending on case, throw error Open

bug jvm py

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

diffplug/selfie#543 · Opened Jul 8, 2025
[jvm] NullPointerException in SnapshotSystemJUnit5 Open

bug jvm

Difficulty 4/5 3-5 days Newbie friendliness 38/100

diffplug/selfie#542 · 3 comments · 1 reaction · Opened Jun 20, 2025
[Enhancment] Calling `expectSelfie()` from another package Open

jvm question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

diffplug/selfie#541 · 1 comment · Opened Jun 18, 2025
[jvm] Snapshots are not being written to disk when there are tests with numbered names Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

diffplug/selfie#540 · 3 comments · Opened Jun 17, 2025
[jvm] Gradle cache and parallel builds Open

jvm

Difficulty 3/5 1-2 days Newbie friendliness 42/100

diffplug/selfie#538 · 1 comment · Opened May 31, 2025
[jvm] Address kotlin compiler warnings Open

bug jvm

Difficulty 4/5 3-5 days Newbie friendliness 42/100

diffplug/selfie#537 · 1 comment · Opened May 31, 2025
[jvm] better error message when a test exists in a transparent package Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

diffplug/selfie#527 · Opened Mar 14, 2025
[jvm] docs for VCR Open

enhancement jvm

Difficulty 5/5 Over a week Newbie friendliness 20/100

diffplug/selfie#523 · Opened Feb 21, 2025
[jvm] selfie vcr should support `java.io.Serializable` Open

enhancement jvm

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

diffplug/selfie#522 · Opened Feb 21, 2025
[jvm] better error checking when we can't find test file Open

bug jvm

Difficulty 4/5 3-5 days Newbie friendliness 25/100

diffplug/selfie#521 · Opened Feb 21, 2025
[py] add VCR functionality Open

enhancement py

Difficulty 5/5 Over a week Newbie friendliness 20/100

diffplug/selfie#520 · Opened Feb 21, 2025
[py] facet parsing bug Open

bug py

Difficulty 3/5 1-2 days Newbie friendliness 35/100

diffplug/selfie#519 · Opened Feb 21, 2025
[py] consequences of allowing snapshots based on repr Open

py

Difficulty 5/5 Over a week Newbie friendliness 25/100

diffplug/selfie#516 · Opened Feb 19, 2025
Remove requirement to not have "/" in test names? (Junit 5) Open

enhancement jvm

Difficulty 3/5 1-2 days Newbie friendliness 42/100

diffplug/selfie#514 · 1 comment · Opened Jan 24, 2025
User modifies test code while it is running, which jams the inline snapshot Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

diffplug/selfie#513 · Opened Jan 9, 2025
Update social embed images Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

diffplug/selfie#504 · 1 comment · Opened Dec 17, 2024
[py] better error messages for snapshot mismatch Open

enhancement py

Difficulty 3/5 1-2 days Newbie friendliness 55/100

diffplug/selfie#501 · Opened Dec 16, 2024
Make a section somewhere to link to articles & tutorials Open

docs enhancement

Difficulty 3/5 1-2 days Newbie friendliness 25/100

diffplug/selfie#489 · Opened Dec 9, 2024
Confusing when a got-away-with-it multiple snapshot stops getting away with it Open

bug jvm

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

diffplug/selfie#488 · Opened Nov 19, 2024
fluent API for snapshotting only specific subsets of a snapshot Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

diffplug/selfie#482 · Opened Oct 18, 2024
Add documentation how to setup for android Open

enhancement jvm

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

diffplug/selfie#481 · 5 comments · Opened Oct 11, 2024
toMatchDisk_TODO throws error when writing multiple snapshots to disk during parameterized tests, succeeds on follow ups. Open

bug jvm

Difficulty 3/5 1-2 days Newbie friendliness 38/100

diffplug/selfie#370 · 1 comment · 1 reaction · Opened May 3, 2024
SelfieGC for python Open

enhancement py

Difficulty 4/5 3-5 days Newbie friendliness 30/100

diffplug/selfie#325 · Opened Apr 12, 2024
pytest `snapshot_folder_name` and `allow_multiple_equivalent_writes_to_one_location` Open

enhancement py

Difficulty 4/5 3-5 days Newbie friendliness 25/100

diffplug/selfie#321 · 1 comment · Opened Apr 12, 2024
`cacheSelfie().xxx_TODO()` should cascade through later `cacheSelfie` calls Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

diffplug/selfie#237 · Opened Feb 20, 2024
Add `infix fun String.selfieIs` (similar to Kotest `shouldBe`) Open

enhancement jvm

Difficulty 4/5 3-5 days Newbie friendliness 35/100

diffplug/selfie#214 · Opened Feb 11, 2024
JS support for Kotest runner Open

enhancement js

Difficulty 4/5 3-5 days Newbie friendliness 38/100

diffplug/selfie#186 · Opened Feb 1, 2024
String constant too long Open

bug jvm

Difficulty 3/5 1-2 days Newbie friendliness 35/100

diffplug/selfie#177 · 1 comment · Opened Jan 30, 2024
Dependency Dashboard Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

diffplug/selfie#129 · Opened Jan 26, 2024
Add JPMS module-info.java Open

enhancement jvm

Difficulty 5/5 Over a week Newbie friendliness 25/100

diffplug/selfie#125 · Opened Jan 26, 2024
Add support for multiline string literals in Scala Open

enhancement jvm

Difficulty 3/5 1-2 days Newbie friendliness 35/100

diffplug/selfie#106 · Opened Jan 18, 2024
Add support for multiline string literals in Groovy Open

enhancement jvm

Difficulty 3/5 1-2 days Newbie friendliness 35/100

diffplug/selfie#105 · Opened Jan 18, 2024
Glossary Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

diffplug/selfie#104 · Opened Jan 17, 2024
JS / .NET / Go / other langauges Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

diffplug/selfie#85 · Opened Jan 7, 2024
Javascript roadmap Open

enhancement js

Difficulty 5/5 Over a week Newbie friendliness 25/100

diffplug/selfie#84 · 2 comments · Opened Jan 7, 2024
Ignore comments within String constants Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

diffplug/selfie#81 · Opened Jan 5, 2024
Emoji snapshot methods Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

diffplug/selfie#53 · Opened Dec 19, 2023
Add a mode which preserves carriage returns Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

diffplug/selfie#2 · Opened Aug 9, 2023
Binary-optimized snapshots Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

diffplug/selfie#1 · Opened Aug 9, 2023

diffplug/selfie

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