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Add Compose UI tests to library modules (tags, carousel, login)#213

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dipenpradhan:issue-68-ui-tests
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Add Compose UI tests to library modules (tags, carousel, login)#213
dipenpradhan wants to merge 14 commits into
Gurupreet:masterfrom
dipenpradhan:issue-68-ui-tests

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Summary

First installment of UI tests for library modules, towards #68.

Until now only :app had Compose UI tests (HomeScreenTest, FlingSettingsPageTest). This PR makes library modules testable and adds Compose UI tests to three of them:

Infrastructure

  • The common-compose-module-configs convention plugin now sets testInstrumentationRunner, so every compose library module can host androidTests by just calling addAndroidInstrumentationTestsDependencies()

New tests

Scope note

#68 asks for UI tests in all modules — this PR intentionally starts with three representative modules plus the shared plumbing, so the pattern (and CI cost) can be reviewed before rolling it out repo-wide. Suggest keeping #68 open after merge; follow-up PRs can copy the pattern per module.

Verification

  • ./gradlew :components:tags:assembleDebugAndroidTest :components:carousel:assembleDebugAndroidTest :templates:login:assembleDebugAndroidTest compiles the new tests (no emulator was available in this environment, so the tests are compile-verified; they use only standard createComposeRule APIs)
  • ./gradlew ktfmtCheck assembleDebug testDebugUnitTest passes locally (JDK 17, SDK 35)
  • CI ./gradlew build on this PR

Merge order

PR 13 of the stacked series. Depends on #195 → … → #212 — its diff includes their commits until they merge.

Refs #68

🤖 Generated with Claude Code

cc @Gurupreet for review

dipen and others added 14 commits June 6, 2026 15:57
- Replace kotlin-kapt with com.google.devtools.ksp in the app module
  and the common-kotlin convention plugin
- Add Room compiler via the ksp configuration instead of kapt
- Drop the kapt { correctErrorTypes = true } workaround
- Add symbol-processing-gradle-plugin (1.9.22-1.0.17) to buildSrc

Fixes Gurupreet#184

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Bump kotlin-gradle-plugin 1.9.22 -> 2.1.20 (root + buildSrc)
- Adopt the new Compose Compiler Gradle plugin
  (org.jetbrains.kotlin.plugin.compose) in app and convention plugins
- Drop composeCompiler version constant and composeOptions blocks
- Replace removed -Xopt-in flag with -opt-in
- Bump KSP to 2.1.20-1.0.31 to match Kotlin

Fixes Gurupreet#182

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
ktfmt-gradle 0.12.0 fails with 'Generic error during file processing'
once Kotlin 2.x is on the buildscript classpath. 0.22.0 supports
Kotlin 2.x and also formats *.kts build scripts, hence the repo-wide
reformat (no functional changes).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- AGP 8.2.2 -> 8.7.3 (compileSdk 35 supported from AGP 8.6)
- Gradle wrapper 8.5 -> 8.9 (required by AGP 8.7.x)

Fixes Gurupreet#185

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Replace compose/material3 version constants with composeBom
- Strip explicit versions from BOM-managed artifacts
- Import the BOM platform on every configuration that receives
  Compose artifacts (implementation, debugImplementation,
  androidTestImplementation, :data)
- Migrate API removals that come with Compose 1.7 / Material3 1.3:
  SmallTopAppBar -> TopAppBar, rememberRipple -> material3 ripple
- Update the outdated README Compose badge to the BOM version

Fixes Gurupreet#186

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
All lifecycle artifacts (viewmodel-compose, viewmodel-ktx,
livedata-ktx, runtime-ktx, viewmodel-savedstate) move together
via the shared androidLifecycleGrouped version.

Fixes Gurupreet#192

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- navCompose 2.7.7 -> 2.8.9; add kotlinx-serialization-json 1.8.0
- Apply the Kotlin serialization plugin in gmail and tiktok demos
- Gmail: string routes -> @serializable route objects
- TikTok: TikTokScreen becomes a serializable sealed interface;
  the profile route carries a typed userId argument read via
  toRoute(), bottom bar selection uses NavDestination.hasRoute

Fixes Gurupreet#193

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Replace com.google.android.exoplayer:exoplayer with
  androidx.media3:media3-exoplayer and media3-ui
- Rewrite TikTokPlayer against the Media3 API (SimpleExoPlayer was
  removed; default media source factory handles asset URIs)
- Removes the last Jetifier warning produced by ExoPlayer 2.x

Fixes Gurupreet#183

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Move to the io.coil-kt.coil3 artifact group
- Add coil-network-okhttp (network fetching is a separate artifact
  in Coil 3, self-registered via ServiceLoader)
- Migrate call sites: rememberImagePainter(data=) ->
  rememberAsyncImagePainter(model=), coil.* -> coil3.* imports

Fixes Gurupreet#191

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
PullRefreshList was a fully commented-out stub (TODO revisit pull
refresh). It now demonstrates the first-party PullToRefreshBox with
a simulated 1.5s reload that prepends an item to the list.

Fixes Gurupreet#187

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…undo

The Swipeable Lists tab rendered SwipeToDismissBox items but swipes
never removed anything. Now:
- swipe left deletes (red background), swipe right archives
- items are actually removed from the keyed LazyColumn
- an Undo snackbar restores the item at its original position
- positionalThreshold set to half the item width

Fixes Gurupreet#188

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- NavigationSuiteScaffold switches bottom bar / rail / drawer by
  window size class
- ListDetailPaneScaffold gives single-pane on phones, two-pane on
  tablets and foldables, with predictive-back-aware pane navigation
- Favorites/Profile destinations display the live window size classes
- All adaptive artifacts are version-managed by the Compose BOM

Fixes Gurupreet#190

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
InfiniteCarousel builds on foundation's HorizontalPager with a large
virtual page count starting in the middle, so it loops endlessly in
both directions. Auto-advances every 3s and pauses while dragging.
Showcased at the top of the Carousel demo screen.

Fixes Gurupreet#13

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Convention plugin now sets testInstrumentationRunner so any
  library module can host androidTests
- InterestTagTest: text, click action, onClick callback
- InfiniteCarouselTest: initial page, forward paging, backward loop
- LoginScreenTest: fields, button, text input

Refs Gurupreet#68

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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