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Skillshub android-testing

Standards for Unit Tests, UI Tests (Compose), and Hilt Integration. Use whenever writing Android test files or asking about runTest, composeTestRule, HiltAndroidRule, MockK, MainDispatcherRule, @TestInstallIn, or how to test a ViewModel/Composable/Repository in Android. (triggers: **/*Test.kt, **/*Rule.kt, @Test, runTest, composeTestRule, HiltAndroidTest, MockK, createAndroidComposeRule, MainDispatcherRule, @TestInstallIn)

install
source · Clone the upstream repo
git clone https://github.com/ComeOnOliver/skillshub
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/ComeOnOliver/skillshub "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/HoangNguyen0403/agent-skills-standard/android-testing" ~/.claude/skills/comeonoliver-skillshub-android-testing && rm -rf "$T"
manifest: skills/HoangNguyen0403/agent-skills-standard/android-testing/SKILL.md
source content

Android Testing Standards

Priority: P0

Implementation Guidelines

Unit Tests

  • Scope: ViewModels, Usecases, Repositories, Utils.
  • Coroutines: Use 
    runTest
    (kotlinx-coroutines-test). Use 
    MainDispatcherRule
    to mock Main dispatcher.
  • Mocking: Use MockK.

UI Integration Tests (Instrumentation)

  • Scope: Composable Screens, Navigation flows.
  • Rules: Use 
    createAndroidComposeRule
    + Hilt (
    HiltAndroidRule
    ).
  • Isolation: Fake repositories in DI modules (
    @TestInstallIn
    ).

Anti-Patterns

  • No Real Network in Tests: Always mock with MockK or fake repositories via @TestInstallIn.
  • No Thread.sleep: Use IdlingResource or composeTestRule.waitUntil for async timing.

References