Compose で手に入れた UI の Unit test

Android Test Night #8 で話したスライド
https://testnight.connpass.com/event/274733/

Transcript

1. Compose UI Unit test 2 02 3 / 03 / 10 Android Test Night # 8 mkeeda
2. About me • mkeeda (޲Ҫా Ұฏ) • Twitter: @mr_mkeeda • Github: @mkeeda • Android Engineer at Cybozu, Inc 2
3. Android UI 3
4. Domain Layer UI Layer Data Layer 4 UI elements State holders UseCases Repositories DataSources ViewModelTest UseCaseTest RepositoryTest DatabaseTest, NetworkTest
5. End-to-end test 5 Domain Layer UI Layer Data Layer UI elements State holders UseCases Repositories DataSources Espresso performAction() & assert() 😍 🤮 🤮
6. 6 Domain Layer UI Layer Data Layer UI elements State holders UseCases Repositories DataSources Unit test : UI ViewModel 
 or Fake 🤮 😍 😍
7. UI Unit test UI 
 disable 7 Domain Layer UI Layer Data Layer UI elements State holders UseCases Repositories DataSources
8. Jetpack Compose UI f(UI state) = UI 8 @Preview @Composable fun IntTextFieldPreview() { Surface { IntTextField( value = 0, onValueChange = {} ) } }
9. Compose UI 9 @Test fun `੔਺Ҏ֎͸ೖྗͰ͖ͳ͍`() = runComposeUiTest { var userInputText: Int? by mutableStateOf(0) setContent { IntTextField( value = userInputText, onValueChange = { userInputText = it } ) } val notInt = "sample" onNode(hasSetTextAction()).performTextInput(notInt) onNodeWithText(notInt).assertDoesNotExist() assertThat(userInputText).isEqualTo(0) } ComposeTestRule 
 UI
10. 10 https://www.youtube.com/watch?v=JyUJZvJ-OV 8
11. UI Unit test UI UI Screenshot test 11 https://www.droidcon.com/ 20 22 / 08 / 01 /modern-testing-on-android/
12. Unit test 12
13. Instrumented test Android CI Android Robolectric Instrumented test Local test 13
14. My app Android framework Instrumented test (AndroidView) 14 android.view.View MyView Android Runtime Espresso performAction() & assert()
15. Android class ⾒ Local test with Robolectric (AndroidView) My app Robolectric ShadowView MyView Local JVM Espresso performAction() & assert()
16. Instrumented test (Compose) 16 Compose test library performAction() & assert() My app Android framework android.graphic.Canvas MyComposable Android Runtime Compose Runtime
17. Semantic assert Shadow Local test with Robolectric (Compose) 17 Compose test library performAction() & assert() My app Robolectric ShadowCanvas MyComposable Local JVM Compose Runtime
18. UI UI Compose UI Compose Robolectric Compose UI 
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