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Home screen test
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class HomeScreenTest { | |
@get:Rule val composeTestRule = createComposeRule() | |
//Mock the viewmodel | |
private val homeViewModel = mockk<HomeViewModel>() | |
@Before | |
fun init() { | |
MockKAnnotations.init(this, true) | |
//provide mock data | |
every { homeViewModel.getAllGames() } answers | |
{ | |
FakeGamesData.getFakePagingData() | |
} | |
} | |
@Test | |
fun games_should_be_displayed_in_home_screen() { | |
//load our composable | |
composeTestRule.setContent { | |
EpicWorldTheme { | |
HomeScreen( | |
openSearch = {}, | |
openFilters = {}, | |
openGameDetails = {}, | |
homeViewModel = homeViewModel | |
) | |
} | |
} | |
//assert that a view with text "Max Payne" is displayed | |
composeTestRule | |
.onNodeWithText("Max Payne") | |
.assertIsDisplayed() | |
//assert that a view with text "4.5" is displayed | |
composeTestRule | |
.onNodeWithText("4.5") | |
.assertIsDisplayed() | |
//assert that 2 views with content description "Image" are displayed | |
composeTestRule | |
.onAllNodesWithContentDescription("Image") | |
.assertCountEquals(2) | |
//assert that 2 views with content description "Star" are displayed | |
composeTestRule | |
.onAllNodesWithContentDescription("Star") | |
.assertCountEquals(2) | |
//assert that a view with text "GTA V" is displayed | |
composeTestRule | |
.onNodeWithText("GTA V") | |
.assertIsDisplayed() | |
//assert that a view with text "4.8" is displayed | |
composeTestRule | |
.onNodeWithText("4.8") | |
.assertIsDisplayed() | |
} | |
} | |
//Provide mock data | |
object FakeGamesData { | |
fun getFakePagingData(): | |
Flow<PagingData<GameResultsEntity>> { | |
return flow { | |
emit(PagingData.from(getGamesEntity())) | |
} | |
} | |
private fun getGamesEntity(): List<GameResultsEntity> { | |
val gameResults: ArrayList<GameResultsEntity> = | |
ArrayList() | |
gameResults.add( | |
GameResultsEntity(1, "Max Payne", "", 4.5) | |
) | |
gameResults.add( | |
GameResultsEntity(2, "GTA V", "", 4.8) | |
) | |
return gameResults | |
} | |
} |
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