Adds screenshot tests for snackbar (#1343)

* Adds screenshot tests for snackbar

Change-Id: I81566e3301fb17e3f31cbc408e6cc3325eab5a12

* Small tweaks, RFR

Change-Id: Ia16db6e6f5bec2714081b5ceaeeba36b2ee26105

* 🤖 Updates screenshots

* Update NiaApp.kt

Adds modifier to NiaApp
pull/1376/head
Jose Alcérreca 3 months ago committed by GitHub
parent 88c3eb0b90
commit 16f45c0b1a
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@ -75,10 +75,6 @@ import com.google.samples.apps.nowinandroid.navigation.NiaNavHost
import com.google.samples.apps.nowinandroid.navigation.TopLevelDestination
import com.google.samples.apps.nowinandroid.feature.settings.R as settingsR
@OptIn(
ExperimentalMaterial3Api::class,
ExperimentalComposeUiApi::class,
)
@Composable
fun NiaApp(appState: NiaAppState) {
val shouldShowGradientBackground =
@ -108,95 +104,114 @@ fun NiaApp(appState: NiaAppState) {
}
}
if (showSettingsDialog) {
SettingsDialog(
onDismiss = { showSettingsDialog = false },
NiaApp(
appState = appState,
snackbarHostState = snackbarHostState,
showSettingsDialog = showSettingsDialog,
onSettingsDismissed = { showSettingsDialog = false },
onTopAppBarActionClick = { showSettingsDialog = true },
)
}
}
}
@Composable
@OptIn(ExperimentalMaterial3Api::class, ExperimentalComposeUiApi::class)
internal fun NiaApp(
appState: NiaAppState,
snackbarHostState: SnackbarHostState,
showSettingsDialog: Boolean,
onSettingsDismissed: () -> Unit,
onTopAppBarActionClick: () -> Unit,
modifier: Modifier = Modifier,
) {
val unreadDestinations by appState.topLevelDestinationsWithUnreadResources
.collectAsStateWithLifecycle()
if (showSettingsDialog) {
SettingsDialog(
onDismiss = { onSettingsDismissed() },
)
}
Scaffold(
modifier = modifier.semantics {
testTagsAsResourceId = true
},
containerColor = Color.Transparent,
contentColor = MaterialTheme.colorScheme.onBackground,
contentWindowInsets = WindowInsets(0, 0, 0, 0),
snackbarHost = { SnackbarHost(snackbarHostState) },
bottomBar = {
if (appState.shouldShowBottomBar) {
NiaBottomBar(
destinations = appState.topLevelDestinations,
destinationsWithUnreadResources = unreadDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier.testTag("NiaBottomBar"),
)
}
},
) { padding ->
Row(
Modifier
.fillMaxSize()
.padding(padding)
.consumeWindowInsets(padding)
.windowInsetsPadding(
WindowInsets.safeDrawing.only(
WindowInsetsSides.Horizontal,
),
),
) {
if (appState.shouldShowNavRail) {
NiaNavRail(
destinations = appState.topLevelDestinations,
destinationsWithUnreadResources = unreadDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier
.testTag("NiaNavRail")
.safeDrawingPadding(),
)
}
val unreadDestinations by appState.topLevelDestinationsWithUnreadResources.collectAsStateWithLifecycle()
Scaffold(
modifier = Modifier.semantics {
testTagsAsResourceId = true
},
containerColor = Color.Transparent,
contentColor = MaterialTheme.colorScheme.onBackground,
contentWindowInsets = WindowInsets(0, 0, 0, 0),
snackbarHost = { SnackbarHost(snackbarHostState) },
bottomBar = {
if (appState.shouldShowBottomBar) {
NiaBottomBar(
destinations = appState.topLevelDestinations,
destinationsWithUnreadResources = unreadDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier.testTag("NiaBottomBar"),
)
}
},
) { padding ->
Row(
Modifier
.fillMaxSize()
.padding(padding)
.consumeWindowInsets(padding)
.windowInsetsPadding(
WindowInsets.safeDrawing.only(
WindowInsetsSides.Horizontal,
),
Column(Modifier.fillMaxSize()) {
// Show the top app bar on top level destinations.
val destination = appState.currentTopLevelDestination
if (destination != null) {
NiaTopAppBar(
titleRes = destination.titleTextId,
navigationIcon = NiaIcons.Search,
navigationIconContentDescription = stringResource(
id = settingsR.string.feature_settings_top_app_bar_navigation_icon_description,
),
) {
if (appState.shouldShowNavRail) {
NiaNavRail(
destinations = appState.topLevelDestinations,
destinationsWithUnreadResources = unreadDestinations,
onNavigateToDestination = appState::navigateToTopLevelDestination,
currentDestination = appState.currentDestination,
modifier = Modifier
.testTag("NiaNavRail")
.safeDrawingPadding(),
)
}
Column(Modifier.fillMaxSize()) {
// Show the top app bar on top level destinations.
val destination = appState.currentTopLevelDestination
if (destination != null) {
NiaTopAppBar(
titleRes = destination.titleTextId,
navigationIcon = NiaIcons.Search,
navigationIconContentDescription = stringResource(
id = settingsR.string.feature_settings_top_app_bar_navigation_icon_description,
),
actionIcon = NiaIcons.Settings,
actionIconContentDescription = stringResource(
id = settingsR.string.feature_settings_top_app_bar_action_icon_description,
),
colors = TopAppBarDefaults.centerAlignedTopAppBarColors(
containerColor = Color.Transparent,
),
onActionClick = { showSettingsDialog = true },
onNavigationClick = { appState.navigateToSearch() },
)
}
NiaNavHost(
appState = appState,
onShowSnackbar = { message, action ->
snackbarHostState.showSnackbar(
message = message,
actionLabel = action,
duration = Short,
) == ActionPerformed
},
)
}
// TODO: We may want to add padding or spacer when the snackbar is shown so that
// content doesn't display behind it.
actionIcon = NiaIcons.Settings,
actionIconContentDescription = stringResource(
id = settingsR.string.feature_settings_top_app_bar_action_icon_description,
),
colors = TopAppBarDefaults.centerAlignedTopAppBarColors(
containerColor = Color.Transparent,
),
onActionClick = { onTopAppBarActionClick() },
onNavigationClick = { appState.navigateToSearch() },
)
}
NiaNavHost(
appState = appState,
onShowSnackbar = { message, action ->
snackbarHostState.showSnackbar(
message = message,
actionLabel = action,
duration = Short,
) == ActionPerformed
},
)
}
// TODO: We may want to add padding or spacer when the snackbar is shown so that
// content doesn't display behind it.
}
}
}

@ -0,0 +1,238 @@
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.samples.apps.nowinandroid.ui
import android.util.Log
import androidx.compose.foundation.layout.BoxWithConstraints
import androidx.compose.material3.SnackbarDuration.Indefinite
import androidx.compose.material3.SnackbarHostState
import androidx.compose.material3.windowsizeclass.ExperimentalMaterial3WindowSizeClassApi
import androidx.compose.material3.windowsizeclass.WindowSizeClass
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.test.junit4.createAndroidComposeRule
import androidx.compose.ui.test.onRoot
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.DpSize
import androidx.compose.ui.unit.dp
import androidx.test.platform.app.InstrumentationRegistry
import androidx.work.Configuration
import androidx.work.testing.SynchronousExecutor
import androidx.work.testing.WorkManagerTestInitHelper
import com.github.takahirom.roborazzi.captureRoboImage
import com.google.accompanist.testharness.TestHarness
import com.google.samples.apps.nowinandroid.core.data.repository.TopicsRepository
import com.google.samples.apps.nowinandroid.core.data.repository.UserNewsResourceRepository
import com.google.samples.apps.nowinandroid.core.data.test.repository.FakeUserDataRepository
import com.google.samples.apps.nowinandroid.core.data.util.NetworkMonitor
import com.google.samples.apps.nowinandroid.core.data.util.TimeZoneMonitor
import com.google.samples.apps.nowinandroid.core.designsystem.theme.NiaTheme
import com.google.samples.apps.nowinandroid.core.testing.util.DefaultRoborazziOptions
import com.google.samples.apps.nowinandroid.uitesthiltmanifest.HiltComponentActivity
import dagger.hilt.android.testing.BindValue
import dagger.hilt.android.testing.HiltAndroidRule
import dagger.hilt.android.testing.HiltAndroidTest
import dagger.hilt.android.testing.HiltTestApplication
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.launch
import kotlinx.coroutines.runBlocking
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.TemporaryFolder
import org.junit.runner.RunWith
import org.robolectric.RobolectricTestRunner
import org.robolectric.annotation.Config
import org.robolectric.annotation.GraphicsMode
import org.robolectric.annotation.LooperMode
import javax.inject.Inject
/**
* Tests that the Snackbar is correctly displayed on different screen sizes.
*/
@OptIn(ExperimentalMaterial3WindowSizeClassApi::class)
@RunWith(RobolectricTestRunner::class)
@GraphicsMode(GraphicsMode.Mode.NATIVE)
// Configure Robolectric to use a very large screen size that can fit all of the test sizes.
// This allows enough room to render the content under test without clipping or scaling.
@Config(application = HiltTestApplication::class, qualifiers = "w1000dp-h1000dp-480dpi")
@LooperMode(LooperMode.Mode.PAUSED)
@HiltAndroidTest
class SnackbarScreenshotTests {
/**
* Manages the components' state and is used to perform injection on your test
*/
@get:Rule(order = 0)
val hiltRule = HiltAndroidRule(this)
/**
* Create a temporary folder used to create a Data Store file. This guarantees that
* the file is removed in between each test, preventing a crash.
*/
@BindValue
@get:Rule(order = 1)
val tmpFolder: TemporaryFolder = TemporaryFolder.builder().assureDeletion().build()
/**
* Use a test activity to set the content on.
*/
@get:Rule(order = 2)
val composeTestRule = createAndroidComposeRule<HiltComponentActivity>()
@Inject
lateinit var networkMonitor: NetworkMonitor
@Inject
lateinit var timeZoneMonitor: TimeZoneMonitor
@Inject
lateinit var userDataRepository: FakeUserDataRepository
@Inject
lateinit var topicsRepository: TopicsRepository
@Inject
lateinit var userNewsResourceRepository: UserNewsResourceRepository
@Before
fun setup() {
val config = Configuration.Builder()
.setMinimumLoggingLevel(Log.DEBUG)
.setExecutor(SynchronousExecutor())
.build()
// Initialize WorkManager for instrumentation tests.
WorkManagerTestInitHelper.initializeTestWorkManager(
InstrumentationRegistry.getInstrumentation().context,
config,
)
hiltRule.inject()
// Configure user data
runBlocking {
userDataRepository.setShouldHideOnboarding(true)
userDataRepository.setFollowedTopicIds(
setOf(topicsRepository.getTopics().first().first().id),
)
}
}
@Test
fun phone_noSnackbar() {
val snackbarHostState = SnackbarHostState()
testSnackbarScreenshotWithSize(
snackbarHostState,
400.dp,
500.dp,
"snackbar_compact_medium_noSnackbar",
action = { },
)
}
@Test
fun snackbarShown_phone() {
val snackbarHostState = SnackbarHostState()
testSnackbarScreenshotWithSize(
snackbarHostState,
400.dp,
500.dp,
"snackbar_compact_medium",
) {
snackbarHostState.showSnackbar(
"This is a test snackbar message",
actionLabel = "Action Label",
duration = Indefinite,
)
}
}
@Test
fun snackbarShown_foldable() {
val snackbarHostState = SnackbarHostState()
testSnackbarScreenshotWithSize(
snackbarHostState,
600.dp,
600.dp,
"snackbar_medium_medium",
) {
snackbarHostState.showSnackbar(
"This is a test snackbar message",
actionLabel = "Action Label",
duration = Indefinite,
)
}
}
@Test
fun snackbarShown_tablet() {
val snackbarHostState = SnackbarHostState()
testSnackbarScreenshotWithSize(
snackbarHostState,
900.dp,
900.dp,
"snackbar_expanded_expanded",
) {
snackbarHostState.showSnackbar(
"This is a test snackbar message",
actionLabel = "Action Label",
duration = Indefinite,
)
}
}
private fun testSnackbarScreenshotWithSize(
snackbarHostState: SnackbarHostState,
width: Dp,
height: Dp,
screenshotName: String,
action: suspend () -> Unit,
) {
lateinit var scope: CoroutineScope
composeTestRule.setContent {
scope = rememberCoroutineScope()
TestHarness(size = DpSize(width, height)) {
BoxWithConstraints {
val appState = rememberNiaAppState(
windowSizeClass = WindowSizeClass.calculateFromSize(
DpSize(maxWidth, maxHeight),
),
networkMonitor = networkMonitor,
userNewsResourceRepository = userNewsResourceRepository,
timeZoneMonitor = timeZoneMonitor,
)
NiaTheme {
NiaApp(appState, snackbarHostState, false, {}, {})
}
}
}
}
scope.launch {
action()
}
composeTestRule.onRoot()
.captureRoboImage(
"src/testDemo/screenshots/$screenshotName.png",
roborazziOptions = DefaultRoborazziOptions,
)
}
}

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@ -39,7 +39,7 @@ import javax.inject.Inject
* This allows us to run the app with fake data, without needing an internet connection or working
* backend.
*/
internal class FakeNewsRepository @Inject constructor(
class FakeNewsRepository @Inject constructor(
@Dispatcher(IO) private val ioDispatcher: CoroutineDispatcher,
private val datasource: DemoNiaNetworkDataSource,
) : NewsRepository {

@ -30,7 +30,7 @@ import javax.inject.Inject
* This allows us to run the app with fake data, without needing an internet connection or working
* backend.
*/
internal class FakeUserDataRepository @Inject constructor(
class FakeUserDataRepository @Inject constructor(
private val niaPreferencesDataSource: NiaPreferencesDataSource,
) : UserDataRepository {

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