Loading packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/framework/common/BytesFormatter.kt +16 −1 Original line number Diff line number Diff line Loading @@ -24,6 +24,7 @@ import android.icu.text.NumberFormat import android.icu.text.UnicodeSet import android.icu.text.UnicodeSetSpanner import android.icu.util.Measure import android.text.BidiFormatter import android.text.format.Formatter import android.text.format.Formatter.RoundedBytesResult import java.math.BigDecimal Loading @@ -40,11 +41,17 @@ class BytesFormatter(resources: Resources) { constructor(context: Context) : this(context.resources) private val locale = resources.configuration.locales[0] private val bidiFormatter = BidiFormatter.getInstance(locale) fun format(bytes: Long, useCase: UseCase): String { val rounded = RoundedBytesResult.roundBytes(bytes, useCase.flag) val numberFormatter = getNumberFormatter(rounded.fractionDigits) return numberFormatter.formatRoundedBytesResult(rounded) val formattedString = numberFormatter.formatRoundedBytesResult(rounded) return if (useCase == UseCase.FileSize) { formattedString.bidiWrap() } else { formattedString } } fun formatWithUnits(bytes: Long, useCase: UseCase): Result { Loading Loading @@ -74,6 +81,14 @@ class BytesFormatter(resources: Resources) { } } /** Wraps the source string in bidi formatting characters in RTL locales. */ private fun String.bidiWrap(): String = if (bidiFormatter.isRtlContext) { bidiFormatter.unicodeWrap(this) } else { this } private companion object { fun String.removeFirst(removed: String): String = SPACES_AND_CONTROLS.trim(replaceFirst(removed, "")).toString() Loading packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppStorageRepository.kt 0 → 100644 +92 −0 Original line number Diff line number Diff line /* * Copyright (C) 2025 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 * * http://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.android.settingslib.spaprivileged.model.app import android.content.Context import android.content.pm.ApplicationInfo import android.util.Log import com.android.settingslib.spaprivileged.framework.common.BytesFormatter import com.android.settingslib.spaprivileged.framework.common.storageStatsManager /** A repository interface for accessing and formatting app storage information. */ interface AppStorageRepository { /** * Formats the size of an application into a human-readable string. * * This function retrieves the total size of the application, including APK file and its * associated data. * * This function takes an [ApplicationInfo] object as input and returns a formatted string * representing the size of the application. The size is formatted in units like kB, MB, GB, * etc. * * @param app The [ApplicationInfo] object representing the application. * @return A formatted string representing the size of the application. */ fun formatSize(app: ApplicationInfo): String /** * Formats the size about an application into a human-readable string. * * @param sizeBytes The size in bytes to format. * @return A formatted string representing the size about application. */ fun formatSizeBytes(sizeBytes: Long): String /** * Calculates the size of an application in bytes. * * This function retrieves the total size of the application, including APK file and its * associated data. * * @param app The [ApplicationInfo] object representing the application. * @return The total size of the application in bytes, or null if the size could not be * determined. */ fun calculateSizeBytes(app: ApplicationInfo): Long? } class AppStorageRepositoryImpl(context: Context) : AppStorageRepository { private val storageStatsManager = context.storageStatsManager private val bytesFormatter = BytesFormatter(context) override fun formatSize(app: ApplicationInfo): String { val sizeBytes = calculateSizeBytes(app) return if (sizeBytes != null) formatSizeBytes(sizeBytes) else "" } override fun formatSizeBytes(sizeBytes: Long): String = bytesFormatter.format(sizeBytes, BytesFormatter.UseCase.FileSize) override fun calculateSizeBytes(app: ApplicationInfo): Long? = try { val stats = storageStatsManager.queryStatsForPackage( app.storageUuid, app.packageName, app.userHandle, ) stats.codeBytes + stats.dataBytes } catch (e: Exception) { Log.w(TAG, "Failed to query stats", e) null } companion object { private const val TAG = "AppStorageRepository" } } packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/AppStorageSize.kt +14 −26 Original line number Diff line number Diff line Loading @@ -16,42 +16,30 @@ package com.android.settingslib.spaprivileged.template.app import android.content.Context import android.content.pm.ApplicationInfo import android.text.format.Formatter import android.util.Log import androidx.annotation.VisibleForTesting import androidx.compose.runtime.Composable import androidx.compose.runtime.State import androidx.compose.runtime.remember import androidx.compose.ui.platform.LocalContext import androidx.lifecycle.compose.collectAsStateWithLifecycle import com.android.settingslib.spaprivileged.framework.common.storageStatsManager import com.android.settingslib.spa.framework.compose.rememberContext import com.android.settingslib.spaprivileged.framework.compose.placeholder import com.android.settingslib.spaprivileged.model.app.userHandle import com.android.settingslib.spaprivileged.model.app.AppStorageRepository import com.android.settingslib.spaprivileged.model.app.AppStorageRepositoryImpl import kotlinx.coroutines.Dispatchers import kotlinx.coroutines.flow.flow import kotlinx.coroutines.flow.flowOn private const val TAG = "AppStorageSize" @Composable fun ApplicationInfo.getStorageSize(): State<String> { val context = LocalContext.current return remember(this) { flow { val sizeBytes = calculateSizeBytes(context) this.emit(if (sizeBytes != null) Formatter.formatFileSize(context, sizeBytes) else "") }.flowOn(Dispatchers.IO) }.collectAsStateWithLifecycle(initialValue = placeholder()) } fun ApplicationInfo.getStorageSize(): State<String> = getStorageSize(rememberContext(::AppStorageRepositoryImpl)) fun ApplicationInfo.calculateSizeBytes(context: Context): Long? { val storageStatsManager = context.storageStatsManager return try { val stats = storageStatsManager.queryStatsForPackage(storageUuid, packageName, userHandle) stats.codeBytes + stats.dataBytes } catch (e: Exception) { Log.w(TAG, "Failed to query stats: $e") null @VisibleForTesting @Composable fun ApplicationInfo.getStorageSize(appStorageRepository: AppStorageRepository): State<String> { val app = this return remember(app) { flow { emit(appStorageRepository.formatSize(app)) }.flowOn(Dispatchers.Default) } .collectAsStateWithLifecycle(initialValue = placeholder()) } packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppStorageRepositoryTest.kt 0 → 100644 +94 −0 Original line number Diff line number Diff line /* * Copyright (C) 2025 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 * * http://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.android.settingslib.spaprivileged.model.app import android.app.usage.StorageStats import android.app.usage.StorageStatsManager import android.content.Context import android.content.pm.ApplicationInfo import android.content.pm.PackageManager.NameNotFoundException import androidx.test.core.app.ApplicationProvider import androidx.test.ext.junit.runners.AndroidJUnit4 import com.android.settingslib.spaprivileged.framework.common.storageStatsManager import com.google.common.truth.Truth.assertThat import org.junit.Test import org.junit.runner.RunWith import org.mockito.kotlin.doReturn import org.mockito.kotlin.doThrow import org.mockito.kotlin.mock import org.mockito.kotlin.spy import org.mockito.kotlin.stub import java.util.UUID @RunWith(AndroidJUnit4::class) class AppStorageRepositoryTest { private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() } private val mockStorageStatsManager = mock<StorageStatsManager> { on { queryStatsForPackage(app.storageUuid, app.packageName, app.userHandle) } doReturn STATS } private val context: Context = spy(ApplicationProvider.getApplicationContext()) { on { storageStatsManager } doReturn mockStorageStatsManager } private val repository = AppStorageRepositoryImpl(context) @Test fun calculateSizeBytes() { val sizeBytes = repository.calculateSizeBytes(app) assertThat(sizeBytes).isEqualTo(120) } @Test fun formatSize() { val fileSize = repository.formatSize(app) assertThat(fileSize).isEqualTo("120 byte") } @Test fun formatSize_throwException() { mockStorageStatsManager.stub { on { queryStatsForPackage(app.storageUuid, app.packageName, app.userHandle) } doThrow NameNotFoundException() } val fileSize = repository.formatSize(app) assertThat(fileSize).isEqualTo("") } @Test fun formatSizeBytes() { val fileSize = repository.formatSizeBytes(120) assertThat(fileSize).isEqualTo("120 byte") } companion object { private val STATS = StorageStats().apply { codeBytes = 100 dataBytes = 20 } } } packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/template/app/AppStorageSizeTest.kt +12 −73 Original line number Diff line number Diff line Loading @@ -16,98 +16,37 @@ package com.android.settingslib.spaprivileged.template.app import android.app.usage.StorageStats import android.app.usage.StorageStatsManager import android.content.Context import android.content.pm.ApplicationInfo import android.content.pm.PackageManager.NameNotFoundException import androidx.compose.runtime.CompositionLocalProvider import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.test.junit4.createComposeRule import androidx.test.core.app.ApplicationProvider import androidx.test.ext.junit.runners.AndroidJUnit4 import com.android.settingslib.spa.framework.compose.stateOf import com.android.settingslib.spaprivileged.framework.common.storageStatsManager import com.android.settingslib.spaprivileged.model.app.userHandle import java.util.UUID import org.junit.Before import com.android.settingslib.spaprivileged.model.app.AppStorageRepository import org.junit.Rule import org.junit.Test import org.junit.runner.RunWith import org.mockito.Mock import org.mockito.Spy import org.mockito.junit.MockitoJUnit import org.mockito.junit.MockitoRule import org.mockito.kotlin.whenever import org.mockito.kotlin.doReturn import org.mockito.kotlin.mock import java.util.UUID @RunWith(AndroidJUnit4::class) class AppStorageSizeTest { @get:Rule val mockito: MockitoRule = MockitoJUnit.rule() @get:Rule val composeTestRule = createComposeRule() @get:Rule val composeTestRule = createComposeRule() @Spy private val context: Context = ApplicationProvider.getApplicationContext() private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() } @Mock private lateinit var storageStatsManager: StorageStatsManager private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() } @Before fun setUp() { whenever(context.storageStatsManager).thenReturn(storageStatsManager) whenever( storageStatsManager.queryStatsForPackage( app.storageUuid, app.packageName, app.userHandle, ) ).thenReturn(STATS) } private val mockAppStorageRepository = mock<AppStorageRepository> { on { formatSize(app) } doReturn SIZE } @Test fun getStorageSize() { var storageSize = stateOf("") composeTestRule.setContent { CompositionLocalProvider(LocalContext provides context) { storageSize = app.getStorageSize() } } composeTestRule.setContent { storageSize = app.getStorageSize(mockAppStorageRepository) } composeTestRule.waitUntil { storageSize.value == "120 B" } composeTestRule.waitUntil { storageSize.value == SIZE } } @Test fun getStorageSize_throwException() { var storageSize = stateOf("Computing") whenever( storageStatsManager.queryStatsForPackage( app.storageUuid, app.packageName, app.userHandle, ) ).thenThrow(NameNotFoundException()) composeTestRule.setContent { CompositionLocalProvider(LocalContext provides context) { storageSize = app.getStorageSize() } } composeTestRule.waitUntil { storageSize.value == "" } } companion object { private val STATS = StorageStats().apply { codeBytes = 100 dataBytes = 20 cacheBytes = 3 } private companion object { const val SIZE = "120 kB" } } Loading
packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/framework/common/BytesFormatter.kt +16 −1 Original line number Diff line number Diff line Loading @@ -24,6 +24,7 @@ import android.icu.text.NumberFormat import android.icu.text.UnicodeSet import android.icu.text.UnicodeSetSpanner import android.icu.util.Measure import android.text.BidiFormatter import android.text.format.Formatter import android.text.format.Formatter.RoundedBytesResult import java.math.BigDecimal Loading @@ -40,11 +41,17 @@ class BytesFormatter(resources: Resources) { constructor(context: Context) : this(context.resources) private val locale = resources.configuration.locales[0] private val bidiFormatter = BidiFormatter.getInstance(locale) fun format(bytes: Long, useCase: UseCase): String { val rounded = RoundedBytesResult.roundBytes(bytes, useCase.flag) val numberFormatter = getNumberFormatter(rounded.fractionDigits) return numberFormatter.formatRoundedBytesResult(rounded) val formattedString = numberFormatter.formatRoundedBytesResult(rounded) return if (useCase == UseCase.FileSize) { formattedString.bidiWrap() } else { formattedString } } fun formatWithUnits(bytes: Long, useCase: UseCase): Result { Loading Loading @@ -74,6 +81,14 @@ class BytesFormatter(resources: Resources) { } } /** Wraps the source string in bidi formatting characters in RTL locales. */ private fun String.bidiWrap(): String = if (bidiFormatter.isRtlContext) { bidiFormatter.unicodeWrap(this) } else { this } private companion object { fun String.removeFirst(removed: String): String = SPACES_AND_CONTROLS.trim(replaceFirst(removed, "")).toString() Loading
packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppStorageRepository.kt 0 → 100644 +92 −0 Original line number Diff line number Diff line /* * Copyright (C) 2025 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 * * http://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.android.settingslib.spaprivileged.model.app import android.content.Context import android.content.pm.ApplicationInfo import android.util.Log import com.android.settingslib.spaprivileged.framework.common.BytesFormatter import com.android.settingslib.spaprivileged.framework.common.storageStatsManager /** A repository interface for accessing and formatting app storage information. */ interface AppStorageRepository { /** * Formats the size of an application into a human-readable string. * * This function retrieves the total size of the application, including APK file and its * associated data. * * This function takes an [ApplicationInfo] object as input and returns a formatted string * representing the size of the application. The size is formatted in units like kB, MB, GB, * etc. * * @param app The [ApplicationInfo] object representing the application. * @return A formatted string representing the size of the application. */ fun formatSize(app: ApplicationInfo): String /** * Formats the size about an application into a human-readable string. * * @param sizeBytes The size in bytes to format. * @return A formatted string representing the size about application. */ fun formatSizeBytes(sizeBytes: Long): String /** * Calculates the size of an application in bytes. * * This function retrieves the total size of the application, including APK file and its * associated data. * * @param app The [ApplicationInfo] object representing the application. * @return The total size of the application in bytes, or null if the size could not be * determined. */ fun calculateSizeBytes(app: ApplicationInfo): Long? } class AppStorageRepositoryImpl(context: Context) : AppStorageRepository { private val storageStatsManager = context.storageStatsManager private val bytesFormatter = BytesFormatter(context) override fun formatSize(app: ApplicationInfo): String { val sizeBytes = calculateSizeBytes(app) return if (sizeBytes != null) formatSizeBytes(sizeBytes) else "" } override fun formatSizeBytes(sizeBytes: Long): String = bytesFormatter.format(sizeBytes, BytesFormatter.UseCase.FileSize) override fun calculateSizeBytes(app: ApplicationInfo): Long? = try { val stats = storageStatsManager.queryStatsForPackage( app.storageUuid, app.packageName, app.userHandle, ) stats.codeBytes + stats.dataBytes } catch (e: Exception) { Log.w(TAG, "Failed to query stats", e) null } companion object { private const val TAG = "AppStorageRepository" } }
packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/AppStorageSize.kt +14 −26 Original line number Diff line number Diff line Loading @@ -16,42 +16,30 @@ package com.android.settingslib.spaprivileged.template.app import android.content.Context import android.content.pm.ApplicationInfo import android.text.format.Formatter import android.util.Log import androidx.annotation.VisibleForTesting import androidx.compose.runtime.Composable import androidx.compose.runtime.State import androidx.compose.runtime.remember import androidx.compose.ui.platform.LocalContext import androidx.lifecycle.compose.collectAsStateWithLifecycle import com.android.settingslib.spaprivileged.framework.common.storageStatsManager import com.android.settingslib.spa.framework.compose.rememberContext import com.android.settingslib.spaprivileged.framework.compose.placeholder import com.android.settingslib.spaprivileged.model.app.userHandle import com.android.settingslib.spaprivileged.model.app.AppStorageRepository import com.android.settingslib.spaprivileged.model.app.AppStorageRepositoryImpl import kotlinx.coroutines.Dispatchers import kotlinx.coroutines.flow.flow import kotlinx.coroutines.flow.flowOn private const val TAG = "AppStorageSize" @Composable fun ApplicationInfo.getStorageSize(): State<String> { val context = LocalContext.current return remember(this) { flow { val sizeBytes = calculateSizeBytes(context) this.emit(if (sizeBytes != null) Formatter.formatFileSize(context, sizeBytes) else "") }.flowOn(Dispatchers.IO) }.collectAsStateWithLifecycle(initialValue = placeholder()) } fun ApplicationInfo.getStorageSize(): State<String> = getStorageSize(rememberContext(::AppStorageRepositoryImpl)) fun ApplicationInfo.calculateSizeBytes(context: Context): Long? { val storageStatsManager = context.storageStatsManager return try { val stats = storageStatsManager.queryStatsForPackage(storageUuid, packageName, userHandle) stats.codeBytes + stats.dataBytes } catch (e: Exception) { Log.w(TAG, "Failed to query stats: $e") null @VisibleForTesting @Composable fun ApplicationInfo.getStorageSize(appStorageRepository: AppStorageRepository): State<String> { val app = this return remember(app) { flow { emit(appStorageRepository.formatSize(app)) }.flowOn(Dispatchers.Default) } .collectAsStateWithLifecycle(initialValue = placeholder()) }
packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/AppStorageRepositoryTest.kt 0 → 100644 +94 −0 Original line number Diff line number Diff line /* * Copyright (C) 2025 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 * * http://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.android.settingslib.spaprivileged.model.app import android.app.usage.StorageStats import android.app.usage.StorageStatsManager import android.content.Context import android.content.pm.ApplicationInfo import android.content.pm.PackageManager.NameNotFoundException import androidx.test.core.app.ApplicationProvider import androidx.test.ext.junit.runners.AndroidJUnit4 import com.android.settingslib.spaprivileged.framework.common.storageStatsManager import com.google.common.truth.Truth.assertThat import org.junit.Test import org.junit.runner.RunWith import org.mockito.kotlin.doReturn import org.mockito.kotlin.doThrow import org.mockito.kotlin.mock import org.mockito.kotlin.spy import org.mockito.kotlin.stub import java.util.UUID @RunWith(AndroidJUnit4::class) class AppStorageRepositoryTest { private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() } private val mockStorageStatsManager = mock<StorageStatsManager> { on { queryStatsForPackage(app.storageUuid, app.packageName, app.userHandle) } doReturn STATS } private val context: Context = spy(ApplicationProvider.getApplicationContext()) { on { storageStatsManager } doReturn mockStorageStatsManager } private val repository = AppStorageRepositoryImpl(context) @Test fun calculateSizeBytes() { val sizeBytes = repository.calculateSizeBytes(app) assertThat(sizeBytes).isEqualTo(120) } @Test fun formatSize() { val fileSize = repository.formatSize(app) assertThat(fileSize).isEqualTo("120 byte") } @Test fun formatSize_throwException() { mockStorageStatsManager.stub { on { queryStatsForPackage(app.storageUuid, app.packageName, app.userHandle) } doThrow NameNotFoundException() } val fileSize = repository.formatSize(app) assertThat(fileSize).isEqualTo("") } @Test fun formatSizeBytes() { val fileSize = repository.formatSizeBytes(120) assertThat(fileSize).isEqualTo("120 byte") } companion object { private val STATS = StorageStats().apply { codeBytes = 100 dataBytes = 20 } } }
packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/template/app/AppStorageSizeTest.kt +12 −73 Original line number Diff line number Diff line Loading @@ -16,98 +16,37 @@ package com.android.settingslib.spaprivileged.template.app import android.app.usage.StorageStats import android.app.usage.StorageStatsManager import android.content.Context import android.content.pm.ApplicationInfo import android.content.pm.PackageManager.NameNotFoundException import androidx.compose.runtime.CompositionLocalProvider import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.test.junit4.createComposeRule import androidx.test.core.app.ApplicationProvider import androidx.test.ext.junit.runners.AndroidJUnit4 import com.android.settingslib.spa.framework.compose.stateOf import com.android.settingslib.spaprivileged.framework.common.storageStatsManager import com.android.settingslib.spaprivileged.model.app.userHandle import java.util.UUID import org.junit.Before import com.android.settingslib.spaprivileged.model.app.AppStorageRepository import org.junit.Rule import org.junit.Test import org.junit.runner.RunWith import org.mockito.Mock import org.mockito.Spy import org.mockito.junit.MockitoJUnit import org.mockito.junit.MockitoRule import org.mockito.kotlin.whenever import org.mockito.kotlin.doReturn import org.mockito.kotlin.mock import java.util.UUID @RunWith(AndroidJUnit4::class) class AppStorageSizeTest { @get:Rule val mockito: MockitoRule = MockitoJUnit.rule() @get:Rule val composeTestRule = createComposeRule() @get:Rule val composeTestRule = createComposeRule() @Spy private val context: Context = ApplicationProvider.getApplicationContext() private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() } @Mock private lateinit var storageStatsManager: StorageStatsManager private val app = ApplicationInfo().apply { storageUuid = UUID.randomUUID() } @Before fun setUp() { whenever(context.storageStatsManager).thenReturn(storageStatsManager) whenever( storageStatsManager.queryStatsForPackage( app.storageUuid, app.packageName, app.userHandle, ) ).thenReturn(STATS) } private val mockAppStorageRepository = mock<AppStorageRepository> { on { formatSize(app) } doReturn SIZE } @Test fun getStorageSize() { var storageSize = stateOf("") composeTestRule.setContent { CompositionLocalProvider(LocalContext provides context) { storageSize = app.getStorageSize() } } composeTestRule.setContent { storageSize = app.getStorageSize(mockAppStorageRepository) } composeTestRule.waitUntil { storageSize.value == "120 B" } composeTestRule.waitUntil { storageSize.value == SIZE } } @Test fun getStorageSize_throwException() { var storageSize = stateOf("Computing") whenever( storageStatsManager.queryStatsForPackage( app.storageUuid, app.packageName, app.userHandle, ) ).thenThrow(NameNotFoundException()) composeTestRule.setContent { CompositionLocalProvider(LocalContext provides context) { storageSize = app.getStorageSize() } } composeTestRule.waitUntil { storageSize.value == "" } } companion object { private val STATS = StorageStats().apply { codeBytes = 100 dataBytes = 20 cacheBytes = 3 } private companion object { const val SIZE = "120 kB" } }