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BackupAndRestoreViewModelTest.kt
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BackupAndRestoreViewModelTest.kt
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/*
* Wire
* Copyright (C) 2023 Wire Swiss GmbH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
*
*/
package com.wire.android.ui.home.settings.home
import android.net.Uri
import androidx.compose.ui.text.input.TextFieldValue
import androidx.core.net.toUri
import com.wire.android.config.CoroutineTestExtension
import com.wire.android.config.TestDispatcherProvider
import com.wire.android.framework.FakeKaliumFileSystem
import com.wire.android.ui.home.settings.backup.BackupAndRestoreState
import com.wire.android.ui.home.settings.backup.BackupAndRestoreViewModel
import com.wire.android.ui.home.settings.backup.BackupCreationProgress
import com.wire.android.ui.home.settings.backup.BackupRestoreProgress
import com.wire.android.ui.home.settings.backup.PasswordValidation
import com.wire.android.ui.home.settings.backup.RestoreFileValidation
import com.wire.android.util.FileManager
import com.wire.kalium.logic.CoreFailure
import com.wire.kalium.logic.feature.auth.ValidatePasswordResult
import com.wire.kalium.logic.feature.auth.ValidatePasswordUseCase
import com.wire.kalium.logic.feature.backup.CreateBackupResult
import com.wire.kalium.logic.feature.backup.CreateBackupUseCase
import com.wire.kalium.logic.feature.backup.RestoreBackupResult
import com.wire.kalium.logic.feature.backup.RestoreBackupResult.BackupRestoreFailure.BackupIOFailure
import com.wire.kalium.logic.feature.backup.RestoreBackupResult.BackupRestoreFailure.IncompatibleBackup
import com.wire.kalium.logic.feature.backup.RestoreBackupResult.BackupRestoreFailure.InvalidPassword
import com.wire.kalium.logic.feature.backup.RestoreBackupResult.BackupRestoreFailure.InvalidUserId
import com.wire.kalium.logic.feature.backup.RestoreBackupResult.Failure
import com.wire.kalium.logic.feature.backup.RestoreBackupUseCase
import com.wire.kalium.logic.feature.backup.VerifyBackupResult
import com.wire.kalium.logic.feature.backup.VerifyBackupUseCase
import io.mockk.MockKAnnotations
import io.mockk.coEvery
import io.mockk.coVerify
import io.mockk.every
import io.mockk.impl.annotations.MockK
import io.mockk.mockk
import io.mockk.mockkStatic
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.test.advanceUntilIdle
import kotlinx.coroutines.test.runTest
import okio.IOException
import okio.Path.Companion.toPath
import okio.buffer
import org.amshove.kluent.internal.assertEquals
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.ExtendWith
@OptIn(ExperimentalCoroutinesApi::class)
@ExtendWith(CoroutineTestExtension::class)
class BackupAndRestoreViewModelTest {
private val dispatcher = TestDispatcherProvider()
@Test
fun givenAnEmptyPassword_whenCreatingABackup_thenItCreatesItSuccessfully() = runTest(dispatcher.default()) {
// Given
val emptyPassword = ""
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withSuccessfulCreation(emptyPassword)
.arrange()
// When
backupAndRestoreViewModel.createBackup(emptyPassword)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.latestCreatedBackup?.isEncrypted == false)
assert(backupAndRestoreViewModel.state.backupCreationProgress is BackupCreationProgress.Finished)
coVerify(exactly = 1) { arrangement.createBackupFile(password = emptyPassword) }
}
@Test
fun givenANonEmptyPassword_whenCreatingABackup_thenItCreatesItSuccessfully() = runTest(dispatcher.default()) {
// Given
val password = "mayTh3ForceBeWIthYou"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withSuccessfulCreation(password)
.arrange()
// When
backupAndRestoreViewModel.createBackup(password)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.latestCreatedBackup?.isEncrypted == true)
assert(backupAndRestoreViewModel.state.backupCreationProgress is BackupCreationProgress.Finished)
coVerify(exactly = 1) { arrangement.createBackupFile(password = password) }
}
@Test
fun givenAnEmptyPassword_whenValidating_thenItUpdatePasswordStateToValid() = runTest(dispatcher.default()) {
// Given
val password = ""
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withInvalidPassword()
.arrange()
// When
backupAndRestoreViewModel.validateBackupCreationPassword(TextFieldValue(password))
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.passwordValidation.isValid)
coVerify(exactly = 0) { arrangement.validatePassword(any()) }
}
@Test
fun givenANonEmptyPassword_whenItIsInvalid_thenItUpdatePasswordValidationState() = runTest(dispatcher.default()) {
// Given
val password = "mayTh3ForceBeWIthYou"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withInvalidPassword()
.arrange()
// When
backupAndRestoreViewModel.validateBackupCreationPassword(TextFieldValue(password))
advanceUntilIdle()
// Then
assert(!backupAndRestoreViewModel.state.passwordValidation.isValid)
}
@Test
fun givenANonEmptyPassword_whenItIsValid_thenItUpdatePasswordValidationState() = runTest(dispatcher.default()) {
// Given
val password = "mayTh3ForceBeWIthYou_"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withValidPassword()
.arrange()
// When
backupAndRestoreViewModel.validateBackupCreationPassword(TextFieldValue(password))
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.passwordValidation.isValid)
}
@Test
fun givenANonEmptyPassword_whenCreatingABackupWithAGivenError_thenItReturnsAFailure() = runTest(dispatcher.default()) {
// Given
val password = "mayTh3ForceBeWIthYou"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withFailedCreation(password)
.arrange()
// When
backupAndRestoreViewModel.createBackup(password)
advanceUntilIdle()
// Then
assertEquals(backupAndRestoreViewModel.state.backupCreationProgress, BackupCreationProgress.Failed)
assert(backupAndRestoreViewModel.latestCreatedBackup == null)
coVerify(exactly = 1) { arrangement.createBackupFile(password = password) }
}
@Test
fun givenACreatedBackup_whenSharingIt_thenTheStateIsReset() = runTest(dispatcher.default()) {
// Given
val storedBackup = BackupAndRestoreState.CreatedBackup("backupFilePath".toPath(), "backupName.zip", 100L, true)
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withPreviouslyCreatedBackup(storedBackup)
.arrange()
// When
backupAndRestoreViewModel.shareBackup()
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.latestCreatedBackup == storedBackup)
assert(backupAndRestoreViewModel.state == BackupAndRestoreState.INITIAL_STATE)
coVerify(exactly = 1) {
arrangement.fileManager.shareWithExternalApp(
storedBackup.path,
storedBackup.assetName,
any()
)
}
}
@Test
fun givenACreatedBackup_whenSavingIt_thenTheStateIsReset() = runTest(dispatcher.default()) {
// Given
val storedBackup = BackupAndRestoreState.CreatedBackup("backupFilePath".toPath(), "backupName.zip", 100L, true)
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withPreviouslyCreatedBackup(storedBackup)
.arrange()
val backupUri = "some-backup".toUri()
// When
backupAndRestoreViewModel.saveBackup(backupUri)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.latestCreatedBackup == storedBackup)
assert(backupAndRestoreViewModel.state == BackupAndRestoreState.INITIAL_STATE)
coVerify(exactly = 1) {
arrangement.fileManager.copyToUri(
storedBackup.path,
backupUri,
any()
)
}
}
@Test
fun givenANonEncryptedBackup_whenChoosingIt_thenTheRestoreProgressUpdatesCorrectly() = runTest(dispatcher.default()) {
// Given
val isBackupEncrypted = false
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withSuccessfulDBImport(isBackupEncrypted)
.arrange()
val backupUri = "some-backup".toUri()
// When
backupAndRestoreViewModel.chooseBackupFileToRestore(backupUri)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.Finished)
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.ValidNonEncryptedBackup)
assert(arrangement.fakeKaliumFileSystem.exists(backupAndRestoreViewModel.latestImportedBackupTempPath))
coVerify(exactly = 1) {
arrangement.fileManager.copyToPath(backupUri, backupAndRestoreViewModel.latestImportedBackupTempPath, any())
}
}
@Test
fun givenAStoredEncryptedBackup_whenChoosingIt_thenTheRequirePasswordDialogIsShown() = runTest(dispatcher.default()) {
// Given
val isBackupEncrypted = true
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withSuccessfulDBImport(isBackupEncrypted)
.arrange()
val backupUri = "some-backup".toUri()
// When
backupAndRestoreViewModel.chooseBackupFileToRestore(backupUri)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.PasswordRequired)
assert(arrangement.fakeKaliumFileSystem.exists(backupAndRestoreViewModel.latestImportedBackupTempPath))
coVerify(exactly = 1) {
arrangement.fileManager.copyToPath(backupUri, backupAndRestoreViewModel.latestImportedBackupTempPath, any())
}
}
@Test
fun givenAStoredBackup_whenThereIsAnErrorVerifyingItsEncryption_thenTheRightErrorDialogIsShown() = runTest(dispatcher.default()) {
// Given
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withFailedBackupVerification()
.arrange()
val backupUri = "some-backup".toUri()
// When
backupAndRestoreViewModel.chooseBackupFileToRestore(backupUri)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.IncompatibleBackup)
assert(arrangement.fakeKaliumFileSystem.exists(backupAndRestoreViewModel.latestImportedBackupTempPath))
coVerify(exactly = 1) {
arrangement.fileManager.copyToPath(backupUri, backupAndRestoreViewModel.latestImportedBackupTempPath, any())
}
}
@Test
fun givenAStoredBackup_whenThereIsAnErrorImportingTheDB_thenTheRightErrorDialogIsShown() = runTest(dispatcher.default()) {
// Given
val backupUri = "some-backup".toUri()
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withFailedDBImport()
.arrange()
// When
backupAndRestoreViewModel.chooseBackupFileToRestore(backupUri)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.IncompatibleBackup)
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.Failed)
assert(arrangement.fakeKaliumFileSystem.exists(backupAndRestoreViewModel.latestImportedBackupTempPath))
coVerify(exactly = 1) {
arrangement.fileManager.copyToPath(backupUri, backupAndRestoreViewModel.latestImportedBackupTempPath, any())
}
}
@Test
fun givenARestoreDialogShown_whenDismissingIt_thenTheTempImportedBackupPathIsDeleted() = runTest(dispatcher.default()) {
// Given
val mockUri = "some-backup"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withSuccessfulDBImport(false)
.arrange()
val backupUri = mockUri.toUri()
// When
backupAndRestoreViewModel.chooseBackupFileToRestore(backupUri)
advanceUntilIdle()
backupAndRestoreViewModel.cancelBackupRestore()
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.Initial)
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.InProgress(0f))
assert(backupAndRestoreViewModel.state.restorePasswordValidation == PasswordValidation.NotVerified)
assert(!arrangement.fakeKaliumFileSystem.exists(backupAndRestoreViewModel.latestImportedBackupTempPath))
coVerify(exactly = 1) {
arrangement.fileManager.copyToPath(backupUri, backupAndRestoreViewModel.latestImportedBackupTempPath, any())
}
}
@Test
fun givenAPasswordEncryptedBackup_whenRestoringIt_thenTheCorrectSuccessDialogIsShown() = runTest(dispatcher.default()) {
// Given
val password = "some-password"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withSuccessfulBackupRestore()
.withRequestedPasswordDialog()
.arrange()
// When
backupAndRestoreViewModel.restorePasswordProtectedBackup(password)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.Finished)
assert(backupAndRestoreViewModel.state.restorePasswordValidation == PasswordValidation.Valid)
assert(!arrangement.fakeKaliumFileSystem.exists(backupAndRestoreViewModel.latestImportedBackupTempPath))
coVerify(exactly = 1) {
arrangement.importBackup(any(), password)
}
}
@Test
fun givenAPasswordEncryptedBackup_whenRestoringWithWrongPassword_thenTheCorrectErrorDialogIsShown() = runTest(dispatcher.default()) {
// Given
val password = "some-password"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withFailedDBImport(Failure(InvalidPassword))
.withRequestedPasswordDialog()
.arrange()
// When
backupAndRestoreViewModel.restorePasswordProtectedBackup(password)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.Failed)
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.PasswordRequired)
assert(backupAndRestoreViewModel.state.restorePasswordValidation == PasswordValidation.NotValid)
coVerify(exactly = 1) {
arrangement.importBackup(any(), password)
}
}
@Test
fun givenAPasswordEncryptedBackup_whenRestoringAnInvalidUserIdBackup_thenTheCorrectErrorDialogIsShown() =
runTest(dispatcher.default()) {
// Given
val password = "some-password"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withFailedDBImport(Failure(InvalidUserId))
.withRequestedPasswordDialog()
.arrange()
// When
backupAndRestoreViewModel.restorePasswordProtectedBackup(password)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.Failed)
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.WrongBackup)
assert(backupAndRestoreViewModel.state.restorePasswordValidation == PasswordValidation.Valid)
coVerify(exactly = 1) {
arrangement.importBackup(any(), password)
}
}
@Test
fun givenAPasswordEncryptedBackup_whenRestoringAnIncompatibleBackup_thenTheCorrectErrorDialogIsShown() = runTest(dispatcher.default()) {
// Given
val password = "some-password"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withFailedDBImport(Failure(IncompatibleBackup("old format backup")))
.withRequestedPasswordDialog()
.arrange()
// When
backupAndRestoreViewModel.restorePasswordProtectedBackup(password)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.Failed)
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.IncompatibleBackup)
assert(backupAndRestoreViewModel.state.restorePasswordValidation == PasswordValidation.Valid)
coVerify(exactly = 1) {
arrangement.importBackup(any(), password)
}
}
@Test
fun givenAPasswordEncryptedBackup_whenRestoringABackupWithAnIOError_thenTheCorrectErrorDialogIsShown() = runTest(dispatcher.default()) {
// Given
val password = "some-password"
val (arrangement, backupAndRestoreViewModel) = Arrangement()
.withFailedDBImport(Failure(BackupIOFailure("IO error")))
.withRequestedPasswordDialog()
.arrange()
// When
backupAndRestoreViewModel.restorePasswordProtectedBackup(password)
advanceUntilIdle()
// Then
assert(backupAndRestoreViewModel.state.backupRestoreProgress == BackupRestoreProgress.Failed)
assert(backupAndRestoreViewModel.state.restoreFileValidation == RestoreFileValidation.GeneralFailure)
assert(backupAndRestoreViewModel.state.restorePasswordValidation == PasswordValidation.Valid)
coVerify(exactly = 1) {
arrangement.importBackup(any(), password)
}
}
private inner class Arrangement {
init {
// Tests setup
MockKAnnotations.init(this, relaxUnitFun = true)
val mockUri = mockk<Uri>()
mockkStatic(Uri::class)
every { Uri.parse("some-backup") } returns mockUri
coEvery { importBackup(any(), any()) } returns RestoreBackupResult.Success
coEvery { createBackupFile(any()) } returns CreateBackupResult.Success("".toPath(), 0L, "")
coEvery { verifyBackup(any()) } returns VerifyBackupResult.Success.Encrypted
}
@MockK
lateinit var importBackup: RestoreBackupUseCase
@MockK
lateinit var createBackupFile: CreateBackupUseCase
@MockK
private lateinit var verifyBackup: VerifyBackupUseCase
@MockK
lateinit var validatePassword: ValidatePasswordUseCase
@MockK
lateinit var fileManager: FileManager
val fakeKaliumFileSystem = FakeKaliumFileSystem()
private val viewModel = BackupAndRestoreViewModel(
importBackup = importBackup,
createBackupFile = createBackupFile,
verifyBackup = verifyBackup,
kaliumFileSystem = fakeKaliumFileSystem,
dispatcher = dispatcher,
fileManager = fileManager,
validatePassword = validatePassword
)
fun withSuccessfulCreation(password: String) = apply {
val backupFilePath = "some-file-path".toPath()
val backupSize = 1000L
val backupName = "some-backup.zip"
coEvery { createBackupFile(eq(password)) } returns CreateBackupResult.Success(backupFilePath, backupSize, backupName)
}
fun withFailedCreation(password: String) = apply {
coEvery { createBackupFile(eq(password)) } returns CreateBackupResult.Failure(CoreFailure.Unknown(IOException("Some db error")))
}
fun withPreviouslyCreatedBackup(backup: BackupAndRestoreState.CreatedBackup) = apply {
viewModel.latestCreatedBackup = backup
viewModel.state = viewModel.state.copy(backupCreationProgress = BackupCreationProgress.Finished(backup.assetName))
}
fun withSuccessfulBackupRestore() = apply {
viewModel.latestImportedBackupTempPath =
fakeKaliumFileSystem.tempFilePath(BackupAndRestoreViewModel.TEMP_IMPORTED_BACKUP_FILE_NAME)
coEvery { importBackup(any(), any()) } returns RestoreBackupResult.Success
}
fun withRequestedPasswordDialog() = apply {
viewModel.state = viewModel.state.copy(restoreFileValidation = RestoreFileValidation.PasswordRequired)
}
fun withSuccessfulDBImport(isEncrypted: Boolean) = apply {
coEvery { fileManager.copyToPath(any(), any(), any()) } returns (100L).also {
viewModel.latestImportedBackupTempPath =
fakeKaliumFileSystem.tempFilePath(BackupAndRestoreViewModel.TEMP_IMPORTED_BACKUP_FILE_NAME)
fakeKaliumFileSystem.sink(viewModel.latestImportedBackupTempPath).buffer().use {
it.write("someBackupData".toByteArray())
}
}
coEvery { verifyBackup(any()) } returns
if (isEncrypted) VerifyBackupResult.Success.Encrypted else VerifyBackupResult.Success.NotEncrypted
coEvery { importBackup(any(), any()) } returns RestoreBackupResult.Success
}
fun withFailedBackupVerification() = apply {
coEvery { fileManager.copyToPath(any(), any(), any()) } returns (100L).also {
viewModel.latestImportedBackupTempPath =
fakeKaliumFileSystem.tempFilePath(BackupAndRestoreViewModel.TEMP_IMPORTED_BACKUP_FILE_NAME)
fakeKaliumFileSystem.sink(viewModel.latestImportedBackupTempPath).buffer().use {
it.write("someBackupData".toByteArray())
}
}
coEvery { verifyBackup(any()) } returns VerifyBackupResult.Failure.InvalidBackupFile
}
fun withFailedDBImport(error: Failure = Failure(IncompatibleBackup("DB failed to import"))) = apply {
coEvery { fileManager.copyToPath(any(), any(), any()) } returns (100L).also {
viewModel.latestImportedBackupTempPath =
fakeKaliumFileSystem.tempFilePath(BackupAndRestoreViewModel.TEMP_IMPORTED_BACKUP_FILE_NAME)
fakeKaliumFileSystem.sink(viewModel.latestImportedBackupTempPath).buffer().use {
it.write("someBackupData".toByteArray())
}
}
coEvery { verifyBackup(any()) } returns VerifyBackupResult.Success.NotEncrypted
coEvery { importBackup(any(), any()) } returns error
}
fun withValidPassword() = apply {
every { validatePassword(any()) } returns ValidatePasswordResult.Valid
}
fun withInvalidPassword() = apply {
every { validatePassword(any()) } returns ValidatePasswordResult.Invalid()
}
fun arrange() = this to viewModel
}
}