[PM-8137] Refactor FIDO 2 credential registration result object (#3445)

app/src/main/java/com/x8bit/bitwarden/data/autofill/fido2/manager/Fido2CredentialManager.kt

@@ -2,12 +2,12 @@ package com.x8bit.bitwarden.data.autofill.fido2.manager
 
 import com.bitwarden.vault.CipherView
 import com.x8bit.bitwarden.data.autofill.fido2.datasource.network.model.PublicKeyCredentialCreationOptions
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CredentialRequest
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2ValidateOriginResult
 
 /**
- * Responsible for managing FIDO 2 credential creation and authentication.
+ * Responsible for managing FIDO 2 credential registration and authentication.
  */
 interface Fido2CredentialManager {
 
@@ -32,5 +32,5 @@ interface Fido2CredentialManager {
         userId: String,
         fido2CredentialRequest: Fido2CredentialRequest,
         selectedCipherView: CipherView,
-    ): Fido2CreateCredentialResult
+    ): Fido2RegisterCredentialResult
 }

app/src/main/java/com/x8bit/bitwarden/data/autofill/fido2/manager/Fido2CredentialManagerImpl.kt

@@ -1,6 +1,5 @@
 package com.x8bit.bitwarden.data.autofill.fido2.manager
 
-import androidx.credentials.exceptions.CreateCredentialUnknownException
 import androidx.credentials.provider.CallingAppInfo
 import com.bitwarden.fido.ClientData
 import com.bitwarden.sdk.CheckUserResult
@@ -10,8 +9,8 @@ import com.bitwarden.vault.CipherView
 import com.x8bit.bitwarden.data.autofill.fido2.datasource.network.model.DigitalAssetLinkResponseJson
 import com.x8bit.bitwarden.data.autofill.fido2.datasource.network.model.PublicKeyCredentialCreationOptions
 import com.x8bit.bitwarden.data.autofill.fido2.datasource.network.service.DigitalAssetLinkService
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CredentialRequest
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2ValidateOriginResult
 import com.x8bit.bitwarden.data.platform.manager.AssetManager
 import com.x8bit.bitwarden.data.platform.util.asFailure
@@ -46,15 +45,11 @@ class Fido2CredentialManagerImpl(
         userId: String,
         fido2CredentialRequest: Fido2CredentialRequest,
         selectedCipherView: CipherView,
-    ): Fido2CreateCredentialResult {
+    ): Fido2RegisterCredentialResult {
         val clientData = if (fido2CredentialRequest.callingAppInfo.isOriginPopulated()) {
             fido2CredentialRequest.callingAppInfo.getAppSigningSignatureFingerprint()
                 ?.let { ClientData.DefaultWithCustomHash(hash = it) }
-                ?: return Fido2CreateCredentialResult.Error(
+                ?: return Fido2RegisterCredentialResult.Error
-                    exception = CreateCredentialUnknownException(
-                        errorMessage = "Application contains multiple signing certificates.",
-                    ),
-                )
         } else {
             ClientData.DefaultWithExtraData(
                 androidPackageName = fido2CredentialRequest
@@ -82,9 +77,9 @@ class Fido2CredentialManagerImpl(
             .map { it.toAndroidAttestationResponse() }
             .mapCatching { json.encodeToString(it) }
             .fold(
-                onSuccess = { Fido2CreateCredentialResult.Success(it) },
+                onSuccess = { Fido2RegisterCredentialResult.Success(it) },
                 onFailure = {
-                    Fido2CreateCredentialResult.Error(CreateCredentialUnknownException())
+                    Fido2RegisterCredentialResult.Error
                 },
             )
     }

app/src/main/java/com/x8bit/bitwarden/data/autofill/fido2/model/Fido2CreateCredentialResult.kt

@@ -1,23 +0,0 @@
-package com.x8bit.bitwarden.data.autofill.fido2.model
-
-import androidx.credentials.exceptions.CreateCredentialException
-
-/**
- * Models the data returned from creating a FIDO 2 credential.
- */
-sealed class Fido2CreateCredentialResult {
-
-    /**
-     * Models a successful response for creating a credential.
-     */
-    data class Success(
-        val registrationResponse: String,
-    ) : Fido2CreateCredentialResult()
-
-    /**
-     * Models an error response for creating a credential.
-     */
-    data class Error(
-        val exception: CreateCredentialException,
-    ) : Fido2CreateCredentialResult()
-}

app/src/main/java/com/x8bit/bitwarden/data/autofill/fido2/model/Fido2RegisterCredentialResult.kt

@@ -0,0 +1,24 @@
+package com.x8bit.bitwarden.data.autofill.fido2.model
+
+/**
+ * Models the data returned from creating a FIDO 2 credential.
+ */
+sealed class Fido2RegisterCredentialResult {
+
+    /**
+     * Indicates the credential has been successfully registered.
+     */
+    data class Success(
+        val registrationResponse: String,
+    ) : Fido2RegisterCredentialResult()
+
+    /**
+     * Indicates there was an error and the credential was not registered.
+     */
+    data object Error : Fido2RegisterCredentialResult()
+
+    /**
+     * Indicates the user cancelled the request.
+     */
+    data object Cancelled : Fido2RegisterCredentialResult()
+}

app/src/main/java/com/x8bit/bitwarden/ui/autofill/fido2/manager/Fido2CompletionManager.kt

@@ -1,6 +1,6 @@
 package com.x8bit.bitwarden.ui.autofill.fido2.manager
 
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 
 /**
  * A manager for completing the FIDO 2 creation process.
@@ -8,7 +8,7 @@ import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
 interface Fido2CompletionManager {
 
     /**
-     * Completes the FIDO 2 creation process with the provided [result].
+     * Completes the FIDO 2 registration process with the provided [result].
      */
-    fun completeFido2Create(result: Fido2CreateCredentialResult)
+    fun completeFido2Registration(result: Fido2RegisterCredentialResult)
 }

app/src/main/java/com/x8bit/bitwarden/ui/autofill/fido2/manager/Fido2CompletionManagerImpl.kt

@@ -5,8 +5,10 @@ import android.content.Intent
 import android.os.Build
 import androidx.annotation.RequiresApi
 import androidx.credentials.CreatePublicKeyCredentialResponse
+import androidx.credentials.exceptions.CreateCredentialCancellationException
+import androidx.credentials.exceptions.CreateCredentialUnknownException
 import androidx.credentials.provider.PendingIntentHandler
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.platform.annotation.OmitFromCoverage
 
 /**
@@ -18,19 +20,19 @@ class Fido2CompletionManagerImpl(
 ) : Fido2CompletionManager {
 
     @RequiresApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
-    override fun completeFido2Create(result: Fido2CreateCredentialResult) {
+    override fun completeFido2Registration(result: Fido2RegisterCredentialResult) {
         activity.also {
             val intent = Intent()
             when (result) {
-                is Fido2CreateCredentialResult.Error -> {
+                is Fido2RegisterCredentialResult.Error -> {
                     PendingIntentHandler
                         .setCreateCredentialException(
                             intent = intent,
-                            exception = result.exception,
+                            exception = CreateCredentialUnknownException(),
                         )
                 }
 
-                is Fido2CreateCredentialResult.Success -> {
+                is Fido2RegisterCredentialResult.Success -> {
                     PendingIntentHandler
                         .setCreateCredentialResponse(
                             intent = intent,
@@ -39,6 +41,14 @@ class Fido2CompletionManagerImpl(
                             ),
                         )
                 }
+
+                is Fido2RegisterCredentialResult.Cancelled -> {
+                    PendingIntentHandler
+                        .setCreateCredentialException(
+                            intent = intent,
+                            exception = CreateCredentialCancellationException(),
+                        )
+                }
             }
             it.setResult(Activity.RESULT_OK, intent)
             it.finish()

app/src/main/java/com/x8bit/bitwarden/ui/vault/feature/addedit/VaultAddEditScreen.kt

@@ -112,8 +112,8 @@ fun VaultAddEditScreen(
                 )
             }
 
-            is VaultAddEditEvent.CompleteFido2Create -> {
+            is VaultAddEditEvent.CompleteFido2Registration -> {
-                fido2CompletionManager.completeFido2Create(event.result)
+                fido2CompletionManager.completeFido2Registration(event.result)
             }
         }
     }

app/src/main/java/com/x8bit/bitwarden/ui/vault/feature/addedit/VaultAddEditViewModel.kt

@@ -1,7 +1,6 @@
 package com.x8bit.bitwarden.ui.vault.feature.addedit
 
 import android.os.Parcelable
-import androidx.credentials.exceptions.CreateCredentialUnknownException
 import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.viewModelScope
 import com.bitwarden.vault.CipherView
@@ -10,8 +9,8 @@ import com.x8bit.bitwarden.data.auth.repository.AuthRepository
 import com.x8bit.bitwarden.data.auth.repository.model.BreachCountResult
 import com.x8bit.bitwarden.data.auth.repository.model.UserState
 import com.x8bit.bitwarden.data.autofill.fido2.manager.Fido2CredentialManager
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CredentialRequest
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.platform.manager.PolicyManager
 import com.x8bit.bitwarden.data.platform.manager.SpecialCircumstanceManager
 import com.x8bit.bitwarden.data.platform.manager.clipboard.BitwardenClipboardManager
@@ -379,14 +378,12 @@ class VaultAddEditViewModel @Inject constructor(
                 ?: run {
                     sendAction(
                         VaultAddEditAction.Internal.Fido2RegisterCredentialResultReceive(
-                            result = Fido2CreateCredentialResult.Error(
+                            result = Fido2RegisterCredentialResult.Error,
-                                exception = CreateCredentialUnknownException(),
-                            ),
                         ),
                     )
                     return@launch
                 }
-            val result: Fido2CreateCredentialResult =
+            val result: Fido2RegisterCredentialResult =
                 fido2CredentialManager.registerFido2Credential(
                     userId = activeUserId,
                     fido2CredentialRequest = request,
@@ -1356,15 +1353,19 @@ class VaultAddEditViewModel @Inject constructor(
     ) {
         clearDialogState()
         when (action.result) {
-            is Fido2CreateCredentialResult.Error -> {
+            is Fido2RegisterCredentialResult.Error -> {
                 sendEvent(VaultAddEditEvent.ShowToast(R.string.an_error_has_occurred.asText()))
             }
 
-            is Fido2CreateCredentialResult.Success -> {
+            is Fido2RegisterCredentialResult.Success -> {
                 sendEvent(VaultAddEditEvent.ShowToast(R.string.item_updated.asText()))
             }
+
+            Fido2RegisterCredentialResult.Cancelled -> {
+                // no-op: The OS will handle re-displaying the system prompt.
+            }
         }
-        sendEvent(VaultAddEditEvent.CompleteFido2Create(action.result))
+        sendEvent(VaultAddEditEvent.CompleteFido2Registration(action.result))
     }
 
     //endregion Internal Type Handlers
@@ -1989,12 +1990,12 @@ sealed class VaultAddEditEvent {
     ) : VaultAddEditEvent()
 
     /**
-     * Complete the current FIDO 2 credential creation process.
+     * Complete the current FIDO 2 credential registration process.
      *
      * @property result the result of FIDO 2 credential creation.
      */
-    data class CompleteFido2Create(
+    data class CompleteFido2Registration(
-        val result: Fido2CreateCredentialResult,
+        val result: Fido2RegisterCredentialResult,
     ) : VaultAddEditEvent()
 }
 
@@ -2484,7 +2485,7 @@ sealed class VaultAddEditAction {
          * Indicates that the FIDO 2 registration result has been received.
          */
         data class Fido2RegisterCredentialResultReceive(
-            val result: Fido2CreateCredentialResult,
+            val result: Fido2RegisterCredentialResult,
         ) : Internal()
     }
 }

app/src/main/java/com/x8bit/bitwarden/ui/vault/feature/itemlisting/VaultItemListingScreen.kt

@@ -134,8 +134,8 @@ fun VaultItemListingScreen(
                 onNavigateToVaultItemListing(VaultItemListingType.Collection(event.collectionId))
             }
 
-            is VaultItemListingEvent.CompleteFido2Create -> {
+            is VaultItemListingEvent.CompleteFido2Registration -> {
-                fido2CompletionManager.completeFido2Create(event.result)
+                fido2CompletionManager.completeFido2Registration(event.result)
             }
         }
     }

app/src/main/java/com/x8bit/bitwarden/ui/vault/feature/itemlisting/VaultItemListingViewModel.kt

@@ -1,15 +1,14 @@
 package com.x8bit.bitwarden.ui.vault.feature.itemlisting
 
 import android.os.Parcelable
-import androidx.credentials.exceptions.CreateCredentialUnknownException
 import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.viewModelScope
 import com.x8bit.bitwarden.R
 import com.x8bit.bitwarden.data.auth.repository.AuthRepository
 import com.x8bit.bitwarden.data.auth.repository.model.ValidatePasswordResult
 import com.x8bit.bitwarden.data.autofill.fido2.manager.Fido2CredentialManager
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CredentialRequest
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2ValidateOriginResult
 import com.x8bit.bitwarden.data.autofill.manager.AutofillSelectionManager
 import com.x8bit.bitwarden.data.autofill.model.AutofillSelectionData
@@ -408,10 +407,8 @@ class VaultItemListingViewModel @Inject constructor(
 
     private fun handleDismissFido2ErrorDialogClick() {
         sendEvent(
-            VaultItemListingEvent.CompleteFido2Create(
+            VaultItemListingEvent.CompleteFido2Registration(
-                result = Fido2CreateCredentialResult.Error(
+                result = Fido2RegisterCredentialResult.Error,
-                    exception = CreateCredentialUnknownException(),
-                ),
             ),
         )
     }
@@ -766,15 +763,19 @@ class VaultItemListingViewModel @Inject constructor(
     ) {
         mutableStateFlow.update { it.copy(dialogState = null) }
         when (action.result) {
-            is Fido2CreateCredentialResult.Error -> {
+            is Fido2RegisterCredentialResult.Error -> {
                 sendEvent(VaultItemListingEvent.ShowToast(R.string.an_error_has_occurred.asText()))
             }
 
-            is Fido2CreateCredentialResult.Success -> {
+            is Fido2RegisterCredentialResult.Success -> {
                 sendEvent(VaultItemListingEvent.ShowToast(R.string.item_updated.asText()))
             }
+
+            Fido2RegisterCredentialResult.Cancelled -> {
+                // no-op: The OS will handle re-displaying the system prompt.
+            }
         }
-        sendEvent(VaultItemListingEvent.CompleteFido2Create(action.result))
+        sendEvent(VaultItemListingEvent.CompleteFido2Registration(action.result))
     }
 
     private fun handleValidateFido2OriginResultReceive(
@@ -1346,8 +1347,8 @@ sealed class VaultItemListingEvent {
      *
      * @property result the result of FIDO 2 credential creation.
      */
-    data class CompleteFido2Create(
+    data class CompleteFido2Registration(
-        val result: Fido2CreateCredentialResult,
+        val result: Fido2RegisterCredentialResult,
     ) : VaultItemListingEvent()
 }
 
@@ -1529,7 +1530,7 @@ sealed class VaultItemListingsAction {
          * Indicates that a result for FIDO 2 credential registration has been received.
          */
         data class Fido2RegisterCredentialResultReceive(
-            val result: Fido2CreateCredentialResult,
+            val result: Fido2RegisterCredentialResult,
         ) : Internal()
     }
 }

app/src/test/java/com/x8bit/bitwarden/data/autofill/fido2/manager/Fido2CredentialManagerTest.kt

@@ -10,8 +10,8 @@ import com.x8bit.bitwarden.data.autofill.fido2.datasource.network.model.DigitalA
 import com.x8bit.bitwarden.data.autofill.fido2.datasource.network.model.PublicKeyCredentialCreationOptions
 import com.x8bit.bitwarden.data.autofill.fido2.datasource.network.service.DigitalAssetLinkService
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2AttestationResponse
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CredentialRequest
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2ValidateOriginResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.createMockFido2CredentialRequest
 import com.x8bit.bitwarden.data.platform.manager.AssetManager
@@ -486,7 +486,7 @@ class Fido2CredentialManagerTest {
             )
 
             assertTrue(
-                result is Fido2CreateCredentialResult.Error,
+                result is Fido2RegisterCredentialResult.Error,
             )
         }
 
@@ -530,7 +530,7 @@ class Fido2CredentialManagerTest {
             )
 
             assertTrue(
-                result is Fido2CreateCredentialResult.Error,
+                result is Fido2RegisterCredentialResult.Error,
             )
         }
 }

app/src/test/java/com/x8bit/bitwarden/ui/vault/feature/addedit/VaultAddEditScreenTest.kt

@@ -33,7 +33,7 @@ import androidx.compose.ui.test.performTextInput
 import androidx.compose.ui.test.performTouchInput
 import androidx.core.net.toUri
 import com.bitwarden.vault.UriMatchType
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.platform.repository.util.bufferedMutableSharedFlow
 import com.x8bit.bitwarden.data.vault.datasource.sdk.model.createMockCipherView
 import com.x8bit.bitwarden.ui.autofill.fido2.manager.Fido2CompletionManager
@@ -96,7 +96,7 @@ class VaultAddEditScreenTest : BaseComposeTest() {
         every { launchUri(any()) } just runs
     }
     private val fido2CompletionManager: Fido2CompletionManager = mockk {
-        every { completeFido2Create(any()) } just runs
+        every { completeFido2Registration(any()) } just runs
     }
 
     @Before
@@ -194,11 +194,11 @@ class VaultAddEditScreenTest : BaseComposeTest() {
 
     @Test
     fun `on CompleteFido2Create even should invoke Fido2CompletionManager`() {
-        val result = Fido2CreateCredentialResult.Success(
+        val result = Fido2RegisterCredentialResult.Success(
             registrationResponse = "mockRegistrationResponse",
         )
-        mutableEventFlow.tryEmit(VaultAddEditEvent.CompleteFido2Create(result = result))
+        mutableEventFlow.tryEmit(VaultAddEditEvent.CompleteFido2Registration(result = result))
-        verify { fido2CompletionManager.completeFido2Create(result) }
+        verify { fido2CompletionManager.completeFido2Registration(result) }
     }
 
     @Test

app/src/test/java/com/x8bit/bitwarden/ui/vault/feature/addedit/VaultAddEditViewModelTest.kt

@@ -1,7 +1,6 @@
 package com.x8bit.bitwarden.ui.vault.feature.addedit
 
 import android.content.pm.SigningInfo
-import androidx.credentials.exceptions.CreateCredentialUnknownException
 import androidx.lifecycle.SavedStateHandle
 import app.cash.turbine.test
 import app.cash.turbine.turbineScope
@@ -17,8 +16,8 @@ import com.x8bit.bitwarden.data.auth.repository.model.Organization
 import com.x8bit.bitwarden.data.auth.repository.model.UserState
 import com.x8bit.bitwarden.data.auth.repository.model.VaultUnlockType
 import com.x8bit.bitwarden.data.autofill.fido2.manager.Fido2CredentialManager
-import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CreateCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CredentialRequest
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.autofill.model.AutofillSaveItem
 import com.x8bit.bitwarden.data.autofill.model.AutofillSelectionData
 import com.x8bit.bitwarden.data.platform.manager.PolicyManager
@@ -725,7 +724,7 @@ class VaultAddEditViewModelTest : BaseViewModelTest() {
                     vaultAddEditType = VaultAddEditType.AddItem(VaultItemCipherType.LOGIN),
                 ),
             )
-            val mockCreateResult = Fido2CreateCredentialResult.Success(
+            val mockCreateResult = Fido2RegisterCredentialResult.Success(
                 registrationResponse = "mockRegistrationResponse",
             )
             coEvery {
@@ -750,7 +749,7 @@ class VaultAddEditViewModelTest : BaseViewModelTest() {
                     eventTurbine.awaitItem(),
                 )
                 assertEquals(
-                    VaultAddEditEvent.CompleteFido2Create(result = mockCreateResult),
+                    VaultAddEditEvent.CompleteFido2Registration(result = mockCreateResult),
                     eventTurbine.awaitItem(),
                 )
                 assertEquals(stateWithName, stateTurbine.awaitItem())
@@ -767,7 +766,7 @@ class VaultAddEditViewModelTest : BaseViewModelTest() {
 
     @Suppress("MaxLineLength")
     @Test
-    fun `in add mode during fido2, SaveClick should show dialog, register credential, show toast on error, and emit ExitApp`() =
+    fun `in add mode during fido2, SaveClick should show dialog, register credential, show toast on error, and emit ExitApp when result is Error`() =
         runTest {
             val fido2CredentialRequest = Fido2CredentialRequest(
                 userId = "mockUserId",
@@ -807,9 +806,7 @@ class VaultAddEditViewModelTest : BaseViewModelTest() {
                     vaultAddEditType = VaultAddEditType.AddItem(VaultItemCipherType.LOGIN),
                 ),
             )
-            val mockCreateResult = Fido2CreateCredentialResult.Error(
+            val mockCreateResult = Fido2RegisterCredentialResult.Error
-                exception = CreateCredentialUnknownException(),
-            )
             coEvery {
                 fido2CredentialManager.registerFido2Credential(
                     userId = "mockUserId",
@@ -832,7 +829,7 @@ class VaultAddEditViewModelTest : BaseViewModelTest() {
                     eventTurbine.awaitItem(),
                 )
                 assertEquals(
-                    VaultAddEditEvent.CompleteFido2Create(result = mockCreateResult),
+                    VaultAddEditEvent.CompleteFido2Registration(result = mockCreateResult),
                     eventTurbine.awaitItem(),
                 )
                 assertEquals(stateWithName, stateTurbine.awaitItem())
@@ -847,6 +844,86 @@ class VaultAddEditViewModelTest : BaseViewModelTest() {
             }
         }
 
+    @Suppress("MaxLineLength")
+    @Test
+    fun `in add mode during fido2, SaveClick should show saving dialog, register credential, dismiss dialog, show toast on error, and emit ExitApp when activeUserId is null`() =
+        runTest {
+            val fido2CredentialRequest = Fido2CredentialRequest(
+                userId = "mockUserId",
+                requestJson = "mockRequestJson",
+                packageName = "mockPackageName",
+                signingInfo = mockk<SigningInfo>(),
+                origin = null,
+            )
+            specialCircumstanceManager.specialCircumstance =
+                SpecialCircumstance.Fido2Save(
+                    fido2CredentialRequest = fido2CredentialRequest,
+                )
+            val stateWithDialog = createVaultAddItemState(
+                vaultAddEditType = VaultAddEditType.AddItem(VaultItemCipherType.LOGIN),
+                dialogState = VaultAddEditState.DialogState.Loading(
+                    R.string.saving.asText(),
+                ),
+                commonContentViewState = createCommonContentViewState(
+                    name = "mockName-1",
+                ),
+            )
+                .copy(shouldExitOnSave = true)
+
+            val stateWithName = createVaultAddItemState(
+                vaultAddEditType = VaultAddEditType.AddItem(VaultItemCipherType.LOGIN),
+                commonContentViewState = createCommonContentViewState(
+                    name = "mockName-1",
+                ),
+            )
+                .copy(shouldExitOnSave = true)
+            mutableVaultDataFlow.value = DataState.Loaded(
+                createVaultData(),
+            )
+            val viewModel = createAddVaultItemViewModel(
+                createSavedStateHandleWithState(
+                    state = stateWithName,
+                    vaultAddEditType = VaultAddEditType.AddItem(VaultItemCipherType.LOGIN),
+                ),
+            )
+            val mockCreateResult = Fido2RegisterCredentialResult.Error
+            coEvery {
+                fido2CredentialManager.registerFido2Credential(
+                    userId = "mockUserId",
+                    selectedCipherView = any(),
+                    fido2CredentialRequest = fido2CredentialRequest,
+                )
+            } returns mockCreateResult
+            every { authRepository.activeUserId } returns null
+
+            turbineScope {
+                val stateTurbine = viewModel.stateFlow.testIn(backgroundScope)
+                val eventTurbine = viewModel.eventFlow.testIn(backgroundScope)
+
+                viewModel.trySendAction(VaultAddEditAction.Common.SaveClick)
+
+                assertEquals(stateWithName, stateTurbine.awaitItem())
+                assertEquals(stateWithDialog, stateTurbine.awaitItem())
+                assertEquals(
+                    VaultAddEditEvent.ShowToast(R.string.an_error_has_occurred.asText()),
+                    eventTurbine.awaitItem(),
+                )
+                assertEquals(
+                    VaultAddEditEvent.CompleteFido2Registration(result = mockCreateResult),
+                    eventTurbine.awaitItem(),
+                )
+                assertEquals(stateWithName, stateTurbine.awaitItem())
+
+                coVerify(exactly = 0) {
+                    fido2CredentialManager.registerFido2Credential(
+                        userId = "mockUserId",
+                        selectedCipherView = any(),
+                        fido2CredentialRequest = fido2CredentialRequest,
+                    )
+                }
+            }
+        }
+
     @Test
     fun `in add mode, createCipherInOrganization success should ShowToast and NavigateBack`() =
         runTest {

app/src/test/java/com/x8bit/bitwarden/ui/vault/feature/itemlisting/VaultItemListingScreenTest.kt

@@ -82,7 +82,7 @@ class VaultItemListingScreenTest : BaseComposeTest() {
         every { launchUri(any()) } just runs
     }
     private val fido2CompletionManager: Fido2CompletionManager = mockk {
-        every { completeFido2Create(any()) } just runs
+        every { completeFido2Registration(any()) } just runs
     }
     private val mutableEventFlow = bufferedMutableSharedFlow<VaultItemListingEvent>()
     private val mutableStateFlow = MutableStateFlow(DEFAULT_STATE)

app/src/test/java/com/x8bit/bitwarden/ui/vault/feature/itemlisting/VaultItemListingViewModelTest.kt

@@ -12,6 +12,7 @@ import com.x8bit.bitwarden.data.auth.repository.model.UserState
 import com.x8bit.bitwarden.data.auth.repository.model.ValidatePasswordResult
 import com.x8bit.bitwarden.data.autofill.fido2.manager.Fido2CredentialManager
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2CredentialRequest
+import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2RegisterCredentialResult
 import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2ValidateOriginResult
 import com.x8bit.bitwarden.data.autofill.manager.AutofillSelectionManager
 import com.x8bit.bitwarden.data.autofill.manager.AutofillSelectionManagerImpl
@@ -66,6 +67,7 @@ import kotlinx.coroutines.flow.emptyFlow
 import kotlinx.coroutines.test.runTest
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertNull
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.Test
 import java.time.Clock
@@ -1736,6 +1738,98 @@ class VaultItemListingViewModelTest : BaseViewModelTest() {
             )
         }
 
+    @Suppress("MaxLineLength")
+    @Test
+    fun `Fido2RegisterCredentialResult Error should show toast and emit CompleteFido2Registration result`() =
+        runTest {
+            val mockResult = Fido2RegisterCredentialResult.Error
+
+            val viewModel = createVaultItemListingViewModel()
+            viewModel.trySendAction(
+                VaultItemListingsAction.Internal.Fido2RegisterCredentialResultReceive(
+                    mockResult,
+                ),
+            )
+
+            viewModel.eventFlow.test {
+                assertEquals(
+                    VaultItemListingEvent.ShowToast(R.string.an_error_has_occurred.asText()),
+                    awaitItem(),
+                )
+
+                assertEquals(
+                    VaultItemListingEvent.CompleteFido2Registration(mockResult),
+                    awaitItem(),
+                )
+            }
+        }
+
+    @Suppress("MaxLineLength")
+    @Test
+    fun `Fido2RegisterCredentialResult Success should show toast and emit CompleteFido2Registration result`() =
+        runTest {
+            val mockResult = Fido2RegisterCredentialResult.Success(
+                registrationResponse = "mockResponse",
+            )
+
+            val viewModel = createVaultItemListingViewModel()
+            viewModel.trySendAction(
+                VaultItemListingsAction.Internal.Fido2RegisterCredentialResultReceive(
+                    mockResult,
+                ),
+            )
+
+            viewModel.eventFlow.test {
+                assertEquals(
+                    VaultItemListingEvent.ShowToast(R.string.item_updated.asText()),
+                    awaitItem(),
+                )
+
+                assertEquals(
+                    VaultItemListingEvent.CompleteFido2Registration(mockResult),
+                    awaitItem(),
+                )
+            }
+        }
+
+    @Suppress("MaxLineLength")
+    @Test
+    fun `Fido2RegisterCredentialResult Cancelled should emit CompleteFido2Registration result`() =
+        runTest {
+            val mockResult = Fido2RegisterCredentialResult.Cancelled
+            val viewModel = createVaultItemListingViewModel()
+
+            viewModel.trySendAction(
+                VaultItemListingsAction.Internal.Fido2RegisterCredentialResultReceive(
+                    mockResult,
+                ),
+            )
+
+            viewModel.eventFlow.test {
+                assertEquals(
+                    VaultItemListingEvent.CompleteFido2Registration(mockResult),
+                    awaitItem(),
+                )
+            }
+        }
+
+    @Suppress("MaxLineLength")
+    @Test
+    fun `DismissFido2ErrorDialogClick should clear the dialog state then complete FIDO 2 create`() =
+        runTest {
+            val viewModel = createVaultItemListingViewModel()
+            viewModel.trySendAction(VaultItemListingsAction.DismissFido2CreationErrorDialogClick)
+            viewModel.eventFlow.test {
+                assertNull(viewModel.stateFlow.value.dialogState)
+                assertEquals(
+                    VaultItemListingEvent.CompleteFido2Registration(
+                        result = Fido2RegisterCredentialResult.Error,
+                    ),
+                    awaitItem(),
+                )
+            }
+        }
+
     @Suppress("CyclomaticComplexMethod")
     private fun createSavedStateHandleWithVaultItemListingType(
         vaultItemListingType: VaultItemListingType,