Fix tests

features/call/impl/src/main/kotlin/io/element/android/features/call/impl/ui/CallScreenPresenter.kt

@@ -17,7 +17,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
-import androidx.compose.ui.res.stringResource
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedFactory
 import dagger.assisted.AssistedInject
@@ -39,7 +38,6 @@ import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.sync.SyncState
 import io.element.android.libraries.matrix.api.widget.MatrixWidgetDriver
 import io.element.android.libraries.network.useragent.UserAgentProvider
-import io.element.android.libraries.ui.strings.CommonStrings
 import io.element.android.services.analytics.api.ScreenTracker
 import io.element.android.services.toolbox.api.systemclock.SystemClock
 import kotlinx.coroutines.CoroutineScope
@@ -80,10 +78,10 @@ class CallScreenPresenter @AssistedInject constructor(
         val callWidgetDriver = remember { mutableStateOf<MatrixWidgetDriver?>(null) }
         val messageInterceptor = remember { mutableStateOf<WidgetMessageInterceptor?>(null) }
         var isJoinedCall by rememberSaveable { mutableStateOf(false) }
-        var canRenderWebViewInCaseOfError by rememberSaveable { mutableStateOf(false) }
+        var ignoreWebViewError by rememberSaveable { mutableStateOf(false) }
+        var webViewError by remember { mutableStateOf<String?>(null) }
         val languageTag = languageTagProvider.provideLanguageTag()
         val theme = if (ElementTheme.isLightTheme) "light" else "dark"
-        val errorMessage = stringResource(id = CommonStrings.error_unknown)
         DisposableEffect(Unit) {
             coroutineScope.launch {
                 // Sets the call as joined
@@ -130,7 +128,7 @@ class CallScreenPresenter @AssistedInject constructor(
                 interceptor.interceptedMessages
                     .onEach {
                         // We are receiving messages from the WebView, consider that the application is loaded
-                        canRenderWebViewInCaseOfError = true
+                        ignoreWebViewError = true
                         // Relay message to Widget Driver
                         callWidgetDriver.value?.send(it)
 
@@ -170,15 +168,8 @@ class CallScreenPresenter @AssistedInject constructor(
                     messageInterceptor.value = event.widgetMessageInterceptor
                 }
                 is CallScreenEvents.OnWebViewError -> {
-                    if (!canRenderWebViewInCaseOfError) {
-                        urlState.value = AsyncData.Failure(
-                            Exception(
-                                buildString {
-                                    append(errorMessage)
-                                    event.description?.let { append("\n\n").append(it) }
-                                }
-                            )
-                        )
+                    if (!ignoreWebViewError) {
+                        webViewError = event.description.orEmpty()
                     }
                     // Else ignore the error, give a chance the Element Call to recover by itself.
                 }
@@ -187,7 +178,7 @@ class CallScreenPresenter @AssistedInject constructor(
 
         return CallScreenState(
             urlState = urlState.value,
-            canRenderWebViewInCaseOfError = canRenderWebViewInCaseOfError,
+            webViewError = webViewError,
             userAgent = userAgent,
             isInWidgetMode = isInWidgetMode,
             eventSink = { handleEvents(it) },

features/call/impl/src/main/kotlin/io/element/android/features/call/impl/ui/CallScreenState.kt

@@ -11,7 +11,7 @@ import io.element.android.libraries.architecture.AsyncData
 
 data class CallScreenState(
     val urlState: AsyncData<String>,
-    val canRenderWebViewInCaseOfError: Boolean,
+    val webViewError: String?,
     val userAgent: String,
     val isInWidgetMode: Boolean,
     val eventSink: (CallScreenEvents) -> Unit,

features/call/impl/src/main/kotlin/io/element/android/features/call/impl/ui/CallScreenStateProvider.kt

@@ -16,19 +16,20 @@ open class CallScreenStateProvider : PreviewParameterProvider<CallScreenState> {
             aCallScreenState(),
             aCallScreenState(urlState = AsyncData.Loading()),
             aCallScreenState(urlState = AsyncData.Failure(Exception("An error occurred"))),
+            aCallScreenState(webViewError = "Error details from WebView"),
         )
 }
 
 internal fun aCallScreenState(
     urlState: AsyncData<String> = AsyncData.Success("https://call.element.io/some-actual-call?with=parameters"),
-    canRenderWebViewInCaseOfError: Boolean = true,
+    webViewError: String? = null,
     userAgent: String = "",
     isInWidgetMode: Boolean = false,
     eventSink: (CallScreenEvents) -> Unit = {},
 ): CallScreenState {
     return CallScreenState(
         urlState = urlState,
-        canRenderWebViewInCaseOfError = canRenderWebViewInCaseOfError,
+        webViewError = webViewError,
         userAgent = userAgent,
         isInWidgetMode = isInWidgetMode,
         eventSink = eventSink,

features/call/impl/src/main/kotlin/io/element/android/features/call/impl/ui/CallScreenView.kt

@@ -85,7 +85,15 @@ internal fun CallScreenView(
         BackHandler {
             handleBack()
         }
-        if (state.urlState !is AsyncData.Failure || state.canRenderWebViewInCaseOfError) {
+        if (state.webViewError != null) {
+            ErrorDialog(
+                content = buildString {
+                    append(stringResource(CommonStrings.error_unknown))
+                    state.webViewError.takeIf { it.isNotEmpty() }?.let { append("\n\n").append(it) }
+                },
+                onSubmit = { state.eventSink(CallScreenEvents.Hangup) },
+            )
+        } else {
             CallWebView(
                 modifier = Modifier
                     .padding(padding)
@@ -108,17 +116,17 @@ internal fun CallScreenView(
                     pipState.eventSink(PictureInPictureEvents.SetPipController(pipController))
                 }
             )
-        }
-        when (state.urlState) {
-            AsyncData.Uninitialized,
-            is AsyncData.Loading ->
-                ProgressDialog(text = stringResource(id = CommonStrings.common_please_wait))
-            is AsyncData.Failure ->
-                ErrorDialog(
-                    content = state.urlState.error.message.orEmpty(),
-                    onSubmit = { state.eventSink(CallScreenEvents.Hangup) },
-                )
-            is AsyncData.Success -> Unit
+            when (state.urlState) {
+                AsyncData.Uninitialized,
+                is AsyncData.Loading ->
+                    ProgressDialog(text = stringResource(id = CommonStrings.common_please_wait))
+                is AsyncData.Failure ->
+                    ErrorDialog(
+                        content = state.urlState.error.message.orEmpty(),
+                        onSubmit = { state.eventSink(CallScreenEvents.Hangup) },
+                    )
+                is AsyncData.Success -> Unit
+            }
         }
     }
 }

features/call/impl/src/test/kotlin/io/element/android/features/call/ui/CallScreenPresenterTest.kt

@@ -71,6 +71,7 @@ class CallScreenPresenterTest {
             skipItems(1)
             val initialState = awaitItem()
             assertThat(initialState.urlState).isEqualTo(AsyncData.Success("https://call.element.io"))
+            assertThat(initialState.webViewError).isNull()
             assertThat(initialState.isInWidgetMode).isFalse()
             analyticsLambda.assertions().isNeverCalled()
             joinedCallLambda.assertions().isCalledOnce()
@@ -270,6 +271,48 @@ class CallScreenPresenterTest {
         assert(stopSyncLambda).isCalledOnce()
     }
 
+    @Test
+    fun `present - error from WebView are updating the state`() = runTest {
+        val presenter = createCallScreenPresenter(
+            callType = CallType.ExternalUrl("https://call.element.io"),
+            activeCallManager = FakeActiveCallManager(),
+        )
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            // Wait until the URL is loaded
+            skipItems(1)
+            val initialState = awaitItem()
+            initialState.eventSink(CallScreenEvents.OnWebViewError("A Webview error"))
+            val finalState = awaitItem()
+            assertThat(finalState.webViewError).isEqualTo("A Webview error")
+        }
+    }
+
+    @Test
+    fun `present - error from WebView are ignored if Element Call is loaded`() = runTest {
+        val presenter = createCallScreenPresenter(
+            callType = CallType.ExternalUrl("https://call.element.io"),
+            activeCallManager = FakeActiveCallManager(),
+        )
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            // Wait until the URL is loaded
+            skipItems(1)
+            val initialState = awaitItem()
+
+            val messageInterceptor = FakeWidgetMessageInterceptor()
+            initialState.eventSink(CallScreenEvents.SetupMessageChannels(messageInterceptor))
+            // Emit a message
+            messageInterceptor.givenInterceptedMessage("A message")
+            // WebView emits an error, but it will be ignored
+            initialState.eventSink(CallScreenEvents.OnWebViewError("A Webview error"))
+            val finalState = awaitItem()
+            assertThat(finalState.webViewError).isNull()
+        }
+    }
+
     private fun TestScope.createCallScreenPresenter(
         callType: CallType,
         navigator: CallScreenNavigator = FakeCallScreenNavigator(),