Mode test for `ChangeServerView`

features/login/src/main/kotlin/io/element/android/features/login/changeserver/ChangeServerStateProvider.kt

@@ -16,8 +16,20 @@
 
 package io.element.android.features.login.changeserver
 
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 import io.element.android.libraries.architecture.Async
 
+open class ChangeServerStateProvider : PreviewParameterProvider<ChangeServerState> {
+    override val values: Sequence<ChangeServerState>
+        get() = sequenceOf(
+            aChangeServerState(),
+            aChangeServerState().copy(homeserver = "matrix.org"),
+            aChangeServerState().copy(homeserver = "matrix.org", changeServerAction = Async.Loading()),
+            aChangeServerState().copy(homeserver = "invalid.org", changeServerAction = Async.Failure(Throwable("An error"))),
+            aChangeServerState().copy(homeserver = "matrix.org", changeServerAction = Async.Success(Unit)),
+        )
+}
+
 fun aChangeServerState() = ChangeServerState(
     homeserver = "",
     changeServerAction = Async.Uninitialized,

features/login/src/main/kotlin/io/element/android/features/login/changeserver/ChangeServerView.kt

@@ -42,6 +42,7 @@ import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import io.element.android.features.login.R
@@ -179,15 +180,15 @@ fun ChangeServerView(
 
 @Preview
 @Composable
-fun ChangeServerViewLightPreview() = ElementPreviewLight { ContentToPreview() }
+fun ChangeServerViewLightPreview(@PreviewParameter(ChangeServerStateProvider::class) state: ChangeServerState) =
+    ElementPreviewLight { ContentToPreview(state) }
 
 @Preview
 @Composable
-fun ChangeServerViewDarkPreview() = ElementPreviewDark { ContentToPreview() }
+fun ChangeServerViewDarkPreview(@PreviewParameter(ChangeServerStateProvider::class) state: ChangeServerState) =
+    ElementPreviewDark { ContentToPreview(state) }
 
 @Composable
-private fun ContentToPreview() {
-    ChangeServerView(
-        state = aChangeServerState().copy(homeserver = "matrix.org"),
-    )
+private fun ContentToPreview(state: ChangeServerState) {
+    ChangeServerView(state = state)
 }