Add some tests to ensure samples

app/src/main/java/com/github/damontecres/wholphin/data/model/HomeRowConfig.kt

@@ -83,6 +83,7 @@ sealed class HomeRowConfig {
     }
 }
 
+@Serializable
 data class HomeRowConfigDisplay(
     val title: String,
     val config: HomeRowConfig,

app/src/main/java/com/github/damontecres/wholphin/ui/main/settings/HomePageSettings.kt

@@ -52,7 +52,6 @@ import dagger.hilt.android.qualifiers.ApplicationContext
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.update
-import kotlinx.serialization.json.Json
 import org.jellyfin.sdk.api.client.ApiClient
 import org.jellyfin.sdk.api.client.extensions.userLibraryApi
 import org.jellyfin.sdk.model.api.CollectionType
@@ -61,7 +60,6 @@ import org.jellyfin.sdk.model.api.SortOrder
 import org.jellyfin.sdk.model.api.request.GetGenresRequest
 import org.jellyfin.sdk.model.api.request.GetItemsRequest
 import org.jellyfin.sdk.model.api.request.GetLatestMediaRequest
-import timber.log.Timber
 import java.util.UUID
 import javax.inject.Inject
 
@@ -151,8 +149,8 @@ class HomePageSettingsViewModel
                 _state.update {
                     it.copy(rows = rowConfig)
                 }
-                val json = Json.encodeToString(rowConfig.map { it.config })
+//                val json = Json.encodeToString(rowConfig)
-                Timber.v("json=$json")
+//                Timber.v("json=$json")
 
                 fetchRowData()
             }

app/src/test/java/com/github/damontecres/wholphin/test/TestHomeRowSamples.kt

@@ -0,0 +1,112 @@
+package com.github.damontecres.wholphin.test
+
+import com.github.damontecres.wholphin.data.model.HomeRowConfig
+import com.github.damontecres.wholphin.data.model.HomeRowConfigDisplay
+import com.github.damontecres.wholphin.data.model.HomeRowViewOptions
+import com.github.damontecres.wholphin.preferences.PrefContentScale
+import com.github.damontecres.wholphin.ui.AspectRatio
+import com.github.damontecres.wholphin.ui.components.ViewOptionImageType
+import kotlinx.serialization.json.Json
+import org.jellyfin.sdk.model.UUID
+import org.junit.Assert
+import org.junit.Test
+import kotlin.reflect.KClass
+
+class TestHomeRowSamples {
+    companion object {
+        val SAMPLES =
+            listOf(
+                HomeRowConfigDisplay(
+                    title = "Recently added",
+                    config =
+                        HomeRowConfig.RecentlyAdded(
+                            id = 0,
+                            parentId = UUID.randomUUID(),
+                            viewOptions =
+                                HomeRowViewOptions(
+                                    heightDp = 100,
+                                    spacing = 8,
+                                    contentScale = PrefContentScale.CROP,
+                                    aspectRatio = AspectRatio.FOUR_THREE,
+                                    imageType = ViewOptionImageType.THUMB,
+                                    showTitles = false,
+                                    useSeries = false,
+                                ),
+                        ),
+                ),
+                HomeRowConfigDisplay(
+                    title = "Recently released",
+                    config =
+                        HomeRowConfig.RecentlyReleased(
+                            id = 0,
+                            parentId = UUID.randomUUID(),
+                            viewOptions = HomeRowViewOptions(),
+                        ),
+                ),
+                HomeRowConfigDisplay(
+                    title = "Genres",
+                    config =
+                        HomeRowConfig.Genres(
+                            id = 0,
+                            parentId = UUID.randomUUID(),
+                            viewOptions = HomeRowViewOptions(),
+                        ),
+                ),
+                HomeRowConfigDisplay(
+                    title = "Continue watching",
+                    config =
+                        HomeRowConfig.ContinueWatching(
+                            id = 0,
+                            viewOptions = HomeRowViewOptions(),
+                        ),
+                ),
+                HomeRowConfigDisplay(
+                    title = "Next up",
+                    config =
+                        HomeRowConfig.NextUp(
+                            id = 0,
+                            viewOptions = HomeRowViewOptions(),
+                        ),
+                ),
+                HomeRowConfigDisplay(
+                    title = "Combined",
+                    config =
+                        HomeRowConfig.ContinueWatchingCombined(
+                            id = 0,
+                            viewOptions = HomeRowViewOptions(),
+                        ),
+                ),
+            )
+    }
+
+    @Test
+    fun `Check all types have a sample`() {
+        // This ensures there is a sample for each possible HomeRowConfig type
+        val foundTypes = mutableSetOf<KClass<out HomeRowConfig>>()
+        SAMPLES.forEach {
+            when (it.config) {
+                is HomeRowConfig.ContinueWatching -> foundTypes.add(HomeRowConfig.ContinueWatching::class)
+                is HomeRowConfig.ContinueWatchingCombined -> foundTypes.add(HomeRowConfig.ContinueWatchingCombined::class)
+                is HomeRowConfig.Genres -> foundTypes.add(HomeRowConfig.Genres::class)
+                is HomeRowConfig.NextUp -> foundTypes.add(HomeRowConfig.NextUp::class)
+                is HomeRowConfig.RecentlyAdded -> foundTypes.add(HomeRowConfig.RecentlyAdded::class)
+                is HomeRowConfig.RecentlyReleased -> foundTypes.add(HomeRowConfig.RecentlyReleased::class)
+            }
+        }
+        Assert.assertEquals(HomeRowConfig::class.sealedSubclasses.size, foundTypes.size)
+    }
+
+    @Test
+    fun `Print sample JSON`() {
+        // This just prints out the JSON of the samples so developers can review
+        val json =
+            Json {
+                ignoreUnknownKeys = true
+                isLenient = true
+                prettyPrint = true
+            }
+        val string = json.encodeToString(SAMPLES)
+        println(string)
+        json.decodeFromString<List<HomeRowConfigDisplay>>(string)
+    }
+}