Improve test data and add UI test for topic chip

app/src/androidTest/kotlin/com/google/samples/apps/nowinandroid/ui/NavigationTest.kt

@@ -267,4 +267,27 @@ class NavigationTest {
             onNodeWithTag("topic:${topic.id}").assertExists()
         }
     }
+
+    @Test
+    fun navigatingToTopicFromForYou_showsTopicDetails() {
+        composeTestRule.apply {
+            // Follow a topic
+            onNodeWithText(sampleTopic).performClick()
+
+            // Get the topic ID
+            val topic = runBlocking {
+                topicsRepository.getTopics().first().filter { it.name == sampleTopic }.first()
+            }
+
+            // Tap the first topic chip
+            onNodeWithTag("topicChip:${topic.id}", useUnmergedTree = true)
+                .performClick()
+
+            // TEST FAILING HERE
+            composeTestRule.waitUntil(timeoutMillis = 3_600_000, condition = { false })
+
+            // Verify that we're on the correct topic details screen
+            onNodeWithTag("topic:${topic.id}").assertExists()
+        }
+    }
 }

core/data-test/src/main/kotlin/com/google/samples/apps/nowinandroid/core/data/test/repository/FakeNewsRepository.kt

@@ -17,16 +17,13 @@
 package com.google.samples.apps.nowinandroid.core.data.test.repository
 
 import com.google.samples.apps.nowinandroid.core.data.Synchronizer
-import com.google.samples.apps.nowinandroid.core.data.model.asEntity
 import com.google.samples.apps.nowinandroid.core.data.repository.NewsRepository
 import com.google.samples.apps.nowinandroid.core.data.repository.NewsResourceQuery
-import com.google.samples.apps.nowinandroid.core.database.model.NewsResourceEntity
-import com.google.samples.apps.nowinandroid.core.database.model.asExternalModel
 import com.google.samples.apps.nowinandroid.core.model.data.NewsResource
 import com.google.samples.apps.nowinandroid.core.network.Dispatcher
 import com.google.samples.apps.nowinandroid.core.network.NiaDispatchers.IO
 import com.google.samples.apps.nowinandroid.core.network.demo.DemoNiaNetworkDataSource
-import com.google.samples.apps.nowinandroid.core.network.model.NetworkNewsResource
+import com.google.samples.apps.nowinandroid.core.network.model.asExternalModel
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
@@ -48,9 +45,11 @@ class FakeNewsRepository @Inject constructor(
         query: NewsResourceQuery,
     ): Flow<List<NewsResource>> =
         flow {
+            val newsResources = datasource.getNewsResources()
+            val topics = datasource.getTopics()
+
             emit(
-                datasource
-                    .getNewsResources()
+                newsResources
                     .filter { networkNewsResource ->
                         // Filter out any news resources which don't match the current query.
                         // If no query parameters (filterTopicIds or filterNewsIds) are specified
@@ -64,8 +63,7 @@ class FakeNewsRepository @Inject constructor(
                         )
                             .all(true::equals)
                     }
-                    .map(NetworkNewsResource::asEntity)
-                    .map(NewsResourceEntity::asExternalModel),
+                    .map { it.asExternalModel(topics) },
             )
         }.flowOn(ioDispatcher)
 

core/network/src/main/kotlin/com/google/samples/apps/nowinandroid/core/network/model/NetworkNewsResource.kt

@@ -35,6 +35,20 @@ data class NetworkNewsResource(
     val topics: List<String> = listOf(),
 )
 
+fun NetworkNewsResource.asExternalModel(topics: List<NetworkTopic>) =
+    NewsResource(
+        id = id,
+        title = title,
+        content = content,
+        url = url,
+        headerImageUrl = headerImageUrl,
+        publishDate = publishDate,
+        type = type,
+        topics = topics
+            .filter { networkTopic -> this.topics.contains(networkTopic.id) }
+            .map(NetworkTopic::asExternalModel),
+    )
+
 /**
  * Network representation of [NewsResource] when fetched from /newsresources/{id}
  */

core/network/src/main/kotlin/com/google/samples/apps/nowinandroid/core/network/model/NetworkTopic.kt

@@ -32,3 +32,13 @@ data class NetworkTopic(
     val imageUrl: String = "",
     val followed: Boolean = false,
 )
+
+fun NetworkTopic.asExternalModel(): Topic =
+    Topic(
+        id = id,
+        name = name,
+        shortDescription = shortDescription,
+        longDescription = longDescription,
+        url = url,
+        imageUrl = imageUrl,
+    )

core/ui/src/main/kotlin/com/google/samples/apps/nowinandroid/core/ui/NewsResourceCard.kt

@@ -56,6 +56,7 @@ import androidx.compose.ui.draganddrop.DragAndDropTransferData
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalInspectionMode
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.semantics.contentDescription
@@ -341,6 +342,7 @@ fun NewsResourceTopics(
                         },
                     )
                 },
+                modifier = Modifier.testTag("topicChip:${followableTopic.topic.id}"),
             )
         }
     }