Merge pull request #417 from SimonMarquis/patch/assets-as-json-files

Migrate hard-coded JSON data into JSON assets files

core/data/build.gradle.kts

@@ -22,6 +22,11 @@ plugins {
 
 android {
     namespace = "com.google.samples.apps.nowinandroid.core.data"
+    testOptions {
+        unitTests {
+            isIncludeAndroidResources = true
+        }
+    }
 }
 
 dependencies {

core/data/src/main/java/com/google/samples/apps/nowinandroid/core/data/repository/fake/FakeAuthorsRepository.kt

@@ -21,16 +21,18 @@ import com.google.samples.apps.nowinandroid.core.data.repository.AuthorsReposito
 import com.google.samples.apps.nowinandroid.core.model.data.Author
 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.fake.FakeAssetManager
 import com.google.samples.apps.nowinandroid.core.network.fake.FakeDataSource
 import com.google.samples.apps.nowinandroid.core.network.model.NetworkAuthor
+import java.io.InputStream
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
-import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
 
 /**
  * Fake implementation of the [AuthorsRepository] that returns hardcoded authors.
@@ -41,11 +43,14 @@ import kotlinx.serialization.json.Json
 class FakeAuthorsRepository @Inject constructor(
     @Dispatcher(IO) private val ioDispatcher: CoroutineDispatcher,
     private val networkJson: Json,
+    private val assets: FakeAssetManager,
 ) : AuthorsRepository {
 
     override fun getAuthorsStream(): Flow<List<Author>> = flow {
         emit(
-            networkJson.decodeFromString<List<NetworkAuthor>>(FakeDataSource.authors).map {
+            assets.open(FakeDataSource.AUTHORS)
+                .use<InputStream, List<NetworkAuthor>>(networkJson::decodeFromStream)
+                .map {
                     Author(
                         id = it.id,
                         name = it.name,

core/data/src/main/java/com/google/samples/apps/nowinandroid/core/data/repository/fake/FakeNewsRepository.kt

@@ -24,15 +24,17 @@ 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.fake.FakeAssetManager
 import com.google.samples.apps.nowinandroid.core.network.fake.FakeDataSource
 import com.google.samples.apps.nowinandroid.core.network.model.NetworkNewsResource
+import java.io.InputStream
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOn
-import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
 
 /**
  * Fake implementation of the [NewsRepository] that retrieves the news resources from a JSON String.
@@ -42,13 +44,15 @@ import kotlinx.serialization.json.Json
  */
 class FakeNewsRepository @Inject constructor(
     @Dispatcher(IO) private val ioDispatcher: CoroutineDispatcher,
-    private val networkJson: Json
+    private val networkJson: Json,
+    private val assets: FakeAssetManager,
 ) : NewsRepository {
 
     override fun getNewsResourcesStream(): Flow<List<NewsResource>> =
         flow {
             emit(
-                networkJson.decodeFromString<List<NetworkNewsResource>>(FakeDataSource.data)
+                assets.open(FakeDataSource.DATA)
+                    .use<InputStream, List<NetworkNewsResource>>(networkJson::decodeFromStream)
                     .map(NetworkNewsResource::asEntity)
                     .map(NewsResourceEntity::asExternalModel)
             )
@@ -61,13 +65,15 @@ class FakeNewsRepository @Inject constructor(
     ): Flow<List<NewsResource>> =
         flow {
             emit(
-                networkJson.decodeFromString<List<NetworkNewsResource>>(FakeDataSource.data)
+                assets.open(FakeDataSource.DATA).use { stream ->
+                    networkJson.decodeFromStream<List<NetworkNewsResource>>(stream)
                         .filter {
                             it.authors.intersect(filterAuthorIds).isNotEmpty() ||
                                 it.topics.intersect(filterTopicIds).isNotEmpty()
                         }
                         .map(NetworkNewsResource::asEntity)
                         .map(NewsResourceEntity::asExternalModel)
+                }
             )
         }
             .flowOn(ioDispatcher)

core/data/src/main/java/com/google/samples/apps/nowinandroid/core/data/repository/fake/FakeTopicsRepository.kt

@@ -21,16 +21,18 @@ import com.google.samples.apps.nowinandroid.core.data.repository.TopicsRepositor
 import com.google.samples.apps.nowinandroid.core.model.data.Topic
 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.fake.FakeAssetManager
 import com.google.samples.apps.nowinandroid.core.network.fake.FakeDataSource
 import com.google.samples.apps.nowinandroid.core.network.model.NetworkTopic
+import java.io.InputStream
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
-import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
 
 /**
  * Fake implementation of the [TopicsRepository] that retrieves the topics from a JSON String, and
@@ -42,10 +44,13 @@ import kotlinx.serialization.json.Json
 class FakeTopicsRepository @Inject constructor(
     @Dispatcher(IO) private val ioDispatcher: CoroutineDispatcher,
     private val networkJson: Json,
+    private val assets: FakeAssetManager,
 ) : TopicsRepository {
-    override fun getTopicsStream(): Flow<List<Topic>> = flow<List<Topic>> {
+    override fun getTopicsStream(): Flow<List<Topic>> = flow {
         emit(
-            networkJson.decodeFromString<List<NetworkTopic>>(FakeDataSource.topicsData).map {
+            assets.open(FakeDataSource.TOPICS)
+                .use<InputStream, List<NetworkTopic>>(networkJson::decodeFromStream)
+                .map {
                     Topic(
                         id = it.id,
                         name = it.name,

core/data/src/test/java/com/google/samples/apps/nowinandroid/core/data/testdoubles/TestNiaNetworkDataSource.kt

@@ -17,12 +17,13 @@
 package com.google.samples.apps.nowinandroid.core.data.testdoubles
 
 import com.google.samples.apps.nowinandroid.core.network.NiaNetworkDataSource
-import com.google.samples.apps.nowinandroid.core.network.fake.FakeDataSource
+import com.google.samples.apps.nowinandroid.core.network.fake.FakeNiaNetworkDataSource
 import com.google.samples.apps.nowinandroid.core.network.model.NetworkAuthor
 import com.google.samples.apps.nowinandroid.core.network.model.NetworkChangeList
 import com.google.samples.apps.nowinandroid.core.network.model.NetworkNewsResource
 import com.google.samples.apps.nowinandroid.core.network.model.NetworkTopic
-import kotlinx.serialization.decodeFromString
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
 import kotlinx.serialization.json.Json
 
 enum class CollectionType {
@@ -36,16 +37,13 @@ enum class CollectionType {
  */
 class TestNiaNetworkDataSource : NiaNetworkDataSource {
 
-    private val networkJson = Json
+    private val source = FakeNiaNetworkDataSource(UnconfinedTestDispatcher(), Json)
 
-    private val allTopics =
+    private val allTopics = runBlocking { source.getTopics() }
-        networkJson.decodeFromString<List<NetworkTopic>>(FakeDataSource.topicsData)
 
-    private val allAuthors =
+    private val allAuthors = runBlocking { source.getAuthors() }
-        networkJson.decodeFromString<List<NetworkAuthor>>(FakeDataSource.authors)
 
-    private val allNewsResources =
+    private val allNewsResources = runBlocking { source.getNewsResources() }
-        networkJson.decodeFromString<List<NetworkNewsResource>>(FakeDataSource.data)
 
     private val changeLists: MutableMap<CollectionType, List<NetworkChangeList>> = mutableMapOf(
         CollectionType.Topics to allTopics

core/network/build.gradle.kts

@@ -27,6 +27,11 @@ android {
         buildConfig = true
     }
     namespace = "com.google.samples.apps.nowinandroid.core.network"
+    testOptions {
+        unitTests {
+            isIncludeAndroidResources = true
+        }
+    }
 }
 
 secrets {

core/network/lint.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2022 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<lint>
+    <!--
+    Lint crashes when it tries to analyse a file without a package name:
+    java.lang.IllegalStateException: () -> kotlin.String at org.jetbrains.kotlin.asJava.classes.KtLightClassForFacadeImpl$Companion.createForFacadeNoCache
+    -->
+    <issue id="LintError">
+        <ignore path="**/JvmUnitTestFakeAssetManager.kt" />
+    </issue>
+</lint>

core/network/src/demo/java/com/google/samples/apps/nowinandroid/core/network/di/FlavoredNetworkModule.kt

@@ -20,26 +20,13 @@ import com.google.samples.apps.nowinandroid.core.network.NiaNetworkDataSource
 import com.google.samples.apps.nowinandroid.core.network.fake.FakeNiaNetworkDataSource
 import dagger.Binds
 import dagger.Module
-import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
-import javax.inject.Singleton
-import kotlinx.serialization.json.Json
 
 @Module
 @InstallIn(SingletonComponent::class)
-interface NetworkModule {
+interface FlavoredNetworkModule {
 
     @Binds
-    fun bindsNiaNetwork(
+    fun FakeNiaNetworkDataSource.binds(): NiaNetworkDataSource
-        niANetwork: FakeNiaNetworkDataSource
-    ): NiaNetworkDataSource
-
-    companion object {
-        @Provides
-        @Singleton
-        fun providesNetworkJson(): Json = Json {
-            ignoreUnknownKeys = true
-        }
-    }
 }

core/network/src/main/assets/authors.json

@@ -0,0 +1,794 @@
+[
+  {
+    "id": "1",
+    "name": "Márton Braun",
+    "mediumPage": "https://medium.com/@zsmb13",
+    "twitter": "https://twitter.com/zsmb13",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1047591879431397377/nNjQUt0F_400x400.jpg",
+    "bio": "Márton is an Android Developer Relations Engineer at Google, working on anything and everything Kotlin."
+  },
+  {
+    "id": "2",
+    "name": "Greg Hartrell",
+    "mediumPage": "https://medium.com/@greghart/about",
+    "twitter": "https://twitter.com/ghartrell",
+    "imageUrl": "https://pbs.twimg.com/profile_images/971602488984940547/plY3bBRz_400x400.jpg",
+    "bio": "Greg Hartrell is a product leader with a 15+ year history helping large teams build high performing software products and businesses. At Google, he’s a Product Management Director at Google Play / Android, covering product lines from games, to digital content and platform expansion.  He’s previously been VP of Product Development at Capcom/Beeline, and a product leader for 8 years at Microsoft for Xbox Live/360 and the Windows platform. When he’s not speaking, he enjoys looting random objects out of boxes, jumping from platform to platform, and grinding while afk."
+  },
+  {
+    "id": "3",
+    "name": "Simona Stojanovic",
+    "mediumPage": "https://medium.com/@anomisSi",
+    "twitter": "https://twitter.com/anomisSi",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1437506849016778756/pG0NZALw_400x400.jpg",
+    "bio": "Android Developer Relations Engineer @Google, working on the Compose team and taking care of Layouts & Navigation."
+  },
+  {
+    "id": "4",
+    "name": "Andrew Flynn",
+    "mediumPage": "",
+    "twitter": "",
+    "imageUrl": "https://lh3.googleusercontent.com/xfI5PujnEqdQ4GlsRZAvVOGiC_v3VTz6wYM8kxaPyOtXIZY4-BDYOr-d-cjN8kxAkr4yAthuWu2gTZ7t-do=s1016-rw-no",
+    "bio": "Andrew joined Google in 2007 after graduating from Dartmouth College. He has worked on a wide range of team from Ads to Android devices to Google Fi, and currently works on the Play Store."
+  },
+  {
+    "id": "5",
+    "name": "Jon Boekenoogen",
+    "mediumPage": "",
+    "twitter": "",
+    "imageUrl": "",
+    "bio": ""
+  },
+  {
+    "id": "6",
+    "name": "Florina Muntenescu",
+    "mediumPage": "https://medium.com/@florina.muntenescu",
+    "twitter": "https://twitter.com/FMuntenescu",
+    "imageUrl": "https://pbs.twimg.com/profile_images/726323972686503937/nZkTQVQJ_400x400.jpg",
+    "bio": "Florina is working as an Android Developer Relations Engineer at Google, helping developers build beautiful apps with Jetpack Compose. She has been working with Android for more than 10 years, previous work covering news at upday, payment solutions at payleven and navigation services at Garmin."
+  },
+  {
+    "id": "7",
+    "name": "Lidia Gaymond",
+    "mediumPage": "",
+    "twitter": "",
+    "imageUrl": "",
+    "bio": ""
+  },
+  {
+    "id": "8",
+    "name": "Vicki Amin",
+    "mediumPage": "",
+    "twitter": "",
+    "imageUrl": "",
+    "bio": ""
+  },
+  {
+    "id": "9",
+    "name": "Marcel Pintó",
+    "mediumPage": "https://medium.com/@marxallski",
+    "twitter": "https://twitter.com/marxallski",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1196804242310234112/6pq8qguX_400x400.jpg",
+    "bio": ""
+  },
+  {
+    "id": "10",
+    "name": "Krish Vitaldevara",
+    "mediumPage": "",
+    "twitter": "https://twitter.com/vitaldevara",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1326982232100122626/GDN-QoX-_400x400.png",
+    "bio": ""
+  },
+  {
+    "id": "11",
+    "name": "Gerry Fan",
+    "mediumPage": "",
+    "twitter": "",
+    "imageUrl": "",
+    "bio": ""
+  },
+  {
+    "id": "12",
+    "name": "Pietro Maggi",
+    "mediumPage": "https://medium.com/@pmaggi",
+    "twitter": "https://twitter.com/pfmaggi",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1149328128868794370/T59BFarK_400x400.png",
+    "bio": "Pietro joined Android DevRel in 2018, and has worked supporting Jetpack WorkManager, large screen devices and lately, Android Enterprise."
+  },
+  {
+    "id": "13",
+    "name": "Rohan Shah",
+    "mediumPage": "",
+    "twitter": "twitter.com/rohanscloud",
+    "imageUrl": "https://pbs.twimg.com/profile_images/828723313396502530/dfVBFeZP_400x400.jpg",
+    "bio": "Product Manager on the System UI team, experienced Android developer in a past life. Focused on customization, gesture navigation, and smooth motion."
+  },
+  {
+    "id": "14",
+    "name": "Dave Burke",
+    "mediumPage": "",
+    "twitter": "https://twitter.com/davey_burke",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1035017742825357312/f0IHVAG1_400x400.jpg",
+    "bio": ""
+  },
+  {
+    "id": "15",
+    "name": "Meghan Mehta",
+    "mediumPage": "https://medium.com/@magicalmeghan",
+    "twitter": "https://twitter.com/adressyengineer",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1121847353214824449/wIB-dD0__400x400.jpg",
+    "bio": "Meghan has been in Google DevRel since 2018 and loves every minute of it. She mostly works on training and is passionate about making learning Android accessible to all. Outside of work you can find her singing, dancing, or petting dogs."
+  },
+  {
+    "id": "16",
+    "name": "Anna Bernbaum",
+    "mediumPage": "",
+    "twitter": "",
+    "imageUrl": "",
+    "bio": "Anna Bernbaum is a Product Manager for Wear OS, she specifically focusses on Watch Faces, Complications and Tiles."
+  },
+  {
+    "id": "17",
+    "name": "Adarsh Fernando",
+    "mediumPage": "",
+    "twitter": "https://twitter.com/AdarshFernando",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1291755351298121728/SFGD_KCm_400x400.jpg",
+    "bio": ""
+  },
+  {
+    "id": "18",
+    "name": "Madan Ankapura",
+    "mediumPage": "",
+    "twitter": "https://twitter.com/madan_ankapura",
+    "imageUrl": "https://pbs.twimg.com/profile_images/195140822/IMG_0612_400x400.JPG",
+    "bio": ""
+  },
+  {
+    "id": "19",
+    "name": "Kateryna Semenova",
+    "mediumPage": "https://medium.com/@katerynasemenova",
+    "twitter": "https://twitter.com/SKateryna",
+    "imageUrl": "https://miro.medium.com/fit/c/176/176/2*MWidJNpRKpwnPhMYw1hBTA.png",
+    "bio": "Kate joined Google Android DevRel team in 2020 with the focus on Android performance. She worked on Android12 features, such as Splash screens and App links as well as App startup improvements. Right now she is working on new Deep links tools for develoeprs.\n\nBefore Google, Kate worked as an Android engineer at Lyft. She built LyftPink membership, ride passes, subscriptions and users onboarding flow."
+  },
+  {
+    "id": "20",
+    "name": "Rahul Ravikumar",
+    "mediumPage": "https://medium.com/@rahulrav",
+    "twitter": "https://twitter.com/tikurahul",
+    "imageUrl": "https://pbs.twimg.com/profile_images/839866273160822785/sLb2Ld53_400x400.jpg",
+    "bio": "Software Engineer on the Toolkit team. Recent projects include Jetpack Macrobenchmarks, Baseline Profiles and WorkManager."
+  },
+  {
+    "id": "21",
+    "name": "Chris Craik",
+    "mediumPage": "https://medium.com/@chriscraik",
+    "twitter": "https://twitter.com/chris_craik",
+    "imageUrl": "https://pbs.twimg.com/profile_images/865356883971919872/EkFpz3r1_400x400.jpg",
+    "bio": ""
+  },
+  {
+    "id": "22",
+    "name": "Alex Vanyo",
+    "mediumPage": "https://medium.com/@alexvanyo",
+    "twitter": "https://twitter.com/alex_vanyo",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1431339735931305989/nOE2mmi2_400x400.jpg",
+    "bio": "Alex joined Android DevRel in 2021, and has worked supporting form factors from small watches to large foldables and tablets. His special interests include insets, Compose, testing and state."
+  },
+  {
+    "id": "23",
+    "name": "Manuel Vivo",
+    "mediumPage": "https://medium.com/@manuelvicnt",
+    "twitter": "https://twitter.com/manuelvicnt",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1126564755202760705/x3qLaiBB_400x400.jpg",
+    "bio": "Manuel is an Android Developer Relations Engineer at Google. With previous experience at Capital One, he currently focuses on App Architecture, Kotlin & Coroutines, Dependency Injection and Jetpack Compose."
+  },
+  {
+    "id": "24",
+    "name": "Arjun Dayal",
+    "mediumPage": "",
+    "twitter": "",
+    "imageUrl": "",
+    "bio": ""
+  },
+  {
+    "id": "25",
+    "name": "Murat Yener",
+    "mediumPage": "https://medium.com/@yenerm",
+    "twitter": "https://twitter.com/yenerm",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1201558524385316866/7lBmCYmD_400x400.jpg",
+    "bio": ""
+  },
+  {
+    "id": "26",
+    "name": "Alex Saveau",
+    "mediumPage": "https://medium.com/@SUPERCILEX",
+    "twitter": "https://twitter.com/SUPERCILEX",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1093296033759604736/kO9WSDy4_400x400.jpg",
+    "bio": ""
+  },
+  {
+    "id": "27",
+    "name": "Paul Lammertsma",
+    "mediumPage": "https://medium.com/@officesunshine",
+    "twitter": "https://twitter.com/officesunshine",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1281278859506331651/2XBTbfIK_400x400.jpg",
+    "bio": "Paul is an Android Developer Relations Engineer at Google, supporting developers for TVs, watches and large screens. He has passionate about building amazing Android experiences since Froyo."
+  },
+  {
+    "id": "28",
+    "name": "Caren Chang",
+    "mediumPage": "https://medium.com/@calren24",
+    "twitter": "https://twitter.com/calren24",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1521260707521519617/cW-G-T2R_400x400.jpg",
+    "bio": "Developer Relations Engineer on the Android team, with a focus on Accessibiliity. "
+  },
+  {
+    "id": "29",
+    "name": "Mayuri Khinvasara Khabya",
+    "mediumPage": "https://medium.com/@mayuri.k18",
+    "twitter": "https://twitter.com/mayuri_k",
+    "imageUrl": "https://pbs.twimg.com/profile_images/769886964170436608/6tsEB7zi_400x400.jpg",
+    "bio": "Mayuri is an Android Developer Relations Engineer and has worked across Android TV, App performance and device backup"
+  },
+  {
+    "id": "30",
+    "name": "Romain Guy",
+    "mediumPage": "https://medium.com/@romainguy",
+    "twitter": "https://twitter.com/romainguy",
+    "imageUrl": "https://pbs.twimg.com/profile_images/459175652105527298/6qGNL0QI_400x400.jpeg",
+    "bio": "Romain joined the Android team in 2007, working on the UI Toolkit and the Graphics pipeline for many years. He now leads the Toolkit and Jetpack teams."
+  },
+  {
+    "id": "31",
+    "name": "Chet Haase",
+    "mediumPage": "https://chethaase.medium.com/",
+    "twitter": "https://twitter.com/chethaase",
+    "imageUrl": "https://miro.medium.com/max/3150/1*5pR0GFT8Cosn_zGIdRfc0Q.jpeg",
+    "bio": "Chet joined the Android team in 2010, where he has worked as an engineer and lead for the UI Toolkit team, as Chief Android Advocate on the Developer Relations team, and now as an engineer on the Graphics team."
+  },
+  {
+    "id": "32",
+    "name": "Tor Norbye",
+    "mediumPage": "",
+    "twitter": "https://twitter.com/tornorbye",
+    "imageUrl": "https://pbs.twimg.com/profile_images/1411058065839845376/SeUHA-sR_400x400.jpg",
+    "bio": "Tor joined the Android team in 2010, and leads engineering for Android Studio."
+  },
+  {
+    "id": "33",
+    "name": "Nicole Laure",
+    "mediumPage": "",
+    "twitter": "https://twitter.com/nicolelaure",
+    "imageUrl": "https://pbs.twimg.com/profile_images/442979550285557760/0nq7QOTn_400x400.jpeg",
+    "bio": ""
+  },
+  {
+    "id": "34",
+    "name": "Yigit Boyar",
+    "mediumPage": "https://medium.com/@yigit",
+    "twitter": "https://twitter.com/yigitboyar",
+    "imageUrl": "https://pbs.twimg.com/profile_images/530840695347482624/me4HgEMU_400x400.jpeg",
+    "bio": "Yigit joined the Android team in 2014 and worked on various projects from RecyclerView to Architecture Components with the dream of making Android development better. Still trying :)"
+  },
+  {
+    "id": "35",
+    "name": "Sean McQuillan",
+    "mediumPage": "https://medium.com/@objcode",
+    "twitter": "https://twitter.com/objcode",
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+    "bio": "Android Partner Engineering"
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core/network/src/main/assets/topics.json

@@ -0,0 +1,154 @@
+[
+  {
+    "id": "1",
+    "name": "Headlines",
+    "shortDescription": "News you'll definitely be interested in",
+    "longDescription": "The latest events and announcements from the world of Android development.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Headlines.svg?alt=media&token=506faab0-617a-4668-9e63-4a2fb996603f",
+    "url": ""
+  },
+  {
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+    "name": "UI",
+    "shortDescription": "not including Compose",
+    "longDescription": "Stay up to date on Material Design, Navigation, Text, Paging, Compose, Accessibility (a11y), Internationalization (i18n), Localization (l10n), Animations, Large Screens, Widgets and much more!\n\nTo get Compose specific news, make sure you also follow the Compose topic. ",
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+    "url": ""
+  },
+  {
+    "id": "3",
+    "name": "Compose",
+    "shortDescription": "",
+    "longDescription": "All the latest and greatest news on Jetpack Compose - Android’s modern toolkit for building native user interfaces.",
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+    "url": ""
+  },
+  {
+    "id": "4",
+    "name": "Architecture",
+    "shortDescription": "",
+    "longDescription": "Stay up-to-date with Android architecture best practices including scalability and modularization. ",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Architecture.svg?alt=media&token=e69ed228-fa91-49ae-9017-c8b7331f4269",
+    "url": ""
+  },
+  {
+    "id": "5",
+    "name": "Android Studio & Tools",
+    "shortDescription": "",
+    "longDescription": "The latest news on Android development tools, including Android Studio, Gradle, device emulators, debugging tools and more.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Android-Studio.svg?alt=media&token=b28b82dc-5aa1-4098-9eff-deb04636d3ac",
+    "url": ""
+  },
+  {
+    "id": "6",
+    "name": "Testing",
+    "shortDescription": "",
+    "longDescription": "The latest news on testing, including unit and UI testing, and continuous integration.  ",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Testing.svg?alt=media&token=a11533c4-7cc8-4b11-91a3-806158ebf428",
+    "url": ""
+  },
+  {
+    "id": "7",
+    "name": "Performance",
+    "shortDescription": "",
+    "longDescription": "Up-to-date content on optimizing your app performance, including profiling, tracing and jank avoidance.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Performance.svg?alt=media&token=558fdf02-1918-4527-b13f-323db67e31cc",
+    "url": ""
+  },
+  {
+    "id": "8",
+    "name": "New APIs & Libraries",
+    "shortDescription": "",
+    "longDescription": "Stay up-to-date with new APIs & library releases, including Jetpack.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_New-APIs-_-Libraries.svg?alt=media&token=8efd12df-6dd9-4b1b-81fd-017a49a866ac",
+    "url": ""
+  },
+  {
+    "id": "9",
+    "name": "Data Storage",
+    "shortDescription": "",
+    "longDescription": "Everything to do with data storage, including Room and DataStore.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Data-Storage.svg?alt=media&token=c9f78039-f371-4ce1-ba82-2c0c1e20d180",
+    "url": ""
+  },
+  {
+    "id": "10",
+    "name": "Kotlin",
+    "shortDescription": "",
+    "longDescription": "New language features and guidance for getting the best out of Kotlin on Android. ",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Kotlin.svg?alt=media&token=bdc73380-e80d-47df-8954-d9b61cccacd2",
+    "url": ""
+  },
+  {
+    "id": "11",
+    "name": "Privacy & Security",
+    "shortDescription": "",
+    "longDescription": "The latest news on security best practices, APIs and libraries.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Privacy-_-Security.svg?alt=media&token=6232fd17-c1cc-43b3-bf70-a734323fa6df",
+    "url": ""
+  },
+  {
+    "id": "12",
+    "name": "Publishing & Distribution",
+    "shortDescription": "",
+    "longDescription": "Everything to do with publishing and distributing your app, including Google Play.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Publishing-_-Distribution.svg?alt=media&token=64a5aeaf-269a-479d-8a44-29f59d337dbf",
+    "url": ""
+  },
+  {
+    "id": "13",
+    "name": "Platform & Releases",
+    "shortDescription": "",
+    "longDescription": "Stay up-to-date with the latest Android releases and features.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Platform-_-Releases.svg?alt=media&token=ff6d7a38-5205-4a51-8b6a-721e665dc515",
+    "url": ""
+  },
+  {
+    "id": "14",
+    "name": "Accessibility",
+    "shortDescription": "",
+    "longDescription": "The latest news on accessibility features and services, helping you to improve your app's usability, particularly for users with disabilities.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Accessibility.svg?alt=media&token=5b783a03-dd3b-4d0c-9e0c-16ae8350295f",
+    "url": ""
+  },
+  {
+    "id": "15",
+    "name": "Android Auto",
+    "shortDescription": "",
+    "longDescription": "The latest news on Android Automotive OS and Android Auto.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Android-Auto.svg?alt=media&token=56453754-14a5-4953-b596-66d63c56c196",
+    "url": ""
+  },
+  {
+    "id": "16",
+    "name": "Android TV",
+    "shortDescription": "",
+    "longDescription": "Stay up-to-date on everything to do with building apps for Android TV.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Android-TV.svg?alt=media&token=a78ca0df-f1ba-44a6-a89d-3912c82ef661",
+    "url": ""
+  },
+  {
+    "id": "17",
+    "name": "Games",
+    "shortDescription": "",
+    "longDescription": "The latest news on Android game development.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Games.svg?alt=media&token=4effa537-cc42-4d7f-b6bd-f1f14568db07",
+    "url": ""
+  },
+  {
+    "id": "18",
+    "name": "Camera & Media",
+    "shortDescription": "",
+    "longDescription": "The latest news on capturing and playing media on Android, including the Camera and Media APIs. ",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Camera-_-Media.svg?alt=media&token=73adea20-20d4-4f4c-8f3b-eb47c1097496",
+    "url": ""
+  },
+  {
+    "id": "19",
+    "name": "Wear OS",
+    "shortDescription": "",
+    "longDescription": "The latest news on app development for Wear OS.",
+    "imageUrl": "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Wear.svg?alt=media&token=bd11fe4c-9c92-4536-8ebc-5210f44d09be",
+    "url": ""
+  }
+]

core/network/src/main/java/JvmUnitTestFakeAssetManager.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import androidx.annotation.VisibleForTesting
+import com.google.samples.apps.nowinandroid.core.network.fake.FakeAssetManager
+import java.io.File
+import java.io.InputStream
+import java.util.Properties
+
+/**
+ * This class helps with loading Android `/assets` files, especially when running JVM unit tests.
+ * It must remain on the root package for an easier [Class.getResource] with relative paths.
+ * @see <a href="https://developer.android.com/reference/tools/gradle-api/7.3/com/android/build/api/dsl/UnitTestOptions">UnitTestOptions</a>
+ */
+@VisibleForTesting
+internal object JvmUnitTestFakeAssetManager : FakeAssetManager {
+    private val config =
+        requireNotNull(javaClass.getResource("com/android/tools/test_config.properties")) {
+            """
+            Missing Android resources properties file.
+            Did you forget to enable the feature in the gradle build file?
+            android.testOptions.unitTests.isIncludeAndroidResources = true
+            """.trimIndent()
+        }
+    private val properties = Properties().apply { config.openStream().use(::load) }
+    private val assets = File(properties["android_merged_assets"].toString())
+
+    override fun open(fileName: String): InputStream = File(assets, fileName).inputStream()
+}

core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/di/NetworkModule.kt

@@ -16,30 +16,29 @@
 
 package com.google.samples.apps.nowinandroid.core.network.di
 
-import com.google.samples.apps.nowinandroid.core.network.NiANetwork
+import android.content.Context
-import com.google.samples.apps.nowinandroid.core.network.fake.FakeNiANetwork
+import com.google.samples.apps.nowinandroid.core.network.fake.FakeAssetManager
-import dagger.Binds
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import javax.inject.Singleton
 import kotlinx.serialization.json.Json
 
 @Module
 @InstallIn(SingletonComponent::class)
-interface NetworkModule {
+object NetworkModule {
 
-    @Binds
-    fun bindsNiANetwork(
-        niANetwork: FakeNiANetwork
-    ): NiANetwork
-
-    companion object {
     @Provides
     @Singleton
     fun providesNetworkJson(): Json = Json {
         ignoreUnknownKeys = true
     }
-    }
+
+    @Provides
+    @Singleton
+    fun providesFakeAssetManager(
+        @ApplicationContext context: Context,
+    ): FakeAssetManager = FakeAssetManager(context.assets::open)
 }

core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/fake/FakeAssetManager.kt

@@ -14,24 +14,10 @@
  * limitations under the License.
  */
 
-package com.google.samples.apps.nowinandroid.core.data.repository
+package com.google.samples.apps.nowinandroid.core.network.fake
 
-import com.google.samples.apps.nowinandroid.core.data.repository.fake.FakeNewsRepository
+import java.io.InputStream
-import kotlinx.coroutines.test.StandardTestDispatcher
-import kotlinx.serialization.json.Json
-import org.junit.Before
 
-class FakeNewsRepositoryTest {
+fun interface FakeAssetManager {
-
+    fun open(fileName: String): InputStream
-    private lateinit var subject: FakeNewsRepository
-
-    private val testDispatcher = StandardTestDispatcher()
-
-    @Before
-    fun setup() {
-        subject = FakeNewsRepository(
-            ioDispatcher = testDispatcher,
-            networkJson = Json { ignoreUnknownKeys = true }
-        )
-    }
 }

core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/fake/FakeNiaNetworkDataSource.kt

@@ -16,6 +16,7 @@
 
 package com.google.samples.apps.nowinandroid.core.network.fake
 
+import JvmUnitTestFakeAssetManager
 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.NiaNetworkDataSource
@@ -26,29 +27,30 @@ import com.google.samples.apps.nowinandroid.core.network.model.NetworkTopic
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.withContext
-import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
 
 /**
  * [NiaNetworkDataSource] implementation that provides static news resources to aid development
  */
 class FakeNiaNetworkDataSource @Inject constructor(
     @Dispatcher(IO) private val ioDispatcher: CoroutineDispatcher,
-    private val networkJson: Json
+    private val networkJson: Json,
+    private val assets: FakeAssetManager = JvmUnitTestFakeAssetManager,
 ) : NiaNetworkDataSource {
     override suspend fun getTopics(ids: List<String>?): List<NetworkTopic> =
         withContext(ioDispatcher) {
-            networkJson.decodeFromString(FakeDataSource.topicsData)
+            assets.open(FakeDataSource.TOPICS).use(networkJson::decodeFromStream)
         }
 
     override suspend fun getNewsResources(ids: List<String>?): List<NetworkNewsResource> =
         withContext(ioDispatcher) {
-            networkJson.decodeFromString(FakeDataSource.data)
+            assets.open(FakeDataSource.DATA).use(networkJson::decodeFromStream)
         }
 
     override suspend fun getAuthors(ids: List<String>?): List<NetworkAuthor> =
         withContext(ioDispatcher) {
-            networkJson.decodeFromString(FakeDataSource.authors)
+            assets.open(FakeDataSource.AUTHORS).use(networkJson::decodeFromStream)
         }
 
     override suspend fun getTopicChangeList(after: Int?): List<NetworkChangeList> =

core/network/src/prod/java/com/google/samples/apps/nowinandroid/core/network/di/FlavoredNetworkModule.kt

@@ -20,26 +20,13 @@ import com.google.samples.apps.nowinandroid.core.network.NiaNetworkDataSource
 import com.google.samples.apps.nowinandroid.core.network.retrofit.RetrofitNiaNetwork
 import dagger.Binds
 import dagger.Module
-import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
-import javax.inject.Singleton
-import kotlinx.serialization.json.Json
 
 @Module
 @InstallIn(SingletonComponent::class)
-interface NetworkModule {
+interface FlavoredNetworkModule {
 
     @Binds
-    fun bindsNiaNetwork(
+    fun RetrofitNiaNetwork.binds(): NiaNetworkDataSource
-        niANetwork: RetrofitNiaNetwork
-    ): NiaNetworkDataSource
-
-    companion object {
-        @Provides
-        @Singleton
-        fun providesNetworkJson(): Json = Json {
-            ignoreUnknownKeys = true
-        }
-    }
 }

core/network/src/test/java/com/google/samples/apps/nowinandroid/core/network/fake/FakeNiaNetworkDataSourceTest.kt

@@ -16,9 +16,16 @@
 
 package com.google.samples.apps.nowinandroid.core.network.fake
 
+import JvmUnitTestFakeAssetManager
+import com.google.samples.apps.nowinandroid.core.model.data.NewsResourceType.Codelab
+import com.google.samples.apps.nowinandroid.core.network.model.NetworkNewsResource
+import com.google.samples.apps.nowinandroid.core.network.model.NetworkTopic
 import kotlin.test.assertEquals
 import kotlinx.coroutines.test.StandardTestDispatcher
 import kotlinx.coroutines.test.runTest
+import kotlinx.datetime.LocalDateTime
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.toInstant
 import kotlinx.serialization.json.Json
 import org.junit.Before
 import org.junit.Test
@@ -33,14 +40,24 @@ class FakeNiaNetworkDataSourceTest {
     fun setUp() {
         subject = FakeNiaNetworkDataSource(
             ioDispatcher = testDispatcher,
-            networkJson = Json { ignoreUnknownKeys = true }
+            networkJson = Json { ignoreUnknownKeys = true },
+            assets = JvmUnitTestFakeAssetManager
         )
     }
 
     @Test
     fun testDeserializationOfTopics() = runTest(testDispatcher) {
         assertEquals(
-            FakeDataSource.sampleTopic,
+            /* ktlint-disable max-line-length */
+            NetworkTopic(
+                id = "1",
+                name = "Headlines",
+                shortDescription = "News you'll definitely be interested in",
+                longDescription = "The latest events and announcements from the world of Android development.",
+                url = "",
+                imageUrl = "https://firebasestorage.googleapis.com/v0/b/now-in-android.appspot.com/o/img%2Fic_topic_Headlines.svg?alt=media&token=506faab0-617a-4668-9e63-4a2fb996603f"
+            ),
+            /* ktlint-enable max-line-length */
             subject.getTopics().first()
         )
     }
@@ -48,8 +65,28 @@ class FakeNiaNetworkDataSourceTest {
     @Test
     fun testDeserializationOfNewsResources() = runTest(testDispatcher) {
         assertEquals(
-            FakeDataSource.sampleResource,
+            /* ktlint-disable max-line-length */
-            subject.getNewsResources().find { it.id == FakeDataSource.sampleResource.id }
+            NetworkNewsResource(
+                id = "125",
+                title = "Android Basics with Compose",
+                content = "We released the first two units of Android Basics with Compose, our first free course that teaches Android Development with Jetpack Compose to anyone; you do not need any prior programming experience other than basic computer literacy to get started. ",
+                url = "https://android-developers.googleblog.com/2022/05/new-android-basics-with-compose-course.html",
+                headerImageUrl = "https://developer.android.com/images/hero-assets/android-basics-compose.svg",
+                authors = listOf("25"),
+                publishDate = LocalDateTime(
+                    year = 2022,
+                    monthNumber = 5,
+                    dayOfMonth = 4,
+                    hour = 23,
+                    minute = 0,
+                    second = 0,
+                    nanosecond = 0
+                ).toInstant(TimeZone.UTC),
+                type = Codelab,
+                topics = listOf("2", "3", "10"),
+            ),
+            /* ktlint-enable max-line-length */
+            subject.getNewsResources().find { it.id == "125" }
         )
     }
 }