Merge pull request #21 from alexymumo/unit-test

Add unit tests

.github/workflows/android_build.yml

@@ -34,6 +34,12 @@ jobs:
       - name: Build with Gradle
         run: ./gradlew build
 
+      - name: Upload coverage report to CodeCov
+        uses: codecov/codecov-action@v4.0.1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: alexymumo/News-App
+
       - name: Upload a build artifact
         uses: actions/upload-artifact@v3.1.3
         with:

app/build.gradle.kts

@@ -45,6 +45,10 @@ android {
                 "proguard-rules.pro"
             )
         }
+        debug {
+            enableAndroidTestCoverage = true
+            enableUnitTestCoverage = true
+        }
     }
 
     compileOptions {

core/build/spotless/spotlessKotlin/database/src/androidTest/java/com/alexmumo/database/db/NewsDatabaseTest.kt

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2024 News-App
+ *
+ * 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.
+ */
+package com.alexmumo.database.db
+
+import android.content.Context
+import androidx.room.Room
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.alexmumo.database.dao.ArticleDao
+import com.alexmumo.database.dao.BookMarkDao
+import com.alexmumo.database.dao.RemoteKeyDao
+import com.alexmumo.database.entity.ArticleEntity
+import com.alexmumo.database.entity.SourceEntity
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@RunWith(AndroidJUnit4::class)
+class NewsDatabaseTest {
+
+    private lateinit var articleDao: ArticleDao
+    private lateinit var bookMarkDao: BookMarkDao
+    private lateinit var remoteKeyDao: RemoteKeyDao
+    private lateinit var newsDatabase: NewsDatabase
+
+    @Before
+    fun setUpDatabase() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        newsDatabase = Room.inMemoryDatabaseBuilder(
+            context,
+            NewsDatabase::class.java
+        ).build()
+    }
+
+    @Test
+    fun saveArticles_returns_a_listOf_articles() = runTest {
+        articleDao.saveArticles(articles)
+        val articles = articleDao.pagingSource()
+        assertThat(articles).isNotNull()
+    }
+
+    @Test
+    fun deleteArticles_returns_null() = runTest {
+        articleDao.saveArticles(articles)
+        val articles = articleDao.deleteArticles()
+        assertThat(articles).isNull()
+    }
+
+    @After
+    fun closeDatabase() {
+        newsDatabase.close()
+    }
+
+    companion object {
+        private val article = ArticleEntity(author = null, content = null, description = null, publishedAt = null, title = null, SourceEntity(id = null, name = ""), url = "", urlToImage = null)
+        val articles = listOf(article)
+    }
+}

core/database/build.gradle.kts

@@ -39,25 +39,17 @@ dependencies {
 
     implementation(libs.android.core)
     implementation(libs.android.appcompat)
-    testImplementation(libs.junit)
-    androidTestImplementation(libs.expresso.core)
-    androidTestImplementation(libs.truth)
-    testImplementation(libs.truth)
-    androidTestImplementation(libs.core.testing)
+    implementation(libs.junit.androidx.ktx)
     implementation(libs.core.ktx)
     implementation(libs.core.test)
 
     // Paging
     implementation(libs.paging.runtime)
 
-    // Robolectric
-    testImplementation(libs.roboelectric)
-
     // Coroutine
     implementation(libs.bundles.coroutine)
 
     // Room
-    testImplementation(libs.room.testing)
     implementation(libs.room.paging)
     implementation(libs.room.ktx)
     api(libs.room.runtime)
@@ -69,4 +61,15 @@ dependencies {
     // Hilt
     implementation(libs.dagger.hilt)
     kapt(libs.hilt.compiler)
+
+
+    testImplementation(libs.junit)
+    testImplementation(libs.truth)
+    testImplementation(libs.room.testing)
+    testImplementation(libs.roboelectric)
+
+    androidTestImplementation(libs.core.testing)
+    androidTestImplementation(libs.expresso.core)
+    androidTestImplementation(libs.truth)
+    androidTestImplementation(libs.junit)
 }

core/database/src/androidTest/java/com/alexmumo/database/db/NewsDatabaseTest.kt

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2024 News-App
+ *
+ * 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.
+ */
+package com.alexmumo.database.db
+
+import android.content.Context
+import androidx.room.Room
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.alexmumo.database.dao.ArticleDao
+import com.alexmumo.database.dao.BookMarkDao
+import com.alexmumo.database.dao.RemoteKeyDao
+import com.alexmumo.database.entity.ArticleEntity
+import com.alexmumo.database.entity.SourceEntity
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@RunWith(AndroidJUnit4::class)
+class NewsDatabaseTest {
+
+    private lateinit var articleDao: ArticleDao
+    private lateinit var bookMarkDao: BookMarkDao
+    private lateinit var remoteKeyDao: RemoteKeyDao
+    private lateinit var newsDatabase: NewsDatabase
+
+    @Before
+    fun setUpDatabase() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        newsDatabase = Room.inMemoryDatabaseBuilder(
+            context,
+            NewsDatabase::class.java
+        ).build()
+    }
+
+    @Test
+    fun saveArticles_returns_a_listOf_articles() = runTest {
+        articleDao.saveArticles(articles)
+        val articles = articleDao.pagingSource()
+        assertThat(articles).isNotNull()
+    }
+
+    @Test
+    fun deleteArticles_returns_null() = runTest {
+        articleDao.saveArticles(articles)
+        val articles = articleDao.deleteArticles()
+        assertThat(articles).isNull()
+    }
+
+    @After
+    fun closeDatabase() {
+        newsDatabase.close()
+    }
+
+    companion object {
+        private val article = ArticleEntity(author = null, content = null, description = null, publishedAt = null, title = null, SourceEntity(id = null, name = ""), url = "", urlToImage = null)
+        val articles = listOf(article)
+    }
+}

core/datastore/src/test/java/com/alexmumo/datastore/NewsPreferenceTest.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2024 News-App
+ *
+ * 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.
+ */
+package com.alexmumo.datastore
+
+class NewsPreferenceTest

gradle.properties

@@ -20,4 +20,5 @@ kotlin.code.style=official
 # Enables namespacing of each library's R class so that its R class includes only the
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true
+android.nonTransitiveRClass=true
+android.enableJetifier=true