Updates dependencies for tests

Author: Denis Sologub

library/build.gradle

@@ -7,6 +7,9 @@ android {
     compileSdkVersion 28
     buildToolsVersion '28.0.3'
 
+    // Gradle automatically adds 'android.test.runner' as a dependency.
+    useLibrary 'android.test.runner'
+
     dataBinding {
         enabled true
     }
@@ -17,14 +20,22 @@ android {
         versionCode 3
         versionName "1.0.0"
         consumerProguardFiles 'proguard-rules.pro'
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 }
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     api 'androidx.appcompat:appcompat:1.0.0'
     api 'com.google.android.material:material:1.0.0'
+    // JUnit 4 framework
     testImplementation 'junit:junit:4.12'
+    // Android annotations
+    androidTestImplementation 'androidx.annotation:annotation:1.0.0'
+    // AndroidJUnitRunner and JUnit Rules
+    androidTestImplementation 'androidx.test:runner:1.1.0-beta02'
+    androidTestImplementation 'androidx.test:rules:1.1.0-beta02'
 }
 
 // build a jar with source files

library/src/main/AndroidManifest.xml

@@ -3,6 +3,6 @@
     package="br.com.ilhasoft.support.validation">
 
     <application android:allowBackup="true"
-        android:supportsRtl="true" />
+        android:supportsRtl="true"/>
 
 </manifest>

library/src/test/java/br/com/ilhasoft/support/validation/ExampleUnitTest.java

@@ -8,6 +8,7 @@
  * To work on unit tests, switch the Test Artifact in the Build Variants view.
  */
 public class ExampleUnitTest {
+
     @Test
     public void addition_isCorrect() throws Exception {
         assertEquals(4, 2 + 2);

sample/build.gradle

@@ -4,6 +4,9 @@ android {
     compileSdkVersion 28
     buildToolsVersion "28.0.3"
 
+    // Gradle automatically adds 'android.test.runner' as a dependency.
+    useLibrary 'android.test.runner'
+
     dataBinding {
         enabled true
     }
@@ -14,6 +17,8 @@ android {
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -31,7 +36,13 @@ allprojects {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    testImplementation 'junit:junit:4.12'
     implementation project(':library')
+    // JUnit 4 framework
+    testImplementation 'junit:junit:4.12'
+    // Android annotations
+    androidTestImplementation 'androidx.annotation:annotation:1.0.0'
+    // AndroidJUnitRunner and JUnit Rules
+    androidTestImplementation 'androidx.test:runner:1.1.0-beta02'
+    androidTestImplementation 'androidx.test:rules:1.1.0-beta02'
 //    compile 'org.bitbucket.ilhasoft:support-validation:e3ed964'
 }

sample/src/main/AndroidManifest.xml

@@ -8,6 +8,8 @@
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
+        <uses-library android:name="android.test.runner"
+            android:required="false" />
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

sample/src/test/java/br/com/ilhasoft/support/validation/ExampleUnitTest.java

@@ -2,12 +2,13 @@
 
 import org.junit.Test;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
 
 /**
  * To work on unit tests, switch the Test Artifact in the Build Variants view.
  */
 public class ExampleUnitTest {
+
     @Test
     public void addition_isCorrect() throws Exception {
         assertEquals(4, 2 + 2);