Revert "Remove tests"

Author: simonesestito

app/build.gradle

@@ -88,4 +88,9 @@ dependencies {
 
     // Firebase
     implementation "com.google.firebase:firebase-messaging:$versions.firebaseFcm"
+
+    // Testing libs
+    testImplementation "junit:junit:$versions.junit"
+    androidTestImplementation "androidx.test.ext:junit:$versions.junitExt"
+    androidTestImplementation "androidx.test.espresso:espresso-core:$versions.espresso"
 }

app/src/androidTest/java/com/simonesestito/shopsqueue/ExampleInstrumentedTest.java

@@ -0,0 +1,27 @@
+package com.simonesestito.shopsqueue;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+
+        assertEquals("com.simonesestito.shopsqueue", appContext.getPackageName());
+    }
+}

app/src/test/java/com/simonesestito/shopsqueue/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.simonesestito.shopsqueue;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}

versions.gradle

@@ -38,4 +38,8 @@ versions.firebaseFcm = '20.1.7'
 versions.licensesPlugin = '0.10.2'
 versions.licensesLib = '17.0.0'
 
+versions.junit = '4.12'
+versions.junitExt = '1.1.1'
+versions.espresso = '3.2.0'
+
 ext.versions = versions