Merge pull request #339 from wordpress-mobile/add/espresso-uitest-setup

Initial Setup for Espresso UI Tests

Author: 0nko

app/build.gradle

@@ -11,6 +11,7 @@ android {
         targetSdkVersion 25
         versionCode 1
         versionName "1.0"
+        testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
     }
 
     buildTypes {
@@ -38,4 +39,7 @@ dependencies {
     compile "com.android.support:appcompat-v7:25.3.1"
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     compile "org.wordpress:utils:1.14.0"
+    androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    }
 }

app/src/main/kotlin/org/wordpress/aztec/demo/MainActivity.kt

@@ -119,6 +119,15 @@ class MainActivity : AppCompatActivity(),
                 UNKNOWN +
                 EMOJI +
                 LONG_TEXT
+
+        private val isRunningTest : Boolean by lazy {
+            try {
+                Class.forName("android.support.test.espresso.Espresso")
+                true
+            } catch (e: ClassNotFoundException) {
+                false
+            }
+        }
     }
 
     private val MEDIA_CAMERA_PHOTO_PERMISSION_REQUEST_CODE: Int = 1001
@@ -256,7 +265,9 @@ class MainActivity : AppCompatActivity(),
         aztec.setToolbar(formattingToolbar)
 
         // initialize the text & HTML
-        source.displayStyledAndFormattedHtml(EXAMPLE)
+        if (!isRunningTest) {
+            source.displayStyledAndFormattedHtml(EXAMPLE)
+        }
 
         if (savedInstanceState == null) {
             aztec.fromHtml(source.getPureHtml())