Migrate tests to Robolectric (#13)

Author: DSteve595

.travis.yml

@@ -2,10 +2,3 @@ language: android
 before_install:
   - mkdir "$ANDROID_HOME/licenses" || true
   - echo -e "\nd56f5187479451eabf01fb78af6dfcb131a6481e\n24333f8a63b6825ea9c5514f83c2829b004d1fee" > "$ANDROID_HOME/licenses/android-sdk-license"
-before_script:
-  - sdkmanager "system-images;android-21;default;armeabi-v7a"
-  - sdkmanager "emulator"
-  - echo no | avdmanager create avd -f -n fastscroller_test_emulator -k "system-images;android-21;default;armeabi-v7a"
-  - $ANDROID_HOME/emulator/emulator -avd fastscroller_test_emulator -no-audio -no-window &
-  - android-wait-for-emulator
-  - adb shell input keyevent 82 &

indicator-fast-scroll/build.gradle

@@ -14,6 +14,8 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
+    testOptions.unitTests.includeAndroidResources = true
+
     // TODO replace with https://issuetracker.google.com/issues/72050365 once released.
     libraryVariants.all {
         it.generateBuildConfig.enabled = false
@@ -30,8 +32,8 @@ dependencies {
 
     implementation 'androidx.core:core-ktx:1.0.1'
 
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation "androidx.test.ext:junit:1.0.0"
-    androidTestImplementation 'androidx.test:rules:1.1.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
+    testImplementation "androidx.test.ext:junit:1.1.1"
+    testImplementation 'androidx.test:rules:1.2.0'
+    testImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    testImplementation 'org.robolectric:robolectric:4.3'
 }

…roll/src/androidTest/AndroidManifest.xml …fast-scroll/src/test/AndroidManifest.xmlindicator-fast-scroll/src/androidTest/AndroidManifest.xml renamed to indicator-fast-scroll/src/test/AndroidManifest.xml indicator-fast-scroll/src/androidTest/AndroidManifest.xml renamed to indicator-fast-scroll/src/test/AndroidManifest.xml

@@ -13,8 +13,12 @@ import org.junit.Assert.assertEquals
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.robolectric.annotation.Config
+import org.robolectric.annotation.LooperMode
 
 @RunWith(AndroidJUnit4::class)
+@Config(sdk = [21], qualifiers = "xhdpi")
+@LooperMode(LooperMode.Mode.PAUSED)
 @LargeTest
 class Tests {