Finish dependency revisions for new instrumentation libs (#160)

* Brush up androidTest dependencies for core & runner libs

* Add some instrumentation tests to the sample project

Author: Marcel Schnelle

buildSrc/src/main/kotlin/Artifacts.kt

@@ -72,7 +72,7 @@ object Artifacts {
     val Runner = Deployed(
         platform = Android(minSdk = 14),
         groupId = groupId,
-        artifactId = "android-instrumentation-test-runner",
+        artifactId = "android-test-runner",
         currentVersion = currentVersion,
         latestStableVersion = latestStableVersion,
         license = license,

buildSrc/src/main/kotlin/Versions.kt

@@ -15,10 +15,10 @@ object Versions {
 
     const val aapt2: String = "3.2.1-4818971" 
 
-    const val com_android_tools_build_gradle: String = "3.4.0-rc02"
+    const val com_android_tools_build_gradle: String = "3.4.0-rc03"
     const val com_android_tools_build_gradle_32x: String = "3.2.1"
     const val com_android_tools_build_gradle_33x: String = "3.3.2"
-    const val com_android_tools_build_gradle_34x: String = "3.4.0-rc02"
+    const val com_android_tools_build_gradle_34x: String = "3.4.0-rc03"
     const val com_android_tools_build_gradle_35x: String = "3.5.0-alpha07"
 
     const val lint_gradle: String = "26.2.1" 

instrumentation/core/build.gradle.kts

@@ -81,14 +81,15 @@ tasks.withType<Test> {
 }
 
 dependencies {
-  implementation(Libs.junit_jupiter_api)
   implementation(Libs.kotlin_stdlib)
-  implementation(Libs.androidx_test_core)
+  implementation(Libs.junit_jupiter_api)
+  api(Libs.androidx_test_core)
 
   // This is required by the "instrumentation-runner" companion library,
   // since it can't provide any JUnit 5 runtime libraries itself
   // due to fear of prematurely incrementing the minSdkVersion requirement.
   runtimeOnly(Libs.junit_platform_runner)
+  runtimeOnly(Libs.junit_jupiter_engine)
 
   androidTestImplementation(Libs.junit_jupiter_api)
   androidTestImplementation(Libs.espresso_core)

instrumentation/sample/build.gradle.kts

@@ -1,5 +1,6 @@
 import de.mannodermaus.gradle.plugins.junit5.junitPlatform
 import org.gradle.api.tasks.testing.logging.TestLogEvent
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 buildscript {
   repositories {
@@ -65,6 +66,12 @@ android {
   }
 }
 
+tasks.withType<KotlinCompile> {
+  kotlinOptions {
+    jvmTarget = JavaVersion.VERSION_1_8.toString()
+  }
+}
+
 tasks.withType<Test> {
   testLogging.events = setOf(TestLogEvent.PASSED, TestLogEvent.SKIPPED, TestLogEvent.FAILED)
 }
@@ -81,8 +88,8 @@ dependencies {
 
   // Android Instrumentation Tests wth JUnit 5
   androidTestImplementation(Libs.junit_jupiter_api)
-  androidTestRuntimeOnly(Libs.junit_jupiter_engine)
-  androidTestRuntimeOnly(Libs.junit_platform_runner)
-  androidTestImplementation(project(":api"))
+  androidTestImplementation(Libs.junit_jupiter_params)
+  androidTestImplementation(Libs.espresso_core)
+  androidTestImplementation(project(":core"))
   androidTestRuntimeOnly(project(":runner"))
 }

instrumentation/sample/src/androidTest/kotlin/de/mannodermaus/sample/ActivityOneTest.kt

@@ -0,0 +1,59 @@
+package de.mannodermaus.sample
+
+import androidx.test.core.app.ActivityScenario
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.espresso.matcher.ViewMatchers.withText
+import de.mannodermaus.junit5.ActivityScenarioExtension
+import de.mannodermaus.junit5.sample.ActivityOne
+import de.mannodermaus.junit5.sample.R
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.RepeatedTest
+import org.junit.jupiter.api.RepetitionInfo
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.RegisterExtension
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.ValueSource
+
+class ActivityOneTest {
+
+  @JvmField
+  @RegisterExtension
+  val scenarioExtension = ActivityScenarioExtension.launch<ActivityOne>()
+
+  @Test
+  fun testExample(scenario: ActivityScenario<ActivityOne>) {
+    onView(withId(R.id.textView)).check(matches(withText("0")))
+  }
+
+  @ValueSource(strings = ["value1", "value2"])
+  @ParameterizedTest
+  fun parameterizedTestExample(value: String, scenario: ActivityScenario<ActivityOne>) {
+    scenario.onActivity {
+      assertEquals(0, it.getClickCount())
+      it.setButtonLabel(value)
+    }
+
+    onView(withId(R.id.button)).check(matches(withText(value)))
+    onView(withId(R.id.button)).perform(click())
+
+    scenario.onActivity {
+      assertEquals(1, it.getClickCount())
+    }
+  }
+
+  @RepeatedTest(3)
+  fun repeatedTestExample(repetitionInfo: RepetitionInfo, scenario: ActivityScenario<ActivityOne>) {
+    val count = repetitionInfo.currentRepetition
+
+    for (i in 0 until count) {
+      onView(withId(R.id.button)).perform(click())
+    }
+
+    scenario.onActivity {
+      assertEquals(count, it.getClickCount())
+    }
+  }
+}

instrumentation/sample/src/main/kotlin/de/mannodermaus/junit5/sample/ActivityOne.kt

@@ -1,7 +1,31 @@
 package de.mannodermaus.junit5.sample
 
 import android.app.Activity
+import android.os.Bundle
+import android.widget.Button
+import android.widget.TextView
 
 class ActivityOne : Activity() {
 
+  private val textView by lazy { findViewById<TextView>(R.id.textView) }
+  private val button by lazy { findViewById<Button>(R.id.button) }
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.activity_one)
+
+    button.setOnClickListener {
+      val currentClickCount = getClickCount()
+      val newClickCount = currentClickCount + 1
+      textView.text = newClickCount.toString()
+    }
+  }
+
+  fun getClickCount(): Int {
+    return textView.text.toString().toInt()
+  }
+
+  fun setButtonLabel(newText: String) {
+    button.text = newText
+  }
 }

instrumentation/sample/src/main/res/layout/activity_one.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="vertical"
+              android:gravity="center"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent">
+
+    <TextView
+            android:id="@+id/textView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="0"/>
+
+    <Button
+            android:id="@+id/button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Click"/>
+</LinearLayout>