--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buildSrc/src/main/kotlin/AndroidTests.kt	Sat Nov 24 17:54:27 2018 -0800
@@ -0,0 +1,102 @@
+/**
+ * Geekttrss is a RSS feed reader application on the Android Platform.
+ *
+ * Copyright (C) 2017-2018 by Frederic-Charles Barthelery.
+ *
+ * This file is part of Geekttrss.
+ *
+ * Geekttrss is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Geekttrss is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Geekttrss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.build
+
+import com.android.build.gradle.BaseExtension
+import com.android.build.gradle.internal.dsl.TestOptions
+import org.gradle.api.Project
+import org.gradle.api.artifacts.Dependency
+import org.gradle.api.artifacts.dsl.DependencyHandler
+import org.gradle.kotlin.dsl.closureOf
+import org.gradle.kotlin.dsl.dependencies
+import org.gradle.kotlin.dsl.extra
+import org.gradle.kotlin.dsl.kotlin
+import org.gradle.kotlin.dsl.provideDelegate
+
+val espressoVersion = "3.1.0"
+val androidxTestRunnerVersion = "1.1.0"
+val androidxTestCoreVersion = "1.0.0"
+val androidxTestExtVersion = "1.0.0"
+val robolectricVersion = "4.0.2"
+
+
+/*
+ * Configuration for espresso and robolectric usage in an Android project
+ */
+internal fun Project.configureTests() {
+    val kotlinVersion: String by rootProject.extra
+
+    extensions.configure<BaseExtension>("android") {
+        defaultConfig {
+            testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        }
+
+        testOptions {
+            execution = "ANDROIDX_TEST_ORCHESTRATOR"
+
+            unitTests(closureOf<TestOptions.UnitTestOptions> {
+                isIncludeAndroidResources = true
+            })
+        }
+    }
+
+
+    dependencies {
+        dualTestImplementation(kotlin("test-junit", kotlinVersion))
+
+        androidTestUtil("androidx.test:orchestrator:$androidxTestRunnerVersion")
+        androidTestImplementation("androidx.test:runner:$androidxTestRunnerVersion")
+        dualTestImplementation("androidx.test.ext:junit:$androidxTestExtVersion")
+
+        // core-ktx not yet released
+        dualTestImplementation("androidx.test:core:$androidxTestCoreVersion")
+        dualTestImplementation("androidx.test:rules:$androidxTestRunnerVersion")
+
+        dualTestImplementation("androidx.test.espresso:espresso-core:$espressoVersion")
+        dualTestImplementation("androidx.test.espresso:espresso-contrib:$espressoVersion")
+        dualTestImplementation("androidx.test.espresso:espresso-intents:$espressoVersion")
+
+        // assertions
+        dualTestImplementation("com.google.truth:truth:0.42")
+        dualTestImplementation("androidx.test.ext:truth:$androidxTestExtVersion")
+
+        // mock
+        testImplementation("io.mockk:mockk:1.8.13.kotlin13")
+        testImplementation("org.robolectric:robolectric:$robolectricVersion")
+
+    }
+}
+
+internal fun DependencyHandler.dualTestImplementation(dependencyNotation: Any) {
+    add("androidTestImplementation", dependencyNotation)
+    add("testImplementation", dependencyNotation)
+}
+
+internal fun DependencyHandler.`androidTestImplementation`(dependencyNotation: Any): Dependency? =
+    add("androidTestImplementation", dependencyNotation)
+
+
+internal fun DependencyHandler.`androidTestUtil`(dependencyNotation: Any): Dependency? =
+    add("androidTestUtil", dependencyNotation)
+
+internal fun DependencyHandler.`testImplementation`(dependencyNotation: Any): Dependency? =
+    add("testImplementation", dependencyNotation)
+