{"id":13608451,"url":"https://github.com/apter-tech/junit5-robolectric-extension","last_synced_at":"2025-10-12T10:31:41.221Z","repository":{"id":234257366,"uuid":"768897552","full_name":"apter-tech/junit5-robolectric-extension","owner":"apter-tech","description":"This repository aims to bridge the gap between JUnit 5 and Robolectric, enabling developers to leverage the benefits of both frameworks for unit testing Android applications. 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JUnit5 Robolectric Extension (Experimental)\n\n[![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/apter-tech/junit5-robolectric-extension/build.yml?branch=main)](https://github.com/apter-tech/junit5-robolectric-extension/actions/workflows/build.yml?query=branch%3Amain)\n[![Maven Central Version](https://img.shields.io/maven-central/v/tech.apter.junit5.jupiter/robolectric-extension)](https://central.sonatype.com/search?q=tech.apter.junit5.jupiter)\n[![Gradle Plugin Portal Version](https://img.shields.io/gradle-plugin-portal/v/tech.apter.junit5.jupiter.robolectric-extension-gradle-plugin)](https://plugins.gradle.org/plugin/tech.apter.junit5.jupiter.robolectric-extension-gradle-plugin)\n[![GitHub license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](https://www.apache.org/licenses/LICENSE-2.0)\n\nThis is an experimental project that aims to bridge the gap between JUnit 5 and Robolectric,\nproviding a way to run your Android unit tests using the modern JUnit 5 framework while leveraging\nRobolectric's in-memory environment.\n\n## Key features\n\n* **JUnit 5 Compatibility:** Run your tests with the latest JUnit 5 features and syntax.\n\n## Current Limitations\n\n* **Parallel Execution:** Parallel test execution only experimentally supported with classes.\n* **Configuration:**\n    * Robolectric `@Config`'s sdk parameter annotation can only be set on outermost test class.\n    * `@GraphicsMode` annotations can only be set on outermost test class.\n* **Experimental Status:** This extension is still under development, and its API might change in\n  future versions.\n\n## Installation\n\n1. Add the Gradle Plugin Portal and Maven Central and Google's Maven repository to your project's\n   `settings.gradle` file:\n\n\u003cdetails open\u003e\n\u003csummary\u003eKotlin\u003c/summary\u003e\n\n```kotlin\npluginManagement {\n    repositories {\n        gradlePluginPortal()\n        mavenCentral()\n        google()\n    }\n}\n\ndependencyResolutionManagement {\n    repositories {\n        mavenCentral()\n        google()\n    }\n}\n```\n\n\u003c/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eGroovy\u003c/summary\u003e\n\n```groovy\npluginManagement {\n    repositories {\n        gradlePluginPortal()\n        mavenCentral()\n        google()\n    }\n}\n\ndependencyResolutionManagement {\n    repositories {\n        mavenCentral()\n        google()\n    }\n}\n```\n\n\u003c/details\u003e\n\n2. Enable JUnit Platform Launcher Interceptors and add the dependency to your app or library\n   module's `build.gradle`:\n\n\u003cdetails open\u003e\n\u003csummary\u003eKotlin\u003c/summary\u003e\n\n```kotlin\nplugins {\n    id(\"tech.apter.junit5.jupiter.robolectric-extension-gradle-plugin\") version (\"\u003clatest.release\u003e\")\n}\n```\n\n\u003c/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eGroovy\u003c/summary\u003e\n\n```groovy\nplugins {\n    id 'tech.apter.junit5.jupiter.robolectric-extension-gradle-plugin' version '\u003clatest.release\u003e'\n}\n```\n\n\u003c/details\u003e\n\n## Basic usage\n\n1. Annotate your test class with `@ExtendWith`. This extension will manage the Robolectric\n   environment for your tests:\n\n\u003cdetails open\u003e\n\u003csummary\u003eKotlin\u003c/summary\u003e\n\n```kotlin\n@ExtendWith(RobolectricExtension::class)\n```\n\n\u003c/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eJava\u003c/summary\u003e\n\n```java\n@ExtendWith(RobolectricExtension.class)\n```\n\n\u003c/details\u003e\n\n2. Utilize the standard JUnit 5 annotations (`@Test`, `@BeforeEach`, `@AfterEach`, etc.) within your\n   test methods. You could also use `org.jetbrains.kotlin:kotlin-test-junit5` package if you want\n   to.\n\n\u003cdetails open\u003e\n\u003csummary\u003eKotlin\u003c/summary\u003e\n\n```kotlin\n\nimport android.app.Application\nimport android.content.Context\nimport androidx.test.core.app.ApplicationProvider\nimport org.junit.jupiter.api.AfterAll\nimport org.junit.jupiter.api.AfterEach\nimport org.junit.jupiter.api.Assertions.assertInstanceOf\nimport org.junit.jupiter.api.Assertions.assertTrue\nimport org.junit.jupiter.api.BeforeAll\nimport org.junit.jupiter.api.BeforeEach\nimport org.junit.jupiter.api.Test\nimport org.junit.jupiter.api.extension.ExtendWith\nimport org.robolectric.annotation.Config\nimport tech.apter.junit.jupiter.robolectric.RobolectricExtension\n\n@ExtendWith(RobolectricExtension::class)\n@Config(application = RobolectricExtensionSelfTest.MyTestApplication::class)\nclass RobolectricExtensionSelfTest {\n\n    @BeforeEach\n    fun setUp() {\n    }\n\n    @AfterEach\n    fun tearDown() {\n    }\n\n    @Test\n    fun shouldInitializeAndBindApplicationAndCallOnCreate() {\n        val application = ApplicationProvider.getApplicationContext\u003cContext\u003e()\n        assertInstanceOf(MyTestApplication::class.java, application)\n        assertTrue((application as MyTestApplication).onCreateWasCalled)\n    }\n\n    companion object {\n        @BeforeAll\n        @JvmStatic\n        fun setUpClass() {\n        }\n\n        @AfterAll\n        @JvmStatic\n        fun tearDownClass() {\n        }\n    }\n\n    class MyTestApplication : Application() {\n        internal var onCreateWasCalled = false\n\n        override fun onCreate() {\n            this.onCreateWasCalled = true\n        }\n    }\n}\n\n```\n\n\u003c/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eJava\u003c/summary\u003e\n\n```java\n\nimport android.app.Application;\n\nimport androidx.test.core.app.ApplicationProvider;\n\nimport org.junit.jupiter.api.AfterAll;\nimport org.junit.jupiter.api.AfterEach;\nimport org.junit.jupiter.api.Assertions.assertInstanceOf;\nimport org.junit.jupiter.api.Assertions.assertTrue;\nimport org.junit.jupiter.api.BeforeAll;\nimport org.junit.jupiter.api.BeforeEach;\nimport org.junit.jupiter.api.Test;\nimport org.junit.jupiter.api.extension.ExtendWith;\nimport org.robolectric.annotation.Config;\n\nimport tech.apter.junit.jupiter.robolectric.RobolectricExtension;\n\nimport static org.junit.jupiter.api.Assertions.assertInstanceOf;\nimport static org.junit.jupiter.api.Assertions.assertTrue;\n\n@ExtendWith(RobolectricExtension.class)\n@Config(application = RobolectricExtensionSelfTest.MyTestApplication::class)\npublic class RobolectricExtensionSelfTest {\n\n    @BeforeEach\n    public void setUp() {\n    }\n\n    @AfterEach\n    public void tearDown() {\n    }\n\n    @Test\n    public void shouldInitializeAndBindApplicationAndCallOnCreate() {\n        final Application application = ApplicationProvider.getApplicationContext();\n        assertInstanceOf(MyTestApplication.class, application);\n        assertTrue(((MyTestApplication) application).onCreateWasCalled);\n    }\n\n    @BeforeAll\n    public static void setUpClass() {\n    }\n\n    @AfterAll\n    public static void tearDownClass() {\n    }\n\n    static class MyTestApplication extends Application {\n        public boolean onCreateWasCalled = false;\n\n        @Override\n        public void onCreate() {\n            this.onCreateWasCalled = true;\n        }\n    }\n}\n\n```\n\n\u003c/details\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fapter-tech%2Fjunit5-robolectric-extension","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fapter-tech%2Fjunit5-robolectric-extension","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fapter-tech%2Fjunit5-robolectric-extension/lists"}