0775c46a51188b12c7d697e67a9c8fa4625f61a8 - platform/external/robolectric

commit	0775c46a51188b12c7d697e67a9c8fa4625f61a8	[log] [tgz]
author	Copybara Robolectric Bot <copybara-robolectric@google.com>	Tue Jan 15 17:05:14 2019 -0800
committer	Copybara Robolectric Bot <copybara-robolectric@google.com>	Tue Jan 15 17:05:17 2019 -0800
tree	fdb310d1f1831c04b48e6527fdb3f47967550fee
parent	d454c16c5dca9f3d197e88584b1b43fc8e5dbf6e [diff]
parent	79995e75d59bd5fde2f50462e9f3f004221b01fb [diff]

tree: fdb310d1f1831c04b48e6527fdb3f47967550fee

README.md

Robolectric is the industry-standard unit testing framework for Android. With Robolectric, your tests run in a simulated Android environment inside a JVM, without the overhead of an emulator.

Usage

Here's an example of a simple test written using Robolectric:

@RunWith(RobolectricTestRunner.class)
public class MyActivityTest {

  @Test
  public void clickingButton_shouldChangeResultsViewText() throws Exception {
    Activity activity = Robolectric.setupActivity(MyActivity.class);

    Button button = (Button) activity.findViewById(R.id.press_me_button);
    TextView results = (TextView) activity.findViewById(R.id.results_text_view);

    button.performClick();
    assertThat(results.getText().toString(), equalTo("Testing Android Rocks!"));
  }
}

For more information about how to install and use Robolectric on your project, extend its functionality, and join the community of contributors, please visit http://robolectric.org.

Install

Starting a New Project

If you'd like to start a new project with Robolectric tests you can refer to deckard (for either maven or gradle) as a guide to setting up both Android and Robolectric on your machine.

build.gradle:

testImplementation "org.robolectric:robolectric:4.1"

Building And Contributing

Robolectric is built using Gradle. Both IntelliJ and Android Studio can import the top-level build.gradle file and will automatically generate their project files from it.

You will need to have portions of the Android SDK available in your local Maven artifact repository in order to build Robolectric. Copy all required Android dependencies to your local Maven repo by running:

./scripts/install-dependencies.rb

Note: You'll need Maven installed, ANDROID_HOME set and to have the SDK and Google APIs for API Level 27 downloaded to do this.

Robolectric supports running tests against multiple Android API levels. The work it must do to support each API level is slightly different, so its shadows are built separately for each. To build shadows for every API version, run:

./gradlew clean assemble install compileTest

Using Snapshots

If you would like to live on the bleeding edge, you can try running against a snapshot build. Keep in mind that snapshots represent the most recent changes on master and may contain bugs.

build.gradle:

repositories {
    maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
}

dependencies {
    testImplementation "org.robolectric:robolectric:4.2-SNAPSHOT"
}