4d3019346bb03cd8d32b26ed8e8f2d73bbf4a542 - platform/external/robolectric

commit	4d3019346bb03cd8d32b26ed8e8f2d73bbf4a542	[log] [tgz]
author	Michael Hoisie <hoisie@google.com>	Sat Nov 20 13:22:03 2021 -0500
committer	GitHub <noreply@github.com>	Sat Nov 20 13:22:03 2021 -0500
tree	e5c6b5f6a43eecfb231ea31202c62d5d1a3e9856
parent	eb494e6c420b9b805fa8de6f72b042c6c08d0614 [diff]
parent	23ff9460d0134d8d60b4436dbf15da099f10852d [diff]

tree: e5c6b5f6a43eecfb231ea31202c62d5d1a3e9856

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(AndroidJUnit4.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:4.7.1"

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.

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 testClasses --parallel

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:4.8-SNAPSHOT"
}