testCompile with aar dependency

[Jordan Hamel]

When testing with Robolectric, I am getting a NoClassDefFound error for an aar dependency. Here is the error and my build.gradle file:

java.lang.NoClassDefFoundError: Could not initialize class com.mapbox.mapboxsdk.views.NativeMapView

dependencies {
 compile fileTree(dir: 'libs', include: ['*.jar'])
 compile 'com.android.support:appcompat-v7:23.1.0'
 compile 'com.android.support:design:23.1.0'
 compile 'com.mcxiaoke.volley:library:1.0.19'
 compile('com.crashlytics.sdk.android:crashlytics:2.5.2@aar') {
 transitive = true;
 }
 compile 'com.mixpanel.android:mixpanel-android:4.6.4'
 compile 'com.google.android.gms:play-services:6.5.87'
 compile 'commons-io:commons-io:2.0.1'
 compile ('com.mapbox.mapboxsdk:mapbox-android-sdk:2.2.0@aar'){
 transitive=true
 }

 testCompile 'junit:junit:4.12'
 testCompile 'org.hamcrest:hamcrest-library:1.3'
 testCompile 'org.apache.maven:maven-ant-tasks:2.1.3' // fixes issue on linux/mac
 testCompile 'org.robolectric:robolectric:3.0'
 testCompile 'org.robolectric:shadows-play-services:3.0'
 testCompile 'org.robolectric:shadows-support-v4:3.0'
 testCompile ('com.mapbox.mapboxsdk:mapbox-android-sdk:2.2.0@aar'){
 transitive=true
 }
}

I've tried the solutions from the following Stack Overflow questions, but they aren't working:

http://stackoverflow.com/questions/21099754/gradle-android-unit-tests-that-depend-on-an-aar

http://stackoverflow.com/questions/24315570/gradle-android-unit-tests-that-depend-on-an-aar-for-build-tool-0-11/24954215#24954215

Has anybody had luck with getting this to work?

[Nico Küchler]

AAR dependencies works with robolectric. Often its just a configuration issue.

Potential issues are:

• You should use RobolectricGradleTestRunner instead of RobolectricTestRunner
• You should not specify the AndroidManifest.xml location by self

Best would be if you post your test class and the base class if you have one. 

[Jordan Hamel]

Here is my test class. I do not have a base class. I also tried specifying the manifest in the configs, but that did not work.

@RunWith(RobolectricGradleTestRunner.class)
@Config(constants = BuildConfig.class, sdk = 21)
public class MyActivityUnitTest {

    private MyActivity activity;

    @Before
    public void setUp() {
        activity = Robolectric.setupActivity(MyActivity.class);

[Jordan Hamel]

I think it might be specific to the Mapbox library. I cloned this sample project that has an aar dependency https://github.com/nenick/AndroidStudioAndRobolectric/tree/library-with-aar, and the tests run fine. When I add the Mapbox dependency it throws an error when it tries to inflate a map view. 

compile ('com.mapbox.mapboxsdk:mapbox-android-sdk:2.2.0@aar'){
 transitive=true
}

[Nico Küchler]

The same error from your first post or a different error?

[Jordan Hamel]

It's the same error.

On Tue, Nov 10, 2015 at 8:56 PM Nico Küchler <kuchl...@gmail.com> wrote:

The same error from your first post or a different error?

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[Jordan Hamel]

Just as a follow up to anyone who might be having the same error - the problem was with the Mapbox dependency. Since Mapbox runs on OpenGL, which requires active management of the activity lifecycle, you can't inflate a Mapview in your Robolectric tests. 

On Wednesday, November 11, 2015 at 9:04:30 AM UTC-8, Jordan Hamel wrote:

It's the same error.

On Tue, Nov 10, 2015 at 8:56 PM Nico Küchler <kuchl...@gmail.com> wrote:

The same error from your first post or a different error?

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