Using multiple res folders with Robolectric

Question

My current Gradle configuration has multiple (Merged) res folders:

sourceSets {
    androidTest {
        setRoot(\'src/test\')
    }
    main {
        res.         


        

Answer 1

Ok, this is the easiest way to do it, You will have to extend RobolectricTestRunner getAppManifest and createAppResourceLoader.

In getAppManifest you will simply have to store the manifest in a field, let's say mDefaultManifest.

In createAppResourceLoader you will have to add the right resources injected.

/**
 * TODO: Watch OUT this is copied from RobolectricTestRunner in Robolectric-2.4 keep it up to date!
 */
@Override
protected ResourceLoader createAppResourceLoader(ResourceLoader systemResourceLoader, AndroidManifest appManifest) {
    List appAndLibraryResourceLoaders = new ArrayList();
    for (ResourcePath resourcePath : appManifest.getIncludedResourcePaths()) {
        appAndLibraryResourceLoaders.add(createResourceLoader(resourcePath));
    }

        /* BEGIN EDIT */
        if(mDefaultManifest != null) {
            ResourcePath rpInjected = new ResourcePath(mDefaultManifest.getRClass(), mDefaultManifest.getPackageName(), Fs.fileFromPath("../app/src/main/res/features/registration"), mDefaultManifest.getAssetsDirectory());
            appAndLibraryResourceLoaders.add(createResourceLoader(rpInjected));
            rpInjected = new ResourcePath(mDefaultManifest.getRClass(), mDefaultManifest.getPackageName(), Fs.fileFromPath("../app/src/main/res/features/login"), mDefaultManifest.getAssetsDirectory());
            appAndLibraryResourceLoaders.add(createResourceLoader(rpInjected));
        }
        /* END EDIT */

    OverlayResourceLoader overlayResourceLoader = new OverlayResourceLoader(appManifest.getPackageName(), appAndLibraryResourceLoaders);

    Map resourceLoaders = new HashMap();
    resourceLoaders.put("android", systemResourceLoader);
    resourceLoaders.put(appManifest.getPackageName(), overlayResourceLoader);
    return new RoutingResourceLoader(resourceLoaders);
}

Do not forget to add @RunWith(YourTestRunner.class) in your test classes.