Roboelectric:java.lang.RuntimeException: Stub

Question

I am getting "java.lang.RuntimeException: Stub!" when running the roboelectric tests.I have proper eclipse ordering and also set the runner properly. Here's the stack trace.

java.lang.RuntimeException: java.lang.RuntimeException: Stub!
at org.robolectric.RobolectricTestRunner$2.evaluate(RobolectricTestRunner.java:240)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.robolectric.RobolectricTestRunner$1.evaluate(RobolectricTestRunner.java:177)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.RuntimeException: Stub!
at android.net.Uri.parse(Uri.java:53)
at org.robolectric.shadows.ShadowMediaStore.reset(ShadowMediaStore.java:27)
at org.robolectric.Robolectric.reset(Robolectric.java:1351)
at org.robolectric.internal.ParallelUniverse.resetStaticState(ParallelUniverse.java:47)
at org.robolectric.RobolectricTestRunner$2.evaluate(RobolectricTestRunner.java:226)
... 16 more

here is my test

  package com.example.sample.test;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.Robolectric;
import org.robolectric.RobolectricTestRunner;

import com.example.sample.MainActivity;
import com.example.sample.R;

@RunWith(RobolectricTestRunner.class)
public class MyActivityTest {
    private MainActivity activity;

    @Test
    public void shouldHaveHappySmiles() throws Exception {
        String hello = new MainActivity().getResources().getString(R.string.hello_world);
        assertThat(hello, equalTo("Hello world!"));
        activity = Robolectric.buildActivity(MainActivity.class)
                .create().get();
    }
}

I wrote this testcase just to hang around with Roboelectric.

Could you please show the code for a simple test you are trying to run? — Alex Florescu
– Alex Florescu, Commented Nov 10, 2014 at 11:40

Philippe A · Accepted Answer · 2014-11-11 06:32:34Z

2

You shouldn't do :

new MainActivity().getResources().getString(R.string.hello_world);

This is probably where the Stub! exception comes from, although it's not clear in the stack trace.

Instead, create your activity with Robolectric, then get the value of the hello string, then assert:

activity = Robolectric.buildActivity(MainActivity.class).create().start().resume().visible().get();
String hello = Robolectric.shadowOf(activity).getResources().getString(R.string.hello_world);
assertThat(hello, equalTo("Hello world!"));

You can also use ShadowApplication#getResources().

edited Nov 11, 2014 at 6:32

answered Nov 11, 2014 at 5:02

Philippe A

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2 Comments

Chaitanya Over a year ago

the error persists even after changing as u mentioned.

Philippe A Over a year ago

I've updated a bit my answer. I usually create the activity by calling all the methods of the lifecycle (create, start, resume etc). Then I changed the way to load the resources, using the ShadowActivity of the created activity.

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