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Failed to start unrelated service inside JUnit 4 Android test

I am trying to test a basic unrelated service using the test support support platform: http://developer.android.com/tools/testing-support-library/index.html

LocalService.java:

public class LocalService extends Service { @Override public IBinder onBind(Intent intent) { return null; } }

LocalServiceTest.java:

 @RunWith(AndroidJUnit4.class) public class LocalServiceTest { @Rule public final ServiceTestRule mServiceRule = new ServiceTestRule(); @Test public void testWithUnboundService() throws TimeoutException { Intent serviceIntent = new Intent(InstrumentationRegistry.getTargetContext(), LocalService.class); mServiceRule.startService(serviceIntent); } }

When I try to run the test, I get the following Timeout exception:

 java.util.concurrent.TimeoutException: Waited for 5 SECONDS, but service was never connected at android.support.test.rule.ServiceTestRule.waitOnLatch(ServiceTestRule.java:258) at android.support.test.rule.ServiceTestRule.bindServiceAndWait(ServiceTestRule.java:207) at android.support.test.rule.ServiceTestRule.startService(ServiceTestRule.java:137) at com.example.android.testing.ServiceTestRuleSample.LocalServiceTest.testWithBoundService(LocalServiceTest.java:71) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at android.support.test.rule.ServiceTestRule$ServiceStatement.evaluate(ServiceTestRule.java:329) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at android.support.test.internal.runner.TestExecutor.execute(TestExecutor.java:54) at android.support.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:240) at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1729)

Is it possible to test such services using ServiceTestRule? If not, is there another way to start and stop services using JUnit 4 test classes?

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2 answers

Try this one

@Rule public final ServiceTestRule mServiceRule = ServiceTestRule.withTimeout (60L, TimeUnit.SECONDS);

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It worked for me

 @Test(timeout=1000 * 60) public void testWithStartedService(){ try { mServiceRule.startService( new Intent(InstrumentationRegistry.getTargetContext(), UpdaterService.class)); } catch (TimeoutException e) { e.printStackTrace(); } //do something }
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Source: https://habr.com/ru/post/1244482/

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