使用 AdvertisingIdClient.getAdvertisingIdInfo 进行单元测试得到“IllegalStateException:从主线程调用它会导致死锁”

问题描述

使用 ShadowGoogleApiAvailability 的 Android 应用

object Util {
    @JvmStatic
    @WorkerThread
    fun getAdsClientInfo(context: Context): AdvertisingIdClient.Info? {
        val isGPAvailable = 
            GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(context)
        return if (isGPAvailable == ConnectionResult.SUCCESS) {
            AdvertisingIdClient.getAdvertisingIdInfo(context) //<=== throws
        } else null
    }
}

在测试中:

@RunWith(RobolectricTestRunner.class)
public class TestAds{

    public Application application;
    
    @Before
    public void setUp() throws Exception {
        application = ApplicationProvider.getApplicationContext();
    }

    @Test
    public void test_getAdsClientInfo() throws Exception {

        final ShadowGoogleApiAvailability shadowGoogleApiAvailability
                = Shadow.extract(GoogleApiAvailability.getInstance());
        final int expectedCode = ConnectionResult.SUCCESS;
        shadowGoogleApiAvailability.setIsGooglePlayServicesAvailable(expectedCode);

        AdvertisingIdClient.Info info = Util.getAdsClientInfo(application);
        ......
    }
}
        

它得到了 "IllegalStateException: Calling this from your main thread can lead to deadlock"

如何测试内部调用AdvertisingIdClient.getAdvertisingIdInfo函数

解决方法

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