android - Robolectric: failed on start test cause of wifi start scan -

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i've created little test under robolectric. unfortunately, must comment these lines having success test :

public class myapplication extends application {  private void setupapplication() {  ....  //mnetworkevents = new networkevents(this, eventbus.getdefault()) //            .withpingurl(buildconfig.ping_server_url) //            .withpingtimeout(buildconfig.ping_timeout);  }

this class "networkevents" allows test internet connectivity. , in class there call:

public static void startwifiscan(context context) {     wifimanager wifimanager = (wifimanager) context.getsystemservice(context.wifi_service);     wifimanager.startscan(); }

and problem start wifi scan...

this error:

java.lang.nullpointerexception @ android.net.wifi.wifimanager.startscan(wifimanager.java:995)

how can run test without comment these line in application class ??

thanks guys!

i've tried reproduce error , found same. thinking should first set wifimanager start using it. problem deeper.

robolectric has shadow class wifimanager , returned startscan() method not shadowed , trying call real class android. if take sources there service field, implementation of wifi details, in real class , null when running robolectric.

i created issue on robolectric github https://github.com/robolectric/robolectric/issues/1969


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