LineageOS/android_packages_modules_Connectivity
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Merge "Skip RAT type listener registration if IMSI is not available"

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Treehugger Robot
2020-08-25 19:55:09 +00:00
committed by Gerrit Code Review
parent f8f45a92f5 f91b0237fe
commit 7d9554c8c0
1 changed files with 56 additions and 0 deletions
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56
tests/net/java/com/android/server/net/NetworkStatsSubscriptionsMonitorTest.java
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@@ -30,6 +30,7 @@ import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.Context;
import android.net.NetworkTemplate;
import android.os.test.TestLooper;
@@ -135,6 +136,11 @@ public final class NetworkStatsSubscriptionsMonitorTest {
mMonitor.onSubscriptionsChanged();
}
private void updateSubscriberIdForTestSub(int subId, @Nullable final String subscriberId) {
when(mTelephonyManager.getSubscriberId(subId)).thenReturn(subscriberId);
mMonitor.onSubscriptionsChanged();
}
private void removeTestSub(int subId) {
// Remove subId from TestSubList.
mTestSubList.removeIf(it -> it == subId);
@@ -268,4 +274,54 @@ public final class NetworkStatsSubscriptionsMonitorTest {
listener.onServiceStateChanged(serviceState);
assertRatTypeNotChangedForSub(TEST_IMSI1, TelephonyManager.NETWORK_TYPE_NR);
}
@Test
public void testSubscriberIdUnavailable() {
final ArgumentCaptor<RatTypeListener> ratTypeListenerCaptor =
ArgumentCaptor.forClass(RatTypeListener.class);
mMonitor.start();
// Insert sim1, set subscriberId to null which is normal in SIM PIN locked case.
// Verify RAT type is NETWORK_TYPE_UNKNOWN and service will not perform listener
// registration.
addTestSub(TEST_SUBID1, null);
verify(mTelephonyManager, never()).listen(any(), anyInt());
assertRatTypeNotChangedForSub(TEST_IMSI1, TelephonyManager.NETWORK_TYPE_UNKNOWN);
// Set IMSI for sim1, verify the listener will be registered.
updateSubscriberIdForTestSub(TEST_SUBID1, TEST_IMSI1);
verify(mTelephonyManager, times(1)).listen(ratTypeListenerCaptor.capture(),
eq(PhoneStateListener.LISTEN_SERVICE_STATE));
reset(mTelephonyManager);
when(mTelephonyManager.createForSubscriptionId(anyInt())).thenReturn(mTelephonyManager);
// Set RAT type of sim1 to UMTS. Verify RAT type of sim1 is changed.
setRatTypeForSub(ratTypeListenerCaptor.getAllValues(), TEST_SUBID1,
TelephonyManager.NETWORK_TYPE_UMTS);
assertRatTypeChangedForSub(TEST_IMSI1, TelephonyManager.NETWORK_TYPE_UMTS);
reset(mDelegate);
// Set IMSI to null again to simulate somehow IMSI is not available, such as
// modem crash. Verify service should not unregister listener.
updateSubscriberIdForTestSub(TEST_SUBID1, null);
verify(mTelephonyManager, never()).listen(any(), anyInt());
assertRatTypeNotChangedForSub(TEST_IMSI1, TelephonyManager.NETWORK_TYPE_UMTS);
reset(mDelegate);
// Set RAT type of sim1 to LTE. Verify RAT type of sim1 is still changed even if the IMSI
// is not available. The monitor keeps the listener even if the IMSI disappears because
// the IMSI can never change for any given subId, therefore even if the IMSI is updated
// to null, the monitor should continue accepting updates of the RAT type. However,
// telephony is never actually supposed to do this, if the IMSI disappears there should
// not be updates, but it's still the right thing to do theoretically.
setRatTypeForSub(ratTypeListenerCaptor.getAllValues(), TEST_SUBID1,
TelephonyManager.NETWORK_TYPE_LTE);
assertRatTypeChangedForSub(TEST_IMSI1, TelephonyManager.NETWORK_TYPE_LTE);
reset(mDelegate);
mMonitor.stop();
verify(mTelephonyManager, times(1)).listen(eq(ratTypeListenerCaptor.getValue()),
eq(PhoneStateListener.LISTEN_NONE));
assertRatTypeChangedForSub(TEST_IMSI1, TelephonyManager.NETWORK_TYPE_UNKNOWN);
}
}