Revert ConnectivityServiceDependencies access modifier

Address review comment on aosp/2490881

ConnectivityServiceDependencies was made public in aosp/2490881 to
verify destroyLiveTcpSockets call.
This CL reverts that change and updates tests to use mocked
DestroySocketsWrapper to verify destroy sockets call.

Bug: 270298713
Test: atest FrameworksNetTests
Change-Id: I101016399ea29bc5176b7559edf0447f0f7901ce

tests/unit/java/com/android/server/ConnectivityServiceTest.java

@@ -387,6 +387,7 @@ import com.android.networkstack.apishim.common.BroadcastOptionsShim;
 import com.android.networkstack.apishim.common.UnsupportedApiLevelException;
 import com.android.server.ConnectivityService.ConnectivityDiagnosticsCallbackInfo;
 import com.android.server.ConnectivityService.NetworkRequestInfo;
+import com.android.server.ConnectivityServiceTest.ConnectivityServiceDependencies.DestroySocketsWrapper;
 import com.android.server.ConnectivityServiceTest.ConnectivityServiceDependencies.ReportedInterfaces;
 import com.android.server.connectivity.ApplicationSelfCertifiedNetworkCapabilities;
 import com.android.server.connectivity.AutomaticOnOffKeepaliveTracker;
@@ -615,6 +616,7 @@ public class ConnectivityServiceTest {
     @Mock TetheringManager mTetheringManager;
     @Mock BroadcastOptionsShim mBroadcastOptionsShim;
     @Mock ActivityManager mActivityManager;
+    @Mock DestroySocketsWrapper mDestroySocketsWrapper;
 
     // BatteryStatsManager is final and cannot be mocked with regular mockito, so just mock the
     // underlying binder calls.
@@ -1865,7 +1867,7 @@ public class ConnectivityServiceTest {
         final Context mockResContext = mock(Context.class);
         doReturn(mResources).when(mockResContext).getResources();
         ConnectivityResources.setResourcesContextForTest(mockResContext);
-        mDeps = spy(new ConnectivityServiceDependencies(mockResContext));
+        mDeps = new ConnectivityServiceDependencies(mockResContext);
         mAutoOnOffKeepaliveDependencies =
                 new AutomaticOnOffKeepaliveTrackerDependencies(mServiceContext);
         mService = new ConnectivityService(mServiceContext,
@@ -1928,8 +1930,7 @@ public class ConnectivityServiceTest {
                 R.integer.config_networkWakeupPacketMark);
     }
 
-    // ConnectivityServiceDependencies is public to use Mockito.spy
-    public class ConnectivityServiceDependencies extends ConnectivityService.Dependencies {
+    class ConnectivityServiceDependencies extends ConnectivityService.Dependencies {
         final ConnectivityResources mConnRes;
 
         ConnectivityServiceDependencies(final Context mockResContext) {
@@ -2168,15 +2169,24 @@ public class ConnectivityServiceTest {
             }
         }
 
-        @Override
-        public void destroyLiveTcpSockets(final Set<Range<Integer>> ranges,
-                final Set<Integer> exemptUids) {
-            // This function is empty since the invocation of this method is verified by mocks
+        // Class to be mocked and used to verify destroy sockets methods call
+        public class DestroySocketsWrapper {
+            public void destroyLiveTcpSockets(final Set<Range<Integer>> ranges,
+                    final Set<Integer> exemptUids){}
+            public void destroyLiveTcpSocketsByOwnerUids(final Set<Integer> ownerUids){}
         }
 
-        @Override
+        @Override @SuppressWarnings("DirectInvocationOnMock")
+        public void destroyLiveTcpSockets(final Set<Range<Integer>> ranges,
+                final Set<Integer> exemptUids) {
+            // Call mocked destroyLiveTcpSockets so that test can verify this method call
+            mDestroySocketsWrapper.destroyLiveTcpSockets(ranges, exemptUids);
+        }
+
+        @Override @SuppressWarnings("DirectInvocationOnMock")
         public void destroyLiveTcpSocketsByOwnerUids(final Set<Integer> ownerUids) {
-            // This function is empty since the invocation of this method is verified by mocks
+            // Call mocked destroyLiveTcpSocketsByOwnerUids so that test can verify this method call
+            mDestroySocketsWrapper.destroyLiveTcpSocketsByOwnerUids(ownerUids);
         }
     }
 
@@ -10276,7 +10286,7 @@ public class ConnectivityServiceTest {
 
     private void doTestSetFirewallChainEnabledCloseSocket(final int chain,
             final boolean isAllowList) throws Exception {
-        reset(mDeps);
+        reset(mDestroySocketsWrapper);
 
         mCm.setFirewallChainEnabled(chain, true /* enabled */);
         final Set<Integer> uids =
@@ -10284,13 +10294,13 @@ public class ConnectivityServiceTest {
         if (isAllowList) {
             final Set<Range<Integer>> range = new ArraySet<>(
                     List.of(new Range<>(Process.FIRST_APPLICATION_UID, Integer.MAX_VALUE)));
-            verify(mDeps).destroyLiveTcpSockets(range, uids);
+            verify(mDestroySocketsWrapper).destroyLiveTcpSockets(range, uids);
         } else {
-            verify(mDeps).destroyLiveTcpSocketsByOwnerUids(uids);
+            verify(mDestroySocketsWrapper).destroyLiveTcpSocketsByOwnerUids(uids);
         }
 
         mCm.setFirewallChainEnabled(chain, false /* enabled */);
-        verifyNoMoreInteractions(mDeps);
+        verifyNoMoreInteractions(mDestroySocketsWrapper);
     }
 
     @Test @IgnoreUpTo(Build.VERSION_CODES.TIRAMISU)
@@ -12627,11 +12637,11 @@ public class ConnectivityServiceTest {
 
     private void assertVpnUidRangesUpdated(boolean add, Set<UidRange> vpnRanges, int exemptUid)
             throws Exception {
-        InOrder inOrder = inOrder(mMockNetd, mDeps);
+        InOrder inOrder = inOrder(mMockNetd, mDestroySocketsWrapper);
         final Set<Integer> exemptUidSet = new ArraySet<>(List.of(exemptUid, Process.VPN_UID));
 
-        inOrder.verify(mDeps).destroyLiveTcpSockets(UidRange.toIntRanges(vpnRanges),
-                exemptUidSet);
+        inOrder.verify(mDestroySocketsWrapper).destroyLiveTcpSockets(
+                UidRange.toIntRanges(vpnRanges), exemptUidSet);
 
         if (add) {
             inOrder.verify(mMockNetd, times(1)).networkAddUidRangesParcel(
@@ -12643,8 +12653,8 @@ public class ConnectivityServiceTest {
                             toUidRangeStableParcels(vpnRanges), PREFERENCE_ORDER_VPN));
         }
 
-        inOrder.verify(mDeps).destroyLiveTcpSockets(UidRange.toIntRanges(vpnRanges),
-                exemptUidSet);
+        inOrder.verify(mDestroySocketsWrapper).destroyLiveTcpSockets(
+                UidRange.toIntRanges(vpnRanges), exemptUidSet);
     }
 
     @Test
@@ -17984,7 +17994,7 @@ public class ConnectivityServiceTest {
         final UidRange frozenUidRange = new UidRange(TEST_FROZEN_UID, TEST_FROZEN_UID);
         final Set<UidRange> ranges = Collections.singleton(frozenUidRange);
 
-        verify(mDeps).destroyLiveTcpSockets(eq(UidRange.toIntRanges(ranges)),
+        verify(mDestroySocketsWrapper).destroyLiveTcpSockets(eq(UidRange.toIntRanges(ranges)),
                 eq(exemptUids));
     }
 }