Add more assertions to testStackedLinkProperties.
Check all routes that are added and removed instead of just some
of them. This is in preparation of an upcoming change that
switches to adding and creating routes by issuing direct calls to
netd.
Also rename the misleading ipv4Default route variable to
ipv4Subnet, which is what it actually is.
Bug: 142892223
Test: test-only change
Change-Id: I7d111382be215a926a7d7d4701bd3c3e94372b99
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 4236b9d..1efc2a5 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -5929,8 +5929,8 @@
final IpPrefix kNat64Prefix = new IpPrefix(InetAddress.getByName(kNat64PrefixString), 96);
final RouteInfo defaultRoute = new RouteInfo((IpPrefix) null, myIpv6.getAddress(),
MOBILE_IFNAME);
- final RouteInfo hostRoute = new RouteInfo(myIpv6, null, MOBILE_IFNAME);
- final RouteInfo ipv4Default = new RouteInfo(myIpv4, null, MOBILE_IFNAME);
+ final RouteInfo ipv6Subnet = new RouteInfo(myIpv6, null, MOBILE_IFNAME);
+ final RouteInfo ipv4Subnet = new RouteInfo(myIpv4, null, MOBILE_IFNAME);
final RouteInfo stackedDefault = new RouteInfo((IpPrefix) null, myIpv4.getAddress(),
CLAT_PREFIX + MOBILE_IFNAME);
@@ -5946,7 +5946,7 @@
cellLp.setInterfaceName(MOBILE_IFNAME);
cellLp.addLinkAddress(myIpv6);
cellLp.addRoute(defaultRoute);
- cellLp.addRoute(hostRoute);
+ cellLp.addRoute(ipv6Subnet);
mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR, cellLp);
reset(mNetworkManagementService);
reset(mMockDnsResolver);
@@ -5959,8 +5959,7 @@
waitForIdle();
verify(mMockNetd, times(1)).networkCreatePhysical(eq(cellNetId), anyInt());
- verify(mNetworkManagementService, times(1)).addRoute(eq(cellNetId), eq(defaultRoute));
- verify(mNetworkManagementService, times(1)).addRoute(eq(cellNetId), eq(hostRoute));
+ assertRoutesAdded(cellNetId, ipv6Subnet, defaultRoute);
verify(mMockDnsResolver, times(1)).createNetworkCache(eq(cellNetId));
verify(mBatteryStatsService).noteNetworkInterfaceType(cellLp.getInterfaceName(),
TYPE_MOBILE);
@@ -5976,6 +5975,7 @@
cellLp.addLinkAddress(myIpv4);
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+ assertRoutesAdded(cellNetId, ipv4Subnet);
verify(mMockDnsResolver, times(1)).stopPrefix64Discovery(cellNetId);
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(any());
@@ -5997,6 +5997,7 @@
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
+ assertRoutesRemoved(cellNetId, ipv4Subnet);
// When NAT64 prefix discovery succeeds, LinkProperties are updated and clatd is started.
Nat464Xlat clat = getNat464Xlat(mCellNetworkAgent);
@@ -6015,7 +6016,7 @@
List<LinkProperties> stackedLps = mCm.getLinkProperties(mCellNetworkAgent.getNetwork())
.getStackedLinks();
assertEquals(makeClatLinkProperties(myIpv4), stackedLps.get(0));
- verify(mNetworkManagementService).addRoute(eq(cellNetId), eq(stackedDefault));
+ assertRoutesAdded(cellNetId, stackedDefault);
// Change trivial linkproperties and see if stacked link is preserved.
cellLp.addDnsServer(InetAddress.getByName("8.8.8.8"));
@@ -6041,10 +6042,10 @@
// Add ipv4 address, expect that clatd and prefix discovery are stopped and stacked
// linkproperties are cleaned up.
cellLp.addLinkAddress(myIpv4);
- cellLp.addRoute(ipv4Default);
+ cellLp.addRoute(ipv4Subnet);
mCellNetworkAgent.sendLinkProperties(cellLp);
- verify(mNetworkManagementService).addRoute(eq(cellNetId), eq(stackedDefault));
networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+ assertRoutesAdded(cellNetId, ipv4Subnet);
verify(mMockNetd, times(1)).clatdStop(MOBILE_IFNAME);
verify(mMockDnsResolver, times(1)).stopPrefix64Discovery(cellNetId);
@@ -6055,6 +6056,7 @@
expected.setNat64Prefix(kNat64Prefix);
assertEquals(expected, actualLpAfterIpv4);
assertEquals(0, actualLpAfterIpv4.getStackedLinks().size());
+ assertRoutesRemoved(cellNetId, stackedDefault);
// The interface removed callback happens but has no effect after stop is called.
clat.interfaceRemoved(CLAT_PREFIX + MOBILE_IFNAME);
@@ -6080,7 +6082,7 @@
cellLp.removeDnsServer(InetAddress.getByName("8.8.8.8"));
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
- verify(mNetworkManagementService, times(1)).removeRoute(eq(cellNetId), eq(ipv4Default));
+ assertRoutesRemoved(cellNetId, ipv4Subnet); // Directly-connected routes auto-added.
verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, true /* added */,
kNat64PrefixString, 96);
@@ -6092,15 +6094,20 @@
clat.interfaceLinkStateChanged(CLAT_PREFIX + MOBILE_IFNAME, true);
networkCallback.expectLinkPropertiesThat(mCellNetworkAgent,
(lp) -> lp.getStackedLinks().size() == 1 && lp.getNat64Prefix() != null);
+ assertRoutesAdded(cellNetId, stackedDefault);
// NAT64 prefix is removed. Expect that clat is stopped.
mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, false /* added */,
kNat64PrefixString, 96);
networkCallback.expectLinkPropertiesThat(mCellNetworkAgent,
(lp) -> lp.getStackedLinks().size() == 0 && lp.getNat64Prefix() == null);
+ assertRoutesRemoved(cellNetId, ipv4Subnet, stackedDefault);
+
+ // Stop has no effect because clat is already stopped.
verify(mMockNetd, times(1)).clatdStop(MOBILE_IFNAME);
networkCallback.expectLinkPropertiesThat(mCellNetworkAgent,
(lp) -> lp.getStackedLinks().size() == 0);
+ verifyNoMoreInteractions(mMockNetd);
// Clean up.
mCellNetworkAgent.disconnect();
@@ -6668,6 +6675,20 @@
}
}
+ private void assertRoutesAdded(int netId, RouteInfo... routes) throws Exception {
+ InOrder inOrder = inOrder(mNetworkManagementService);
+ for (int i = 0; i < routes.length; i++) {
+ inOrder.verify(mNetworkManagementService).addRoute(eq(netId), eq(routes[i]));
+ }
+ }
+
+ private void assertRoutesRemoved(int netId, RouteInfo... routes) throws Exception {
+ InOrder inOrder = inOrder(mNetworkManagementService);
+ for (int i = 0; i < routes.length; i++) {
+ inOrder.verify(mNetworkManagementService).removeRoute(eq(netId), eq(routes[i]));
+ }
+ }
+
@Test
public void testRegisterUnregisterConnectivityDiagnosticsCallback() throws Exception {
final NetworkRequest wifiRequest =