Minor cleanups for ignore validation failures after roam tests.
- Confirm that the default network switches to cell for the right
reason.
- Test the behaviour on T as well (always disabled).
- Minor code cleanups.
Bug: 216567577
Test: test-only change
Change-Id: Idf4cf74aec3d40246f67519d211dbd45e739a6dc
diff --git a/tests/unit/java/com/android/server/ConnectivityServiceTest.java b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
index c8aa59b..9f3bed2 100755
--- a/tests/unit/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
@@ -16727,23 +16727,25 @@
assertThrows(NullPointerException.class, () -> mService.unofferNetwork(null));
}
- public void doTestIgnoreValidationAfterRoam(final boolean enabled) throws Exception {
- assumeFalse(SdkLevel.isAtLeastT());
- doReturn(enabled ? 5000 : -1).when(mResources)
+ public void doTestIgnoreValidationAfterRoam(int resValue, final boolean enabled)
+ throws Exception {
+ doReturn(resValue).when(mResources)
.getInteger(R.integer.config_validationFailureAfterRoamIgnoreTimeMillis);
+ final String bssid1 = "AA:AA:AA:AA:AA:AA";
+ final String bssid2 = "BB:BB:BB:BB:BB:BB";
mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
mCellNetworkAgent.connect(true);
NetworkCapabilities wifiNc1 = new NetworkCapabilities()
.addCapability(NET_CAPABILITY_INTERNET)
+ .addCapability(NET_CAPABILITY_NOT_VPN)
+ .addCapability(NET_CAPABILITY_NOT_RESTRICTED)
+ .addCapability(NET_CAPABILITY_TRUSTED)
.addCapability(NET_CAPABILITY_NOT_VCN_MANAGED)
.addTransportType(TRANSPORT_WIFI)
- .setTransportInfo(new WifiInfo.Builder().setBssid("AA:AA:AA:AA:AA:AA").build());
- NetworkCapabilities wifiNc2 = new NetworkCapabilities()
- .addCapability(NET_CAPABILITY_INTERNET)
- .addCapability(NET_CAPABILITY_NOT_VCN_MANAGED)
- .addTransportType(TRANSPORT_WIFI)
- .setTransportInfo(new WifiInfo.Builder().setBssid("BB:BB:BB:BB:BB:BB").build());
+ .setTransportInfo(new WifiInfo.Builder().setBssid(bssid1).build());
+ NetworkCapabilities wifiNc2 = new NetworkCapabilities(wifiNc1)
+ .setTransportInfo(new WifiInfo.Builder().setBssid(bssid2).build());
final LinkProperties wifiLp = new LinkProperties();
wifiLp.setInterfaceName(WIFI_IFNAME);
mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, wifiLp, wifiNc1);
@@ -16807,6 +16809,7 @@
wifiNetworkCallback.expectCapabilitiesWithout(NET_CAPABILITY_PARTIAL_CONNECTIVITY,
mWiFiNetworkAgent);
}
+ mCm.unregisterNetworkCallback(wifiNetworkCallback);
// Wi-Fi roams from wifiNc1 to wifiNc2, and now becomes really invalid. If validation
// failures after roam are not ignored, this will cause cell to become the default network.
@@ -16817,37 +16820,45 @@
mWiFiNetworkAgent.setNetworkInvalid(false /* isStrictMode */);
mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), false);
- if (!enabled) {
+ if (enabled) {
+ // Network validation failed, but the result will be ignored.
+ assertTrue(mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork()).hasCapability(
+ NET_CAPABILITY_VALIDATED));
+ mWiFiNetworkAgent.setNetworkValid(false);
+
+ // Behavior of after config_validationFailureAfterRoamIgnoreTimeMillis
+ ConditionVariable waitForValidationBlock = new ConditionVariable();
+ doReturn(50).when(mResources)
+ .getInteger(R.integer.config_validationFailureAfterRoamIgnoreTimeMillis);
+ // Wi-Fi roaming from wifiNc2 to wifiNc1.
+ mWiFiNetworkAgent.setNetworkCapabilities(wifiNc1, true);
+ mWiFiNetworkAgent.setNetworkInvalid(false);
+ waitForValidationBlock.block(150);
+ mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), false);
mDefaultNetworkCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
- return;
+ } else {
+ mDefaultNetworkCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
}
- // Network validation failed, but the result will be ignored.
- assertTrue(mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork()).hasCapability(
- NET_CAPABILITY_VALIDATED));
- mWiFiNetworkAgent.setNetworkValid(false);
+ // Wi-Fi is still connected and would become the default network if cell were to
+ // disconnect. This assertion ensures that the switch to cellular was not caused by
+ // Wi-Fi disconnecting (e.g., because the capability change to wifiNc2 caused it
+ // to stop satisfying the default request).
+ mCellNetworkAgent.disconnect();
+ mDefaultNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
+ mDefaultNetworkCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
- // Behavior of after config_validationFailureAfterRoamIgnoreTimeMillis
- ConditionVariable waitForValidationBlock = new ConditionVariable();
- doReturn(50).when(mResources)
- .getInteger(R.integer.config_validationFailureAfterRoamIgnoreTimeMillis);
- // Wi-Fi roaming from wifiNc2 to wifiNc1.
- mWiFiNetworkAgent.setNetworkCapabilities(wifiNc1, true);
- mWiFiNetworkAgent.setNetworkInvalid(false);
- waitForValidationBlock.block(150);
- mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), false);
- mDefaultNetworkCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
-
- mCm.unregisterNetworkCallback(wifiNetworkCallback);
}
@Test
public void testIgnoreValidationAfterRoamDisabled() throws Exception {
- doTestIgnoreValidationAfterRoam(false /* enabled */);
+ doTestIgnoreValidationAfterRoam(-1, false /* enabled */);
}
+
@Test
public void testIgnoreValidationAfterRoamEnabled() throws Exception {
- doTestIgnoreValidationAfterRoam(true /* enabled */);
+ final boolean enabled = !SdkLevel.isAtLeastT();
+ doTestIgnoreValidationAfterRoam(5_000, enabled);
}
@Test