LineageOS/android_packages_modules_Connectivity
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Add unit tests checking MTU of interfaces are set.

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Unit tests covering the different possible cases of calls to updateMtu.

Bug: 246398088
Test: atest ConnectivityServiceTest
Change-Id: Iced44c00e9dbe944c3a31bbf1da88f8077e4379a
This commit is contained in:
Hansen Kurli
2022-12-08 11:45:04 +00:00
parent 25697348e8
commit 8d267d8998
1 changed files with 86 additions and 0 deletions
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86
tests/unit/java/com/android/server/ConnectivityServiceTest.java
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@@ -17034,4 +17034,90 @@ public class ConnectivityServiceTest {
verify(mTetheringManager).getTetherableWifiRegexs();
});
}
@Test
public void testSendLinkPropertiesSetInterfaceMtu() throws Exception {
final int mtu = 1327;
LinkProperties lp = new LinkProperties();
lp.setInterfaceName(WIFI_IFNAME);
lp.setMtu(mtu);
mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
mWiFiNetworkAgent.sendLinkProperties(lp);
waitForIdle();
verify(mMockNetd).interfaceSetMtu(eq(WIFI_IFNAME), eq(mtu));
}
@Test
public void testSendLinkPropertiesSetInterfaceMtu_DifferentMtu() throws Exception {
final int mtu = 1328, mtu2 = 1500;
LinkProperties lp = new LinkProperties();
lp.setInterfaceName(WIFI_IFNAME);
lp.setMtu(mtu);
mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, lp);
LinkProperties lp2 = new LinkProperties(lp);
lp2.setMtu(mtu2);
mWiFiNetworkAgent.sendLinkProperties(lp2);
waitForIdle();
verify(mMockNetd).interfaceSetMtu(eq(WIFI_IFNAME), eq(mtu2));
}
@Test
public void testSendLinkPropertiesSetInterfaceMtu_IdenticalMtuAndIface() throws Exception {
final int mtu = 1329;
LinkProperties lp = new LinkProperties();
lp.setInterfaceName(WIFI_IFNAME);
lp.setMtu(mtu);
mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, lp);
mWiFiNetworkAgent.sendLinkProperties(new LinkProperties(lp));
waitForIdle();
verify(mMockNetd, never()).interfaceSetMtu(eq(WIFI_IFNAME), anyInt());
}
@Test
public void testSendLinkPropertiesSetInterfaceMtu_IdenticalMtuAndNullIface() throws Exception {
final int mtu = 1330;
LinkProperties lp = new LinkProperties();
lp.setInterfaceName(WIFI_IFNAME);
lp.setMtu(mtu);
mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, lp);
LinkProperties lp2 = new LinkProperties();
assertNull(lp2.getInterfaceName());
lp2.setMtu(mtu);
mWiFiNetworkAgent.sendLinkProperties(new LinkProperties(lp2));
waitForIdle();
verify(mMockNetd, never()).interfaceSetMtu(any(), anyInt());
}
@Test
public void testSendLinkPropertiesSetInterfaceMtu_IdenticalMtuDiffIface() throws Exception {
final int mtu = 1331;
LinkProperties lp = new LinkProperties();
lp.setInterfaceName(WIFI_IFNAME);
lp.setMtu(mtu);
mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, lp);
final String ifaceName2 = WIFI_IFNAME + "_2";
LinkProperties lp2 = new LinkProperties();
lp2.setInterfaceName(ifaceName2);
lp2.setMtu(mtu);
mWiFiNetworkAgent.sendLinkProperties(new LinkProperties(lp2));
waitForIdle();
// TODO(b/246398088): the MTU should be set on the new interface.
verify(mMockNetd, never()).interfaceSetMtu(eq(ifaceName2), eq(mtu));
}
}