Eth Service updates to validate net mgmt calls

Updates to ethernet service code to validate calls to ethernet network
management APIs.

Bug: 210485380
Test: atest EthernetServiceTests
Change-Id: I66b91c6d12e6859de33760ab21bb00f1477720e8

1 files changed, 142 insertions, 0 deletions

diff --git a/tests/java/com/android/server/ethernet/EthernetServiceImplTest.java b/tests/java/com/android/server/ethernet/EthernetServiceImplTest.java
new file mode 100644
index 0000000..9869b82
--- /dev/null
+++ b/tests/java/com/android/server/ethernet/EthernetServiceImplTest.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.ethernet;
+
+import static org.junit.Assert.assertThrows;
+
+import static org.mockito.Mockito.doReturn;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.net.InternalNetworkUpdateRequest;
+import android.net.IpConfiguration;
+import android.net.StaticIpConfiguration;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class EthernetServiceImplTest {
+    private EthernetServiceImpl mEthernetServiceImpl;
+    @Mock private Context mContext;
+    @Mock private PackageManager mPackageManager;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        doReturn(mPackageManager).when(mContext).getPackageManager();
+        mEthernetServiceImpl = new EthernetServiceImpl(mContext);
+        mEthernetServiceImpl.mStarted.set(true);
+    }
+
+    @Test
+    public void testSetConfigurationRejectsWhenEthNotStarted() {
+        mEthernetServiceImpl.mStarted.set(false);
+        assertThrows(IllegalStateException.class, () -> {
+            mEthernetServiceImpl.setConfiguration("" /* iface */, new IpConfiguration());
+        });
+    }
+
+    @Test
+    public void testUpdateConfigurationRejectsWhenEthNotStarted() {
+        mEthernetServiceImpl.mStarted.set(false);
+        assertThrows(IllegalStateException.class, () -> {
+            final InternalNetworkUpdateRequest r =
+                    new InternalNetworkUpdateRequest(new StaticIpConfiguration(), null);
+
+            mEthernetServiceImpl.updateConfiguration("" /* iface */, r, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testConnectNetworkRejectsWhenEthNotStarted() {
+        mEthernetServiceImpl.mStarted.set(false);
+        assertThrows(IllegalStateException.class, () -> {
+            mEthernetServiceImpl.connectNetwork("" /* iface */, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testDisconnectNetworkRejectsWhenEthNotStarted() {
+        mEthernetServiceImpl.mStarted.set(false);
+        assertThrows(IllegalStateException.class, () -> {
+            mEthernetServiceImpl.disconnectNetwork("" /* iface */, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testUpdateConfigurationRejectsNullIface() {
+        assertThrows(NullPointerException.class, () -> {
+            final InternalNetworkUpdateRequest r =
+                    new InternalNetworkUpdateRequest(new StaticIpConfiguration(), null);
+
+            mEthernetServiceImpl.updateConfiguration(null /* iface */, r, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testConnectNetworkRejectsNullIface() {
+        assertThrows(NullPointerException.class, () -> {
+            mEthernetServiceImpl.connectNetwork(null /* iface */, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testDisconnectNetworkRejectsNullIface() {
+        assertThrows(NullPointerException.class, () -> {
+            mEthernetServiceImpl.disconnectNetwork(null /* iface */, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testUpdateConfigurationRejectsWithoutAutomotiveFeature() {
+        disableAutomotiveFeature();
+        assertThrows(UnsupportedOperationException.class, () -> {
+            final InternalNetworkUpdateRequest r =
+                    new InternalNetworkUpdateRequest(new StaticIpConfiguration(), null);
+
+            mEthernetServiceImpl.updateConfiguration("" /* iface */, r, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testConnectNetworkRejectsWithoutAutomotiveFeature() {
+        disableAutomotiveFeature();
+        assertThrows(UnsupportedOperationException.class, () -> {
+            mEthernetServiceImpl.connectNetwork("" /* iface */, null /* listener */);
+        });
+    }
+
+    @Test
+    public void testDisconnectNetworkRejectsWithoutAutomotiveFeature() {
+        disableAutomotiveFeature();
+        assertThrows(UnsupportedOperationException.class, () -> {
+            mEthernetServiceImpl.disconnectNetwork("" /* iface */, null /* listener */);
+        });
+    }
+
+    private void disableAutomotiveFeature() {
+        doReturn(false).when(mPackageManager).hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE);
+    }
+}