Merge "Add tests for BinaryTransparencyService." (8a34ad13) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/BinaryTransparencyService.java

+9 −4

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ import android.os.SystemProperties;
		import android.util.PackageUtils;
		import android.util.Slog;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.os.IBinaryTransparencyService;
		import com.android.internal.util.FrameworkStatsLog;

		@@ -52,11 +53,15 @@ import java.util.stream.Collectors;
		public class BinaryTransparencyService extends SystemService {
		private static final String TAG = "TransparencyService";

		private static final String VBMETA_DIGEST_UNINITIALIZED = "vbmeta-digest-uninitialized";
		private static final String VBMETA_DIGEST_UNAVAILABLE = "vbmeta-digest-unavailable";
		private static final String SYSPROP_NAME_VBETA_DIGEST = "ro.boot.vbmeta.digest";
		@VisibleForTesting
		static final String VBMETA_DIGEST_UNINITIALIZED = "vbmeta-digest-uninitialized";
		@VisibleForTesting
		static final String VBMETA_DIGEST_UNAVAILABLE = "vbmeta-digest-unavailable";
		@VisibleForTesting
		static final String SYSPROP_NAME_VBETA_DIGEST = "ro.boot.vbmeta.digest";

		private static final String BINARY_HASH_ERROR = "SHA256HashError";
		@VisibleForTesting
		static final String BINARY_HASH_ERROR = "SHA256HashError";

		private final Context mContext;
		private String mVbmetaDigest;

services/core/java/com/android/server/TEST_MAPPING

+4 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,10 @@
		}
		],
		"file_patterns": ["SensorPrivacyService\\.java"]
		},
		{
		"name": "BinaryTransparencyServiceTest",
		"file_patterns": ["BinaryTransparencyService\\.java"]
		}
		],
		"presubmit-large": [

services/tests/servicestests/src/com/android/server/BinaryTransparencyServiceTest.java

0 → 100644

+112 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 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;

		import android.content.Context;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.os.RemoteException;
		import android.os.ResultReceiver;
		import android.os.SystemProperties;

		import androidx.test.core.app.ApplicationProvider;
		import androidx.test.ext.junit.runners.AndroidJUnit4;

		import org.junit.Assert;
		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;

		import java.io.FileDescriptor;
		import java.util.HashMap;
		import java.util.Map;

		@RunWith(AndroidJUnit4.class)
		public class BinaryTransparencyServiceTest {
		private Context mContext;
		private BinaryTransparencyService mBinaryTransparencyService;
		private BinaryTransparencyService.BinaryTransparencyServiceImpl mTestInterface;

		@Before
		public void setUp() {
		mContext = ApplicationProvider.getApplicationContext();
		mBinaryTransparencyService = new BinaryTransparencyService(mContext);
		mTestInterface = mBinaryTransparencyService.new BinaryTransparencyServiceImpl();
		}

		private void prepSignedInfo() {
		// simulate what happens on boot completed phase
		mBinaryTransparencyService.onBootPhase(SystemService.PHASE_BOOT_COMPLETED);
		}

		private void prepApexInfo() throws RemoteException {
		// simulates what happens to apex info after computations are done.
		String[] args = {"get", "apex_info"};
		mTestInterface.onShellCommand(FileDescriptor.in, FileDescriptor.out, FileDescriptor.err,
		args, null, new ResultReceiver(null));
		}

		@Test
		public void getSignedImageInfo_preInitialize_returnsUninitializedString() {
		String result = mTestInterface.getSignedImageInfo();
		Assert.assertNotNull("VBMeta digest value should not be null", result);
		Assert.assertEquals(BinaryTransparencyService.VBMETA_DIGEST_UNINITIALIZED, result);
		}

		@Test
		public void getSignedImageInfo_postInitialize_returnsNonErrorStrings() {
		prepSignedInfo();
		String result = mTestInterface.getSignedImageInfo();
		Assert.assertNotNull("Initialized VBMeta digest string should not be null", result);
		Assert.assertNotEquals("VBMeta digest value is uninitialized",
		BinaryTransparencyService.VBMETA_DIGEST_UNINITIALIZED, result);
		Assert.assertNotEquals("VBMeta value should not be unavailable",
		BinaryTransparencyService.VBMETA_DIGEST_UNAVAILABLE, result);
		}

		@Test
		public void getSignedImageInfo_postInitialize_returnsCorrectValue() {
		prepSignedInfo();
		String result = mTestInterface.getSignedImageInfo();
		Assert.assertEquals(
		SystemProperties.get(BinaryTransparencyService.SYSPROP_NAME_VBETA_DIGEST,
		BinaryTransparencyService.VBMETA_DIGEST_UNAVAILABLE), result);
		}

		@Test
		public void getApexInfo_postInitialize_returnsValidEntries() throws RemoteException {
		prepApexInfo();
		Map result = mTestInterface.getApexInfo();
		Assert.assertNotNull("Apex info map should not be null", result);
		Assert.assertFalse("Apex info map should not be empty", result.isEmpty());
		}

		@Test
		public void getApexInfo_postInitialize_returnsActualApexs()
		throws RemoteException, PackageManager.NameNotFoundException {
		prepApexInfo();
		Map result = mTestInterface.getApexInfo();

		PackageManager pm = mContext.getPackageManager();
		Assert.assertNotNull(pm);
		HashMap<PackageInfo, String> castedResult = (HashMap<PackageInfo, String>) result;
		for (PackageInfo packageInfo : castedResult.keySet()) {
		Assert.assertTrue(packageInfo.packageName + "is not an APEX!", packageInfo.isApex);
		}
		}

		}