113 lines
3.8 KiB
Java
113 lines
3.8 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.compat.testing.app;
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import static org.junit.Assume.assumeTrue;
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import android.app.Instrumentation;
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import android.content.Context;
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import android.content.pm.SharedLibraryInfo;
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import android.util.Log;
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import androidx.test.platform.app.InstrumentationRegistry;
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import androidx.test.runner.AndroidJUnit4;
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import com.android.modules.utils.build.SdkLevel;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableSet;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import java.io.File;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.List;
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import java.util.Locale;
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import java.util.Set;
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/**
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* Device-side helper app for obtaining shared libraries.
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*
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* <p>It is not technically a test as it simply collects information, but it simplifies the usage
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* and communication with host-side tests.
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*/
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@RunWith(AndroidJUnit4.class)
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public class SharedLibraryInfoDeviceTest {
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private static final String TAG = "SharedLibraryInfoDeviceTest";
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private static final Set<String> T_PLUS_EXCLUDES = ImmutableSet.of(
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// This shared library's code is added to the bootclasspath in T+ by the
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// AdServices mainline module.
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"android.ext.adservices"
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);
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private final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
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private final Context context = instrumentation.getTargetContext();
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@Before
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public void before() {
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assumeTrue(SdkLevel.isAtLeastS());
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instrumentation.getUiAutomation().adoptShellPermissionIdentity();
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}
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@After
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public void after() {
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instrumentation.getUiAutomation().dropShellPermissionIdentity();
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}
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/**
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* Collects details about all shared libraries on the device and writes them to disk.
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*/
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@Test
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public void collectSharedLibraryPaths() throws Exception {
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List<SharedLibraryInfo> sharedLibraries =
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context.getPackageManager().getSharedLibraries(0);
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ImmutableList.Builder<String> content = ImmutableList.builder();
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for (SharedLibraryInfo sharedLibrary : sharedLibraries) {
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if (!canSafelyIgnoreSharedLibrary(sharedLibrary)) {
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content.add(String.format(Locale.US, "%s %d %d %s",
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sharedLibrary.getName(),
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sharedLibrary.getType(),
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sharedLibrary.getLongVersion(),
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String.join(" ", sharedLibrary.getAllCodePaths())));
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}
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}
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Path detailsFilepath = new File("/sdcard/shared-libs.txt").toPath();
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ImmutableList<String> lines = content.build();
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Log.i(TAG, String.format("Writing details about %d shared libraries to %s",
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lines.size(), detailsFilepath));
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Files.write(detailsFilepath, lines);
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}
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private boolean canSafelyIgnoreSharedLibrary(SharedLibraryInfo sharedLibrary) {
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if (sharedLibrary.isNative()) {
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return true;
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}
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if (SdkLevel.isAtLeastT()) {
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return T_PLUS_EXCLUDES.contains(sharedLibrary.getName());
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}
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return false;
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}
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}
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