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/*
* 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.adservices.service.topics;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/**
* Unit tests for {@link com.android.adservices.service.topics.PackageManagerUtil}.
*/
public class PackageManagerUtilTest {
private static final String TEST_PACKAGE_NAME = "SamplePackageName";
private static final CharSequence TEST_APP_NAME = "Name for App";
private static final CharSequence TEST_APP_DESCRIPTION = "Description for App";
private PackageManagerUtil mPackageManagerUtil;
@Mock
private PackageManager mPackageManager;
@Mock
private ApplicationInfo mApplicationInfo;
@Mock
private Context mContext;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
doReturn(mPackageManager).when(mContext).getPackageManager();
mPackageManagerUtil = new PackageManagerUtil(mContext);
}
@Test
public void testGetAppInformationWithNameNotFoundException()
throws Exception {
// Simulate throwing NameNotFoundException when PackageManager calls getApplicationInfo.
doThrow(new NameNotFoundException()).when(mPackageManager)
.getApplicationInfo(any(String.class), anyInt());
// Returned AppInfo instance should have empty strin as appName and empty string as
// appDescription.
ImmutableMap<String, AppInfo> appInfoMap = mPackageManagerUtil.getAppInformation(
ImmutableSet.of(
TEST_PACKAGE_NAME));
assertThat(appInfoMap).hasSize(1);
AppInfo appInfo = Iterables.getOnlyElement(appInfoMap.values());
assertThat(appInfo.getAppDescription()).isEmpty();
assertThat(appInfo.getAppName()).isEmpty();
}
@Test
public void testGetAppInformationWithNullApplicationInfo()
throws Exception {
// Return null when PackageManager calls getApplicationInfo.
doReturn(null).when(mPackageManager).getApplicationInfo(any(String.class), anyInt());
// Returned AppInfo instance should have empty string as appName and empty string as
// appDescription.
ImmutableMap<String, AppInfo> appInfoMap = mPackageManagerUtil.getAppInformation(
ImmutableSet.of(
TEST_PACKAGE_NAME));
assertThat(appInfoMap).hasSize(1);
AppInfo appInfo = Iterables.getOnlyElement(appInfoMap.values());
assertThat(appInfo.getAppDescription()).isEmpty();
assertThat(appInfo.getAppName()).isEmpty();
}
@Test
public void testGetAppInformation()
throws Exception {
// Return mocked ApplicationInfo when PackageManager calls getApplicationInfo.
// Also return non-empty CharSequence for mocked PackageManager's getApplicationLabel call
// and mocked ApplicationInfo's loadDescription call.
doReturn(mApplicationInfo).when(mPackageManager).getApplicationInfo(any(String.class),
anyInt());
doReturn(TEST_APP_NAME).when(mPackageManager).getApplicationLabel(mApplicationInfo);
doReturn(TEST_APP_DESCRIPTION).when(mApplicationInfo).loadDescription(mPackageManager);
// Returned AppInfo instance should have appName and appDescription as the passed in
// CharSequence.
ImmutableMap<String, AppInfo> appInfoMap = mPackageManagerUtil.getAppInformation(
ImmutableSet.of(
TEST_PACKAGE_NAME));
assertThat(appInfoMap).hasSize(1);
AppInfo appInfo = Iterables.getOnlyElement(appInfoMap.values());
assertThat(appInfo.getAppDescription()).isEqualTo(TEST_APP_DESCRIPTION);
assertThat(appInfo.getAppName()).isEqualTo(TEST_APP_NAME);
}
@Test
public void testGetAppInformationWithNullAppDescription()
throws Exception {
// Return null for mocked ApplicationInfo's loadDescription call.
doReturn(mApplicationInfo).when(mPackageManager).getApplicationInfo(any(String.class),
anyInt());
doReturn(TEST_APP_NAME).when(mPackageManager).getApplicationLabel(mApplicationInfo);
doReturn(null).when(mApplicationInfo).loadDescription(mPackageManager);
// Returned AppInfo instance should have empty string as appDescription and TEST_APP_NAME
// as appName.
ImmutableMap<String, AppInfo> appInfoMap = mPackageManagerUtil.getAppInformation(
ImmutableSet.of(
TEST_PACKAGE_NAME));
assertThat(appInfoMap).hasSize(1);
AppInfo appInfo = Iterables.getOnlyElement(appInfoMap.values());
assertThat(appInfo.getAppDescription()).isEmpty();
assertThat(appInfo.getAppName()).isEqualTo(TEST_APP_NAME);
}
@Test
public void testGetAppInformationWithNullAppName()
throws Exception {
// Return null for mocked PackageManager's getApplicationLabel call.
doReturn(mApplicationInfo).when(mPackageManager).getApplicationInfo(any(String.class),
anyInt());
doReturn(null).when(mPackageManager).getApplicationLabel(mApplicationInfo);
doReturn(TEST_APP_DESCRIPTION).when(mApplicationInfo).loadDescription(mPackageManager);
// Returned AppInfo instance should have empty string as appName and TEST_APP_DESCRIPTION
// as appDescription.
ImmutableMap<String, AppInfo> appInfoMap = mPackageManagerUtil.getAppInformation(
ImmutableSet.of(
TEST_PACKAGE_NAME));
assertThat(appInfoMap).hasSize(1);
AppInfo appInfo = Iterables.getOnlyElement(appInfoMap.values());
assertThat(appInfo.getAppDescription()).isEqualTo(TEST_APP_DESCRIPTION);
assertThat(appInfo.getAppName()).isEmpty();
}
@Test
public void testGetAppInformation_multipleAppPackages()
throws Exception {
// Arrange mocks for a set of three app package names. Third call is for a package name
// with null returned as description and app name.
doReturn(mApplicationInfo).when(mPackageManager).getApplicationInfo(any(String.class),
anyInt());
doReturn("app-1", "app-2", null).when(mPackageManager).getApplicationLabel(
mApplicationInfo);
doReturn("desc-1", "desc-2", null).when(mApplicationInfo).loadDescription(mPackageManager);
ImmutableMap<String, AppInfo> appInfoMap = mPackageManagerUtil.getAppInformation(
ImmutableSet.of(
"test-1", "test-2", "test-3"));
assertThat(appInfoMap).hasSize(3);
assertThat(appInfoMap.get("test-1")).isEqualTo(new AppInfo("app-1", "desc-1"));
assertThat(appInfoMap.get("test-2")).isEqualTo(new AppInfo("app-2", "desc-2"));
// Verify empty strings for null response in app name and description.
assertThat(appInfoMap.get("test-3")).isEqualTo(new AppInfo("", ""));
}
}
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