app_Settings/tests/unit/src/com/android/settings/security/SecuritySettingsTest.java

/*
 * 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.settings.security;

import static android.content.Context.FACE_SERVICE;
import static android.content.Context.FINGERPRINT_SERVICE;
import static android.content.pm.PackageManager.FEATURE_FACE;
import static android.content.pm.PackageManager.FEATURE_FINGERPRINT;

import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_KEY;
import static com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag.FLAG_INCLUDE_PREF_SCREEN;
import static com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag.FLAG_NEED_KEY;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

import android.annotation.XmlRes;
import android.content.Context;
import android.content.pm.PackageManager;
import android.hardware.face.FaceManager;
import android.hardware.fingerprint.FingerprintManager;
import android.os.Bundle;
import android.os.Looper;
import android.provider.SearchIndexableResource;

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

import com.android.settings.biometrics.combination.CombinedBiometricStatusPreferenceController;
import com.android.settings.biometrics.face.FaceStatusPreferenceController;
import com.android.settings.biometrics.fingerprint.FingerprintStatusPreferenceController;
import com.android.settings.core.PreferenceXmlParserUtils;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.security.trustagent.TrustAgentManager;
import com.android.settings.testutils.FakeFeatureFactory;
import com.android.settingslib.core.AbstractPreferenceController;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import java.util.ArrayList;
import java.util.List;


@RunWith(AndroidJUnit4.class)
public class SecuritySettingsTest {

    private Context mContext;
    private SecuritySettingsFeatureProvider mSecuritySettingsFeatureProvider;
    private SecuritySettings mSecuritySettings;

    @Mock
    private TrustAgentManager mTrustAgentManager;
    @Mock
    private FaceManager mFaceManager;
    @Mock
    private FingerprintManager mFingerprintManager;
    @Mock
    private PackageManager mPackageManager;

    @Before
    @UiThreadTest
    public void setup() {
        if (Looper.myLooper() == null) {
            Looper.prepare();
        }

        MockitoAnnotations.initMocks(this);
        mContext = spy(ApplicationProvider.getApplicationContext());
        when(mContext.getPackageManager()).thenReturn(mPackageManager);
        when(mPackageManager.hasSystemFeature(FEATURE_FACE)).thenReturn(true);
        when(mPackageManager.hasSystemFeature(FEATURE_FINGERPRINT)).thenReturn(true);
        doReturn(mFaceManager).when(mContext).getSystemService(FACE_SERVICE);
        doReturn(mFingerprintManager).when(mContext).getSystemService(FINGERPRINT_SERVICE);
        FakeFeatureFactory mFeatureFactory = FakeFeatureFactory.setupForTest();
        SecurityFeatureProvider mSecurityFeatureProvider =
                mFeatureFactory.getSecurityFeatureProvider();

        when(mSecurityFeatureProvider.getTrustAgentManager()).thenReturn(mTrustAgentManager);
        mSecuritySettingsFeatureProvider = mFeatureFactory.getSecuritySettingsFeatureProvider();
        mSecuritySettings = new SecuritySettings();
    }

    @Test
    public void noAlternativeFragmentAvailable_pageIndexIncluded() throws Exception {
        when(mSecuritySettingsFeatureProvider.hasAlternativeSecuritySettingsFragment()).thenReturn(
                false);
        BaseSearchIndexProvider indexProvider = SecuritySettings.SEARCH_INDEX_DATA_PROVIDER;

        List<String> allXmlKeys = getAllXmlKeys(indexProvider);
        List<String> nonIndexableKeys = indexProvider.getNonIndexableKeys(mContext);
        allXmlKeys.removeAll(nonIndexableKeys);

        assertThat(allXmlKeys).isNotEmpty();
    }

    @Test
    public void alternativeFragmentAvailable_pageIndexExcluded() throws Exception {
        when(mSecuritySettingsFeatureProvider.hasAlternativeSecuritySettingsFragment()).thenReturn(
                true);
        BaseSearchIndexProvider indexProvider = SecuritySettings.SEARCH_INDEX_DATA_PROVIDER;

        List<String> allXmlKeys = getAllXmlKeys(indexProvider);
        List<String> nonIndexableKeys = indexProvider.getNonIndexableKeys(mContext);
        allXmlKeys.removeAll(nonIndexableKeys);

        assertThat(allXmlKeys).isEmpty();
    }

    @Test
    @UiThreadTest
    public void preferenceController_containsFaceWhenAvailable() {
        when(mFaceManager.isHardwareDetected()).thenReturn(true);
        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
        final List<AbstractPreferenceController> controllers =
                mSecuritySettings.createPreferenceControllers(mContext);

        assertThat(isFacePrefAvailable(controllers)).isTrue();
        assertThat(isFingerprintPrefAvailable(controllers)).isFalse();
        assertThat(isCombinedPrefAvailable(controllers)).isFalse();
    }

    @Test
    @UiThreadTest
    public void preferenceController_containsFingerprintWhenAvailable() {
        when(mFaceManager.isHardwareDetected()).thenReturn(false);
        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
        final List<AbstractPreferenceController> controllers =
                mSecuritySettings.createPreferenceControllers(mContext);

        assertThat(isFacePrefAvailable(controllers)).isFalse();
        assertThat(isFingerprintPrefAvailable(controllers)).isTrue();
        assertThat(isCombinedPrefAvailable(controllers)).isFalse();
    }

    @Test
    @UiThreadTest
    public void preferenceController_containsCombinedBiometricWhenAvailable() {
        when(mFaceManager.isHardwareDetected()).thenReturn(true);
        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
        final List<AbstractPreferenceController> controllers =
                mSecuritySettings.createPreferenceControllers(mContext);

        assertThat(isFacePrefAvailable(controllers)).isFalse();
        assertThat(isFingerprintPrefAvailable(controllers)).isFalse();
        assertThat(isCombinedPrefAvailable(controllers)).isTrue();
    }

    private List<String> getAllXmlKeys(BaseSearchIndexProvider indexProvider) throws Exception {
        final List<SearchIndexableResource> resources = indexProvider.getXmlResourcesToIndex(
                mContext, true /* not used*/);
        if (resources == null || resources.isEmpty()) {
            return new ArrayList<>();
        }
        final List<String> keys = new ArrayList<>();
        for (SearchIndexableResource res : resources) {
            keys.addAll(getKeysFromXml(res.xmlResId));
        }
        return keys;
    }

    private List<String> getKeysFromXml(@XmlRes int xmlResId) throws Exception {
        final List<String> keys = new ArrayList<>();
        final List<Bundle> metadata = PreferenceXmlParserUtils.extractMetadata(mContext, xmlResId,
                FLAG_NEED_KEY | FLAG_INCLUDE_PREF_SCREEN);
        for (Bundle bundle : metadata) {
            keys.add(bundle.getString(METADATA_KEY));
        }
        return keys;
    }

    boolean isFacePrefAvailable(List<AbstractPreferenceController> controllers) {
        return controllers.stream().filter(
                controller -> controller instanceof FaceStatusPreferenceController
                        && controller.isAvailable()).count() == 1;
    }

    boolean isFingerprintPrefAvailable(List<AbstractPreferenceController> controllers) {
        return controllers.stream().filter(
                controller -> controller instanceof FingerprintStatusPreferenceController
                        && controller.isAvailable()).count() == 1;
    }

    boolean isCombinedPrefAvailable(List<AbstractPreferenceController> controllers) {
        return controllers.stream().filter(
                controller -> controller instanceof CombinedBiometricStatusPreferenceController
                        && controller.isAvailable()).count() == 1;
    }
}