Create the default static cards for Contextual Settings Homepage

Adding three default ContextualCard data to CardContentProvider, in case
of empty database or no SettingsIntelligence, to keep Contextual
Settings Homepage working well.

Bug: 113372471
Test: visual, atest SettingsHomepageActivityTest
Change-Id: Id7b26818e10f7945b2618100901310a005d8cc0d

src/com/android/settings/homepage/CardContentLoader.java

@@ -17,16 +17,21 @@
 package com.android.settings.homepage;
 
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.database.Cursor;
+import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 
+import com.android.settings.homepage.deviceinfo.DataUsageSlice;
 import com.android.settingslib.utils.AsyncLoaderCompat;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class CardContentLoader extends AsyncLoaderCompat<List<ContextualCard>> {
+    private static final String TAG = "CardContentLoader";
     static final int CARD_CONTENT_LOADER_ID = 1;
 
     private Context mContext;
@@ -49,9 +54,9 @@ public class CardContentLoader extends AsyncLoaderCompat<List<ContextualCard>> {
     @Override
     public List<ContextualCard> loadInBackground() {
         final List<ContextualCard> result = new ArrayList<>();
-        try (Cursor cursor = CardDatabaseHelper.getInstance(mContext).getContextualCards()) {
+        try (Cursor cursor = getContextualCardsFromProvider()) {
             if (cursor.getCount() == 0) {
-                //TODO(b/113372471): Load Default static cards and return 3 static cards
+                result.addAll(createStaticCards());
                 return result;
             }
             for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
@@ -65,4 +70,58 @@ public class CardContentLoader extends AsyncLoaderCompat<List<ContextualCard>> {
         }
         return result;
     }
+
+    @VisibleForTesting
+    Cursor getContextualCardsFromProvider() {
+        return CardDatabaseHelper.getInstance(mContext).getContextualCards();
+    }
+
+    @VisibleForTesting
+    List<ContextualCard> createStaticCards() {
+        final long appVersionCode = getAppVersionCode();
+        final String packageName = mContext.getPackageName();
+        final double rankingScore = 0.0;
+        final List<ContextualCard> result = new ArrayList() {{
+            add(new ContextualCard.Builder()
+                    .setSliceUri(DataUsageSlice.DATA_USAGE_CARD_URI.toString())
+                    .setName(packageName + "/" + DataUsageSlice.PATH_DATA_USAGE_CARD)
+                    .setPackageName(packageName)
+                    .setRankingScore(rankingScore)
+                    .setAppVersion(appVersionCode)
+                    .setCardType(ContextualCard.CardType.SLICE)
+                    .setIsHalfWidth(true)
+                    .build());
+            //TODO(b/115971399): Will change following values of SliceUri and Name
+            // after landing these slice cards.
+            add(new ContextualCard.Builder()
+                    .setSliceUri("content://com.android.settings.slices/intent/battery_card")
+                    .setName(packageName + "/" + "battery_card")
+                    .setPackageName(packageName)
+                    .setRankingScore(rankingScore)
+                    .setAppVersion(appVersionCode)
+                    .setCardType(ContextualCard.CardType.SLICE)
+                    .setIsHalfWidth(true)
+                    .build());
+            add(new ContextualCard.Builder()
+                    .setSliceUri("content://com.android.settings.slices/intent/device_info_card")
+                    .setName(packageName + "/" + "device_info_card")
+                    .setPackageName(packageName)
+                    .setRankingScore(rankingScore)
+                    .setAppVersion(appVersionCode)
+                    .setCardType(ContextualCard.CardType.SLICE)
+                    .setIsHalfWidth(true)
+                    .build());
+        }};
+        return result;
+    }
+
+    private long getAppVersionCode() {
+        try {
+            return mContext.getPackageManager().getPackageInfo(mContext.getPackageName(),
+                    0 /* flags */).getLongVersionCode();
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.e(TAG, "Invalid package name for context", e);
+        }
+        return -1L;
+    }
 }

tests/robotests/src/com/android/settings/homepage/CardContentLoaderTest.java

@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2018 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.homepage;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.List;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class CardContentLoaderTest {
+    private static final String[] QUERY_PROJECTION = {
+            CardDatabaseHelper.CardColumns.NAME,
+            CardDatabaseHelper.CardColumns.TYPE,
+            CardDatabaseHelper.CardColumns.SCORE,
+            CardDatabaseHelper.CardColumns.SLICE_URI,
+            CardDatabaseHelper.CardColumns.CATEGORY,
+            CardDatabaseHelper.CardColumns.LOCALIZED_TO_LOCALE,
+            CardDatabaseHelper.CardColumns.PACKAGE_NAME,
+            CardDatabaseHelper.CardColumns.APP_VERSION,
+            CardDatabaseHelper.CardColumns.TITLE_RES_NAME,
+            CardDatabaseHelper.CardColumns.TITLE_TEXT,
+            CardDatabaseHelper.CardColumns.SUMMARY_RES_NAME,
+            CardDatabaseHelper.CardColumns.SUMMARY_TEXT,
+            CardDatabaseHelper.CardColumns.ICON_RES_NAME,
+            CardDatabaseHelper.CardColumns.ICON_RES_ID,
+            CardDatabaseHelper.CardColumns.CARD_ACTION,
+            CardDatabaseHelper.CardColumns.EXPIRE_TIME_MS,
+            CardDatabaseHelper.CardColumns.SUPPORT_HALF_WIDTH
+    };
+
+    private Context mContext;
+    private CardContentLoader mCardContentLoader;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mCardContentLoader = spy(new CardContentLoader(mContext));
+    }
+
+    @Test
+    public void loadInBackground_hasDataInDb_shouldReturnData() {
+        final Cursor cursor = generateTwoRowContextualCards();
+        doReturn(cursor).when(mCardContentLoader).getContextualCardsFromProvider();
+
+        final List<ContextualCard> contextualCards = mCardContentLoader.loadInBackground();
+
+        assertThat(contextualCards.size()).isEqualTo(cursor.getCount());
+    }
+
+    @Test
+    public void loadInBackground_hasNoData_shouldReturnThreeDefaultData() {
+        final Cursor cursor = generateEmptyContextualCards();
+        doReturn(cursor).when(mCardContentLoader).getContextualCardsFromProvider();
+
+        final List<ContextualCard> contextualCards = mCardContentLoader.loadInBackground();
+
+        assertThat(contextualCards.size()).isEqualTo(mCardContentLoader.createStaticCards().size());
+    }
+
+    private MatrixCursor generateEmptyContextualCards() {
+        final MatrixCursor result = new MatrixCursor(QUERY_PROJECTION);
+        return result;
+    }
+
+    private MatrixCursor generateTwoRowContextualCards() {
+        final MatrixCursor result = generateEmptyContextualCards();
+        result.addRow(generateFirstFakeData());
+        result.addRow(generateSecondFakeData());
+        return result;
+    }
+
+    private Object[] generateFirstFakeData() {
+        final Object[] ref = new Object[]{
+                "auto_rotate", /* NAME */
+                ContextualCard.CardType.SLICE, /* TYPE */
+                0.5, /* SCORE */
+                "content://com.android.settings.slices/action/auto_rotate", /* SLICE_URI */
+                2, /* CATEGORY */
+                "", /* LOCALIZED_TO_LOCALE */
+                "com.android.settings", /* PACKAGE_NAME */
+                1l, /* APP_VERSION */
+                "", /* TITLE_RES_NAME */
+                "", /* TITLE_TEXT */
+                "", /* SUMMARY_RES_NAME */
+                "", /* SUMMARY_TEXT */
+                "", /* ICON_RES_NAME */
+                0, /* ICON_RES_ID */
+                0, /* CARD_ACTION */
+                -1, /* EXPIRE_TIME_MS */
+                0 /* SUPPORT_HALF_WIDTH */
+        };
+        return ref;
+    }
+
+    private Object[] generateSecondFakeData() {
+        final Object[] ref = new Object[]{
+                "toggle_airplane", /* NAME */
+                ContextualCard.CardType.SLICE, /* TYPE */
+                0.5, /* SCORE */
+                "content://com.android.settings.slices/action/toggle_airplane", /* SLICE_URI */
+                2, /* CATEGORY */
+                "", /* LOCALIZED_TO_LOCALE */
+                "com.android.settings", /* PACKAGE_NAME */
+                1l, /* APP_VERSION */
+                "", /* TITLE_RES_NAME */
+                "", /* TITLE_TEXT */
+                "", /* SUMMARY_RES_NAME */
+                "", /* SUMMARY_TEXT */
+                "", /* ICON_RES_NAME */
+                0, /* ICON_RES_ID */
+                0, /* CARD_ACTION */
+                -1, /* EXPIRE_TIME_MS */
+                0 /* SUPPORT_HALF_WIDTH */
+        };
+        return ref;
+    }
+}

tests/unit/src/com/android/settings/homepage/SettingsHomepageActivityTest.java

@@ -16,25 +16,28 @@
 
 package com.android.settings.homepage;
 
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+
 import static com.android.settings.homepage.SettingsHomepageActivity.PERSONAL_SETTINGS_TAG;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
+import android.content.Intent;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
 import android.util.FeatureFlagUtils;
 
 import androidx.fragment.app.Fragment;
 
 import com.android.settings.core.FeatureFlags;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.Robolectric;
-import org.robolectric.RuntimeEnvironment;
 
-@RunWith(SettingsRobolectricTestRunner.class)
+@RunWith(AndroidJUnit4.class)
 public class SettingsHomepageActivityTest {
 
     private Context mContext;
@@ -42,16 +45,27 @@ public class SettingsHomepageActivityTest {
 
     @Before
     public void setUp() {
-        mContext = RuntimeEnvironment.application;
+        mContext = InstrumentationRegistry.getTargetContext();
         FeatureFlagUtils.setEnabled(mContext, FeatureFlags.DYNAMIC_HOMEPAGE, true);
     }
 
+    @After
+    public void tearDown() {
+        FeatureFlagUtils.setEnabled(mContext, FeatureFlags.DYNAMIC_HOMEPAGE, false);
+    }
+
     @Test
     public void launchHomepage_shouldOpenPersonalSettings() {
-        mActivity = Robolectric.setupActivity(SettingsHomepageActivity.class);
+        final Intent intent = new Intent().setClass(mContext, SettingsHomepageActivity.class)
+                .addFlags(FLAG_ACTIVITY_NEW_TASK);
+
+        mActivity = (SettingsHomepageActivity) InstrumentationRegistry.getInstrumentation()
+                .startActivitySync(intent);
+
         final Fragment fragment = mActivity.getSupportFragmentManager()
                 .findFragmentByTag(PERSONAL_SETTINGS_TAG);
 
         assertThat(fragment).isInstanceOf(PersonalSettingsFragment.class);
     }
+
 }