Build slice from indexed data in SliceProvider

Connect the SliceIndexing data to the SliceProvider,
such that a query to SliceProvider can build a Slice
via the indexed data from SlicesIndexingManager.

We take the key from the Uri supplied to the SettingSliceProvider
and find a potential matching row in the indexed data. The
matched data is then used to Build a slice for the caller.

Bug: 67996923
Test: robotests
Change-Id: If51bfd1a05c3f3817ae720554f95a98fc7b002e1

tests/robotests/src/com/android/settings/slices/SettingsSliceProviderTest.java

@@ -0,0 +1,97 @@
+/*
+ * 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.slices;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.ContentResolver;
+import android.database.sqlite.SQLiteDatabase;
+import android.net.Uri;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.DatabaseTestUtils;
+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.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import androidx.app.slice.Slice;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class SettingsSliceProviderTest {
+
+    private final String fakeTitle = "title";
+    private final String KEY = "key";
+
+    private Context mContext;
+    private SettingsSliceProvider mProvider;
+    private SQLiteDatabase mDb;
+
+    @Before
+    public void setUp() {
+        mContext = spy(RuntimeEnvironment.application);
+        mProvider = spy(new SettingsSliceProvider());
+        mDb = SlicesDatabaseHelper.getInstance(mContext).getWritableDatabase();
+        SlicesDatabaseHelper.getInstance(mContext).setIndexedState();
+    }
+
+    @After
+    public void cleanUp() {
+        DatabaseTestUtils.clearDb(mContext);
+    }
+
+    @Test
+    public void testInitialSliceReturned_emmptySlice() {
+        Uri uri = SettingsSliceProvider.getUri(KEY);
+        Slice slice = mProvider.onBindSlice(uri);
+
+        assertThat(slice.getUri()).isEqualTo(uri);
+        assertThat(slice.getItems()).isEmpty();
+    }
+
+    @Test
+    public void testUriBuilder_returnsValidSliceUri() {
+        Uri uri = SettingsSliceProvider.getUri(KEY);
+
+        assertThat(uri.getScheme()).isEqualTo(ContentResolver.SCHEME_CONTENT);
+        assertThat(uri.getAuthority()).isEqualTo(SettingsSliceProvider.SLICE_AUTHORITY);
+        assertThat(uri.getLastPathSegment()).isEqualTo(KEY);
+    }
+
+    private void insertSpecialCase(String key) {
+        ContentValues values = new ContentValues();
+        values.put(SlicesDatabaseHelper.IndexColumns.KEY, key);
+        values.put(SlicesDatabaseHelper.IndexColumns.TITLE, fakeTitle);
+        values.put(SlicesDatabaseHelper.IndexColumns.SUMMARY, "s");
+        values.put(SlicesDatabaseHelper.IndexColumns.SCREENTITLE, "s");
+        values.put(SlicesDatabaseHelper.IndexColumns.ICON_RESOURCE, 1234);
+        values.put(SlicesDatabaseHelper.IndexColumns.FRAGMENT, "test");
+        values.put(SlicesDatabaseHelper.IndexColumns.CONTROLLER, "test");
+
+        mDb.replaceOrThrow(SlicesDatabaseHelper.Tables.TABLE_SLICES_INDEX, null, values);
+    }
+}