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/*
* Copyright (C) 2015 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.dialer.calllog;
import android.content.Context;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.support.v7.widget.RecyclerView;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
/**
* Tests for {@link GroupingListAdapter}.
*
* Running all tests:
*
* adb shell am instrument -e class com.android.dialer.calllog.GroupingListAdapterTests \
* -w com.android.dialer.tests/android.test.InstrumentationTestRunner
*/
@MediumTest
public class GroupingListAdapterTests extends AndroidTestCase {
static private final String[] PROJECTION = new String[] {
"_id",
"group",
};
private static final int GROUPING_COLUMN_INDEX = 1;
private MatrixCursor mCursor;
private long mNextId;
private GroupingListAdapter mAdapter = new GroupingListAdapter(null) {
@Override
protected void addGroups(Cursor cursor) {
int count = cursor.getCount();
int groupItemCount = 1;
cursor.moveToFirst();
String currentValue = cursor.getString(GROUPING_COLUMN_INDEX);
for (int i = 1; i < count; i++) {
cursor.moveToNext();
String value = cursor.getString(GROUPING_COLUMN_INDEX);
if (TextUtils.equals(value, currentValue)) {
groupItemCount++;
} else {
addGroup(i - groupItemCount, groupItemCount);
groupItemCount = 1;
currentValue = value;
}
}
addGroup(count - groupItemCount, groupItemCount);
}
@Override
protected void addVoicemailGroups(Cursor c) {
// Do nothing.
}
@Override
public void onContentChanged() {
// Do nothing.
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int position) {
return null;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) {
// Do nothing.
}
};
private void buildCursor(String... numbers) {
mCursor = new MatrixCursor(PROJECTION);
mNextId = 1;
for (String number : numbers) {
mCursor.addRow(new Object[]{mNextId, number});
mNextId++;
}
}
public void testGroupingWithoutGroups() {
buildCursor("1", "2", "3");
mAdapter.changeCursor(mCursor);
assertEquals(3, mAdapter.getItemCount());
assertMetadata(0, 1, "1");
assertMetadata(1, 1, "2");
assertMetadata(2, 1, "3");
}
public void testGroupingWithGroupAtTheBeginning() {
buildCursor("1", "1", "2");
mAdapter.changeCursor(mCursor);
assertEquals(2, mAdapter.getItemCount());
assertMetadata(0, 2, "1");
assertMetadata(1, 1, "2");
}
public void testGroupingWithGroupInTheMiddle() {
buildCursor("1", "2", "2", "2", "3");
mAdapter.changeCursor(mCursor);
assertEquals(3, mAdapter.getItemCount());
assertMetadata(0, 1, "1");
assertMetadata(1, 3, "2");
assertMetadata(2, 1, "3");
}
public void testGroupingWithGroupAtTheEnd() {
buildCursor("1", "2", "3", "3", "3");
mAdapter.changeCursor(mCursor);
assertEquals(3, mAdapter.getItemCount());
assertMetadata(0, 1, "1");
assertMetadata(1, 1, "2");
assertMetadata(2, 3, "3");
}
public void testGroupingWithMultipleGroups() {
buildCursor("1", "2", "2", "3", "4", "4", "5", "5", "6");
mAdapter.changeCursor(mCursor);
assertEquals(6, mAdapter.getItemCount());
assertMetadata(0, 1, "1");
assertMetadata(1, 2, "2");
assertMetadata(2, 1, "3");
assertMetadata(3, 2, "4");
assertMetadata(4, 2, "5");
assertMetadata(5, 1, "6");
}
public void testGroupDescriptorArrayGrowth() {
String[] numbers = new String[500];
for (int i = 0; i < numbers.length; i++) {
// Make groups of 2
numbers[i] = String.valueOf((i / 2) * 2);
}
buildCursor(numbers);
mAdapter.changeCursor(mCursor);
assertEquals(250, mAdapter.getItemCount());
}
private void assertMetadata(int listPosition, int groupSize, String objectValue) {
assertEquals(groupSize, mAdapter.getGroupSize(listPosition));
MatrixCursor cursor = (MatrixCursor) mAdapter.getItem(listPosition);
assertEquals(objectValue, cursor.getString(GROUPING_COLUMN_INDEX));
}
}
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