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/*
* Copyright (C) 2012 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.contacts.database;
import android.database.Cursor;
import android.net.Uri;
import android.test.InstrumentationTestCase;
import android.test.mock.MockContentProvider;
import android.test.mock.MockContentResolver;
import android.test.suitebuilder.annotation.SmallTest;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* Unit test for {@link NoNullCursorAsyncQueryHandler}
*/
@SmallTest
public class NoNullCursorAsyncQueryHandlerTest extends InstrumentationTestCase {
private MockContentResolver mMockContentResolver;
private static final String AUTHORITY = "com.android.contacts.common.unittest";
private static final Uri URI = Uri.parse("content://" + AUTHORITY);
private static final String[] PROJECTION = new String[]{"column1", "column2"};
@Override
public void setUp() throws Exception {
super.setUp();
mMockContentResolver = new MockContentResolver();
final MockContentProvider mMockContentProvider = new MockContentProvider() {
@Override
public Cursor query(Uri uri, String[] projection, String selection,
String[] selectionArgs,
String sortOrder) {
return null;
}
};
mMockContentResolver.addProvider(AUTHORITY, mMockContentProvider);
}
public void testCursorIsNotNull() throws Throwable {
final CountDownLatch latch = new CountDownLatch(1);
final ObjectHolder<Cursor> cursorHolder = ObjectHolder.newInstance();
final ObjectHolder<Boolean> ranHolder = ObjectHolder.newInstance(false);
runTestOnUiThread(new Runnable() {
@Override
public void run() {
NoNullCursorAsyncQueryHandler handler = new NoNullCursorAsyncQueryHandler(
mMockContentResolver) {
@Override
protected void onNotNullableQueryComplete(int token, Object cookie,
Cursor cursor) {
cursorHolder.obj = cursor;
ranHolder.obj = true;
latch.countDown();
}
};
handler.startQuery(1, null, URI, PROJECTION, null, null, null);
}
});
latch.await(5, TimeUnit.SECONDS);
assertFalse(cursorHolder.obj == null);
assertTrue(ranHolder.obj);
}
public void testCursorContainsCorrectCookies() throws Throwable {
final ObjectHolder<Boolean> ranHolder = ObjectHolder.newInstance(false);
final CountDownLatch latch = new CountDownLatch(1);
final ObjectHolder<Object> cookieHolder = ObjectHolder.newInstance();
final String cookie = "TEST COOKIE";
runTestOnUiThread(new Runnable() {
@Override
public void run() {
final NoNullCursorAsyncQueryHandler handler = new NoNullCursorAsyncQueryHandler(
mMockContentResolver) {
@Override
protected void onNotNullableQueryComplete(int token, Object cookie,
Cursor cursor) {
ranHolder.obj = true;
cookieHolder.obj = cookie;
latch.countDown();
}
};
handler.startQuery(1, cookie, URI, PROJECTION, null, null, null);
}
});
latch.await(5, TimeUnit.SECONDS);
assertSame(cookie, cookieHolder.obj);
assertTrue(ranHolder.obj);
}
public void testCursorContainsCorrectColumns() throws Throwable {
final ObjectHolder<Boolean> ranHolder = ObjectHolder.newInstance(false);
final CountDownLatch latch = new CountDownLatch(1);
final ObjectHolder<Cursor> cursorHolder = ObjectHolder.newInstance();
final String cookie = "TEST COOKIE";
runTestOnUiThread(new Runnable() {
@Override
public void run() {
final NoNullCursorAsyncQueryHandler handler = new NoNullCursorAsyncQueryHandler(
mMockContentResolver) {
@Override
protected void onNotNullableQueryComplete(int token, Object cookie,
Cursor cursor) {
ranHolder.obj = true;
cursorHolder.obj = cursor;
latch.countDown();
}
};
handler.startQuery(1, cookie, URI, PROJECTION, null, null, null);
}
});
latch.await(5, TimeUnit.SECONDS);
assertSame(PROJECTION, cursorHolder.obj.getColumnNames());
assertTrue(ranHolder.obj);
}
private static class ObjectHolder<T> {
public T obj;
public static <E> ObjectHolder<E> newInstance() {
return new ObjectHolder<E>();
}
public static <E> ObjectHolder<E> newInstance(E value) {
ObjectHolder<E> holder = new ObjectHolder<E>();
holder.obj = value;
return holder;
}
}
}
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