/**
* Funf: Open Sensing Framework
* Copyright (C) 2010-2011 Nadav Aharony, Wei Pan, Alex Pentland.
* Acknowledgments: Alan Gardner
* Contact: nadav@media.mit.edu
*
* This file is part of Funf.
*
* Funf is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* Funf is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Funf. If not, see <http://www.gnu.org/licenses/>.
*/
package edu.mit.media.funf;
import edu.mit.media.funf.util.StringUtil;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.test.AndroidTestCase;
import static edu.mit.media.funf.util.AsyncSharedPrefs.async;
public class AsyncSharedPrefsTest extends AndroidTestCase {
public static final String TEST_PREFS = "TEST";
private SharedPreferences innerPrefs;
private SharedPreferences prefs;
@Override
protected void setUp() throws Exception {
super.setUp();
System.out.println("Clearing prefs");
innerPrefs = getContext().getSharedPreferences(TEST_PREFS, Context.MODE_PRIVATE);
prefs = async(getContext().getSharedPreferences(TEST_PREFS, Context.MODE_PRIVATE));
prefs.edit().clear().commit();
}
public void testEdit() {
prefs.edit().putBoolean("test1", true).commit();
assertTrue(prefs.getBoolean("test1", false));
assertTrue((Boolean)prefs.getAll().get("test1"));
prefs.edit().putFloat("test2", 1.2f).commit();
assertEquals(1.2f, prefs.getFloat("test2", 0.0f));
prefs.edit().putInt("test3", 1).commit();
assertEquals(1, prefs.getInt("test3", 0));
prefs.edit().putLong("test4", 1L).commit();
assertEquals(1L, prefs.getLong("test4", 0L));
prefs.edit().putString("test5", "test").commit();
assertEquals("test", prefs.getString("test5", ""));
System.out.println("Entries: " + StringUtil.join(prefs.getAll().keySet(), ", "));
assertEquals(5, prefs.getAll().size());
}
public void testEditMultiple() {
prefs.edit().putBoolean("boolean", false).putString("string", "value").putInt("int", 3).commit();
assertEquals(false, prefs.getBoolean("boolean", true));
assertEquals("value", prefs.getString("string", ""));
assertEquals(3, prefs.getInt("int", 0));
}
public void testNoCommit() {
prefs.edit().putBoolean("boolean", true).commit();
SharedPreferences.Editor editor = prefs.edit().putBoolean("boolean", false); // no commit
assertEquals(true, prefs.getBoolean("boolean", false));
editor.commit();
}
public void testDiskPersistenceDelay() throws InterruptedException {
prefs.edit().putBoolean("boolean", true).commit();
assertEquals(false, innerPrefs.getBoolean("boolean", false)); // not committed to disk yet
assertEquals(true, prefs.getBoolean("boolean", false));
Thread.sleep(1000);
assertEquals(true, innerPrefs.getBoolean("boolean", false)); // committed later
}
private String keyUpdated, valueUpdated;
public void testListeners() throws InterruptedException {
keyUpdated = valueUpdated = null;
OnSharedPreferenceChangeListener listener = new OnSharedPreferenceChangeListener() {
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
assertSame(prefs, sharedPreferences);
keyUpdated = key;
valueUpdated = sharedPreferences.getString(key, null);
}
};
prefs.registerOnSharedPreferenceChangeListener(listener);
prefs.edit().putString("listener_test", "text_value").commit();
Thread.sleep(1000L);
assertEquals("listener_test", keyUpdated);
assertEquals("text_value", valueUpdated);
prefs.unregisterOnSharedPreferenceChangeListener(listener);
prefs.edit().putString("listener_test", "another_value").commit();
keyUpdated = valueUpdated = null;
Thread.sleep(1000L);
assertNull(keyUpdated);
}
public void testMultipleConsecutiveCommits() throws InterruptedException {
prefs.edit().putString("test", "1").commit();
prefs.edit().putString("test", "2").commit();
prefs.edit().putString("test", "3").commit();
prefs.edit().putString("test", "4").commit();
prefs.edit().putString("test", "5").commit();
prefs.edit().putString("test", "6").commit();
prefs.edit().putString("test", "7").commit();
assertEquals("7", prefs.getString("test", ""));
Thread.sleep(1000L);
assertEquals("7", prefs.getString("test", ""));
}
}