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Android example source code file (SettingsProviderTest.java)

This example Android source code file (SettingsProviderTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

android, androidtestcase, content, contentresolver, contentvalues, cursor, internet, mediumtest, net, network, new, provider, settingsprovidertest, test, title, toast, unsupportedoperationexception, uri, value, where

The SettingsProviderTest.java Android example source code

/*
 * Copyright (C) 2008 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 android.provider;

import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.provider.Settings;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.MediumTest;

/** Unit test for SettingsProvider. */
public class SettingsProviderTest extends AndroidTestCase {
    @MediumTest
    public void testNameValueCache() {
        ContentResolver r = getContext().getContentResolver();
        Settings.Secure.putString(r, "test_service", "Value");
        assertEquals("Value", Settings.Secure.getString(r, "test_service"));

        // Make sure the value can be overwritten.
        Settings.Secure.putString(r, "test_service", "New");
        assertEquals("New", Settings.Secure.getString(r, "test_service"));

        // Also that delete works.
        assertEquals(1, r.delete(Settings.Secure.getUriFor("test_service"), null, null));
        assertEquals(null, Settings.Secure.getString(r, "test_service"));

        // Try all the same things in the System table
        Settings.System.putString(r, "test_setting", "Value");
        assertEquals("Value", Settings.System.getString(r, "test_setting"));

        Settings.System.putString(r, "test_setting", "New");
        assertEquals("New", Settings.System.getString(r, "test_setting"));

        assertEquals(1, r.delete(Settings.System.getUriFor("test_setting"), null, null));
        assertEquals(null, Settings.System.getString(r, "test_setting"));
    }

    @MediumTest
    public void testRowNameContentUri() {
        ContentResolver r = getContext().getContentResolver();

        assertEquals("content://settings/system/test_setting",
                Settings.System.getUriFor("test_setting").toString());
        assertEquals("content://settings/secure/test_service",
                Settings.Secure.getUriFor("test_service").toString());

        // These tables use the row name (not ID) as their content URI.
        Uri tables[] = { Settings.System.CONTENT_URI, Settings.Secure.CONTENT_URI };
        for (Uri table : tables) {
            ContentValues v = new ContentValues();
            v.put(Settings.System.NAME, "test_key");
            v.put(Settings.System.VALUE, "Test");
            Uri uri = r.insert(table, v);
            assertEquals(table.toString() + "/test_key", uri.toString());

            // Query with a specific URI and no WHERE clause succeeds.
            Cursor c = r.query(uri, null, null, null, null);
            try {
                assertTrue(c.moveToNext());
                assertEquals("test_key", c.getString(c.getColumnIndex(Settings.System.NAME)));
                assertEquals("Test", c.getString(c.getColumnIndex(Settings.System.VALUE)));
                assertFalse(c.moveToNext());
            } finally {
                c.close();
            }

            // Query with a specific URI and a WHERE clause fails.
            try {
                r.query(uri, null, "1", null, null);
                fail("UnsupportedOperationException expected");
            } catch (UnsupportedOperationException e) {
                if (!e.toString().contains("WHERE clause")) throw e;
            }

            // Query with a tablewide URI and a WHERE clause succeeds.
            c = r.query(table, null, "name='test_key'", null, null);
            try {
                assertTrue(c.moveToNext());
                assertEquals("test_key", c.getString(c.getColumnIndex(Settings.System.NAME)));
                assertEquals("Test", c.getString(c.getColumnIndex(Settings.System.VALUE)));
                assertFalse(c.moveToNext());
            } finally {
                c.close();
            }

            v = new ContentValues();
            v.put(Settings.System.VALUE, "Toast");
            assertEquals(1, r.update(uri, v, null, null));

            c = r.query(uri, null, null, null, null);
            try {
                assertTrue(c.moveToNext());
                assertEquals("test_key", c.getString(c.getColumnIndex(Settings.System.NAME)));
                assertEquals("Toast", c.getString(c.getColumnIndex(Settings.System.VALUE)));
                assertFalse(c.moveToNext());
            } finally {
                c.close();
            }

            assertEquals(1, r.delete(uri, null, null));
        }

        assertEquals(null, Settings.System.getString(r, "test_key"));
        assertEquals(null, Settings.Secure.getString(r, "test_key"));
    }

    @MediumTest
    public void testRowNumberContentUri() {
        ContentResolver r = getContext().getContentResolver();

        // The bookmarks table (and everything else) uses standard row number content URIs.
        Uri uri = Settings.Bookmarks.add(r, new Intent("TEST"),
                "Test Title", "Test Folder", '*', 123);

        assertTrue(ContentUris.parseId(uri) > 0);

        assertEquals("TEST", Settings.Bookmarks.getIntentForShortcut(r, '*').getAction());

        ContentValues v = new ContentValues();
        v.put(Settings.Bookmarks.INTENT, "#Intent;action=TOAST;end");
        assertEquals(1, r.update(uri, v, null, null));

        assertEquals("TOAST", Settings.Bookmarks.getIntentForShortcut(r, '*').getAction());

        assertEquals(1, r.delete(uri, null, null));

        assertEquals(null, Settings.Bookmarks.getIntentForShortcut(r, '*'));
    }
}

Other Android examples (source code examples)

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