tests/tests/content/src/android/content/pm/cts/ProviderInfoTest.java

/*
 * 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.content.pm.cts;


import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.ProviderInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.XmlResourceParser;
import android.os.Parcel;
import android.platform.test.annotations.AppModeFull;
import android.test.AndroidTestCase;

import libcore.io.IoUtils;

import java.util.Iterator;
import java.util.List;

@AppModeFull // TODO(Instant) Figure out which APIs should work.
public class ProviderInfoTest extends AndroidTestCase {
    private static final String PACKAGE_NAME = "android.content.cts";
    private static final String PROVIDER_NAME = "android.content.cts.MockContentProvider";

    public void testProviderInfo() throws NameNotFoundException {
        PackageManager pm = getContext().getPackageManager();
        Parcel p = Parcel.obtain();
        // Test ProviderInfo()
        new ProviderInfo();
        // Test other methods
        ApplicationInfo appInfo = pm.getApplicationInfo(PACKAGE_NAME, 0);
        List<ProviderInfo> providers = pm.queryContentProviders(PACKAGE_NAME, appInfo.uid, 0);
        Iterator<ProviderInfo> providerIterator = providers.iterator();
        ProviderInfo current;
        while (providerIterator.hasNext()) {
            current = providerIterator.next();
            if (current.name.equals(PROVIDER_NAME)) {
                checkProviderInfoMethods(current, p);
                break;
            }
        }
    }

    public void testProviderMetaData() {
        final ProviderInfo info = getContext().getPackageManager()
                .resolveContentProvider("android.content.cts.fileprovider",
                        PackageManager.GET_META_DATA);
        final XmlResourceParser in = info.loadXmlMetaData(
                getContext().getPackageManager(), "android.support.FILE_PROVIDER_PATHS");
        try {
            assertNotNull(in);
        } finally {
            IoUtils.closeQuietly(in);
        }
    }

    private void checkProviderInfoMethods(ProviderInfo providerInfo, Parcel p) {
        // Test toString, describeContents
        assertNotNull(providerInfo.toString());
        assertEquals(0, providerInfo.describeContents());

        // Test ProviderInfo(ProviderInfo orig)
        ProviderInfo infoFromExisted = new ProviderInfo(providerInfo);
        checkInfoSame(providerInfo, infoFromExisted);

        // Test writeToParcel
        providerInfo.writeToParcel(p, 0);
        p.setDataPosition(0);
        ProviderInfo infoFromParcel = ProviderInfo.CREATOR.createFromParcel(p);
        checkInfoSame(providerInfo, infoFromParcel);
        p.recycle();
    }

    private void checkInfoSame(ProviderInfo expected, ProviderInfo actual) {
        assertEquals(expected.name, actual.name);
        assertEquals(expected.authority, actual.authority);
        assertEquals(expected.readPermission, actual.readPermission);
        assertEquals(expected.writePermission, actual.writePermission);
        assertEquals(expected.grantUriPermissions, actual.grantUriPermissions);
        assertEquals(expected.uriPermissionPatterns, actual.uriPermissionPatterns);
        assertEquals(expected.multiprocess, actual.multiprocess);
        assertEquals(expected.initOrder, actual.initOrder);
        assertEquals(expected.isSyncable, actual.isSyncable);
    }
}