core/tests/coretests/src/android/net/NetworkScorerAppManagerTest.java

/*
 * Copyright (C) 2014 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.net;

import android.Manifest.permission;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.test.InstrumentationTestCase;

import com.google.android.collect.Lists;

import org.mockito.ArgumentMatcher;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;

import java.util.Iterator;

public class NetworkScorerAppManagerTest extends InstrumentationTestCase {
    @Mock private Context mMockContext;
    @Mock private PackageManager mMockPm;

    @Override
    public void setUp() throws Exception {
        super.setUp();

        // Configuration needed to make mockito/dexcache work.
        System.setProperty("dexmaker.dexcache",
                getInstrumentation().getTargetContext().getCacheDir().getPath());
        ClassLoader newClassLoader = getInstrumentation().getClass().getClassLoader();
        Thread.currentThread().setContextClassLoader(newClassLoader);

        MockitoAnnotations.initMocks(this);
        Mockito.when(mMockContext.getPackageManager()).thenReturn(mMockPm);
    }

    public void testGetAllValidScorers() throws Exception {
        // Package 1 - Valid scorer.
        ResolveInfo package1 = buildResolveInfo("package1", true, true);

        // Package 2 - Receiver does not have BROADCAST_SCORE_NETWORKS permission.
        ResolveInfo package2 = buildResolveInfo("package2", false, true);

        // Package 3 - App does not have SCORE_NETWORKS permission.
        ResolveInfo package3 = buildResolveInfo("package3", true, false);

        setScorers(package1, package2, package3);

        Iterator<String> result =
                NetworkScorerAppManager.getAllValidScorers(mMockContext).iterator();

        assertTrue(result.hasNext());
        assertEquals("package1", result.next());

        assertFalse(result.hasNext());
    }

    private void setScorers(ResolveInfo... scorers) {
        Mockito.when(mMockPm.queryBroadcastReceivers(
                Mockito.argThat(new ArgumentMatcher<Intent>() {
                    @Override
                    public boolean matches(Object object) {
                        Intent intent = (Intent) object;
                        return NetworkScoreManager.ACTION_SCORE_NETWORKS.equals(intent.getAction());
                    }
                }), Mockito.eq(0)))
                .thenReturn(Lists.newArrayList(scorers));
    }

    private ResolveInfo buildResolveInfo(String packageName,
            boolean hasReceiverPermission, boolean hasScorePermission) throws Exception {
        Mockito.when(mMockPm.checkPermission(permission.SCORE_NETWORKS, packageName))
                .thenReturn(hasScorePermission ?
                        PackageManager.PERMISSION_GRANTED : PackageManager.PERMISSION_DENIED);

        ResolveInfo resolveInfo = new ResolveInfo();
        resolveInfo.activityInfo = new ActivityInfo();
        resolveInfo.activityInfo.packageName = packageName;
        if (hasReceiverPermission) {
            resolveInfo.activityInfo.permission = permission.BROADCAST_SCORE_NETWORKS;
        }
        return resolveInfo;
    }
}