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      1 /*
      2  * Copyright 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package androidx.slice.compat;
     18 
     19 import static androidx.core.content.PermissionChecker.PERMISSION_DENIED;
     20 import static androidx.core.content.PermissionChecker.PERMISSION_GRANTED;
     21 
     22 import static org.junit.Assert.assertEquals;
     23 import static org.mockito.ArgumentMatchers.eq;
     24 import static org.mockito.Mockito.spy;
     25 import static org.mockito.Mockito.verify;
     26 import static org.mockito.Mockito.when;
     27 
     28 import android.content.ContentResolver;
     29 import android.content.Context;
     30 import android.content.ContextWrapper;
     31 import android.content.pm.PackageManager;
     32 import android.net.Uri;
     33 import android.os.Process;
     34 import android.support.test.InstrumentationRegistry;
     35 import android.support.test.filters.SmallTest;
     36 import android.support.test.runner.AndroidJUnit4;
     37 
     38 import org.junit.Test;
     39 import org.junit.runner.RunWith;
     40 
     41 @RunWith(AndroidJUnit4.class)
     42 @SmallTest
     43 public class CompatPermissionManagerTest {
     44 
     45     private final Context mContext = InstrumentationRegistry.getContext();
     46 
     47     @Test
     48     public void testAutoGrant() {
     49         final Uri uri = new Uri.Builder()
     50                 .scheme(ContentResolver.SCHEME_CONTENT)
     51                 .authority("my.authority")
     52                 .path("my_path")
     53                 .build();
     54         final String testPermission = "android.permission.SOME_PERMISSION";
     55 
     56         final int grantedPid = Process.myPid();
     57         final int grantedUid = Process.myUid();
     58 
     59         final int nonGrantedPid = grantedPid + 1;
     60         final int nonGrantedUid = grantedUid + 1;
     61 
     62         Context permContext = new ContextWrapper(mContext) {
     63             @Override
     64             public int checkPermission(String permission, int pid, int uid) {
     65                 if (testPermission.equals(permission)) {
     66                     if (grantedUid == uid) {
     67                         return PackageManager.PERMISSION_GRANTED;
     68                     } else if (nonGrantedUid == uid) {
     69                         return PackageManager.PERMISSION_DENIED;
     70                     }
     71                 }
     72                 return super.checkPermission(permission, pid, uid);
     73             }
     74 
     75             @Override
     76             public PackageManager getPackageManager() {
     77                 PackageManager pm = spy(super.getPackageManager());
     78                 when(pm.getPackagesForUid(grantedUid)).thenReturn(new String[] { "grant_pkg"});
     79                 when(pm.getPackagesForUid(nonGrantedUid)).thenReturn(new String[] { "other_pkg"});
     80                 return pm;
     81             }
     82         };
     83         CompatPermissionManager manager = spy(new CompatPermissionManager(permContext, "nothing", 0,
     84                 new String[] {testPermission}));
     85 
     86         assertEquals(PERMISSION_DENIED, manager.checkSlicePermission(uri,
     87                 nonGrantedPid, nonGrantedUid));
     88 
     89         assertEquals(PERMISSION_GRANTED, manager.checkSlicePermission(uri, grantedPid, grantedUid));
     90         verify(manager).grantSlicePermission(eq(uri), eq("grant_pkg"));
     91 
     92     }
     93 
     94 }
     95