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      1 /*
      2  * Copyright (C) 2016 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 com.android.server.storage;
     18 
     19 import android.test.AndroidTestCase;
     20 import com.android.server.storage.FileCollector.MeasurementResult;
     21 import org.junit.Before;
     22 import org.junit.Rule;
     23 import org.junit.Test;
     24 import org.junit.rules.TemporaryFolder;
     25 import org.junit.runner.RunWith;
     26 import org.junit.runners.JUnit4;
     27 
     28 import java.io.File;
     29 import java.io.PrintStream;
     30 
     31 import static com.google.common.truth.Truth.assertThat;
     32 
     33 @RunWith(JUnit4.class)
     34 public class FileCollectorTest extends AndroidTestCase {
     35     @Rule
     36     public TemporaryFolder temporaryFolder;
     37 
     38     @Before
     39     public void setUp() throws Exception {
     40         temporaryFolder = new TemporaryFolder();
     41         temporaryFolder.create();
     42     }
     43 
     44     @Test
     45     public void testEmpty() throws Exception {
     46         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
     47         assertThat(result.totalAccountedSize()).isEqualTo(0L);
     48     }
     49 
     50     @Test
     51     public void testImageFile() throws Exception {
     52         writeDataToFile(temporaryFolder.newFile("test.jpg"), "1234");
     53 
     54         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
     55 
     56         assertThat(result.imagesSize).isEqualTo(4);
     57     }
     58 
     59     @Test
     60     public void testVideoFile() throws Exception {
     61         writeDataToFile(temporaryFolder.newFile("test.mp4"), "1234");
     62 
     63         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
     64 
     65         assertThat(result.videosSize).isEqualTo(4);
     66     }
     67 
     68     @Test
     69     public void testAudioFile() throws Exception {
     70         writeDataToFile(temporaryFolder.newFile("test.mp3"), "1234");
     71 
     72         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
     73 
     74         assertThat(result.audioSize).isEqualTo(4);
     75     }
     76 
     77     @Test
     78     public void testMiscFile() throws Exception {
     79         writeDataToFile(temporaryFolder.newFile("test"), "1234");
     80 
     81         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
     82 
     83         assertThat(result.miscSize).isEqualTo(4);
     84     }
     85 
     86     @Test
     87     public void testNestedFile() throws Exception {
     88         File directory = temporaryFolder.newFolder();
     89         writeDataToFile(new File(directory, "test"), "1234");
     90 
     91         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
     92 
     93         assertThat(result.miscSize).isEqualTo(4);
     94     }
     95 
     96     @Test
     97     public void testMultipleFiles() throws Exception {
     98         writeDataToFile(temporaryFolder.newFile("test"), "1234");
     99         writeDataToFile(temporaryFolder.newFile("test2"), "12345");
    100 
    101         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
    102 
    103         assertThat(result.miscSize).isEqualTo(9);
    104     }
    105 
    106     @Test
    107     public void testTotalSize() throws Exception {
    108         writeDataToFile(temporaryFolder.newFile("test.jpg"), "1");
    109         writeDataToFile(temporaryFolder.newFile("test.mp3"), "1");
    110         writeDataToFile(temporaryFolder.newFile("test.mp4"), "1");
    111         writeDataToFile(temporaryFolder.newFile("test"), "1");
    112 
    113         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
    114 
    115         assertThat(result.totalAccountedSize()).isEqualTo(4);
    116     }
    117 
    118     @Test
    119     public void testFileEndsWithPeriod() throws Exception {
    120         writeDataToFile(temporaryFolder.newFile("test."), "1");
    121 
    122         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
    123 
    124         assertThat(result.miscSize).isEqualTo(1);
    125         assertThat(result.totalAccountedSize()).isEqualTo(1);
    126     }
    127 
    128     public void testIgnoreFileExtensionCase() throws Exception {
    129         writeDataToFile(temporaryFolder.newFile("test.JpG"), "1234");
    130 
    131         MeasurementResult result = FileCollector.getMeasurementResult(temporaryFolder.getRoot());
    132 
    133         assertThat(result.imagesSize).isEqualTo(4);
    134     }
    135 
    136     private void writeDataToFile(File f, String data) throws Exception{
    137         PrintStream out = new PrintStream(f);
    138         out.print(data);
    139         out.close();
    140     }
    141 }
    142