Julian Mancini | b650515 | 2017-06-27 13:29:09 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 android.util; |
| 18 | |
| 19 | import android.media.ExifInterface; |
| 20 | import android.os.Bundle; |
| 21 | import android.provider.DocumentsContract; |
| 22 | import android.provider.MetadataReader; |
| 23 | |
| 24 | import libcore.io.IoUtils; |
| 25 | |
| 26 | import junit.framework.TestCase; |
| 27 | |
| 28 | import org.junit.After; |
| 29 | import org.junit.Before; |
| 30 | import org.junit.Test; |
| 31 | |
| 32 | import java.io.FileInputStream; |
| 33 | import java.io.FileNotFoundException; |
| 34 | import java.io.IOException; |
| 35 | import java.io.InputStream; |
| 36 | |
| 37 | public class MetadataReaderTest extends TestCase { |
| 38 | |
| 39 | private InputStream mInputStream; |
| 40 | private Bundle mData; |
| 41 | |
| 42 | @Before |
| 43 | protected void setUp() throws Exception { |
| 44 | mInputStream = getClass().getClassLoader().getResourceAsStream("res/drawable/image.jpg"); |
| 45 | mData = new Bundle(); |
| 46 | } |
| 47 | |
| 48 | @After |
| 49 | protected void tearDown() throws Exception { |
| 50 | IoUtils.closeQuietly(mInputStream); |
| 51 | } |
| 52 | |
| 53 | @Test |
| 54 | public void testGetMetadata() throws IOException { |
| 55 | MetadataReader.getMetadata(mData, mInputStream, "image/jpg", null); |
| 56 | Bundle exif = mData.getBundle(DocumentsContract.METADATA_EXIF); |
| 57 | assertEquals("3036", String.valueOf(exif.getInt(ExifInterface.TAG_IMAGE_WIDTH))); |
| 58 | assertEquals("4048", String.valueOf(exif.getInt(ExifInterface.TAG_IMAGE_LENGTH))); |
| 59 | assertEquals("2017:07:17 19:19:28", exif.getString(ExifInterface.TAG_DATETIME)); |
| 60 | assertEquals(0.0, exif.getDouble(ExifInterface.TAG_GPS_LATITUDE)); |
| 61 | assertEquals(0.0, exif.getDouble(ExifInterface.TAG_GPS_LONGITUDE)); |
| 62 | assertEquals("Google", exif.getString(ExifInterface.TAG_MAKE)); |
| 63 | assertEquals("Pixel", exif.getString(ExifInterface.TAG_MODEL)); |
| 64 | assertEquals(mData.getStringArray(DocumentsContract.METADATA_TYPES)[0], |
| 65 | DocumentsContract.METADATA_EXIF); |
| 66 | } |
| 67 | |
| 68 | @Test |
| 69 | public void testGetMetadata_JpegOneTag() throws IOException { |
| 70 | String[] tags = {ExifInterface.TAG_MAKE}; |
| 71 | MetadataReader.getMetadata(mData, mInputStream, "image/jpg", tags); |
| 72 | assertEquals("Google", |
| 73 | mData.getBundle(DocumentsContract.METADATA_EXIF).getString(tags[0])); |
| 74 | } |
| 75 | |
| 76 | @Test |
| 77 | public void testGetMetadata_JpegNoResults() throws IOException { |
| 78 | String[] tags = {ExifInterface.TAG_SPECTRAL_SENSITIVITY}; |
| 79 | assertEquals(0, mData.size()); |
| 80 | MetadataReader.getMetadata(mData, mInputStream, "image/jpg", tags); |
| 81 | assertEquals(1, mData.size()); |
| 82 | assertEquals(mData.getStringArray(DocumentsContract.METADATA_TYPES).length, 0); |
| 83 | } |
| 84 | |
| 85 | @Test |
| 86 | public void testGetMetadata_BadFile() { |
| 87 | try { |
| 88 | InputStream stream = new FileInputStream("badString"); |
| 89 | MetadataReader.getMetadata(mData, stream, "image/jpg", null); |
| 90 | } catch (IOException e) { |
| 91 | assertEquals(FileNotFoundException.class, e.getClass()); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | @Test |
| 96 | public void testGetMetadata_UnsupportedMimeType() throws IOException { |
| 97 | MetadataReader.getMetadata(mData, mInputStream, "no/metadata", null); |
| 98 | assertEquals(1, mData.size()); |
| 99 | } |
| 100 | |
| 101 | @Test |
| 102 | public void testGetMetadata_NoTags() throws IOException { |
| 103 | MetadataReader.getMetadata(mData, mInputStream, "image/jpg", new String[0]); |
| 104 | assertEquals(1, mData.size()); |
| 105 | } |
| 106 | |
| 107 | @Test |
| 108 | public void testGetMetadata_Png() throws IOException { |
| 109 | InputStream pngStream = getClass().getClassLoader().getResourceAsStream("res/drawable/png.png"); |
| 110 | MetadataReader.getMetadata(mData, pngStream, "image/png", null); |
| 111 | assertEquals(1, mData.size()); |
| 112 | |
| 113 | } |
| 114 | |
| 115 | } |