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      1 /*
      2  * Copyright (C) 2012 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.gallery3d.exif;
     18 
     19 import android.content.Context;
     20 import android.os.Environment;
     21 import android.test.InstrumentationTestRunner;
     22 import android.test.InstrumentationTestSuite;
     23 import android.util.Log;
     24 
     25 import com.android.gallery3d.tests.R;
     26 
     27 import junit.framework.TestCase;
     28 import junit.framework.TestSuite;
     29 
     30 import java.io.File;
     31 import java.lang.reflect.InvocationTargetException;
     32 import java.lang.reflect.Method;
     33 import java.util.ArrayList;
     34 import java.util.List;
     35 
     36 public class ExifTestRunner extends InstrumentationTestRunner {
     37     private static final String TAG = "ExifTestRunner";
     38 
     39     private static final int[] IMG_RESOURCE = {
     40             R.raw.galaxy_nexus
     41     };
     42 
     43     private static final int[] EXIF_DATA_RESOURCE = {
     44             R.xml.galaxy_nexus
     45     };
     46 
     47     private static List<String> mTestImgPath = new ArrayList<String>();
     48     private static List<String> mTestXmlPath = new ArrayList<String>();
     49 
     50     @Override
     51     public TestSuite getAllTests() {
     52         getTestImagePath();
     53         TestSuite suite = new InstrumentationTestSuite(this);
     54         suite.addTestSuite(ExifDataTest.class);
     55         suite.addTestSuite(ExifTagTest.class);
     56         addAllTestsFromExifTestCase(ExifParserTest.class, suite);
     57         addAllTestsFromExifTestCase(ExifReaderTest.class, suite);
     58         addAllTestsFromExifTestCase(ExifOutputStreamTest.class, suite);
     59         addAllTestsFromExifTestCase(ExifModifierTest.class, suite);
     60         addAllTestsFromExifTestCase(ExifInterfaceTest.class, suite);
     61         return suite;
     62     }
     63 
     64     private void getTestImagePath() {
     65         Context context = getContext();
     66         File imgDir = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
     67         File xmlDir = new File(context.getExternalFilesDir(null).getPath(), "Xml");
     68 
     69         if (imgDir != null && xmlDir != null) {
     70             String[] imgs = imgDir.list();
     71             if (imgs == null) {
     72                 return;
     73             }
     74             for (String imgName : imgs) {
     75                 String xmlName = imgName.substring(0, imgName.lastIndexOf('.')) + ".xml";
     76                 File xmlFile = new File(xmlDir, xmlName);
     77                 if (xmlFile.exists()) {
     78                     mTestImgPath.add(new File(imgDir, imgName).getAbsolutePath());
     79                     mTestXmlPath.add(xmlFile.getAbsolutePath());
     80                 }
     81             }
     82         }
     83     }
     84 
     85     private void addAllTestsFromExifTestCase(Class<? extends ExifXmlDataTestCase> testClass,
     86             TestSuite suite) {
     87         for (Method method : testClass.getDeclaredMethods()) {
     88             if (method.getName().startsWith("test") && method.getParameterTypes().length == 0) {
     89                 for (int i = 0; i < IMG_RESOURCE.length; i++) {
     90                     TestCase test;
     91                     try {
     92                         test = testClass.getDeclaredConstructor(int.class, int.class).
     93                                 newInstance(IMG_RESOURCE[i], EXIF_DATA_RESOURCE[i]);
     94                         test.setName(method.getName());
     95                         suite.addTest(test);
     96                     } catch (IllegalArgumentException e) {
     97                         Log.e(TAG, "Failed to create test case", e);
     98                     } catch (InstantiationException e) {
     99                         Log.e(TAG, "Failed to create test case", e);
    100                     } catch (IllegalAccessException e) {
    101                         Log.e(TAG, "Failed to create test case", e);
    102                     } catch (InvocationTargetException e) {
    103                         Log.e(TAG, "Failed to create test case", e);
    104                     } catch (NoSuchMethodException e) {
    105                         Log.e(TAG, "Failed to create test case", e);
    106                     }
    107                 }
    108                 for (int i = 0, n = mTestImgPath.size(); i < n; i++) {
    109                     TestCase test;
    110                     try {
    111                         test = testClass.getDeclaredConstructor(String.class, String.class).
    112                                 newInstance(mTestImgPath.get(i), mTestXmlPath.get(i));
    113                         test.setName(method.getName());
    114                         suite.addTest(test);
    115                     } catch (IllegalArgumentException e) {
    116                         Log.e(TAG, "Failed to create test case", e);
    117                     } catch (InstantiationException e) {
    118                         Log.e(TAG, "Failed to create test case", e);
    119                     } catch (IllegalAccessException e) {
    120                         Log.e(TAG, "Failed to create test case", e);
    121                     } catch (InvocationTargetException e) {
    122                         Log.e(TAG, "Failed to create test case", e);
    123                     } catch (NoSuchMethodException e) {
    124                         Log.e(TAG, "Failed to create test case", e);
    125                     }
    126                 }
    127             }
    128         }
    129     }
    130 
    131     @Override
    132     public ClassLoader getLoader() {
    133         return ExifTestRunner.class.getClassLoader();
    134     }
    135 }
    136