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      1 /*
      2  * Copyright (C) 2014 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.emailcommon.utility;
     18 
     19 import android.test.AndroidTestCase;
     20 import android.test.IsolatedContext;
     21 import android.test.mock.MockContentResolver;
     22 import android.test.suitebuilder.annotation.SmallTest;
     23 import android.text.TextUtils;
     24 
     25 import com.android.emailcommon.utility.Utility.NewFileCreator;
     26 
     27 import java.io.File;
     28 import java.io.IOException;
     29 import java.text.ParseException;
     30 import java.util.Calendar;
     31 import java.util.GregorianCalendar;
     32 import java.util.TimeZone;
     33 
     34 @SmallTest
     35 public class UtilityTest extends AndroidTestCase {
     36     private void testParseDateTimesHelper(String date, int year, int month,
     37             int day, int hour, int minute, int second) throws Exception {
     38         GregorianCalendar cal = Utility.parseDateTimeToCalendar(date);
     39         assertEquals(year, cal.get(Calendar.YEAR));
     40         assertEquals(month, cal.get(Calendar.MONTH) + 1);
     41         assertEquals(day, cal.get(Calendar.DAY_OF_MONTH));
     42         assertEquals(hour, cal.get(Calendar.HOUR_OF_DAY));
     43         assertEquals(minute, cal.get(Calendar.MINUTE));
     44         assertEquals(second, cal.get(Calendar.SECOND));
     45     }
     46 
     47     @SmallTest
     48     public void testParseDateTimes() throws Exception {
     49         testParseDateTimesHelper("20090211T180303Z", 2009, 2, 11, 18, 3, 3);
     50         testParseDateTimesHelper("20090211", 2009, 2, 11, 0, 0, 0);
     51         try {
     52             testParseDateTimesHelper("200902", 0, 0, 0, 0, 0, 0);
     53             fail("Expected ParseException");
     54         } catch (ParseException e) {
     55             // expected
     56         }
     57     }
     58 
     59     private void testParseEmailDateTimeHelper(String date, int year, int month,
     60             int day, int hour, int minute, int second, int millis) throws Exception {
     61         GregorianCalendar cal = new GregorianCalendar(year, month - 1, day,
     62                 hour, minute, second);
     63         cal.setTimeZone(TimeZone.getTimeZone("GMT"));
     64         long timeInMillis = Utility.parseEmailDateTimeToMillis(date);
     65         assertEquals(cal.getTimeInMillis() + millis, timeInMillis);
     66     }
     67 
     68     @SmallTest
     69     public void testParseEmailDateTime() throws Exception {
     70         testParseEmailDateTimeHelper("2010-02-23T16:01:05.000Z",
     71                 2010, 2, 23, 16, 1, 5, 0);
     72         testParseEmailDateTimeHelper("2009-02-11T18:03:31.123Z",
     73                 2009, 2, 11, 18, 3, 31, 123);
     74         testParseEmailDateTimeHelper("2009-02-11",
     75                 2009, 2, 11, 0, 0, 0, 0);
     76         try {
     77             testParseEmailDateTimeHelper("2010-02", 1970, 1, 1, 0, 0, 0, 0);
     78             fail("Expected ParseException");
     79         } catch (ParseException e) {
     80             // expected
     81         }
     82     }
     83 
     84     private static NewFileCreator getCountdownFileCreator() {
     85         return new NewFileCreator() {
     86             private int mCountdown = 5;
     87             @Override
     88             public boolean createNewFile(File f) throws IOException {
     89                 return mCountdown-- <= 0;
     90             }
     91         };
     92     }
     93 
     94     private static NewFileCreator getTrueFileCreator() {
     95         return new NewFileCreator() {
     96             @Override
     97             public boolean createNewFile(File f) throws IOException {
     98                 return true;
     99             }
    100         };
    101     }
    102 
    103     @SmallTest
    104     public void testCreateUniqueFileCompare() throws Exception {
    105         final File directory =
    106                 new IsolatedContext(new MockContentResolver(), getContext()).getFilesDir();
    107 
    108         final File created1 =
    109                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, "file");
    110         assertNotNull(created1);
    111         assertFalse(TextUtils.equals(created1.getName(), "file"));
    112 
    113         final File created2 =
    114                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file");
    115         assertNotNull(created2);
    116         assertTrue(TextUtils.equals(created2.getName(), "file"));
    117 
    118         final File created3 =
    119                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, "file.ext");
    120         assertNotNull(created3);
    121         assertFalse(TextUtils.equals(created3.getName(), "file.ext"));
    122 
    123         final File created4 =
    124                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file.ext");
    125         assertNotNull(created4);
    126         assertTrue(TextUtils.equals(created4.getName(), "file.ext"));
    127     }
    128 
    129     @SmallTest
    130     public void testCreateUniqueFileWithPercent() throws Exception {
    131         final File directory =
    132                 new IsolatedContext(new MockContentResolver(), getContext()).getFilesDir();
    133 
    134         final File created1 =
    135                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file%s");
    136         assertNotNull(created1);
    137 
    138         final File created2 =
    139                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file%s.ext");
    140         assertNotNull(created2);
    141     }
    142 
    143     @SmallTest
    144     public void testCreateUniqueFile() throws Exception {
    145         final File directory =
    146                 new IsolatedContext(new MockContentResolver(), getContext()).getFilesDir();
    147 
    148         final File created1 =
    149                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file");
    150         assertNotNull(created1);
    151 
    152         final File created2 =
    153                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, "file");
    154         assertNotNull(created2);
    155 
    156         final File created3 =
    157                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file.ext");
    158         assertNotNull(created3);
    159 
    160         final File created4 =
    161                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, "file.ext");
    162         assertNotNull(created4);
    163 
    164         final File created5 =
    165                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, ".ext");
    166         assertNotNull(created5);
    167 
    168         final File created6 =
    169                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, ".ext");
    170         assertNotNull(created6);
    171 
    172         final File created7 =
    173                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, ".");
    174         assertNotNull(created7);
    175 
    176         final File created8 =
    177                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, ".");
    178         assertNotNull(created8);
    179     }
    180 
    181     @SmallTest
    182     public void testCreateUniqueFileExtensions() throws Exception {
    183         final File directory =
    184                 new IsolatedContext(new MockContentResolver(), getContext()).getFilesDir();
    185 
    186         final File created1 =
    187                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file");
    188         assertNotNull(created1);
    189         assertEquals(created1.getName().indexOf('.'), -1);
    190 
    191         final File created2 =
    192                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, "file");
    193         assertNotNull(created2);
    194         assertEquals(created2.getName().indexOf('.'), -1);
    195 
    196         final File created3 =
    197                 Utility.createUniqueFileInternal(getTrueFileCreator(), directory, "file.ext");
    198         assertNotNull(created3);
    199         assertEquals(created3.getName().length() - created3.getName().lastIndexOf('.'), 4);
    200 
    201         final File created4 =
    202                 Utility.createUniqueFileInternal(getCountdownFileCreator(), directory, "file.ext");
    203         assertNotNull(created4);
    204         assertEquals(created4.getName().length() - created4.getName().lastIndexOf('.'), 4);
    205     }
    206 }
    207