Add DateTimeUtil tests

astrid/src/test/java/com/todoroo/astrid/data/TaskTest.java

@@ -1,10 +1,8 @@
 package com.todoroo.astrid.data;
 
 import org.joda.time.DateTime;
-import org.joda.time.DateTimeZone;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
@@ -32,11 +30,6 @@ public class TaskTest {
     private static final DateTime now = new DateTime(2013, 12, 31, 16, 10, 53, 452);
     private static final DateTime specificDueDate = new DateTime(2014, 3, 17, 9, 54, 27, 959);
 
-    @BeforeClass
-    public static void beforeClass() {
-        DateTimeZone.setDefault(DateTimeZone.forID("America/Chicago"));
-    }
-
     @Before
     public void before() {
         freezeAt(now);

astrid/src/test/java/com/todoroo/astrid/repeats/RepeatAfterCompleteTest.java

@@ -20,7 +20,6 @@ import org.robolectric.RobolectricTestRunner;
 
 import java.text.ParseException;
 import java.util.ArrayList;
-import java.util.TimeZone;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -103,7 +102,6 @@ public class RepeatAfterCompleteTest extends TodorooRobolectricTestCase {
 
     @Test
     public void testTimeZoneLate() throws ParseException {
-        TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
         task.setValue(Task.DUE_DATE, DateUtilities.now() + DateUtilities.ONE_WEEK);
         nextDueDate = RepeatTaskCompleteListener.computeNextDueDate(task, rrule.toIcal(), true);
 

astrid/src/test/java/org/tasks/date/DateTimeUtilsTest.java

@@ -0,0 +1,54 @@
+package org.tasks.date;
+
+import org.joda.time.DateTime;
+import org.joda.time.DateTimeZone;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.tasks.Snippet;
+
+import java.util.Date;
+
+import static org.junit.Assert.assertEquals;
+import static org.tasks.Freeze.freezeAt;
+import static org.tasks.date.DateTimeUtils.currentTimeMillis;
+import static org.tasks.date.DateTimeUtils.newDate;
+import static org.tasks.date.DateTimeUtils.newDateUtc;
+
+@RunWith(RobolectricTestRunner.class)
+public class DateTimeUtilsTest {
+
+    private final DateTime now = new DateTime(2014, 1, 1, 15, 17, 53, 0);
+    private final Date nowAsDate = new Date(114, 0, 1, 15, 17, 53);
+
+    @Test
+    public void getCurrentTime() {
+        freezeAt(now).thawAfter(new Snippet() {{
+            assertEquals(now.getMillis(), currentTimeMillis());
+        }});
+    }
+
+    @Test
+    public void getNowAsDate() {
+        freezeAt(now).thawAfter(new Snippet() {{
+            assertEquals(nowAsDate, newDate());
+        }});
+    }
+
+    @Test
+    public void createNewDate() {
+        assertEquals(new Date(114, 0, 1), newDate(2014, 1, 1));
+    }
+
+    @Test
+    public void createNewDateTime() {
+        assertEquals(new Date(114, 0, 1, 15, 17, 53), newDate(2014, 1, 1, 15, 17, 53));
+    }
+
+    @Test
+    public void createNewUtcDate() {
+        DateTime utc = now.toDateTime(DateTimeZone.UTC);
+        Date actual = newDateUtc(utc.getYear(), utc.getMonthOfYear(), utc.getDayOfMonth(), utc.getHourOfDay(), utc.getMinuteOfHour(), utc.getSecondOfMinute());
+        assertEquals(utc.getMillis(), actual.getTime());
+    }
+}