Altered human to support future dates

We should move tests into its own file

ago.py

@@ -28,26 +28,31 @@ def human( d1, precision = 2 ):
     from datetime import datetime
     d2 = datetime.now()
     delta = d2 - d1
+    if d2 < d1: delta = d1 - d2
     return delta2human( delta, precision ) 
   
 
 def test():
     """Test and example usage"""
     from datetime import datetime
-    d1 = datetime( 
-      year = 2009, 
-      month=5,
-      day=4,
-      hour=6,
-      minute=54,
-      second=33,
-      microsecond=4000
-     )
-    d2 = datetime.now()
-    delta = d2 - d1
-    print 'This is just the ago.py test:'
-    print delta2dict( delta )
-    print 'Commented ' + delta2human( delta, 3 ) + ' ago'
-    print 'Commented ' + human( d1 ) + ' ago'
+    from datetime import timedelta
+
+    present = datetime.now()
+    past = present - timedelta( 492, 58711, 45 ) # days, secs, ms
+    future = present + timedelta( 2, 12447, 963 ) # days, secs, ms
+
+    pdelta = present - past
+    fdelta = future - present
+
+    print '\nTesting past:\n'
+    print delta2dict( pdelta )
+    print 'Commented ' + delta2human( pdelta, 3 ) + ' ago'
+    print 'Commented ' + human( past ) + ' ago'
+
+    print '\nTesting future:\n'
+    print delta2dict( fdelta )
+    print 'Shutdown in ' + delta2human( fdelta, 3 )
+    print 'Shutdown in ' + human( future )
+    print ''
 
 if __name__ == "__main__": test()