Fixed filesizeformat

CHANGES

@@ -8,6 +8,7 @@ Version 2.7
 - Choice and prefix loaders now dispatch source and template lookup
   separately in order to work in combination with module loaders as
   advertised.
+- Fixed filesizeformat.
 
 Version 2.6
 -----------

jinja2/filters.py

@@ -15,7 +15,7 @@
 from itertools import imap, groupby
 from jinja2.utils import Markup, escape, pformat, urlize, soft_unicode
 from jinja2.runtime import Undefined
-from jinja2.exceptions import FilterArgumentError, SecurityError
+from jinja2.exceptions import FilterArgumentError
 
 
 _word_re = re.compile(r'\w+(?u)')
@@ -346,25 +346,25 @@ def do_filesizeformat(value, binary=False):
     bytes = float(value)
     base = binary and 1024 or 1000
     prefixes = [
-        (binary and "KiB" or "kB"),
-        (binary and "MiB" or "MB"),
-        (binary and "GiB" or "GB"),
-        (binary and "TiB" or "TB"),
-        (binary and "PiB" or "PB"),
-        (binary and "EiB" or "EB"),
-        (binary and "ZiB" or "ZB"),
-        (binary and "YiB" or "YB")
+        (binary and 'KiB' or 'kB'),
+        (binary and 'MiB' or 'MB'),
+        (binary and 'GiB' or 'GB'),
+        (binary and 'TiB' or 'TB'),
+        (binary and 'PiB' or 'PB'),
+        (binary and 'EiB' or 'EB'),
+        (binary and 'ZiB' or 'ZB'),
+        (binary and 'YiB' or 'YB')
     ]
     if bytes == 1:
-        return "1 Byte"
+        return '1 Byte'
     elif bytes < base:
-        return "%d Bytes" % bytes
+        return '%d Bytes' % bytes
     else:
         for i, prefix in enumerate(prefixes):
-            unit = base * base ** (i + 1)
-            if bytes < unit:
-                return "%.1f %s" % ((bytes / unit), prefix)
-        return "%.1f %s" % ((bytes / unit), prefix)
+            unit = base ** (i + 1)
+            if bytes <= unit:
+                return '%.1f %s' % ((bytes / unit), prefix)
+        return '%.1f %s' % ((bytes / unit), prefix)
 
 
 def do_pprint(value, verbose=False):

jinja2/testsuite/filters.py

@@ -84,10 +84,10 @@ def test_filesizeformat(self):
             '{{ 1000000000000|filesizeformat(true) }}'
         )
         out = tmpl.render()
-        assert out == (
-            '100 Bytes|0.0 kB|0.0 MB|0.0 GB|0.0 TB|100 Bytes|'
-            '1000 Bytes|1.0 KiB|0.9 MiB|0.9 GiB'
-        )
+        self.assert_equal(out, (
+            '100 Bytes|1.0 kB|1.0 MB|1.0 GB|1.0 TB|100 Bytes|'
+            '1000 Bytes|1.0 MiB|0.9 GiB|0.9 TiB'
+        ))
 
     def test_first(self):
         tmpl = env.from_string('{{ foo|first }}')