Fixed #687 -- Fixed bug in floatformat template filter and added unit…

… tests. Thanks, Sune

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1007 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/template/defaultfilters.py

@@ -24,15 +24,15 @@ def fix_ampersands(value, _):
 
 def floatformat(text, _):
     """
-    Displays a floating point number as 34.2 (with one decimal place) - but
+    Displays a floating point number as 34.2 (with one decimal place) -- but
     only if there's a point to be displayed
     """
-    from math import modf
-    if not text:
-        return ''
-    if modf(float(text))[0] < 0.1:
-        return text
-    return "%.1f" % float(text)
+    f = float(text)
+    m = f - int(f)
+    if m:
+        return '%.1f' % f
+    else:
+        return '%d' % int(f)
 
 def linenumbers(value, _):
     "Displays text with line numbers"

tests/othertests/defaultfilters.py

@@ -0,0 +1,20 @@
+"""
+>>> floatformat(7.7, None)
+'7.7'
+>>> floatformat(7.0, None)
+'7'
+>>> floatformat(0.7, None)
+'0.7'
+>>> floatformat(0.07, None)
+'0.1'
+>>> floatformat(0.007, None)
+'0.0'
+>>> floatformat(0.0, None)
+'0'
+"""
+
+from django.core.template.defaultfilters import *
+
+if __name__ == '__main__':
+    import doctest
+    doctest.testmod()