diff options
| -rw-r--r-- | actionpack/lib/action_view/helpers/number_helper.rb | 9 | ||||
| -rw-r--r-- | actionpack/test/template/number_helper_test.rb | 11 |
2 files changed, 17 insertions, 3 deletions
diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb index b545031fcc..63d13a0f0b 100644 --- a/actionpack/lib/action_view/helpers/number_helper.rb +++ b/actionpack/lib/action_view/helpers/number_helper.rb @@ -304,6 +304,7 @@ module ActionView # * <tt>:separator</tt> - Sets the separator between the fractional and integer digits (defaults to "."). # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ""). # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes insignificant zeros after the decimal separator (defaults to +true+) + # * <tt>:prefix</tt> - If +:si+ formats the number using the SI prefix (defaults to :binary) # ==== Examples # number_to_human_size(123) # => 123 Bytes # number_to_human_size(1234) # => 1.21 KB @@ -341,15 +342,17 @@ module ActionView options[:strip_insignificant_zeros] = true if not options.key?(:strip_insignificant_zeros) storage_units_format = I18n.translate(:'number.human.storage_units.format', :locale => options[:locale], :raise => true) + + base = options[:prefix] == :si ? 1000 : 1024 - if number.to_i < 1024 + if number.to_i < base unit = I18n.translate(:'number.human.storage_units.units.byte', :locale => options[:locale], :count => number.to_i, :raise => true) storage_units_format.gsub(/%n/, number.to_i.to_s).gsub(/%u/, unit).html_safe else max_exp = STORAGE_UNITS.size - 1 - exponent = (Math.log(number) / Math.log(1024)).to_i # Convert to base 1024 + exponent = (Math.log(number) / Math.log(base)).to_i # Convert to base exponent = max_exp if exponent > max_exp # we need this to avoid overflow for the highest unit - number /= 1024 ** exponent + number /= base ** exponent unit_key = STORAGE_UNITS[exponent] unit = I18n.translate(:"number.human.storage_units.units.#{unit_key}", :locale => options[:locale], :count => number, :raise => true) diff --git a/actionpack/test/template/number_helper_test.rb b/actionpack/test/template/number_helper_test.rb index 23a7e17e65..63b92aadf4 100644 --- a/actionpack/test/template/number_helper_test.rb +++ b/actionpack/test/template/number_helper_test.rb @@ -172,6 +172,17 @@ class NumberHelperTest < ActionView::TestCase assert_equal '10 Bytes', number_to_human_size(10) end + def test_number_to_human_size_with_si_prefix + assert_equal '3 Bytes', number_to_human_size(3.14159265, :prefix => :si) + assert_equal '123 Bytes', number_to_human_size(123.0, :prefix => :si) + assert_equal '123 Bytes', number_to_human_size(123, :prefix => :si) + assert_equal '1.23 KB', number_to_human_size(1234, :prefix => :si) + assert_equal '12.3 KB', number_to_human_size(12345, :prefix => :si) + assert_equal '1.23 MB', number_to_human_size(1234567, :prefix => :si) + assert_equal '1.23 GB', number_to_human_size(1234567890, :prefix => :si) + assert_equal '1.23 TB', number_to_human_size(1234567890123, :prefix => :si) + end + def test_number_to_human_size_with_options_hash assert_equal '1.2 MB', number_to_human_size(1234567, :precision => 2) assert_equal '3 Bytes', number_to_human_size(3.14159265, :precision => 4) |