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require 'abstract_unit'
class NumberHelperTest < ActionView::TestCase
tests ActionView::Helpers::NumberHelper
def setup
I18n.backend.store_translations 'ts',
:number => {
:format => { :precision => 3, :delimiter => ',', :separator => '.', :significant => false, :strip_insignificant_zeros => false },
:currency => { :format => { :unit => '&$', :format => '%u - %n', :negative_format => '(%u - %n)', :precision => 2 } },
:human => {
:format => {
:precision => 2,
:significant => true,
:strip_insignificant_zeros => true
},
:storage_units => {
:format => "%n %u",
:units => {
:byte => "b",
:kb => "k"
}
},
:decimal_units => {
:format => "%n %u",
:units => {
:deci => {:one => "Tenth", :other => "Tenths"},
:unit => "u",
:ten => {:one => "Ten", :other => "Tens"},
:thousand => "t",
:million => "m" ,
:billion =>"b" ,
:trillion =>"t" ,
:quadrillion =>"q"
}
}
},
:percentage => { :format => {:delimiter => '', :precision => 2, :strip_insignificant_zeros => true} },
:precision => { :format => {:delimiter => '', :significant => true} }
},
:custom_units_for_number_to_human => {:mili => "mm", :centi => "cm", :deci => "dm", :unit => "m", :ten => "dam", :hundred => "hm", :thousand => "km"}
end
def test_number_to_i18n_currency
assert_equal("&$ - 10.00", number_to_currency(10, :locale => 'ts'))
assert_equal("(&$ - 10.00)", number_to_currency(-10, :locale => 'ts'))
assert_equal("-10.00 - &$", number_to_currency(-10, :locale => 'ts', :format => "%n - %u"))
end
def test_number_to_currency_with_clean_i18n_settings
clean_i18n do
assert_equal("$10.00", number_to_currency(10))
assert_equal("-$10.00", number_to_currency(-10))
end
end
def test_number_to_currency_without_currency_negative_format
clean_i18n do
I18n.backend.store_translations 'ts', :number => { :currency => { :format => { :unit => '@', :format => '%n %u' } } }
assert_equal("-10.00 @", number_to_currency(-10, :locale => 'ts'))
end
end
def test_number_with_i18n_precision
#Delimiter was set to ""
assert_equal("10000", number_with_precision(10000, :locale => 'ts'))
#Precision inherited and significant was set
assert_equal("1.00", number_with_precision(1.0, :locale => 'ts'))
end
def test_number_with_i18n_delimiter
#Delimiter "," and separator "."
assert_equal("1,000,000.234", number_with_delimiter(1000000.234, :locale => 'ts'))
end
def test_number_to_i18n_percentage
# to see if strip_insignificant_zeros is true
assert_equal("1%", number_to_percentage(1, :locale => 'ts'))
# precision is 2, significant should be inherited
assert_equal("1.24%", number_to_percentage(1.2434, :locale => 'ts'))
# no delimiter
assert_equal("12434%", number_to_percentage(12434, :locale => 'ts'))
end
def test_number_to_i18n_human_size
#b for bytes and k for kbytes
assert_equal("2 k", number_to_human_size(2048, :locale => 'ts'))
assert_equal("42 b", number_to_human_size(42, :locale => 'ts'))
end
def test_number_to_human_with_default_translation_scope
#Using t for thousand
assert_equal "2 t", number_to_human(2000, :locale => 'ts')
#Significant was set to true with precision 2, using b for billion
assert_equal "1.2 b", number_to_human(1234567890, :locale => 'ts')
#Using pluralization (Ten/Tens and Tenth/Tenths)
assert_equal "1 Tenth", number_to_human(0.1, :locale => 'ts')
assert_equal "1.3 Tenth", number_to_human(0.134, :locale => 'ts')
assert_equal "2 Tenths", number_to_human(0.2, :locale => 'ts')
assert_equal "1 Ten", number_to_human(10, :locale => 'ts')
assert_equal "1.2 Ten", number_to_human(12, :locale => 'ts')
assert_equal "2 Tens", number_to_human(20, :locale => 'ts')
end
def test_number_to_human_with_custom_translation_scope
#Significant was set to true with precision 2, with custom translated units
assert_equal "4.3 cm", number_to_human(0.0432, :locale => 'ts', :units => :custom_units_for_number_to_human)
end
private
def clean_i18n
load_path = I18n.load_path.dup
I18n.load_path.clear
I18n.reload!
yield
ensure
I18n.load_path = load_path
I18n.reload!
end
end
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