add currency spec file and update some class names

app/assets/javascripts/darkswarm/filters/localise_currency.js.coffee

@@ -1,17 +0,0 @@
-# Convert number to string currency using injected currency localisation settings.
-#
-# Injected: currencyLocalisation - see /app/serializers/api/currency_localization_serializer.rb
-
-Darkswarm.filter "localiseCurrency", (currencyLocalization)->
-  (amount) ->
-    decimals = if currencyLocalization.hide_cents then 0 else 2
-    amount_fixed = amount.toFixed(decimals)
-    currency_str = ""
-    currency_str = " " + currencyLocalization.currency if currencyLocalization.display_currency
-
-    # Return string
-    if currencyLocalization.symbol_position == 'before'
-      currencyLocalization.symbol + amount_fixed + currency_str
-    else
-      amount_fixed + " " + currencyLocalization.symbol + currency_str
-

app/assets/javascripts/darkswarm/filters/localize_currency.js.coffee

@@ -0,0 +1,17 @@
+# Convert number to string currency using injected currency localisation settings.
+#
+# @requires currencyConfig json - /app/serializers/api/currency_localization_serializer.rb
+# @return string
+Darkswarm.filter "localizeCurrency", (currencyConfig)->
+  (amount) ->
+    decimals = if currencyConfig.hide_cents then 0 else 2
+    amount_fixed = amount.toFixed(2)
+    currency_str = ""
+    currency_str = " " + currencyConfig.currency if currencyConfig.display_currency
+
+    # Return: string. Varies with symbol position.
+    if currencyConfig.symbol_position == 'before'
+      currencyConfig.symbol + amount_fixed + currency_str
+    else
+      amount_fixed + " " + currencyConfig.symbol + currency_str
+

app/assets/javascripts/templates/price_breakdown.html.haml

@@ -10,26 +10,26 @@
     .expanded{"ng-show" => "expanded"}
       %ul
         %li.cost
-          .right {{ variant.price | localiseCurrency }}
+          .right {{ variant.price | localizeCurrency }}
           Item cost
         %li{"bo-if" => "variant.fees.admin"}
-          .right {{ variant.fees.admin | localiseCurrency }}
+          .right {{ variant.fees.admin | localizeCurrency }}
           Admin fee
         %li{"bo-if" => "variant.fees.sales"}
-          .right {{ variant.fees.sales | localiseCurrency }}
+          .right {{ variant.fees.sales | localizeCurrency }}
           Sales fee
         %li{"bo-if" => "variant.fees.packing"}
-          .right {{ variant.fees.packing | localiseCurrency }}
+          .right {{ variant.fees.packing | localizeCurrency }}
           Packing fee
         %li{"bo-if" => "variant.fees.transport"}
-          .right {{ variant.fees.transport | localiseCurrency }}
+          .right {{ variant.fees.transport | localizeCurrency }}
           Transport fee
         %li{"bo-if" => "variant.fees.fundraising"}
-          .right {{ variant.fees.fundraising | localiseCurrency }}
+          .right {{ variant.fees.fundraising | localizeCurrency }}
           Fundraising fee
         %li
           %strong
-            .right = {{ variant.price | localiseCurrency }}
+            .right = {{ variant.price | localizeCurrency }}
              
 
       %a{"ng-click" => "expanded = !expanded"} 

app/assets/javascripts/templates/shop_variant.html.haml

@@ -48,7 +48,7 @@
   .small-4.medium-2.large-2.columns.variant-price
     .table-cell.price
       %i.ofn-i_009-close 
-      {{ variant.price | localiseCurrency }}
+      {{ variant.price | localizeCurrency }}
 
       -# Now in a template in app/assets/javascripts/templates !
       %price-breakdown{"price-breakdown" => "_", variant: "variant", 
@@ -59,4 +59,4 @@
   .small-12.medium-2.large-2.columns.total-price.text-right
     .table-cell
       %strong
-        {{ variant.getPrice() | localiseCurrency }} 
+        {{ variant.getPrice() | localizeCurrency }} 

app/serializers/api/currency_config_serializer.rb

@@ -1,4 +1,4 @@
-class Api::CurrencyLocalizationSerializer < ActiveModel::Serializer
+class Api::CurrencyConfigSerializer < ActiveModel::Serializer
   attributes :currency, :display_currency, :symbol, :symbol_position, :hide_cents, :decimal_mark, :thousands_separator
 
   def currency

app/views/shared/menu/_cart.html.haml

@@ -22,20 +22,20 @@
               %small
                 {{line_item.quantity}}
                 %i.ofn-i_009-close
-                {{ line_item.variant.price_with_fees | localiseCurrency }}    
+                {{ line_item.variant.price_with_fees | localizeCurrency }}    
         
             .columns.small-2
               %small
                 \=
                 %strong 
-                  .right {{ line_item.variant.getPrice() | localiseCurrency }}
+                  .right {{ line_item.variant.getPrice() | localizeCurrency }}
 
         %li.total-cart{"ng-show" => "Cart.line_items_present().length > 0"}
           .row
             .columns.small-6
               %em Total: 
             .columns.small-6.text-right
-              %strong {{ Cart.total()  | localiseCurrency }}        
+              %strong {{ Cart.total()  | localizeCurrency }}        
 
       .text-right
         %a.button.primary.small{href: checkout_path, "ng-disabled" => "Cart.dirty"} Quick checkout

spec/javascripts/unit/darkswarm/filters/localize_currency_spec.js.coffee

@@ -0,0 +1,41 @@
+describe 'convert number to localised currency ', ->
+  filter = null
+
+  currencyconfig =
+    currency: "D"
+    symbol: "$"
+    symbol_position: "before"
+    hide_cents: "false"
+    decimal_mark: "."
+    thousands_separator: ","
+
+  beforeEach ->
+    module 'Darkswarm'
+    module ($provide)->
+      $provide.value "currencyConfig", currencyconfig
+      null
+    inject ($filter) ->
+      filter = $filter('localizeCurrency')
+
+  it "adds decimal fraction to an amount", ->
+    expect(filter(10)).toEqual "$10.00"
+
+  it "handles an existing fraction", ->
+    expect(filter(9.9)).toEqual "$9.90"
+
+  it "can use any currency symbol", ->
+    currencyconfig.symbol = "£"
+    expect(filter(404.04)).toEqual "£404.04"
+    currencyconfig.symbol = "$"
+
+  it "can place symbols after the amount", ->
+    currencyconfig.symbol_position = "after"
+    expect(filter(333.3)).toEqual "333.30 $"
+    currencyconfig.symbol_position = "before"
+
+  it "can add a currency string", ->
+    currencyconfig.display_currency = "true"
+    expect(filter(5)).toEqual "$5.00 D"
+    currencyconfig.display_currency = "false"
+
+

spec/javascripts/unit/darkswarm/services/variants_spec.js.coffee

@@ -5,8 +5,8 @@ describe 'Variants service', ->
   beforeEach ->
     variant =
       id: 1
-      base_price: 80.5
-      price: 100
+      price: 80.5
+      price_with_fees: 100
     module 'Darkswarm'
     inject ($injector)->
       Variants =  $injector.get("Variants")