Add spec for Money::Currency::Loader

spec/currency/loader_spec.rb

@@ -0,0 +1,20 @@
+# encoding: utf-8
+require 'spec_helper'
+
+describe Money::Currency::Loader do
+  class CurrencyLoader
+    include Money::Currency::Loader
+  end
+
+  let(:loader) { CurrencyLoader.new }
+
+  it "returns a currency table hash" do
+    expect(loader.load_currencies).to be_a Hash
+  end
+
+  it "parse currency_iso.json & currency_non_iso.json & currency_backwards_compatible.json" do
+    expect(loader).to receive(:parse_currency_file).exactly(3).times.and_return({})
+
+    loader.load_currencies
+  end
+end