Adicionado testes para formatação de quantidade

Author: gkuhn1

lib/ruby_danfe/danfe_generator.rb

@@ -232,7 +232,7 @@ def render_produtos
               Cst.to_danfe(det), #N11
               det.css('prod/CFOP').text, #I08
               det.css('prod/uCom').text, #I09
-              RubyDanfe.options.numerify_prod_qcom ? Helper.numerify(det.css('prod/qCom').text, RubyDanfe.options.quantity_decimals) : det.css('prod/qCom').text, #I10
+              Helper.format_quantity(det.css('prod/qCom').text),
               Helper.numerify(det.css('prod/vUnCom').text), #I10a
               Helper.numerify(det.css('prod/vProd').text), #I11
               Helper.numerify(det.css('ICMS/*/vBC').text), #N15

lib/ruby_danfe/helper.rb

@@ -11,6 +11,13 @@ def self.invert(y)
       28.7.cm - y
     end
 
+    def self.format_quantity(qty)
+      return Helper.numerify(qty, RubyDanfe.options.quantity_decimals) if RubyDanfe.options.numerify_prod_qcom
+      qty.gsub!(",", ".")
+      qty[qty.rindex('.')] = ',' if qty.rindex('.')
+      qty
+    end
+
     def self.format_date(string)
       formated_date = ""
 

spec/lib/helper_spec.rb

@@ -7,4 +7,59 @@
       expect(RubyDanfe::Helper.format_date(string)).to eq "18/10/2013 13:54:04"
     end
   end
+
+
+  describe ".format_quantity" do
+    context "with RubyDanfe.options.numerify_prod_qcom false" do
+      before(:each) {
+        RubyDanfe.options.numerify_prod_qcom = false
+      }
+      it "should replace last dot for comma" do
+        expect(RubyDanfe::Helper.format_quantity("100.00")).to eq "100,00"
+      end
+      it "should replace all commas for dot except the last one" do
+        expect(RubyDanfe::Helper.format_quantity("2,100.00")).to eq "2.100,00"
+      end
+      it "should do anything if there is no comma and dot" do
+        expect(RubyDanfe::Helper.format_quantity("100")).to eq "100"
+      end
+      it "should keep decimals" do
+        expect(RubyDanfe::Helper.format_quantity("1.665")).to eq "1,665"
+      end
+    end
+
+    context "with RubyDanfe.options.numerify_prod_qcom true" do
+      context "with quantity_decimals = 4" do
+        before(:each) {
+          RubyDanfe.options.numerify_prod_qcom = true
+          RubyDanfe.options.quantity_decimals = 4
+        }
+        it "should format number to 4 decimal places" do
+          expect(RubyDanfe::Helper.format_quantity("100.00")).to eq "100,0000"
+        end
+        it "should format number with thousand separator" do
+          expect(RubyDanfe::Helper.format_quantity("8956100.00")).to eq "8.956.100,0000"
+        end
+        it "should format number without dot and comma" do
+          expect(RubyDanfe::Helper.format_quantity("200")).to eq "200,0000"
+        end
+      end
+
+      context "with quantity_decimals = 3" do
+        before(:each) {
+          RubyDanfe.options.numerify_prod_qcom = true
+          RubyDanfe.options.quantity_decimals = 3
+        }
+        it "should format number to 4 decimal places" do
+          expect(RubyDanfe::Helper.format_quantity("100.00")).to eq "100,000"
+        end
+        it "should format number with thousand separator" do
+          expect(RubyDanfe::Helper.format_quantity("8956100.00")).to eq "8.956.100,000"
+        end
+        it "should format number without dot and comma" do
+          expect(RubyDanfe::Helper.format_quantity("200")).to eq "200,000"
+        end
+      end
+    end
+  end
 end