BMH-2869 Added test cases for level2/3 methods

lib/active_merchant/billing/gateways/litle.rb

@@ -47,9 +47,11 @@ def add_level_two_data(doc, payment_method, options = {})
             case payment_method.brand
             when 'visa'
               doc.salesTax(level_2_data[:sales_tax]) if level_2_data[:sales_tax]
+              doc.taxExempt(true) if level_2_data[:sales_tax] == 0
             when 'master'
               doc.customerReference(level_2_data[:customer_code]) if level_2_data[:customer_code]
               doc.salesTax(level_2_data[:total_tax_amount]) if level_2_data[:total_tax_amount]
+              doc.taxExempt(true) if level_2_data[:total_tax_amount] == 0
               doc.detailTax do
                 doc.taxIncludedInTotal(level_2_data[:tax_included_in_total]) if level_2_data[:tax_included_in_total]
                 doc.taxAmount(level_2_data[:tax_amount]) if level_2_data[:tax_amount]
@@ -91,6 +93,7 @@ def add_level_three_information_tags_visa(doc, payment_method, level_3_data)
       def add_level_three_information_tags_master(doc, payment_method, level_3_data)
         doc.customerReference :customerReference, level_3_data[:customer_code] if level_3_data[:customer_code]
         doc.salesTax(level_3_data[:total_tax_amount]) if level_3_data[:total_tax_amount]
+        doc.taxExempt(true) if level_3_data[:total_tax_amount] == 0
         doc.detailTax do
           doc.taxIncludedInTotal(level_3_data[:tax_included_in_total]) if level_3_data[:tax_included_in_total]
           doc.taxAmount(level_3_data[:tax_amount]) if level_3_data[:tax_amount]
@@ -119,6 +122,7 @@ def add_line_item_information_for_level_three_visa(doc, payment_method, level_3_
             doc.taxAmount(line_item[:tax_amount]) if line_item[:tax_amount]
             doc.itemDiscountAmount(line_item[:discount_per_line_item]) unless line_item[:discount_per_line_item] < 0
             doc.unitCost(line_item[:unit_cost]) unless line_item[:unit_cost] < 0
+            doc.lineItemTotal(line_item[:line_item_total]) if line_item[:line_item_total]
             doc.detailTax do
               doc.taxIncludedInTotal(line_item[:tax_included_in_total]) if line_item[:tax_included_in_total]
               doc.taxAmount(line_item[:tax_amount]) if line_item[:tax_amount]

test/unit/gateways/litle_test.rb

@@ -181,6 +181,103 @@ def test_passing_merchant_data
     end.respond_with(successful_purchase_response)
   end
 
+  def test_passing_level_2_data_with_sales_tax_0_for_visa
+    options = @options.merge(
+      level_2_data: {
+        sales_tax: 0
+      }
+    )
+    stub_comms do
+      @gateway.purchase(@amount, @decrypted_apple_pay, options)
+    end.check_request do |_endpoint, data, _headers|
+      assert_match(%r(<taxExempt>true</taxExempt>), data)
+      assert_match(%r(<salesTax>0</salesTax>), data)
+    end.respond_with(successful_purchase_response)
+  end
+
+  def test_passing_level_2_data_with_sales_tax_0_for_mastercard
+    options = @options.merge(
+      level_2_data: {
+        total_tax_amount: 0
+      }
+    )
+    credit_card = CreditCard.new(
+      first_name: 'John',
+      last_name: 'Smith',
+      month: '01',
+      year: '2024',
+      brand: 'master',
+      number: '5555555555554444',
+      verification_value: '349'
+    )
+    stub_comms do
+      @gateway.purchase(@amount, credit_card, options)
+    end.check_request do |_endpoint, data, _headers|
+      assert_match(%r(<taxExempt>true</taxExempt>), data)
+      assert_match(%r(<salesTax>0</salesTax>), data)
+    end.respond_with(successful_purchase_response)
+  end
+
+  def test_passing_level_3_data_for_mastercard
+    options = @options.merge(
+      level_3_data: {
+        total_tax_amount: 0,
+        line_items: [{
+          product_code: 'test',
+          item_description: 'Legal services',
+          quantity: 1,
+          unit_of_measure: 'EA',
+          line_item_total: 500
+        }]
+      }
+    )
+    credit_card = CreditCard.new(
+      first_name: 'John',
+      last_name: 'Smith',
+      month: '01',
+      year: '2024',
+      brand: 'master',
+      number: '5555555555554444',
+      verification_value: '349'
+    )
+    stub_comms do
+      @gateway.purchase(@amount, credit_card, options)
+    end.check_request do |_endpoint, data, _headers|
+      assert_match(%r(<taxExempt>true</taxExempt>), data)
+      assert_match(%r(<salesTax>0</salesTax>), data)
+      assert_match(%r(<quantity>1</quantity>), data)
+    end.respond_with(successful_purchase_response)
+  end
+
+  def test_passing_level_3_data_for_visa
+    options = @options.merge(
+      level_3_data: {
+        discount_amount: 0,
+        shipping_amount: 0,
+        duty_amount: 0,
+        total_tax_amount: 0,
+        line_items: [{
+          item_sequence_number: 1,
+          commodity_code: 'Comm',
+          product_code: 'test',
+          item_description: 'Legal services',
+          quantity: 1,
+          unit_of_measure: 'EA',
+          discount_per_line_item: 0,
+          unit_cost: 500,
+          line_item_total: 500
+        }]
+      }
+    )
+    stub_comms do
+      @gateway.purchase(@amount, @decrypted_apple_pay, options)
+    end.check_request do |_endpoint, data, _headers|
+      assert_match(%r(<quantity>1</quantity>), data)
+      assert_match(%r(<commodityCode>Comm</commodityCode>), data)
+      assert_match(%r(<itemSequenceNumber>1</itemSequenceNumber>), data)
+    end.respond_with(successful_purchase_response)
+  end
+
   def test_passing_litle_token
     stub_comms do
       @gateway.purchase(@amount, '121212121212', month: '01', year: '20', name: 'Jason Voorhees')