3 files changed, 14 insertions, 0 deletions
diff --git a/lib/super_good/solidus_taxjar.rb b/lib/super_good/solidus_taxjar.rb
index f525ee7..82f9500 100644
--- a/lib/super_good/solidus_taxjar.rb
+++ b/lib/super_good/solidus_taxjar.rb
@@ -11,8 +11,10 @@ module SuperGood
   module SolidusTaxJar
     class << self
       attr_accessor :discount_calculator
+      attr_accessor :test_mode
     end
 
     self.discount_calculator = ::SuperGood::SolidusTaxJar::DiscountCalculator
+    self.test_mode = false
   end
 end
diff --git a/lib/super_good/solidus_taxjar/tax_calculator.rb b/lib/super_good/solidus_taxjar/tax_calculator.rb
index 54aace4..a521f0d 100644
--- a/lib/super_good/solidus_taxjar/tax_calculator.rb
+++ b/lib/super_good/solidus_taxjar/tax_calculator.rb
@@ -16,6 +16,7 @@ module SuperGood
       end
 
       def calculate
+        return no_tax if SuperGood::SolidusTaxJar.test_mode
         return no_tax if order.tax_address.empty? || order.line_items.none?
 
         cache do
diff --git a/spec/super_good/solidus_taxjar/tax_calculator_spec.rb b/spec/super_good/solidus_taxjar/tax_calculator_spec.rb
index b537bfc..84f9664 100644
--- a/spec/super_good/solidus_taxjar/tax_calculator_spec.rb
+++ b/spec/super_good/solidus_taxjar/tax_calculator_spec.rb
@@ -203,6 +203,17 @@ RSpec.describe ::SuperGood::SolidusTaxJar::TaxCalculator do
             end
           end
         end
+
+        context "when test_mode is set" do
+          before { SuperGood::SolidusTaxJar.test_mode = true }
+          after { SuperGood::SolidusTaxJar.test_mode = false }
+
+          it "returns no taxes" do
+            expect(subject.order_id).to eq order.id
+            expect(subject.shipment_taxes).to be_empty
+            expect(subject.line_item_taxes).to be_empty
+          end
+        end
       end
 
       context "and there is not a breakdown" do