Add SolidusTaxJar::APIParams.tax_rate_address_params

This helper converts a `Spree::Address` to address params that can be
used to retrieve the tax rate for that location.

2 files changed, 25 insertions, 0 deletions

diff --git a/lib/super_good/solidus_taxjar/api_params.rb b/lib/super_good/solidus_taxjar/api_params.rb
index b8ef896..3e5bcb4 100644
--- a/lib/super_good/solidus_taxjar/api_params.rb
+++ b/lib/super_good/solidus_taxjar/api_params.rb
@@ -29,6 +29,13 @@ module SuperGood
           ]
         end
 
+        def tax_rate_address_params(address)
+          {
+            amount: 100,
+            shipping: 0,
+          }.merge(order_address_params(address))
+        end
+
         def transaction_params(order)
           {}
             .merge(customer_params(order))
diff --git a/spec/super_good/solidus_taxjar/api_params_spec.rb b/spec/super_good/solidus_taxjar/api_params_spec.rb
index 3a55655..e0a8766 100644
--- a/spec/super_good/solidus_taxjar/api_params_spec.rb
+++ b/spec/super_good/solidus_taxjar/api_params_spec.rb
@@ -183,6 +183,24 @@ RSpec.describe SuperGood::SolidusTaxJar::APIParams do
     end
   end
 
+  describe "#tax_rate_address_params" do
+    subject { described_class.tax_rate_address_params(ship_address) }
+
+    it "returns params for fetching the tax rate for that address" do
+      expect(subject).to eq(
+        {
+          amount: 100,
+          shipping: 0,
+          to_city: "Los Angeles",
+          to_country: "US",
+          to_state: "CA",
+          to_street: "475 N Beverly Dr",
+          to_zip: "90210"
+        }
+      )
+    end
+  end
+
   describe "#transaction_params" do
     subject { described_class.transaction_params(order) }