Add ability to fetch address possibilities

2 files changed, 162 insertions, 2 deletions

diff --git a/lib/super_good/solidus_taxjar/addresses.rb b/lib/super_good/solidus_taxjar/addresses.rb
index 8103269..0993a03 100644
--- a/lib/super_good/solidus_taxjar/addresses.rb
+++ b/lib/super_good/solidus_taxjar/addresses.rb
@@ -5,6 +5,10 @@ module SuperGood
         def normalize(spree_address)
           new.normalize(spree_address)
         end
+
+        def possibilities(spree_address)
+          new.possibilities(spree_address)
+        end
       end
 
       def initialize(api: ::SuperGood::SolidusTaxJar.api)
@@ -12,7 +16,7 @@ module SuperGood
       end
 
       def normalize(spree_address)
-        taxjar_address = api.validate_spree_address(spree_address).first
+        taxjar_address = taxjar_addresses(spree_address).first
 
         return if taxjar_address.nil?
 
@@ -25,10 +29,26 @@ module SuperGood
         })
       end
 
+      def possibilities(spree_address)
+        taxjar_addresses(spree_address).map { |taxjar_address|
+          Spree::Address.immutable_merge(spree_address, {
+            country: us, # TaxJar only supports the US currently.
+            state: state(taxjar_address.state),
+            zipcode: taxjar_address.zip,
+            city: taxjar_address.city,
+            address1: taxjar_address.street
+          })
+        }
+      end
+
       private
 
       attr_reader :api
 
+      def taxjar_addresses(spree_address)
+        api.validate_spree_address(spree_address)
+      end
+
       def us
         Spree::Country.find_by iso: "US"
       end
diff --git a/spec/super_good/solidus_taxjar/addresses_spec.rb b/spec/super_good/solidus_taxjar/addresses_spec.rb
index b0c0c76..a5042d1 100644
--- a/spec/super_good/solidus_taxjar/addresses_spec.rb
+++ b/spec/super_good/solidus_taxjar/addresses_spec.rb
@@ -104,7 +104,7 @@ RSpec.describe SuperGood::SolidusTaxJar::Addresses do
         ]
       }
 
-      it "uses the first result to sanitize the addrses" do
+      it "uses the first result to sanitize the addresses" do
         expect(subject).to eq(
           build(
             :address,
@@ -121,4 +121,144 @@ RSpec.describe SuperGood::SolidusTaxJar::Addresses do
       end
     end
   end
+
+  describe "#normalize" do
+    subject { described_class.new(api: dummy_api).possibilities(spree_address) }
+
+    let(:spree_address) {
+      create(
+        :address,
+        address1: "475 North Beverly Drive",
+        city: "Los Angeles",
+        country: country_us,
+        first_name: "Chuck",
+        last_name: "Schuldiner",
+        phone: "1-250-555-4444",
+        state: state_california,
+        zipcode: "90210"
+      )
+    }
+
+    let(:country_us) {
+      Spree::Country.create!(
+        iso3: "USA",
+        iso: "US",
+        iso_name: "UNITED STATES",
+        name: "United States",
+        numcode: 840,
+        states_required: true
+      )
+    }
+
+    let(:state_california) {
+      Spree::State.create!(
+        abbr: "CA",
+        country: country_us,
+        name: "California"
+      )
+    }
+
+    let(:dummy_api) {
+      instance_double ::SuperGood::SolidusTaxJar::API
+    }
+
+    before do
+      allow(dummy_api)
+        .to receive(:validate_spree_address)
+        .with(spree_address)
+        .and_return(results)
+    end
+
+    context "when there are no possibilities for the address" do
+      let(:results) { [] }
+
+      it { is_expected.to be_empty }
+    end
+
+    context "when there is one possibility for the address" do
+      let(:results) {
+        [
+          Taxjar::Address.new(
+            country: "US",
+            state: "CA",
+            zip: "90210-4606",
+            city: "Beverly Hills",
+            street: "475 N Beverly Dr"
+          )
+        ]
+      }
+
+      it "returns the possibilities" do
+        expect(subject).to eq([
+          build(
+            :address,
+            address1: "475 N Beverly Dr",
+            city: "Beverly Hills",
+            country: country_us,
+            first_name: "Chuck",
+            last_name: "Schuldiner",
+            phone: "1-250-555-4444",
+            state: state_california,
+            zipcode: "90210-4606"
+          )
+        ])
+      end
+    end
+
+    context "when there are multiple possibilities for the address" do
+      let(:results) {
+        [
+          Taxjar::Address.new(
+            country: "US",
+            state: "CA",
+            zip: "90210-4606",
+            city: "Beverly Hills",
+            street: "475 N Beverly Dr"
+          ),
+          Taxjar::Address.new(
+            country: "US",
+            state: "AZ",
+            zip: "90213-1234",
+            city: "Phoenix",
+            street: "473 N Beverly Dr"
+          )
+        ]
+      }
+
+      let!(:state_arizona) {
+        Spree::State.create!(
+          abbr: "AZ",
+          country: country_us,
+          name: "Arizona"
+        )
+      }
+
+      it "returns all the possibilities" do
+        expect(subject).to eq([
+          build(
+            :address,
+            address1: "475 N Beverly Dr",
+            city: "Beverly Hills",
+            country: country_us,
+            first_name: "Chuck",
+            last_name: "Schuldiner",
+            phone: "1-250-555-4444",
+            state: state_california,
+            zipcode: "90210-4606"
+          ),
+          build(
+            :address,
+            address1: "473 N Beverly Dr",
+            city: "Phoenix",
+            country: country_us,
+            first_name: "Chuck",
+            last_name: "Schuldiner",
+            phone: "1-250-555-4444",
+            state: state_arizona,
+            zipcode: "90213-1234"
+          )
+        ])
+      end
+    end
+  end
 end