feat: Plug tax inclusivity in cart and order workflows (#8013)

integration-tests/modules/__tests__/order/draft-order.spec.ts

@@ -132,6 +132,16 @@ medusaIntegrationTestRunner({
           },
         ])
 
+        await api.post(
+          "/admin/price-preferences",
+          {
+            attribute: "currency_code",
+            value: "usd",
+            is_tax_inclusive: true,
+          },
+          adminHeaders
+        )
+
         await remoteLink.create([
           {
             [Modules.PRODUCT]: {
@@ -252,7 +262,7 @@ medusaIntegrationTestRunner({
                   variant_option_values: null,
                   requires_shipping: true,
                   is_discountable: true,
-                  is_tax_inclusive: false,
+                  is_tax_inclusive: true,
                   raw_compare_at_unit_price: null,
                   raw_unit_price: expect.objectContaining({
                     value: "3000",
@@ -306,6 +316,7 @@ medusaIntegrationTestRunner({
                     note: "reduced price",
                   },
                   unit_price: 200,
+                  is_tax_inclusive: true,
                   quantity: 1,
                   raw_quantity: expect.objectContaining({
                     value: "1",

integration-tests/modules/__tests__/order/workflows/create-return.spec.ts

@@ -40,6 +40,7 @@ async function prepareDataFixtures({ container }) {
     ModuleRegistrationName.STOCK_LOCATION
   )
   const productModule = container.resolve(ModuleRegistrationName.PRODUCT)
+  const pricingModule = container.resolve(ModuleRegistrationName.PRICING)
   const inventoryModule = container.resolve(ModuleRegistrationName.INVENTORY)
 
   const shippingProfile = await fulfillmentService.createShippingProfiles({
@@ -145,6 +146,19 @@ async function prepareDataFixtures({ container }) {
     },
   ])
 
+  await pricingModule.createPricePreferences([
+    {
+      attribute: "currency_code",
+      value: "usd",
+      is_tax_inclusive: true,
+    },
+    {
+      attribute: "region_id",
+      value: region.id,
+      is_tax_inclusive: true,
+    },
+  ])
+
   const shippingOptionData: FulfillmentWorkflow.CreateShippingOptionsWorkflowInput =
     {
       name: "Return shipping option",
@@ -471,7 +485,7 @@ medusaIntegrationTestRunner({
                 id: expect.any(String),
                 name: shippingOption.name,
                 description: null,
-                is_tax_inclusive: false,
+                is_tax_inclusive: true,
                 shipping_option_id: shippingOption.id,
                 amount: 10,
                 order_id: expect.any(String),