fix: adds tests for segment

packages/medusa-plugin-segment/src/services/__tests__/segment.js

@@ -0,0 +1,188 @@
+import SegmentService from "../segment"
+
+jest.mock("analytics-node")
+
+const orderFactory = (config = {}) => {
+  return {
+    id: "12355",
+    display_id: "1234",
+    cart_id: "cart_13",
+    region_id: "reg_123",
+    items: [
+      {
+        title: "Test",
+        variant: {
+          product_id: "prod_123",
+          sku: "TEST",
+        },
+        unit_price: 1100,
+        quantity: 2,
+      },
+    ],
+    shipping_methods: [
+      {
+        name: "standard",
+        price: 12399,
+      },
+    ],
+    payments: [
+      {
+        id: "123",
+      },
+    ],
+    tax_rate: 23.1,
+    currency_code: "DKK",
+    discounts: [],
+    shipping_address: {
+      first_name: "Test",
+      last_name: "Testson",
+      address_1: "Test",
+      address_2: "TEst",
+      postal_code: "1234",
+      country_code: "DK",
+      phone: "12345678",
+    },
+    email: "test@example.com",
+    subtotal: 2200,
+    total: 12399,
+    tax_total: 0,
+    shipping_total: 12399,
+    discount_total: 0,
+    gift_card_total: 0,
+    ...config,
+  }
+}
+
+describe("SegmentService", () => {
+  const ProductService = {
+    retrieve: () =>
+      Promise.resolve({
+        collection: { title: "Collection" },
+        type: { value: "Type" },
+        subtitle: "Subtitle",
+      }),
+  }
+
+  const TotalsService = {
+    getLineItemRefund: (_, item) => {
+      return item.unit_price
+    },
+  }
+
+  describe("buildOrder", () => {
+    const segmentService = new SegmentService(
+      {
+        productService: ProductService,
+        totalsService: TotalsService,
+      },
+      { account: "test" }
+    )
+
+    segmentService.getReportingValue = async (_, v) => {
+      const num = v
+      return Promise.resolve(Number(Math.round(num + "e2") + "e-2"))
+    }
+
+    it("successfully builds sales order", async () => {
+      jest.clearAllMocks()
+
+      const order = orderFactory()
+      const segmentOrder = await segmentService.buildOrder(order)
+
+      expect(segmentOrder).toEqual({
+        checkout_id: "cart_13",
+        coupon: undefined,
+        currency: "DKK",
+        discount: 0,
+        email: "test@example.com",
+        order_id: "12355",
+        payment_provider: "",
+        products: [
+          {
+            category: "Collection",
+            name: "Test",
+            price: 4.47,
+            product_id: "prod_123",
+            quantity: 2,
+            reporting_revenue: 8.94,
+            sku: "",
+            subtitle: "Subtitle",
+            type: "Type",
+            variant: "TEST",
+          },
+        ],
+        region_id: "reg_123",
+        reporting_discount: 0,
+        reporting_revenue: 123.99,
+        reporting_shipping: 123.99,
+        reporting_subtotal: 22,
+        reporting_tax: 0,
+        reporting_total: 123.99,
+        revenue: 123.99,
+        shipping: 123.99,
+        shipping_city: undefined,
+        shipping_country: "DK",
+        shipping_methods: [
+          {
+            name: "standard",
+            price: 12399,
+          },
+        ],
+        subtotal: 22,
+        tax: 0,
+        total: 123.99,
+      })
+    })
+
+    it("successfully builds order with zero decimal currency", async () => {
+      jest.clearAllMocks()
+
+      const order = orderFactory({ currency_code: "krw" })
+      const segmentOrder = await segmentService.buildOrder(order)
+
+      expect(segmentOrder).toEqual({
+        checkout_id: "cart_13",
+        coupon: undefined,
+        currency: "KRW",
+        discount: 0,
+        email: "test@example.com",
+        order_id: "12355",
+        payment_provider: "",
+        products: [
+          {
+            category: "Collection",
+            name: "Test",
+            price: 446.79,
+            product_id: "prod_123",
+            quantity: 2,
+            reporting_revenue: 893.58,
+            sku: "",
+            subtitle: "Subtitle",
+            type: "Type",
+            variant: "TEST",
+          },
+        ],
+        region_id: "reg_123",
+        reporting_discount: 0,
+        reporting_revenue: 12399,
+        reporting_shipping: 12399,
+        reporting_subtotal: 2200,
+        reporting_tax: 0,
+        reporting_total: 12399,
+        revenue: 12399,
+        shipping: 12399,
+        shipping_city: undefined,
+        shipping_country: "DK",
+        shipping_methods: [
+          {
+            name: "standard",
+            price: 12399,
+          },
+        ],
+        subtotal: 2200,
+        tax: 0,
+        total: 12399,
+      })
+    })
+  })
+})

packages/medusa-plugin-segment/src/services/segment.js

@@ -44,7 +44,7 @@ class SegmentService extends BaseService {
       "EUR"
 
     if (fromCurrency === toCurrency) {
-      return this.totalsService_.rounded(value)
+      return this.rounded_(value)
     }
 
     const exchangeRate = await axios
@@ -55,9 +55,7 @@ class SegmentService extends BaseService {
         return data.rates[fromCurrency]
       })
 
-    // Two decimal places
-    const num = value / exchangeRate
-    return Number(Math.round(num + "e2") + "e-2")
+    return this.rounded_(value / exchangeRate)
   }
 
   async buildOrder(order) {
@@ -146,7 +144,9 @@ class SegmentService extends BaseService {
           return {
             name,
             variant,
-            price: humanizeAmount(lineTotal, curr) / item.quantity,
+            price: this.rounded_(
+              humanizeAmount(lineTotal, curr) / item.quantity
+            ),
             reporting_revenue: revenue,
             product_id: item.variant.product_id,
             category: product.collection?.title,
@@ -161,6 +161,10 @@ class SegmentService extends BaseService {
 
     return orderData
   }
+
+  rounded_(v) {
+    return Number(Math.round(v + "e2") + "e-2")
+  }
 }
 
 export default SegmentService