Merge pull request #1073 from medusajs/feat/get-customer-group

feat: get customer group

integration-tests/api/__tests__/admin/customer-groups.js

@@ -85,4 +85,88 @@ describe("/admin/customer-groups", () => {
         })
     })
   })
+
+  describe("GET /admin/customer-groups", () => {
+    beforeEach(async () => {
+      try {
+        await adminSeeder(dbConnection)
+        await customerSeeder(dbConnection)
+      } catch (err) {
+        console.log(err)
+        throw err
+      }
+    })
+
+    afterEach(async () => {
+      const db = useDb()
+      await db.teardown()
+    })
+
+    it("gets customer group", async () => {
+      const api = useApi()
+
+      const id = "customer-group-1"
+
+      const response = await api.get(`/admin/customer-groups/${id}`, {
+        headers: {
+          Authorization: "Bearer test_token",
+        },
+      })
+
+      expect(response.status).toEqual(200)
+      expect(response.data.customerGroup).toEqual(
+        expect.objectContaining({
+          id: "customer-group-1",
+          name: "vip-customers",
+        })
+      )
+      expect(response.data.customerGroup).not.toHaveProperty("customers")
+    })
+
+    it("gets customer group with `customers` prop", async () => {
+      const api = useApi()
+
+      const id = "customer-group-1"
+
+      const response = await api.get(
+        `/admin/customer-groups/${id}?expand=customers`,
+        {
+          headers: {
+            Authorization: "Bearer test_token",
+          },
+        }
+      )
+
+      expect(response.status).toEqual(200)
+      expect(response.data.customerGroup).toEqual(
+        expect.objectContaining({
+          id: "customer-group-1",
+          name: "vip-customers",
+        })
+      )
+      expect(response.data.customerGroup.customers).toEqual([])
+    })
+
+    it("throws error when a customer group doesn't exist", async () => {
+      expect.assertions(3)
+
+      const api = useApi()
+
+      const id = "test-group-000"
+
+      await api
+        .get(`/admin/customer-groups/${id}`, {
+          headers: {
+            Authorization: "Bearer test_token",
+          },
+        })
+        .catch((err) => {
+          expect(err.response.status).toEqual(404)
+          expect(err.response.data.type).toEqual("not_found")
+          expect(err.response.data.message).toEqual(
+            `CustomerGroup with ${id} was not found`
+          )
+        })
+    })
+  })
 })