Set default throughput based on account's workload type (#2021)

* assign default throughput based on workload type

* combined common logic

* fix unit tests

* add tests

* update tests

* npm run format

* Update ci.yml

---------

Co-authored-by: Asier Isayas <aisayas@microsoft.com>

src/Common/DatabaseAccountUtility.test.ts

@@ -0,0 +1,34 @@
+import { WorkloadType } from "Common/Constants";
+import { getWorkloadType } from "Common/DatabaseAccountUtility";
+import { DatabaseAccount, Tags } from "Contracts/DataModels";
+import { updateUserContext } from "UserContext";
+
+describe("Database Account Utility", () => {
+  describe("Workload Type", () => {
+    beforeEach(() => {
+      updateUserContext({
+        databaseAccount: {
+          tags: {} as Tags,
+        } as DatabaseAccount,
+      });
+    });
+
+    it("Workload Type should return Learning", () => {
+      updateUserContext({
+        databaseAccount: {
+          tags: {
+            "hidden-workload-type": WorkloadType.Learning,
+          } as Tags,
+        } as DatabaseAccount,
+      });
+
+      const workloadType: WorkloadType = getWorkloadType();
+      expect(workloadType).toBe(WorkloadType.Learning);
+    });
+
+    it("Workload Type should return None", () => {
+      const workloadType: WorkloadType = getWorkloadType();
+      expect(workloadType).toBe(WorkloadType.None);
+    });
+  });
+});