DEVORTEX-5439 add webhooks api

Author: steplov

api/webhooks/smartling-webhooks-api.ts

@@ -139,7 +139,7 @@ export class SmartlingWebhooksApi extends SmartlingBaseApi {
 
     // getSubscriptionEventAttempts() {}
 
-    getAvailableEventTypes(accountUid: string): Promise<WebhookEventTypeDto> {
+    getAvailableEventTypes(accountUid: string): Promise<WebhookEventTypeDto[]> {
         return this.makeRequest(
             "get",
             `${this.entrypoint}/accounts/${accountUid}/available-event-types`

test/webhooks.spec.ts

@@ -457,4 +457,22 @@ describe("SmartlingWebhooksApi class tests.", () => {
             }
         );
     });
+
+    it("gets available event types", async () => {
+        await webhooksApi.getAvailableEventTypes(accountUid);
+
+        sinon.assert.calledOnce(webhooksApiFetchStub);
+        sinon.assert.calledWithExactly(
+            webhooksApiFetchStub,
+            `https://test.com/webhooks-api/v2/accounts/${accountUid}/available-event-types`,
+            {
+                headers: {
+                    Authorization: "test_token_type test_access_token",
+                    "Content-Type": "application/json",
+                    "User-Agent": "test_user_agent"
+                },
+                method: "get"
+            }
+        );
+    });
 });