add test for the decoder

utils/__tests__/notificationhubServicePartition.test.ts

@@ -1,9 +1,11 @@
+import * as E from "fp-ts/lib/Either";
 import { NonEmptyString } from "@pagopa/ts-commons/lib/strings";
 import {
   getNHLegacyConfig,
   getNotificationHubPartitionConfig,
   testShaForPartitionRegex
 } from "../notificationhubServicePartition";
+import { NHClientError } from "../notification";
 
 import { envConfig } from "../../__mocks__/env-config.mock";
 import { InstallationId } from "../../generated/notifications/InstallationId";
@@ -19,6 +21,20 @@ describe("NotificationHubServicepartition", () => {
   });
 });
 
+describe("NHClientError", () => {
+  it("should decode a 404 as right", () => {
+    expect(
+      E.isRight(NHClientError.decode({ statusCode: 404, message: "foo" }))
+    ).toBe(true);
+  });
+
+  it("should decode a 401 as left", () => {
+    expect(
+      E.isLeft(NHClientError.decode({ statusCode: 401, message: "foo" }))
+    ).toBe(true);
+  });
+});
+
 describe("Partition Regex", () => {
   it("should return true if sha is in partition 0 [0-3]", () => {
     const aValidInstallationId = "03b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" as InstallationId;

utils/notification.ts

@@ -64,7 +64,7 @@ const validateInstallation = (
     ? TE.of(installation)
     : TE.left(new Error("Invalid installation"));
 
-const NHClientError = t.type({
+export const NHClientError = t.type({
   statusCode: t.literal(404)
 });