Add test for PlatformUser class

test/classes/mapping/platform-user.ts

@@ -0,0 +1,34 @@
+"use strict";
+
+// Public module from npm
+import chai from "chai";
+import chaiAsPromised from "chai-as-promised";
+import { INVALID_USER_ID, USER_NOT_LOGGED } from "../../../src/scripts/classes/errors";
+
+// Module from files
+import { auth } from "../../helpers";
+import PlatformUser from "../../../src/scripts/classes/mapping/platform-user";
+import { logout } from "../../../src";
+
+chai.use(chaiAsPromised);
+const { expect } = chai;
+
+export function suite(): void {
+  it("Fetch platform user without ID", async function fetchWithoutID() {
+    await auth();
+    const user = new PlatformUser();
+    await expect(user.fetch()).to.be.rejectedWith(INVALID_USER_ID);
+  });
+
+  it("Fetch platform user with invalid ID", async function fetchWithInvalidID() {
+    await auth();
+    const user = new PlatformUser(-1);
+    await expect(user.fetch()).to.be.rejectedWith(INVALID_USER_ID);
+  });
+
+  it("Fetch platform user without authentication", async function fetchWithoutAuth() {
+    await logout();
+    const user = new PlatformUser(1234);
+    await expect(user.fetch()).to.be.rejectedWith(USER_NOT_LOGGED);
+  });
+}