[PM-20134] Fix overwriteExisting and largeImport causing users to be deleted (#737)

* Fix mixed up bools, use whole object

* disallow overwriteExisting on large syncs

* remove unused file

* add test, always set overwriteExisting to false for batched requests

* add more tests

* wip

* Clean up

---------

Co-authored-by: Thomas Rittson <trittson@bitwarden.com>

src/services/single-request-builder.spec.ts

@@ -0,0 +1,79 @@
+import { GetUniqueString } from "@/jslib/common/spec/utils";
+
+import { UserEntry } from "@/src/models/userEntry";
+
+import { RequestBuilderOptions } from "../abstractions/request-builder.service";
+import { groupSimulator, userSimulator } from "../utils/request-builder-helper";
+
+import { SingleRequestBuilder } from "./single-request-builder";
+
+describe("SingleRequestBuilder", () => {
+  let singleRequestBuilder: SingleRequestBuilder;
+
+  beforeEach(async () => {
+    singleRequestBuilder = new SingleRequestBuilder();
+  });
+
+  const defaultOptions: RequestBuilderOptions = Object.freeze({
+    overwriteExisting: false,
+    removeDisabled: false,
+  });
+
+  it("SingleRequestBuilder returns single request for 200 users", () => {
+    const mockGroups = groupSimulator(200);
+    const mockUsers = userSimulator(200);
+
+    const requests = singleRequestBuilder.buildRequest(mockGroups, mockUsers, defaultOptions);
+
+    expect(requests.length).toEqual(1);
+  });
+
+  it("SingleRequestBuilder returns request with overwriteExisting enabled", () => {
+    const mockGroups = groupSimulator(200);
+    const mockUsers = userSimulator(200);
+
+    const options = { ...defaultOptions, overwriteExisting: true };
+    const request = singleRequestBuilder.buildRequest(mockGroups, mockUsers, options)[0];
+
+    expect(request.overwriteExisting).toBe(true);
+  });
+
+  it("SingleRequestBuilder returns request with deleted user when removeDisabled is true", () => {
+    const mockGroups = groupSimulator(200);
+    const mockUsers = userSimulator(200);
+
+    const disabledUser = new UserEntry();
+    const disabledUserEmail = GetUniqueString() + "@example.com";
+    disabledUser.disabled = true;
+    disabledUser.email = disabledUserEmail;
+    mockUsers.push(disabledUser);
+
+    const options = { ...defaultOptions, removeDisabled: true };
+    const request = singleRequestBuilder.buildRequest(mockGroups, mockUsers, options)[0];
+
+    expect(request.members.length).toEqual(201);
+    expect(request.members.pop()).toEqual(
+      expect.objectContaining({ email: disabledUserEmail, deleted: true }),
+    );
+    expect(request.overwriteExisting).toBe(false);
+  });
+
+  it("SingleRequestBuilder returns request with deleted user and overwriteExisting enabled when overwriteExisting and removeDisabled are true", () => {
+    const mockGroups = groupSimulator(200);
+    const mockUsers = userSimulator(200);
+
+    const disabledUser = new UserEntry();
+    const disabledUserEmail = GetUniqueString() + "@example.com";
+    disabledUser.disabled = true;
+    disabledUser.email = disabledUserEmail;
+    mockUsers.push(disabledUser);
+
+    const options = { overwriteExisting: true, removeDisabled: true };
+    const request = singleRequestBuilder.buildRequest(mockGroups, mockUsers, options)[0];
+
+    expect(request.members.pop()).toEqual(
+      expect.objectContaining({ email: disabledUserEmail, deleted: true }),
+    );
+    expect(request.overwriteExisting).toBe(true);
+  });
+});