import { SymmetricCryptoKey } from "@bitwarden/common/models/domain/symmetricCryptoKey"; import { AttachmentView } from "@bitwarden/common/models/view/attachmentView"; jest.mock("@bitwarden/common/models/domain/symmetricCryptoKey"); describe("AttachmentView", () => { it("fromJSON initializes nested objects", () => { const mockFromJson = (stub: string) => stub + "_fromJSON"; jest.spyOn(SymmetricCryptoKey, "fromJSON").mockImplementation(mockFromJson as any); const actual = AttachmentView.fromJSON({ key: "encKeyB64" as any, }); expect(actual.key).toEqual("encKeyB64_fromJSON"); }); });